diff --git a/plugins/models/models.py b/plugins/models/models.py
index a91bf2f..a8131c0 100644
--- a/plugins/models/models.py
+++ b/plugins/models/models.py
@@ -1,17 +1,22 @@
-from sqlalchemy.orm import declarative_base
+from sqlalchemy.orm import declarative_base, relationship
 from sqlalchemy import (
     PrimaryKeyConstraint,
+    ForeignKey,
     Column,
     DateTime,
     String,
+    Boolean,
+    Enum,
+    Integer,
     func,
 )
+import enum
 
 base = declarative_base()
 
 
-class Products(base):
-    __tablename__ = "products"
+class Product(base):
+    __tablename__ = "product"
     __table_args__ = (PrimaryKeyConstraint("sku", name="sku"),)
 
     sku = Column(String, unique=True)
@@ -21,3 +26,105 @@ class Products(base):
     asin = Column(String, unique=True)
     createdAt = Column(DateTime, default=func.now())
     updatedAt = Column(DateTime, default=func.now(), onupdate=func.now())
+
+
+class Customer(base):
+    __tablename__ = "customer"
+    __table_args__ = (PrimaryKeyConstraint("customerId", name="customerId"),)
+
+    customerId = Column(String, unique=True)
+    name = Column(String)
+    email = Column(String)
+    phone = Column(String)
+    country = Column(String)
+    city = Column(String)
+    state = Column(String)
+    postalCode = Column(String)
+    createdAt = Column(DateTime, default=func.now())
+    updatedAt = Column(DateTime, default=func.now(), onupdate=func.now())
+
+    # relationships
+    orders = relationship("Order", back_populates="customer")
+
+
+class OrderStatus(enum.Enum):
+    SHIPPED = "shipped"
+    SHIPPED_DELIVERED_TO_BUYER = "shipped-delivered-to-buyer"
+    SHIPPED_RETURNED_TO_SELLER = "shipped-returned-to-seller"
+    SHIPPED_PICKED_UP = "shipped-picked-up"
+    CANCELLED = "cancelled"
+
+
+class OrderFullfillment(enum.Enum):
+    AMAZON = "amazon"
+    MERCHANT = "merchant"
+
+
+class OrderSalesChannel(enum.Enum):
+    AMAZON = "amazon"
+    NOT_AMAZON = "not-amazon"
+
+
+class Order(base):
+    __tablename__ = "order"
+    __table_args__ = (PrimaryKeyConstraint("orderId", name="orderId"),)
+
+    orderId = Column(String, unique=True)
+    date = Column(DateTime)
+    B2B = Column(Boolean)
+    status = Column(Enum(OrderStatus), nullable=False)
+    fullfillment = Column(Enum(OrderFullfillment), nullable=False)
+    orderChannel = Column(Enum(OrderSalesChannel), nullable=False)
+    promotionIds = Column(String)
+    createdAt = Column(DateTime, default=func.now())
+    updatedAt = Column(DateTime, default=func.now(), onupdate=func.now())
+
+    # relationships
+    customerId = Column(Integer, ForeignKey("customer.customerId"), nullable=False)
+    customer = relationship("Customer", back_populates="order")
+
+
+class OrderDetail(base):
+    __tablename__ = "order_detail"
+    __table_args__ = (PrimaryKeyConstraint("orderId", "sku", name="orderId_sku"),)
+
+    orderId = Column(String, ForeignKey("order.orderId"), nullable=False)
+    sku = Column(String, ForeignKey("product.sku"), nullable=False)
+    quantity = Column(Integer, nullable=False)
+    amount = Column(Integer, nullable=False)
+    currency = Column(String, nullable=False, default="INR")
+    createdAt = Column(DateTime, default=func.now())
+    updatedAt = Column(DateTime, default=func.now(), onupdate=func.now())
+
+    # relationships
+    order = relationship("Order", back_populates="order_detail")
+    product = relationship("Product", back_populates="order_detail")
+
+
+class ShippingServiceLevel(enum.Enum):
+    STANDARD = "standard"
+    EXPEDITED = "expedited"
+
+
+class ShippingCourierStatus(enum.Enum):
+    SHIPPED = "shipped"
+    UNSHIPPED = "unshipped"
+    CANCELLED = "cancelled"
+
+
+class Shipping(base):
+    __tablename__ = "shipping"
+    __table_args__ = (PrimaryKeyConstraint("orderId", name="orderId"),)
+
+    orderId = Column(String, ForeignKey("order.orderId"), nullable=False)
+    shipServiceLevel = Column(Enum(ShippingServiceLevel), nullable=False)
+    courierStatus = Column(Enum(ShippingCourierStatus), nullable=False)
+    city = Column(String)
+    state = Column(String)
+    postalCode = Column(String)
+    country = Column(String)
+    createdAt = Column(DateTime, default=func.now())
+    updatedAt = Column(DateTime, default=func.now(), onupdate=func.now())
+
+    # relationships
+    order = relationship("Order", back_populates="shipping")