diff --git a/companies/serializers.py b/companies/serializers.py
index 231aea9..7f6ed4c 100644
--- a/companies/serializers.py
+++ b/companies/serializers.py
@@ -2,7 +2,7 @@ from rest_framework import serializers
 from companies.models import Company
 
 from drf_extra_fields.geo_fields import PointField
-
+from tagulous.serializers.json import Serializer as TagSerializer
 from utils.tag_serializers import TagListSerializerField, TaggitSerializer
 
 class CompanySerializer(TaggitSerializer, serializers.ModelSerializer):
diff --git a/companies/tests.py b/companies/tests.py
index fe81bfb..a247b4b 100644
--- a/companies/tests.py
+++ b/companies/tests.py
@@ -29,8 +29,8 @@ class CompanyViewSetTest(APITestCase):
         self.password = ''.join(random.choices(string.ascii_uppercase, k = 10))
         self.user = CustomUserFactory(email="test@mail.com", password=self.password, is_active=True)
 
-    # user not authenticated
-    def test_not_logged_user_cannot_create_instance(self):
+    # anonymous user
+    def test_anon_user_cannot_create_instance(self):
         """Not logged-in user cannot create new instance
         """
         instances = [self.factory() for n in range(random.randint(1,5))]
@@ -40,7 +40,7 @@ class CompanyViewSetTest(APITestCase):
         # Assert access is forbidden
         self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
 
-    def test_not_logged_user_cannot_modify_existing_instance(self):
+    def test_anon_user_cannot_modify_existing_instance(self):
         """Not logged-in user cannot modify existing instance
         """
         # Create instance
@@ -53,7 +53,7 @@ class CompanyViewSetTest(APITestCase):
         # Assert forbidden code
         self.assertEqual(response.status_code, status.HTTP_401_UNAUTHORIZED)
 
-    def test_not_logged_user_cannot_delete_existing_instance(self):
+    def test_anon_user_cannot_delete_existing_instance(self):
         """Not logged-in user cannot delete existing instance
         """
         # Create instances
@@ -67,7 +67,7 @@ class CompanyViewSetTest(APITestCase):
         # Assert instance still exists on db
         self.assertTrue(self.model.objects.get(id=instance.pk))
 
-    def test_not_logged_user_can_list_instance(self):
+    def test_anon_user_can_list_instance(self):
         """Not logged-in user can list instance
         """
         # Request list
@@ -76,6 +76,28 @@ class CompanyViewSetTest(APITestCase):
         # Assert access is forbidden
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
+    def test_anon_user_can_filter_tags(self):
+        # create instances
+        expected_instance = [
+            self.factory(tags='ropa'),
+            self.factory(tags='tejidos, ropa')
+        ]
+        unexpected_instance = [
+            self.factory(tags="zapatos, azules"),
+            self.factory(tags="xxl")
+        ]
+        # prepare url
+        url = f"{self.endpoint}?tags=ropa"
+
+        # Request list
+        response = self.client.get(url)
+        payload = response.json()
+
+        # Assert access is granted
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        # Assert number of instnaces in response
+        self.assertEquals(len(expected_instance), len(payload))
+
     # authenticated user
     def test_logged_user_can_list_instance(self):
         """Regular logged-in user can list instance
@@ -241,6 +263,7 @@ class CompanyViewSetTest(APITestCase):
         self.assertFalse(self.model.objects.filter(id=instance.pk).exists())
 
 
+
 class MyCompanyViewTest(APITestCase):
     """CompanyViewset tests
     """
@@ -259,14 +282,23 @@ class MyCompanyViewTest(APITestCase):
         self.user.save()
 
     def test_auth_user_gets_data(self):
+        # create instance
+        user_instances = [
+            self.factory(creator=self.user),
+            self.factory(creator=self.user),
+        ]
+
         # Authenticate
         token = get_tokens_for_user(self.user)
         self.client.credentials(HTTP_AUTHORIZATION=f"Bearer {token['access']}")
 
         # Query endpoint
         response = self.client.get(self.endpoint)
+        payload = response.json()
+
         # Assert forbidden code
         self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEquals(len(user_instances), len(payload))
 
     def test_anon_user_cannot_access(self):
         # send in request
diff --git a/companies/views.py b/companies/views.py
index a659776..a2114ae 100644
--- a/companies/views.py
+++ b/companies/views.py
@@ -16,7 +16,7 @@ from ipware import get_client_ip
 from stats.models import StatsLog
 from companies.models import Company
 from companies.serializers import CompanySerializer
-
+from utils.tag_filters import CompanyTagFilter
 from back_latienda.permissions import IsCreator
 
 
@@ -24,6 +24,7 @@ class CompanyViewSet(viewsets.ModelViewSet):
       queryset = Company.objects.all()
       serializer_class = CompanySerializer
       permission_classes = [IsAuthenticatedOrReadOnly, IsCreator]
+      filterset_class = CompanyTagFilter
 
       def perform_create(self, serializer):
             serializer.save(creator=self.request.user)
@@ -124,6 +125,6 @@ class CompanyViewSet(viewsets.ModelViewSet):
 @api_view(['GET',])
 @permission_classes([IsAuthenticated,])
 def my_company(request):
-      qs = Company.objects.filter(creator=request.user).first()
-      company_serializer = CompanySerializer(qs)
+      qs = Company.objects.filter(creator=request.user)
+      company_serializer = CompanySerializer(qs, many=True)
       return Response(data=company_serializer.data)
diff --git a/core/tests.py b/core/tests.py
index a4273c3..10312d3 100644
--- a/core/tests.py
+++ b/core/tests.py
@@ -521,8 +521,11 @@ class MyUserViewTest(APITestCase):
 
         # Query endpoint
         response = self.client.get(self.endpoint)
+        payload = response.json()
+
         # Assert forbidden code
         self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEquals(self.email, payload['email'])
 
     def test_anon_user_cannot_access(self):
         # send in request
diff --git a/core/views.py b/core/views.py
index de3955e..a882eab 100644
--- a/core/views.py
+++ b/core/views.py
@@ -128,7 +128,7 @@ def create_company_user(request):
     }
     try:
         user = models.CustomUser.objects.create(email=user_data['email'])
-    except IntegrityError as e: 
+    except IntegrityError as e:
         return Response({"errors": {"details": str(e)}}, status=status.HTTP_409_CONFLICT)
 
     try:
@@ -159,9 +159,13 @@ def create_company_user(request):
 @api_view(['GET',])
 @permission_classes([IsAuthenticated,])
 def my_user(request):
-      qs = User.objects.filter(email=request.user.email)
-      user_serializer = core_serializers.CustomUserReadSerializer(qs, many=True)
-      return Response(data=user_serializer.data)
+    try:
+        instance = User.objects.get(email=request.user.email)
+        user_serializer = core_serializers.CustomUserReadSerializer(instance)
+        return Response(data=user_serializer.data)
+    except Exception as e:
+        return Response({'error': {str(type(e))}}, status=500)
+
 
 
 @api_view(['POST',])
diff --git a/products/tests.py b/products/tests.py
index 9f9d471..46497f3 100644
--- a/products/tests.py
+++ b/products/tests.py
@@ -500,14 +500,23 @@ class MyProductsViewTest(APITestCase):
         self.user.save()
 
     def test_auth_user_gets_data(self):
+        # create instance
+        user_instances = [
+            self.factory(creator=self.user),
+            self.factory(creator=self.user),
+        ]
+
         # Authenticate
         token = get_tokens_for_user(self.user)
         self.client.credentials(HTTP_AUTHORIZATION=f"Bearer {token['access']}")
 
         # Query endpoint
         response = self.client.get(self.endpoint)
+        payload = response.json()
+
         # Assert forbidden code
         self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEquals(len(user_instances), len(payload))
 
     def test_anon_user_cannot_access(self):
         # send in request
diff --git a/products/views.py b/products/views.py
index 790f785..45d765a 100644
--- a/products/views.py
+++ b/products/views.py
@@ -56,7 +56,7 @@ class ProductViewSet(viewsets.ModelViewSet):
 @permission_classes([IsAuthenticated,])
 def my_products(request):
       qs = Product.objects.filter(creator=request.user)
-      product_serializer = ProductSerializer(qs)
+      product_serializer = ProductSerializer(qs, many=True)
       return Response(data=product_serializer.data)
 
 
diff --git a/utils/tag_filters.py b/utils/tag_filters.py
index 7394ac0..3cc8502 100644
--- a/utils/tag_filters.py
+++ b/utils/tag_filters.py
@@ -1,7 +1,23 @@
 import django_filters
+
+from companies.models import Company
 from products.models import Product
 
 
+class CompanyTagFilter(django_filters.FilterSet):
+
+    tags = django_filters.CharFilter(method='tag_filter')
+
+    class Meta:
+        model = Company
+        fields = ['tags', 'city',]
+
+    def tag_filter(self, queryset, name, value):
+        return queryset.filter(**{
+            name: value,
+        })
+
+
 class ProductTagFilter(django_filters.FilterSet):
 
     tags = django_filters.CharFilter(method='tag_filter')
@@ -16,3 +32,4 @@ class ProductTagFilter(django_filters.FilterSet):
         return queryset.filter(**{
             name: value,
         })
+