diff --git a/alcherializer/serializer.py b/alcherializer/serializer.py
index 7791b3f..fcde0b4 100644
--- a/alcherializer/serializer.py
+++ b/alcherializer/serializer.py
@@ -20,6 +20,20 @@ def __init__(self, instance=None, data=None, **kwargs):
         self.partial = kwargs.get("partial", False)
         self.validated_data = {}
 
+    @property
+    def data(self) -> Dict[str, Any]:
+        instances = self.instance if self.many else [self.instance]
+
+        results = []
+        for instance in instances:
+            obj_dict = {}
+            for key in self.fields.keys():
+                obj_dict[key] = getattr(instance, key)
+
+            results.append(obj_dict)
+
+        return results if self.many else results[0]
+
     def clear(self) -> None:
         self.errors = {}
         self.validated_data = {}
diff --git a/tests/unit/serializer/test_data.py b/tests/unit/serializer/test_data.py
new file mode 100644
index 0000000..9251928
--- /dev/null
+++ b/tests/unit/serializer/test_data.py
@@ -0,0 +1,38 @@
+from unittest import TestCase
+import sqlalchemy
+from alcherializer import Serializer
+
+
+class TestSerializerData(TestCase):
+
+    def test_data_single_instance(self) -> None:
+        class MyModel:
+            name = sqlalchemy.Column(sqlalchemy.String, nullable=False)
+
+        class MySerializer(Serializer):
+            class Meta:
+                model = MyModel
+
+        model = MyModel()
+        model.name = "hello world"
+
+        serializer = MySerializer(model)
+        self.assertDictEqual(serializer.data, {
+            "name": "hello world"
+        })
+
+    def test_data_multiple_instances(self) -> None:
+        class MyModel:
+            name = sqlalchemy.Column(sqlalchemy.String, nullable=False)
+
+        class MySerializer(Serializer):
+            class Meta:
+                model = MyModel
+
+        model = MyModel()
+        model.name = "hello world"
+
+        serializer = MySerializer([model], many=True)
+        self.assertListEqual(serializer.data, [
+            {"name": "hello world"}
+        ])