diff --git a/Metadata/ClassMetadata.php b/Metadata/ClassMetadata.php
index 7cdbbf5..9f0a7ae 100644
--- a/Metadata/ClassMetadata.php
+++ b/Metadata/ClassMetadata.php
@@ -34,6 +34,47 @@ class ClassMetadata extends BaseClassMetadata
     public $properties = array();
     public $initMethod;
     public $environments = array();
+    public $services = [];
+
+    /**
+     * on first call also populate legacy fields
+     *
+     * @param string[] $service
+     */
+    public function addService(array $service)
+    {
+        if (empty($this->id)) {
+            $this->id = $service['id'];
+            $this->parent = $service['parent'];
+            $this->public = $service['public'];
+            $this->scope = $service['scope'];
+            $this->abstract = $service['abstract'];
+            // TODO update call for other tags (there are several pull requests)
+        }
+
+        $this->services[$service['id']] = $service;
+    }
+
+    /**
+     * get list of defined services, use fallback of original fields
+     *
+     * return array[]
+     */
+    public function getServices()
+    {
+        // TODO remove fallback for next major version
+        if (empty($this->services) || !isset($this->services[$this->id])) {
+            $this->services[] = array(
+                'id' => $this->id,
+                'parent' => $this->parent,
+                'public' => $this->public,
+                'scope' => $this->scope,
+                'abstract' => $this->abstract,
+            );
+        }
+
+        return $this->services;
+    }
 
     public function isLoadedInEnvironment($env)
     {
@@ -60,6 +101,7 @@ public function serialize()
             $this->initMethod,
             parent::serialize(),
             $this->environments,
+            $this->services,
         ));
     }
 
@@ -79,13 +121,11 @@ public function unserialize($str)
             $this->lookupMethods,
             $this->properties,
             $this->initMethod,
-            $parentStr
+            $parentStr,
+            $this->environments,
+            $this->services,
         ) = $data;
 
-        if (isset($data[12])) {
-            $this->environments = $data[12];
-        }
-
         parent::unserialize($parentStr);
     }
 }
diff --git a/Metadata/Driver/AnnotationDriver.php b/Metadata/Driver/AnnotationDriver.php
index 4ccf32b..b75a33d 100644
--- a/Metadata/Driver/AnnotationDriver.php
+++ b/Metadata/Driver/AnnotationDriver.php
@@ -72,16 +72,18 @@ public function loadMetadataForClass(\ReflectionClass $class)
 
         foreach ($this->reader->getClassAnnotations($class) as $annot) {
             if ($annot instanceof Service) {
+                $service = array();
                 if (null === $annot->id) {
-                    $metadata->id = $this->namingStrategy->classToServiceName($className);
+                    $service['id'] = $this->namingStrategy->classToServiceName($className);
                 } else {
-                    $metadata->id = $annot->id;
+                    $service['id'] = $annot->id;
                 }
 
-                $metadata->parent = $annot->parent;
-                $metadata->public = $annot->public;
-                $metadata->scope = $annot->scope;
-                $metadata->abstract = $annot->abstract;
+                $service['parent'] = $annot->parent;
+                $service['public'] = $annot->public;
+                $service['scope'] = $annot->scope;
+                $service['abstract'] = $annot->abstract;
+                $metadata->addService($service);
             } else if ($annot instanceof Tag) {
                 $metadata->tags[$annot->name][] = $annot->attributes;
             } else if ($annot instanceof Validator) {
diff --git a/Metadata/MetadataConverter.php b/Metadata/MetadataConverter.php
index 9c03d70..c1a20db 100644
--- a/Metadata/MetadataConverter.php
+++ b/Metadata/MetadataConverter.php
@@ -37,42 +37,46 @@ public function convert(ClassHierarchyMetadata $metadata)
         $definitions = array();
 
         $previous = null;
+        /** @var ClassMetadata $classMetadata */
         foreach ($metadata->classMetadata as $classMetadata) {
-            if (null === $previous && null === $classMetadata->parent) {
-                $definition = new Definition();
-            } else {
-                $definition = new DefinitionDecorator(
-                    $classMetadata->parent ?: $previous->id
-                );
-            }
+            foreach ($classMetadata->getServices() as $service) {
+                if (null === $previous && null === @$service['parent']) {
+                    $definition = new Definition();
+                } else {
+                    $definition = new DefinitionDecorator(
+                        @$service['parent'] ?: $previous->id
+                    );
+                }
 
-            $definition->setClass($classMetadata->name);
-            if (null !== $classMetadata->scope) {
-                $definition->setScope($classMetadata->scope);
-            }
-            if (null !== $classMetadata->public) {
-                $definition->setPublic($classMetadata->public);
-            }
-            if (null !== $classMetadata->abstract) {
-                $definition->setAbstract($classMetadata->abstract);
-            }
-            if (null !== $classMetadata->arguments) {
-                $definition->setArguments($classMetadata->arguments);
-            }
+                $definition->setClass($classMetadata->name);
+                if (null !== @$service['scope']) {
+                    $definition->setScope(@$service['scope']);
+                }
+                if (null !== @$service['public']) {
+                    $definition->setPublic(@$service['public']);
+                }
+                if (null !== @$service['abstract']) {
+                    $definition->setAbstract(@$service['abstract']);
+                }
+                if (null !== $classMetadata->arguments) {
+                    $definition->setArguments($classMetadata->arguments);
+                }
 
-            $definition->setMethodCalls($classMetadata->methodCalls);
-            $definition->setTags($classMetadata->tags);
-            $definition->setProperties($classMetadata->properties);
+                $definition->setMethodCalls($classMetadata->methodCalls);
+                $definition->setTags($classMetadata->tags);
+                $definition->setProperties($classMetadata->properties);
 
-            if (null === $classMetadata->id) {
-                $classMetadata->id = '_jms_di_extra.unnamed.service_'.$count++;
-            }
+                if (null === @$service['id']) {
+                    $classMetadata->id = '_jms_di_extra.unnamed.service_' . $count++;
+                }
+
+                if ($classMetadata->initMethod) {
+                    throw new \RuntimeException(sprintf('You can\'t use @AfterSetup on a service.'));
+                }
 
-            if ($classMetadata->initMethod) {
-                throw new \RuntimeException(sprintf('You can\'t use @AfterSetup on a service.'));
+                $definitions[$classMetadata->id] = $definition;
             }
 
-            $definitions[$classMetadata->id] = $definition;
             $previous = $classMetadata;
         }
 
diff --git a/Tests/Metadata/Driver/AnnotationDriverTest.php b/Tests/Metadata/Driver/AnnotationDriverTest.php
index c6814af..545fad4 100644
--- a/Tests/Metadata/Driver/AnnotationDriverTest.php
+++ b/Tests/Metadata/Driver/AnnotationDriverTest.php
@@ -43,6 +43,19 @@ public function testCustomAnnotationOnMethod()
         $this->assertEquals('fancy', @$metadata->tags['omg'], 'check key and value of custom annotation');
     }
 
+    public function testMultiService()
+    {
+        $metadata = $this->getDriver()->loadMetadataForClass(new \ReflectionClass('JMS\DiExtraBundle\Tests\Metadata\Driver\Fixture\MultiService'));
+
+        $this->assertEquals(array(
+            'first.service' => array(
+                'id' => 'first.service',
+            ),
+            'second.service' => array(
+                'id' => 'first.service',
+            )
+        ), $metadata->getServices());
+    }
 
     private function getDriver()
     {
diff --git a/Tests/Metadata/Driver/Fixture/MultiService.php b/Tests/Metadata/Driver/Fixture/MultiService.php
new file mode 100644
index 0000000..dbdc045
--- /dev/null
+++ b/Tests/Metadata/Driver/Fixture/MultiService.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace JMS\DiExtraBundle\Tests\Metadata\Driver\Fixture;
+
+use JMS\DiExtraBundle as DI; // Use this alias in order to not have this class picked up by the finder
+
+/**
+ * @DI\Annotation\Service("first.service")
+ * @DI\Annotation\Service("second.service")
+ */
+class MultiService
+{
+}