diff --git a/app/jobs/samples/batch_sample_import_job.rb b/app/jobs/samples/batch_sample_import_job.rb
new file mode 100644
index 0000000000..979aa5c3ac
--- /dev/null
+++ b/app/jobs/samples/batch_sample_import_job.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+module Samples
+  # Job used to import metadata for samples
+  class BatchSampleImportJob < ApplicationJob
+    queue_as :default
+
+    def perform(namespace, current_user, broadcast_target, blob_id, params) # rubocop:disable Lint/UnusedMethodArgument
+      ::Samples::BatchFileImportService.new(namespace, current_user, blob_id, params).execute
+
+      # TODO: change all these from metadata to batch sample
+      # if namespace.errors.empty?
+      #   Turbo::StreamsChannel.broadcast_replace_to(
+      #     broadcast_target,
+      #     target: 'import_metadata_dialog_content',
+      #     partial: 'shared/samples/metadata/file_imports/success',
+      #     locals: {
+      #       type: :success,
+      #       message: I18n.t('shared.samples.metadata.file_imports.success.description')
+      #     }
+      #   )
+
+      # elsif namespace.errors.include?(:sample)
+      #   errors = namespace.errors.messages_for(:sample)
+
+      #   Turbo::StreamsChannel.broadcast_replace_to(
+      #     broadcast_target,
+      #     target: 'import_metadata_dialog_content',
+      #     partial: 'shared/samples/metadata/file_imports/errors',
+      #     locals: {
+      #       type: :alert,
+      #       message: I18n.t('shared.samples.metadata.file_imports.errors.description'),
+      #       errors: errors
+      #     }
+      #   )
+      # else
+      #   errors = namespace.errors.full_messages_for(:base)
+
+      #   Turbo::StreamsChannel.broadcast_replace_to(
+      #     broadcast_target,
+      #     target: 'import_metadata_dialog_content',
+      #     partial: 'shared/samples/metadata/file_imports/errors',
+      #     locals: {
+      #       type: :alert,
+      #       errors: errors
+      #     }
+      #   )
+      # end
+    end
+  end
+end
diff --git a/app/services/base_spreadsheet_import_service.rb b/app/services/base_spreadsheet_import_service.rb
new file mode 100644
index 0000000000..7686e007f6
--- /dev/null
+++ b/app/services/base_spreadsheet_import_service.rb
@@ -0,0 +1,95 @@
+# frozen_string_literal: true
+
+require 'roo'
+
+# Service base class for handling spreadsheet file imports
+class BaseSpreadsheetImportService < BaseService
+  FileImportError = Class.new(StandardError)
+
+  def initialize(namespace, user = nil, blob_id = nil, required_headers = [], minimum_additional_data_columns = 0, params = {}) # rubocop:disable Metrics/ParameterLists,Layout/LineLength
+    super(user, params)
+    @namespace = namespace
+    @file = ActiveStorage::Blob.find(blob_id)
+    @required_headers = required_headers
+    @minimum_additional_data_columns = minimum_additional_data_columns
+    @spreadsheet = nil
+    @headers = nil
+    @temp_import_file = Tempfile.new
+  end
+
+  def execute
+    raise NotImplementedError
+  end
+
+  protected
+
+  def validate_file
+    extension = validate_file_extension
+    download_batch_import_file(extension)
+
+    @headers = @spreadsheet.row(1).compact
+    validate_file_headers
+
+    validate_file_rows
+  end
+
+  def validate_file_extension
+    file_extension = File.extname(@file.filename.to_s).downcase
+
+    return file_extension if %w[.csv .tsv .xls .xlsx].include?(file_extension)
+
+    raise FileImportError, I18n.t('services.spreadsheet_import.invalid_file_extension')
+  end
+
+  def download_batch_import_file(extension)
+    begin
+      @temp_import_file.binmode
+      @file.download do |chunk|
+        @temp_import_file.write(chunk)
+      end
+    ensure
+      @temp_import_file.close
+    end
+    @spreadsheet = if extension.eql? '.tsv'
+                     Roo::Spreadsheet.open(@temp_import_file.path,
+                                           { extension: '.csv', csv_options: { col_sep: "\t" } })
+                   else
+                     Roo::Spreadsheet.open(@temp_import_file.path, extension:)
+                   end
+  end
+
+  def validate_file_headers
+    duplicate_headers = @headers.find_all { |header| @headers.count(header) > 1 }.uniq
+    unless duplicate_headers.empty?
+      raise FileImportError,
+            I18n.t('services.spreadsheet_import.duplicate_column_names')
+    end
+
+    missing_headers = @required_headers - @headers
+    unless missing_headers.empty?
+      raise FileImportError, I18n.t('services.spreadsheet_import.missing_header', header_title: missing_headers)
+    end
+
+    return unless @headers.count < (@required_headers.count + @minimum_additional_data_columns)
+
+    raise FileImportError, I18n.t('services.spreadsheet_import.missing_data_columns')
+  end
+
+  def validate_file_rows
+    # Should have at least 2 rows
+    first_row = @spreadsheet.row(2)
+    return unless first_row.compact.empty?
+
+    raise FileImportError, I18n.t('services.spreadsheet_import.missing_data_row')
+  end
+
+  def perform_file_import
+    raise NotImplementedError
+  end
+
+  def cleanup_files
+    # delete the blob and temporary file as we no longer require them
+    @file.purge
+    @temp_import_file.unlink
+  end
+end
diff --git a/app/services/samples/batch_file_import_service.rb b/app/services/samples/batch_file_import_service.rb
new file mode 100644
index 0000000000..41b9e0d0c1
--- /dev/null
+++ b/app/services/samples/batch_file_import_service.rb
@@ -0,0 +1,121 @@
+# frozen_string_literal: true
+
+require 'roo'
+
+module Samples
+  # Service used to batch create samples via a file
+  class BatchFileImportService < BaseSpreadsheetImportService
+    def initialize(namespace, user = nil, blob_id = nil, params = {})
+      @sample_name_column = params[:sample_name_column]
+      @project_puid_column = params[:project_puid_column]
+      @sample_description_column = params[:sample_description_column]
+      required_headers = [@sample_name_column, @project_puid_column]
+      super(namespace, user, blob_id, required_headers, 0, params)
+    end
+
+    def execute
+      authorize! @namespace, to: :update_sample_metadata?
+      validate_file
+      perform_file_import
+    rescue FileImportError => e
+      @namespace.errors.add(:base, e.message)
+      {}
+    end
+
+    protected
+
+    def perform_file_import # rubocop:disable Metrics/AbcSize,Metrics/MethodLength
+      response = {}
+      parse_settings = @headers.zip(@headers).to_h
+
+      @spreadsheet.each_with_index(parse_settings) do |data, index|
+        next unless index.positive?
+
+        # TODO: handle metadata headers
+
+        sample_name = data[@sample_name_column]
+        project_puid = data[@project_puid_column]
+        description = data[@sample_description_column]
+
+        error = errors_on_sample_row(sample_name, project_puid, response, index)
+        unless error.nil?
+          response["index #{index}"] = error
+          next
+        end
+
+        project = Namespaces::ProjectNamespace.find_by(puid: project_puid)&.project
+        error = errors_with_project(project_puid, project)
+        unless error.nil?
+          response[sample_name] = error
+          next
+        end
+
+        response[sample_name] = process_sample_row(sample_name, project, description)
+      end
+      cleanup_files
+      response
+    end
+
+    private
+
+    def accessible_from_namespace?(project)
+      if @namespace.project_namespace?
+        @namespace.id == project.namespace.id
+      elsif @namespace.group_namespace?
+        authorized_scope(Project, type: :relation, as: :group_projects, scope_options: {
+                           group: @namespace,
+                           minimum_access_level: Member::AccessLevel::UPLOADER
+                         }).where(id: project.id).count.positive?
+      else
+        false
+      end
+    end
+
+    def errors_on_sample_row(sample_name, project_puid, response, index)
+      if sample_name.nil? || project_puid.nil?
+        {
+          path: ['sample'],
+          message: I18n.t('services.spreadsheet_import.missing_field', index:)
+        }
+      elsif response.key?(sample_name)
+        {
+          path: ['sample'],
+          message: I18n.t('services.samples.batch_import.duplicate_sample_name', index:)
+        }
+      end
+    end
+
+    def errors_with_project(project_puid, project)
+      if project.nil?
+        {
+          path: ['project'],
+          message: I18n.t('services.samples.batch_import.project_puid_not_found', project_puid: project_puid)
+        }
+      elsif !accessible_from_namespace?(project)
+        {
+          path: ['project'],
+          message: I18n.t('services.samples.batch_import.project_puid_not_in_namespace',
+                          project_puid: project_puid,
+                          namespace: @namespace.full_path)
+        }
+      end
+    end
+
+    def process_sample_row(name, project, description)
+      # TODO: process metadata too
+      sample_params = { name:, description: }
+      sample = Samples::CreateService.new(current_user, project, sample_params).execute
+
+      if sample.persisted?
+        sample
+      else
+        sample.errors.map do |error|
+          {
+            path: ['sample', error.attribute.to_s.camelize(:lower)],
+            message: error.message
+          }
+        end
+      end
+    end
+  end
+end
diff --git a/app/services/samples/metadata/file_import_service.rb b/app/services/samples/metadata/file_import_service.rb
index a588720fb2..7e8e321950 100644
--- a/app/services/samples/metadata/file_import_service.rb
+++ b/app/services/samples/metadata/file_import_service.rb
@@ -5,110 +5,24 @@
 module Samples
   module Metadata
     # Service used to import sample metadata via a file
-    class FileImportService < BaseService # rubocop:disable Metrics/ClassLength
-      SampleMetadataFileImportError = Class.new(StandardError)
-
+    class FileImportService < BaseSpreadsheetImportService
       def initialize(namespace, user = nil, blob_id = nil, params = {})
-        super(user, params)
-        @namespace = namespace
-        @file = ActiveStorage::Blob.find(blob_id)
         @sample_id_column = params[:sample_id_column]
+        required_headers = [@sample_id_column]
         @ignore_empty_values = params[:ignore_empty_values]
-        @spreadsheet = nil
-        @headers = nil
-        @temp_import_file = Tempfile.new
+        super(namespace, user, blob_id, required_headers, 1, params)
       end
 
       def execute
         authorize! @namespace, to: :update_sample_metadata?
-
-        validate_sample_id_column
-
         validate_file
-
         perform_file_import
-      rescue Samples::Metadata::FileImportService::SampleMetadataFileImportError => e
+      rescue FileImportError => e
         @namespace.errors.add(:base, e.message)
         {}
       end
 
-      private
-
-      def validate_sample_id_column
-        return unless @sample_id_column.nil?
-
-        raise SampleMetadataFileImportError,
-              I18n.t('services.samples.metadata.import_file.empty_sample_id_column')
-      end
-
-      def validate_file_extension
-        file_extension = File.extname(@file.filename.to_s).downcase
-
-        return file_extension if %w[.csv .tsv .xls .xlsx].include?(file_extension)
-
-        raise SampleMetadataFileImportError,
-              I18n.t('services.samples.metadata.import_file.invalid_file_extension')
-      end
-
-      def validate_file_headers
-        duplicate_headers = @headers.find_all { |header| @headers.count(header) > 1 }.uniq
-        unless duplicate_headers.empty?
-          raise SampleMetadataFileImportError,
-                I18n.t('services.samples.metadata.import_file.duplicate_column_names')
-        end
-
-        unless @headers.include?(@sample_id_column)
-          raise SampleMetadataFileImportError,
-                I18n.t('services.samples.metadata.import_file.missing_sample_id_column')
-        end
-
-        return if @headers.count { |header| header != @sample_id_column }.positive?
-
-        raise SampleMetadataFileImportError,
-              I18n.t('services.samples.metadata.import_file.missing_metadata_column')
-      end
-
-      def validate_file_rows
-        first_row = @spreadsheet.row(2)
-        return unless first_row.compact.empty?
-
-        raise SampleMetadataFileImportError,
-              I18n.t('services.samples.metadata.import_file.missing_metadata_row')
-      end
-
-      def validate_file
-        if @file.nil?
-          raise SampleMetadataFileImportError,
-                I18n.t('services.samples.metadata.import_file.empty_file')
-        end
-
-        extension = validate_file_extension
-
-        download_metadata_import_file(extension)
-
-        @headers = @spreadsheet.row(1).compact
-
-        validate_file_headers
-
-        validate_file_rows
-      end
-
-      def download_metadata_import_file(extension)
-        begin
-          @temp_import_file.binmode
-          @file.download do |chunk|
-            @temp_import_file.write(chunk)
-          end
-        ensure
-          @temp_import_file.close
-        end
-        @spreadsheet = if extension.eql? '.tsv'
-                         Roo::CSV.new(@temp_import_file.path, extension:,
-                                                              csv_options: { col_sep: "\t" })
-                       else
-                         Roo::Spreadsheet.open(@temp_import_file.path, extension:)
-                       end
-      end
+      protected
 
       def perform_file_import
         response = {}
@@ -123,19 +37,15 @@ def perform_file_import
 
           metadata_changes = process_sample_metadata_row(sample_id, metadata)
           response[sample_id] = metadata_changes if metadata_changes
-          cleanup_files
-          response
         rescue ActiveRecord::RecordNotFound
           @namespace.errors.add(:sample, error_message(sample_id))
         end
+
+        cleanup_files
         response
       end
 
-      def cleanup_files
-        # delete the blob and temporary file as we no longer require them
-        @file.purge
-        @temp_import_file.unlink
-      end
+      private
 
       def error_message(sample_id)
         if @namespace.type == 'Group'
diff --git a/config/locales/en.yml b/config/locales/en.yml
index d2656ac032..c33adbf633 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -1730,6 +1730,10 @@ en:
         namespace_project_exists: Project with the same name or path already exists in the target namespace.
         project_in_namespace: Project in namespace
     samples:
+      batch_import:
+        duplicate_sample_name: Duplicate sample name on index '%{index}'
+        project_puid_not_found: Project PUID '%{project_puid}' could not be found
+        project_puid_not_in_namespace: Project PUID '%{project_puid}' is not accessible from namespace '%{namespace}, or you do not have permission to create samples on the shared project within the namespace'
       clone:
         empty_new_project_id: Destination project was not selected.
         empty_sample_ids: The sample ids are empty.
@@ -1743,13 +1747,6 @@ en:
           sample_does_not_belong_to_project: Sample '%{sample_name}'' does not belong to project '%{project_name}'
           single_all_keys_exist: Metadata key '%{key}' already exist.
         import_file:
-          duplicate_column_names: The file has duplicate column header names. Please remove the columns with duplicate header names and retry uploading.
-          empty_file: The file cannot be empty.
-          empty_sample_id_column: The sample id column cannot be empty.
-          invalid_file_extension: The file can only be a csv or excel.
-          missing_metadata_column: The file does not have any metadata columns. Please add some columns of metadata to the file and retry uploading.
-          missing_metadata_row: The file does not have any metadata rows. Please add some rows of metadata to the file and retry uploading.
-          missing_sample_id_column: The file is missing the sample id column.  Please make sure the sample id column exists and retry uploading.
           sample_metadata_fields_not_updated: Sample '%{sample_name}' with field(s) '%{metadata_fields}' cannot be updated.
           sample_not_found_within_group: Could not find sample with puid '%{sample_puid}' in this group.
           sample_not_found_within_project: Could not find sample with puid or name '%{sample_puid}' in this project.
@@ -1767,6 +1764,13 @@ en:
         same_project: The samples already exist in the project. Please select a different project.
         sample_exists: 'Sample %{sample_puid}: Conflicts with sample named ''%{sample_name}'' in the target project'
         samples_not_found: 'Samples with the following sample ids could not be transferred as they were not found in the source project: %{sample_ids}'
+    spreadsheet_import:
+      duplicate_column_names: The file has duplicate column header names. Please remove the columns with duplicate header names and retry uploading.
+      invalid_file_extension: The file can only be a csv, tsv or excel.
+      missing_data_columns: File is missing data columns. Please add additional data columns and headers and retry uploading.
+      missing_data_row: The file does not have any data rows. Please add some rows of data to the file and retry uploading.
+      missing_field: Row with index '%{index}' is missing required fields
+      missing_header: File is missing the header '%{header_title}'
   shared:
     alert:
       list:
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 387ebd3133..2a6ff22bd1 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -1730,6 +1730,10 @@ fr:
         namespace_project_exists: Project with the same name or path already exists in the target namespace.
         project_in_namespace: Project in namespace
     samples:
+      batch_import:
+        duplicate_sample_name: Duplicate sample name on index '%{index}'
+        project_puid_not_found: Project PUID '%{project_puid}' could not be found
+        project_puid_not_in_namespace: Project PUID '%{project_puid}' is not accessible from namespace '%{namespace}, or you do not have permission to create samples on the shared project within the namespace'
       clone:
         empty_new_project_id: Destination project was not selected.
         empty_sample_ids: The sample ids are empty.
@@ -1743,13 +1747,6 @@ fr:
           sample_does_not_belong_to_project: Sample '%{sample_name}'' does not belong to project '%{project_name}'
           single_all_keys_exist: Metadata key '%{key}' already exist.
         import_file:
-          duplicate_column_names: The file has duplicate column header names. Please remove the columns with duplicate header names and retry uploading.
-          empty_file: The file cannot be empty.
-          empty_sample_id_column: The sample id column cannot be empty.
-          invalid_file_extension: The file can only be a csv or excel.
-          missing_metadata_column: The file does not have any metadata columns. Please add some columns of metadata to the file and retry uploading.
-          missing_metadata_row: The file does not have any metadata rows. Please add some rows of metadata to the file and retry uploading.
-          missing_sample_id_column: The file is missing the sample id column.  Please make sure the sample id column exists and retry uploading.
           sample_metadata_fields_not_updated: Sample '%{sample_name}' with field(s) '%{metadata_fields}' cannot be updated.
           sample_not_found_within_group: Could not find sample with puid '%{sample_puid}' in this group.
           sample_not_found_within_project: Could not find sample with puid or name '%{sample_puid}' in this project.
@@ -1767,6 +1764,13 @@ fr:
         same_project: The samples already exist in the project. Please select a different project.
         sample_exists: 'Sample %{sample_puid}: Conflicts with sample named ''%{sample_name}'' in the target project'
         samples_not_found: 'Samples with the following sample ids could not be transferred as they were not found in the source project: %{sample_ids}'
+    spreadsheet_import:
+      duplicate_column_names: The file has duplicate column header names. Please remove the columns with duplicate header names and retry uploading.
+      invalid_file_extension: The file can only be a csv, tsv or excel.
+      missing_data_columns: File is missing data columns. Please add additional data columns and headers and retry uploading.
+      missing_data_row: The file does not have any data rows. Please add some rows of data to the file and retry uploading.
+      missing_field: Row with index '%{index}' is missing required fields
+      missing_header: File is missing the header '%{header_title}'
   shared:
     alert:
       list:
diff --git a/test/fixtures/files/batch_sample_import_invalid_blank_line.csv b/test/fixtures/files/batch_sample_import_invalid_blank_line.csv
new file mode 100644
index 0000000000..0cf2499b7a
--- /dev/null
+++ b/test/fixtures/files/batch_sample_import_invalid_blank_line.csv
@@ -0,0 +1,4 @@
+sample_name,project_puid,description
+my new sample,INXT_PRJ_AAAAAAAAAA,my description
+,,
+my new sample 2,INXT_PRJ_AAAAAAAAAA,my description 2
diff --git a/test/fixtures/files/batch_sample_import_invalid_missing_puid.csv b/test/fixtures/files/batch_sample_import_invalid_missing_puid.csv
new file mode 100644
index 0000000000..e2c87d5554
--- /dev/null
+++ b/test/fixtures/files/batch_sample_import_invalid_missing_puid.csv
@@ -0,0 +1,3 @@
+sample_name,project_puid,description
+my new sample,INXT_PRJ_AAAAAAAAAA,my description
+my new sample 2,,my description 2
diff --git a/test/fixtures/files/batch_sample_import_invalid_project.csv b/test/fixtures/files/batch_sample_import_invalid_project.csv
new file mode 100644
index 0000000000..d3273c6443
--- /dev/null
+++ b/test/fixtures/files/batch_sample_import_invalid_project.csv
@@ -0,0 +1,3 @@
+sample_name,project_puid,description
+my new sample,INXT_PRJ_AAAAAAAAAA,my description
+my new sample 2,invalid_puid,my description 2
diff --git a/test/fixtures/files/batch_sample_import_invalid_sample_dup_in_file.csv b/test/fixtures/files/batch_sample_import_invalid_sample_dup_in_file.csv
new file mode 100644
index 0000000000..30b7ed0d6f
--- /dev/null
+++ b/test/fixtures/files/batch_sample_import_invalid_sample_dup_in_file.csv
@@ -0,0 +1,3 @@
+sample_name,project_puid,description
+my new sample,INXT_PRJ_AAAAAAAAAA,my description
+my new sample,INXT_PRJ_AAAAAAAAAA,my description 2
diff --git a/test/fixtures/files/batch_sample_import_invalid_sample_exists.csv b/test/fixtures/files/batch_sample_import_invalid_sample_exists.csv
new file mode 100644
index 0000000000..82f33b83ad
--- /dev/null
+++ b/test/fixtures/files/batch_sample_import_invalid_sample_exists.csv
@@ -0,0 +1,3 @@
+sample_name,project_puid,description
+my new sample,INXT_PRJ_AAAAAAAAAA,my description
+Project 1 Sample 1,INXT_PRJ_AAAAAAAAAA,my description 2
diff --git a/test/fixtures/files/batch_sample_import_invalid_short_sample_name.csv b/test/fixtures/files/batch_sample_import_invalid_short_sample_name.csv
new file mode 100644
index 0000000000..cdbf8ebd6b
--- /dev/null
+++ b/test/fixtures/files/batch_sample_import_invalid_short_sample_name.csv
@@ -0,0 +1,3 @@
+sample_name,project_puid,description
+my new sample,INXT_PRJ_AAAAAAAAAA,my description
+m,INXT_PRJ_AAAAAAAAAA,my description 2
diff --git a/test/fixtures/files/batch_sample_import_valid.csv b/test/fixtures/files/batch_sample_import_valid.csv
new file mode 100644
index 0000000000..97ad42c6bc
--- /dev/null
+++ b/test/fixtures/files/batch_sample_import_valid.csv
@@ -0,0 +1,3 @@
+sample_name,project_puid,description
+my new sample,INXT_PRJ_AAAAAAAAAA,my description
+my new sample 2,INXT_PRJ_AAAAAAAAAA,my description 2
diff --git a/test/fixtures/files/metadata/empty.csv b/test/fixtures/files/metadata/empty.csv
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/test/services/samples/batch_file_import_service_test.rb b/test/services/samples/batch_file_import_service_test.rb
new file mode 100644
index 0000000000..61bdc62822
--- /dev/null
+++ b/test/services/samples/batch_file_import_service_test.rb
@@ -0,0 +1,268 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+module Samples
+  class BatchFileImportServiceTest < ActiveSupport::TestCase
+    def setup # rubocop:disable Metrics/MethodLength
+      @john_doe = users(:john_doe)
+      @jane_doe = users(:jane_doe)
+      @group = groups(:group_one)
+      @group2 = groups(:group_two)
+      @project = projects(:project1)
+      @project2 = projects(:project2)
+
+      file = Rack::Test::UploadedFile.new(Rails.root.join('test/fixtures/files/batch_sample_import_valid.csv'))
+      @blob = ActiveStorage::Blob.create_and_upload!(
+        io: file,
+        filename: file.original_filename,
+        content_type: file.content_type
+      )
+      @default_params = {
+        sample_name_column: 'sample_name',
+        project_puid_column: 'project_puid',
+        sample_description_column: 'description'
+      }
+    end
+
+    test 'import samples with permission for project namespace' do
+      assert_equal 3, @project.samples.count
+
+      assert_authorized_to(:update_sample_metadata?, @project.namespace,
+                           with: Namespaces::ProjectNamespacePolicy,
+                           context: { user: @john_doe }) do
+        Samples::BatchFileImportService.new(@project.namespace, @john_doe, @blob.id, @default_params).execute
+      end
+
+      assert_equal 5, @project.samples.count
+      assert_equal 1, @project.samples.where(name: 'my new sample').count
+      assert_equal 1, @project.samples.where(name: 'my new sample 2').count
+    end
+
+    test 'import samples with permission for group' do
+      assert_equal 3, @project.samples.count
+
+      assert_authorized_to(:update_sample_metadata?, @group,
+                           with: GroupPolicy,
+                           context: { user: @john_doe }) do
+        Samples::BatchFileImportService.new(@group, @john_doe, @blob.id, @default_params).execute
+      end
+
+      assert_equal 5, @project.samples.count
+      assert_equal 1, @project.samples.where(name: 'my new sample').count
+      assert_equal 1, @project.samples.where(name: 'my new sample 2').count
+    end
+
+    test 'import samples without permission for project namespace' do
+      assert_equal 3, @project.samples.count
+
+      exception = assert_raises(ActionPolicy::Unauthorized) do
+        Samples::BatchFileImportService.new(@project.namespace, @jane_doe, @blob.id, @default_params).execute
+      end
+      assert_equal Namespaces::ProjectNamespacePolicy, exception.policy
+      assert_equal :update_sample_metadata?, exception.rule
+      assert exception.result.reasons.is_a?(::ActionPolicy::Policy::FailureReasons)
+      assert_equal I18n.t(:'action_policy.policy.namespaces/project_namespace.update_sample_metadata?',
+                          name: @project.name), exception.result.message
+
+      assert_equal 3, @project.samples.count
+    end
+
+    test 'import samples without permission for group' do
+      assert_equal 3, @project.samples.count
+
+      exception = assert_raises(ActionPolicy::Unauthorized) do
+        Samples::BatchFileImportService.new(@group, @jane_doe, @blob.id, @default_params).execute
+      end
+      assert_equal GroupPolicy, exception.policy
+      assert_equal :update_sample_metadata?, exception.rule
+      assert exception.result.reasons.is_a?(::ActionPolicy::Policy::FailureReasons)
+      assert_equal I18n.t(:'action_policy.policy.group.update_sample_metadata?',
+                          name: @group.name), exception.result.message
+      assert_equal 3, @project.samples.count
+    end
+
+    test 'import samples with empty file' do
+      file = Rack::Test::UploadedFile.new(Rails.root.join('test/fixtures/files/metadata/empty.csv'))
+      blob = ActiveStorage::Blob.create_and_upload!(
+        io: file,
+        filename: file.original_filename,
+        content_type: file.content_type
+      )
+
+      Samples::BatchFileImportService.new(@project.namespace, @john_doe, blob.id, @default_params).execute
+      assert_equal(@project.namespace.errors.full_messages_for(:base).first,
+                   I18n.t('services.spreadsheet_import.missing_header',
+                          header_title: %w[sample_name project_puid]))
+    end
+
+    test 'import samples into a project that does not belong to project namespace' do
+      assert_equal 3, @project.samples.count
+      assert_equal 20, @project2.samples.count
+
+      response = Samples::BatchFileImportService.new(@project2.namespace, @john_doe, @blob.id,
+                                                     @default_params).execute
+
+      assert_equal 3, @project.samples.count
+      assert_equal 20, @project2.samples.count
+
+      assert_equal I18n.t('services.samples.batch_import.project_puid_not_in_namespace',
+                          project_puid: @project.puid,
+                          namespace: @project2.namespace.full_path),
+                   response['my new sample'][:message]
+      assert_equal I18n.t('services.samples.batch_import.project_puid_not_in_namespace',
+                          project_puid: @project.puid,
+                          namespace: @project2.namespace.full_path),
+                   response['my new sample 2'][:message]
+    end
+
+    test 'import samples into a project that does not belong to group namespace' do
+      assert_equal 3, @project.samples.count
+      assert_equal 20, @project2.samples.count
+
+      response = Samples::BatchFileImportService.new(@group2, @john_doe, @blob.id, @default_params).execute
+
+      assert_equal 3, @project.samples.count
+      assert_equal 20, @project2.samples.count
+
+      assert_equal I18n.t('services.samples.batch_import.project_puid_not_in_namespace',
+                          project_puid: @project.puid,
+                          namespace: @group2.full_path),
+                   response['my new sample'][:message]
+      assert_equal I18n.t('services.samples.batch_import.project_puid_not_in_namespace',
+                          project_puid: @project.puid,
+                          namespace: @group2.full_path),
+                   response['my new sample 2'][:message]
+    end
+
+    test 'import with bad data invalid project' do
+      assert_equal 3, @project.samples.count
+
+      file = Rack::Test::UploadedFile.new(
+        Rails.root.join('test/fixtures/files/batch_sample_import_invalid_project.csv')
+      )
+      blob = ActiveStorage::Blob.create_and_upload!(
+        io: file,
+        filename: file.original_filename,
+        content_type: file.content_type
+      )
+
+      response = Samples::BatchFileImportService.new(@project.namespace, @john_doe, blob.id,
+                                                     @default_params).execute
+
+      assert_equal 4, @project.samples.count
+
+      assert_equal I18n.t('services.samples.batch_import.project_puid_not_found',
+                          project_puid: 'invalid_puid'),
+                   response['my new sample 2'][:message]
+    end
+
+    test 'import with bad data missing puid' do
+      assert_equal 3, @project.samples.count
+
+      file = Rack::Test::UploadedFile.new(
+        Rails.root.join('test/fixtures/files/batch_sample_import_invalid_missing_puid.csv')
+      )
+      blob = ActiveStorage::Blob.create_and_upload!(
+        io: file,
+        filename: file.original_filename,
+        content_type: file.content_type
+      )
+
+      response = Samples::BatchFileImportService.new(@project.namespace, @john_doe, blob.id,
+                                                     @default_params).execute
+
+      assert_equal 4, @project.samples.count
+
+      assert_equal I18n.t('services.spreadsheet_import.missing_field',
+                          index: 2),
+                   response['index 2'][:message]
+    end
+
+    test 'import with bad data blank line' do
+      assert_equal 3, @project.samples.count
+
+      file = Rack::Test::UploadedFile.new(
+        Rails.root.join('test/fixtures/files/batch_sample_import_invalid_blank_line.csv')
+      )
+      blob = ActiveStorage::Blob.create_and_upload!(
+        io: file,
+        filename: file.original_filename,
+        content_type: file.content_type
+      )
+
+      response = Samples::BatchFileImportService.new(@project.namespace, @john_doe, blob.id,
+                                                     @default_params).execute
+
+      assert_equal 5, @project.samples.count
+
+      assert_equal I18n.t('services.spreadsheet_import.missing_field',
+                          index: 2),
+                   response['index 2'][:message]
+    end
+
+    test 'import with bad data short sample name' do
+      assert_equal 3, @project.samples.count
+
+      file = Rack::Test::UploadedFile.new(
+        Rails.root.join('test/fixtures/files/batch_sample_import_invalid_short_sample_name.csv')
+      )
+      blob = ActiveStorage::Blob.create_and_upload!(
+        io: file,
+        filename: file.original_filename,
+        content_type: file.content_type
+      )
+
+      response = Samples::BatchFileImportService.new(@project.namespace, @john_doe, blob.id,
+                                                     @default_params).execute
+
+      assert_equal 4, @project.samples.count
+
+      assert_equal ['sample', 'name'], response['m'][0][:path] # rubocop:disable Style/WordArray
+      assert_equal 'is too short (minimum is 3 characters)', response['m'][0][:message]
+    end
+
+    test 'import with bad data sample already exists' do
+      assert_equal 3, @project.samples.count
+
+      file = Rack::Test::UploadedFile.new(
+        Rails.root.join('test/fixtures/files/batch_sample_import_invalid_sample_exists.csv')
+      )
+      blob = ActiveStorage::Blob.create_and_upload!(
+        io: file,
+        filename: file.original_filename,
+        content_type: file.content_type
+      )
+
+      response = Samples::BatchFileImportService.new(@project.namespace, @john_doe, blob.id,
+                                                     @default_params).execute
+
+      assert_equal 4, @project.samples.count
+
+      assert_equal ['sample', 'name'], response['Project 1 Sample 1'][0][:path] # rubocop:disable Style/WordArray
+      assert_equal 'has already been taken', response['Project 1 Sample 1'][0][:message]
+    end
+
+    test 'import with bad data invalid duplicate sample name in file' do
+      assert_equal 3, @project.samples.count
+
+      file = Rack::Test::UploadedFile.new(
+        Rails.root.join('test/fixtures/files/batch_sample_import_invalid_sample_dup_in_file.csv')
+      )
+      blob = ActiveStorage::Blob.create_and_upload!(
+        io: file,
+        filename: file.original_filename,
+        content_type: file.content_type
+      )
+
+      response = Samples::BatchFileImportService.new(@project.namespace, @john_doe, blob.id,
+                                                     @default_params).execute
+
+      assert_equal 4, @project.samples.count
+
+      assert_equal I18n.t('services.samples.batch_import.duplicate_sample_name',
+                          index: 2),
+                   response['index 2'][:message]
+    end
+  end
+end
diff --git a/test/services/samples/metadata/file_import_service_test.rb b/test/services/samples/metadata/file_import_service_test.rb
index 0af8657464..288da0af7f 100644
--- a/test/services/samples/metadata/file_import_service_test.rb
+++ b/test/services/samples/metadata/file_import_service_test.rb
@@ -62,19 +62,20 @@ def setup
                             name: @group.name), exception.result.message
       end
 
-      test 'import sample metadata with empty params' do
-        assert_empty Samples::Metadata::FileImportService.new(@project.namespace, @john_doe, @blob.id, {}).execute
+      test 'import sample metadata with empty file' do
+        file = Rack::Test::UploadedFile.new(Rails.root.join('test/fixtures/files/metadata/empty.csv'))
+        blob = ActiveStorage::Blob.create_and_upload!(
+          io: file,
+          filename: file.original_filename,
+          content_type: file.content_type
+        )
+
+        params = { sample_id_column: 'sample_name' }
+        assert_empty Samples::Metadata::FileImportService.new(@project.namespace, @john_doe, blob.id, params).execute
         assert_equal(@project.namespace.errors.full_messages_for(:base).first,
-                     I18n.t('services.samples.metadata.import_file.empty_sample_id_column'))
+                     I18n.t('services.spreadsheet_import.missing_header', header_title: ['sample_name']))
       end
 
-      # test 'import sample metadata with no file' do
-      #   params = { sample_id_column: 'sample_name' }
-      #   assert_empty Samples::Metadata::FileImportService.new(@project.namespace, @john_doe, params).execute
-      #   assert_equal(@project.namespace.errors.full_messages_for(:base).first,
-      #                I18n.t('services.samples.metadata.import_file.empty_file'))
-      # end
-
       test 'import sample metadata via csv file using sample names for project namespace' do
         assert_equal({}, @sample1.metadata)
         assert_equal({}, @sample2.metadata)
@@ -240,7 +241,7 @@ def setup
         params = { sample_id_column: 'sample_name' }
         assert_empty Samples::Metadata::FileImportService.new(@project.namespace, @john_doe, blob.id, params).execute
         assert_equal(@project.namespace.errors.full_messages_for(:base).first,
-                     I18n.t('services.samples.metadata.import_file.invalid_file_extension'))
+                     I18n.t('services.spreadsheet_import.invalid_file_extension'))
       end
 
       test 'import sample metadata with no sample_id_column' do
@@ -257,7 +258,7 @@ def setup
         params = { sample_id_column: 'sample_name' }
         assert_empty Samples::Metadata::FileImportService.new(@project.namespace, @john_doe, blob.id, params).execute
         assert_equal(@project.namespace.errors.full_messages_for(:base).first,
-                     I18n.t('services.samples.metadata.import_file.missing_sample_id_column'))
+                     I18n.t('services.spreadsheet_import.missing_header', header_title: ['sample_name']))
       end
 
       test 'import sample metadata with duplicate column names' do
@@ -272,7 +273,7 @@ def setup
         params = { sample_id_column: 'sample_name' }
         assert_empty Samples::Metadata::FileImportService.new(@project.namespace, @john_doe, blob.id, params).execute
         assert_equal(@project.namespace.errors.full_messages_for(:base).first,
-                     I18n.t('services.samples.metadata.import_file.duplicate_column_names'))
+                     I18n.t('services.spreadsheet_import.duplicate_column_names'))
       end
 
       test 'import sample metadata with no metadata columns' do
@@ -289,7 +290,7 @@ def setup
         params = { sample_id_column: 'sample_name' }
         assert_empty Samples::Metadata::FileImportService.new(@project.namespace, @john_doe, blob.id, params).execute
         assert_equal(@project.namespace.errors.full_messages_for(:base).first,
-                     I18n.t('services.samples.metadata.import_file.missing_metadata_column'))
+                     I18n.t('services.spreadsheet_import.missing_data_columns'))
       end
 
       test 'import sample metadata with no metadata rows' do
@@ -304,7 +305,7 @@ def setup
         params = { sample_id_column: 'sample_name' }
         assert_empty Samples::Metadata::FileImportService.new(@project.namespace, @john_doe, blob.id, params).execute
         assert_equal(@project.namespace.errors.full_messages_for(:base).first,
-                     I18n.t('services.samples.metadata.import_file.missing_metadata_row'))
+                     I18n.t('services.spreadsheet_import.missing_data_row'))
       end
 
       test 'import sample metadata with an empty header' do
diff --git a/test/system/groups/samples_test.rb b/test/system/groups/samples_test.rb
index ceb0e07749..0ae155e7a6 100644
--- a/test/system/groups/samples_test.rb
+++ b/test/system/groups/samples_test.rb
@@ -809,7 +809,7 @@ def retrieve_puids
         perform_enqueued_jobs only: [::Samples::MetadataImportJob]
       end
       within %(turbo-frame[id="samples_dialog"]) do
-        assert_text I18n.t('services.samples.metadata.import_file.invalid_file_extension')
+        assert_text I18n.t('services.spreadsheet_import.invalid_file_extension')
       end
     end
 
@@ -887,7 +887,7 @@ def retrieve_puids
         perform_enqueued_jobs only: [::Samples::MetadataImportJob]
       end
       within %(turbo-frame[id="samples_dialog"]) do
-        assert_text I18n.t('services.samples.metadata.import_file.duplicate_column_names')
+        assert_text I18n.t('services.spreadsheet_import.duplicate_column_names')
       end
     end
 
@@ -902,7 +902,7 @@ def retrieve_puids
         perform_enqueued_jobs only: [::Samples::MetadataImportJob]
       end
       within %(turbo-frame[id="samples_dialog"]) do
-        assert_text I18n.t('services.samples.metadata.import_file.missing_metadata_row')
+        assert_text I18n.t('services.spreadsheet_import.missing_data_row')
       end
     end
 
@@ -917,7 +917,7 @@ def retrieve_puids
         perform_enqueued_jobs only: [::Samples::MetadataImportJob]
       end
       within %(turbo-frame[id="samples_dialog"]) do
-        assert_text I18n.t('services.samples.metadata.import_file.missing_metadata_column')
+        assert_text I18n.t('services.spreadsheet_import.missing_data_columns')
       end
     end
 
diff --git a/test/system/projects/samples_test.rb b/test/system/projects/samples_test.rb
index 1716ebf949..1c68ccef8b 100644
--- a/test/system/projects/samples_test.rb
+++ b/test/system/projects/samples_test.rb
@@ -1314,7 +1314,7 @@ class SamplesTest < ApplicationSystemTestCase
       ### VERIFY START ###
       within('#dialog') do
         # error msg
-        assert_text I18n.t('services.samples.metadata.import_file.invalid_file_extension')
+        assert_text I18n.t('services.spreadsheet_import.invalid_file_extension')
       end
       ### VERIFY END ###
     end
@@ -1420,7 +1420,7 @@ class SamplesTest < ApplicationSystemTestCase
 
         ### VERIFY START ###
         # error msg
-        assert_text I18n.t('services.samples.metadata.import_file.duplicate_column_names')
+        assert_text I18n.t('services.spreadsheet_import.duplicate_column_names')
         ### VERIFY END ###
       end
     end
@@ -1445,7 +1445,7 @@ class SamplesTest < ApplicationSystemTestCase
 
         ### VERIFY START ###
         # error msg
-        assert_text I18n.t('services.samples.metadata.import_file.missing_metadata_row')
+        assert_text I18n.t('services.spreadsheet_import.missing_data_row')
         ### VERIFY END ###
       end
     end
@@ -1470,7 +1470,7 @@ class SamplesTest < ApplicationSystemTestCase
 
         ### VERIFY START ###
         # error msg
-        assert_text I18n.t('services.samples.metadata.import_file.missing_metadata_column')
+        assert_text I18n.t('services.spreadsheet_import.missing_data_columns')
         ### VERIFY END ###
       end
     end