diff --git a/compensation/forms/forms.py b/compensation/forms/forms.py
index eadee2f..1b9f050 100644
--- a/compensation/forms/forms.py
+++ b/compensation/forms/forms.py
@@ -380,7 +380,7 @@ class NewEcoAccountForm(AbstractCompensationForm, CompensationResponsibleFormMix
                 legal=legal
             )
             acc.fundings.set(fundings)
-            acc.users.add(user)
+            acc.share_with(user)
 
             # Add the log entry to the main objects log list
             acc.log.add(action)
diff --git a/compensation/models.py b/compensation/models.py
index e7d62dd..672d4e0 100644
--- a/compensation/models.py
+++ b/compensation/models.py
@@ -235,12 +235,13 @@ class Compensation(AbstractCompensation):
         Checks whether a given user has access to this object
 
         Args:
-            user ():
+            user (User): The user to be checked
 
         Returns:
 
         """
-        return self.intervention.users.filter(id=user.id)
+        # Compensations inherit their shared state from the interventions
+        return self.intervention.is_shared_with(user)
 
     def get_LANIS_link(self) -> str:
         """ Generates a link for LANIS depending on the geometry
diff --git a/compensation/tests/test_views.py b/compensation/tests/test_views.py
index 5d865ed..ff9bc72 100644
--- a/compensation/tests/test_views.py
+++ b/compensation/tests/test_views.py
@@ -88,7 +88,7 @@ class CompensationViewTestCase(BaseViewTestCase):
         client = Client()
         client.login(username=self.superuser.username, password=self.superuser_pw)
         self.superuser.groups.set([])
-        self.intervention.users.set([self.superuser])
+        self.intervention.share_with_list([self.superuser])
 
         # Since the user has no groups, it does not matter that data has been shared. There SHOULD not be any difference
         # to a user without access, since the important permissions are missing
@@ -126,7 +126,7 @@ class CompensationViewTestCase(BaseViewTestCase):
         client.login(username=self.superuser.username, password=self.superuser_pw)
         self.superuser.groups.set([])
         # Sharing is inherited by base intervention for compensation. Therefore configure the interventions share state
-        self.intervention.users.set([])
+        self.intervention.share_with_list([])
 
         # Since the user has no groups, it does not matter that data is unshared. There SHOULD not be any difference
         # to a user having shared access, since all important permissions are missing
@@ -166,7 +166,7 @@ class CompensationViewTestCase(BaseViewTestCase):
         group = self.groups.get(name=DEFAULT_GROUP)
         self.superuser.groups.set([group])
         # Sharing is inherited by base intervention for compensation. Therefore configure the interventions share state
-        self.intervention.users.set([self.superuser])
+        self.intervention.share_with_list([self.superuser])
 
         success_urls = [
             self.index_url,
@@ -200,7 +200,7 @@ class CompensationViewTestCase(BaseViewTestCase):
         group = self.groups.get(name=DEFAULT_GROUP)
         self.superuser.groups.set([group])
         # Sharing is inherited by base intervention for compensation. Therefore configure the interventions share state
-        self.intervention.users.set([])
+        self.intervention.share_with_list([])
 
         success_urls = [
             self.index_url,
@@ -271,7 +271,7 @@ class EcoAccountViewTestCase(CompensationViewTestCase):
         client = Client()
         client.login(username=self.superuser.username, password=self.superuser_pw)
         self.superuser.groups.set([])
-        self.eco_account.users.set([self.superuser])
+        self.eco_account.share_with_list([self.superuser])
 
         # Since the user has no groups, it does not matter that data has been shared. There SHOULD not be any difference
         # to a user without access, since the important permissions are missing
@@ -308,7 +308,7 @@ class EcoAccountViewTestCase(CompensationViewTestCase):
         client = Client()
         client.login(username=self.superuser.username, password=self.superuser_pw)
         self.superuser.groups.set([])
-        self.eco_account.users.set([])
+        self.eco_account.share_with_list([])
 
         # Since the user has no groups, it does not matter that data is unshared. There SHOULD not be any difference
         # to a user having shared access, since all important permissions are missing
@@ -348,7 +348,7 @@ class EcoAccountViewTestCase(CompensationViewTestCase):
         group = self.groups.get(name=DEFAULT_GROUP)
         self.superuser.groups.set([group])
         # Sharing is inherited by base intervention for compensation. Therefore configure the interventions share state
-        self.eco_account.users.set([self.superuser])
+        self.eco_account.share_with_list([self.superuser])
 
         success_urls = [
             self.index_url,
@@ -381,7 +381,7 @@ class EcoAccountViewTestCase(CompensationViewTestCase):
         client.login(username=self.superuser.username, password=self.superuser_pw)
         group = self.groups.get(name=DEFAULT_GROUP)
         self.superuser.groups.set([group])
-        self.eco_account.users.set([])
+        self.eco_account.share_with_list([])
 
         success_urls = [
             self.index_url,
diff --git a/compensation/tests/test_workflow.py b/compensation/tests/test_workflow.py
index 73c728c..d8e8314 100644
--- a/compensation/tests/test_workflow.py
+++ b/compensation/tests/test_workflow.py
@@ -21,7 +21,7 @@ class CompensationWorkflowTestCase(BaseWorkflowTestCase):
         super().setUpTestData()
 
         # Give the user shared access to the dummy intervention -> inherits the access to the compensation
-        cls.intervention.users.add(cls.superuser)
+        cls.intervention.share_with(cls.superuser)
 
         # Make sure the intervention itself would be fine with valid data
         cls.intervention = cls.fill_out_intervention(cls.intervention)
@@ -142,7 +142,7 @@ class EcoAccountWorkflowTestCase(BaseWorkflowTestCase):
 
         # Add user to conservation office group and give shared access to the account
         cls.superuser.groups.add(cls.groups.get(name=ETS_GROUP))
-        cls.eco_account.users.set([cls.superuser])
+        cls.eco_account.share_with_list([cls.superuser])
 
     def test_deductability(self):
         """
@@ -154,7 +154,7 @@ class EcoAccountWorkflowTestCase(BaseWorkflowTestCase):
 
         """
         # Give user shared access to the dummy intervention, which will be needed here
-        self.intervention.users.add(self.superuser)
+        self.intervention.share_with(self.superuser)
 
         # Prepare data for deduction creation
         deduct_url = reverse("compensation:acc-new-deduction", args=(self.eco_account.id,))
diff --git a/compensation/views/eco_account_views.py b/compensation/views/eco_account_views.py
index 83493fa..e9934d4 100644
--- a/compensation/views/eco_account_views.py
+++ b/compensation/views/eco_account_views.py
@@ -616,7 +616,7 @@ def share_view(request: HttpRequest, id: str, token: str):
                 request,
                 _("{} has been shared with you").format(obj.identifier)
             )
-            obj.users.add(user)
+            obj.share_with(user)
         return redirect("compensation:acc-detail", id=id)
     else:
         messages.error(
diff --git a/ema/forms.py b/ema/forms.py
index 7fd42a5..44d186c 100644
--- a/ema/forms.py
+++ b/ema/forms.py
@@ -83,7 +83,7 @@ class NewEmaForm(AbstractCompensationForm, CompensationResponsibleFormMixin):
             acc.fundings.set(fundings)
 
             # Add the creating user to the list of shared users
-            acc.users.add(user)
+            acc.share_with(user)
 
             # Add the log entry to the main objects log list
             acc.log.add(action)
diff --git a/ema/tests/test_views.py b/ema/tests/test_views.py
index 0ab54e0..07d761c 100644
--- a/ema/tests/test_views.py
+++ b/ema/tests/test_views.py
@@ -97,7 +97,7 @@ class EmaViewTestCase(CompensationViewTestCase):
 
         # Sharing does not have any effect in here, since the default group will prohibit further functionality access
         # to this user
-        self.ema.users.set([self.superuser])
+        self.ema.share_with_list([self.superuser])
 
         success_urls = [
             self.index_url,
@@ -143,7 +143,7 @@ class EmaViewTestCase(CompensationViewTestCase):
 
         # Sharing does not have any effect in here, since the default group will prohibit further functionality access
         # to this user
-        self.ema.users.set([])
+        self.ema.share_with_list([])
 
         success_urls = [
             self.index_url,
@@ -182,7 +182,7 @@ class EmaViewTestCase(CompensationViewTestCase):
         groups = self.groups.filter(Q(name=ETS_GROUP)|Q(name=DEFAULT_GROUP))
         self.superuser.groups.set(groups)
         # Sharing is inherited by base intervention for compensation. Therefore configure the interventions share state
-        self.ema.users.set([self.superuser])
+        self.ema.share_with_list([self.superuser])
 
         success_urls = [
             self.index_url,
@@ -218,7 +218,7 @@ class EmaViewTestCase(CompensationViewTestCase):
         groups = self.groups.filter(Q(name=ETS_GROUP)|Q(name=DEFAULT_GROUP))
         self.superuser.groups.set(groups)
         # Sharing is inherited by base intervention for compensation. Therefore configure the interventions share state
-        self.ema.users.set([])
+        self.ema.share_with_list([])
 
         success_urls = [
             self.index_url,
diff --git a/ema/views.py b/ema/views.py
index 30b7d09..496c55b 100644
--- a/ema/views.py
+++ b/ema/views.py
@@ -521,7 +521,7 @@ def share_view(request: HttpRequest, id: str, token: str):
                 request,
                 _("{} has been shared with you").format(obj.identifier)
             )
-            obj.users.add(user)
+            obj.share_with(user)
         return redirect("ema:detail", id=id)
     else:
         messages.error(
diff --git a/intervention/forms/forms.py b/intervention/forms/forms.py
index 67a58a4..d1c4043 100644
--- a/intervention/forms/forms.py
+++ b/intervention/forms/forms.py
@@ -255,7 +255,7 @@ class NewInterventionForm(BaseForm):
             intervention.log.add(action)
 
             # Add the performing user as the first user having access to the data
-            intervention.users.add(user)
+            intervention.share_with(user)
         return intervention
 
 
diff --git a/intervention/forms/modalForms.py b/intervention/forms/modalForms.py
index 6ef384a..fe24efa 100644
--- a/intervention/forms/modalForms.py
+++ b/intervention/forms/modalForms.py
@@ -99,7 +99,7 @@ class ShareInterventionModalForm(BaseModalForm):
         accessing_users = User.objects.filter(
             id__in=self.cleaned_data["users"]
         )
-        self.instance.users.set(accessing_users)
+        self.instance.share_with_list(accessing_users)
 
 
 class NewRevocationModalForm(BaseModalForm):
diff --git a/intervention/models.py b/intervention/models.py
index 304869b..47d3a58 100644
--- a/intervention/models.py
+++ b/intervention/models.py
@@ -323,7 +323,6 @@ class Intervention(BaseObject, ShareableObject, RecordableObject, CheckableObjec
             comp.log.add(log_entry)
 
 
-
 class InterventionDocument(AbstractDocument):
     """
     Specializes document upload for an intervention with certain path
diff --git a/intervention/tests/test_views.py b/intervention/tests/test_views.py
index 62f8d33..23da913 100644
--- a/intervention/tests/test_views.py
+++ b/intervention/tests/test_views.py
@@ -116,7 +116,7 @@ class InterventionViewTestCase(BaseViewTestCase):
         # Add user to default group
         default_group = Group.objects.get(name=DEFAULT_GROUP)
         self.superuser.groups.set([default_group])
-        self.intervention.users.set([self.superuser])
+        self.intervention.share_with_list([self.superuser])
 
         success_urls = [
             self.index_url,
@@ -156,7 +156,7 @@ class InterventionViewTestCase(BaseViewTestCase):
         # Add user to default group
         default_group = Group.objects.get(name=DEFAULT_GROUP)
         self.superuser.groups.set([default_group])
-        self.intervention.users.set([])
+        self.intervention.share_with_list([])
 
         success_urls = [
             self.index_url,
@@ -196,7 +196,7 @@ class InterventionViewTestCase(BaseViewTestCase):
         # Add user to zb group
         zb_group = self.groups.get(name=ZB_GROUP)
         self.superuser.groups.set([zb_group])
-        self.intervention.users.set([self.superuser])
+        self.intervention.share_with_list([self.superuser])
 
         success_urls = [
             self.index_url,
@@ -236,7 +236,7 @@ class InterventionViewTestCase(BaseViewTestCase):
         # Add user to zb group
         zb_group = self.groups.get(name=ZB_GROUP)
         self.superuser.groups.set([zb_group])
-        self.intervention.users.set([])
+        self.intervention.share_with_list([])
 
         success_urls = [
             self.index_url,
@@ -276,7 +276,7 @@ class InterventionViewTestCase(BaseViewTestCase):
         # Add user to ets group
         ets_group = Group.objects.get(name=ETS_GROUP)
         self.superuser.groups.set([ets_group])
-        self.intervention.users.set([self.superuser])
+        self.intervention.share_with_list([self.superuser])
 
         success_urls = [
             self.index_url,
@@ -316,7 +316,7 @@ class InterventionViewTestCase(BaseViewTestCase):
         # Add user to default group
         ets_group = Group.objects.get(name=ETS_GROUP)
         self.superuser.groups.set([ets_group])
-        self.intervention.users.set([])
+        self.intervention.share_with_list([])
 
         success_urls = [
             self.index_url,
diff --git a/intervention/tests/test_workflow.py b/intervention/tests/test_workflow.py
index 9fa0307..d0f3a83 100644
--- a/intervention/tests/test_workflow.py
+++ b/intervention/tests/test_workflow.py
@@ -26,8 +26,7 @@ class InterventionWorkflowTestCase(BaseWorkflowTestCase):
     def setUpTestData(cls):
         super().setUpTestData()
 
-        # Give the user shared access to the dummy intervention
-        cls.intervention.users.add(cls.superuser)
+        cls.intervention.share_with(cls.superuser)
 
     def test_new(self):
         """
@@ -312,7 +311,7 @@ class InterventionWorkflowTestCase(BaseWorkflowTestCase):
 
         # Now restore the deductable surface to a valid size back again but remove the user from the shared list
         self.eco_account.deductable_surface = test_surface + 100.00
-        self.eco_account.users.set([])
+        self.eco_account.share_with_list([])
         self.eco_account.save()
 
         # Now perform the (expected) failing request (again)
@@ -323,7 +322,7 @@ class InterventionWorkflowTestCase(BaseWorkflowTestCase):
         self.assertEqual(num_deductions_total, EcoAccountDeduction.objects.count())
 
         # Restore the sharing but remove the recording state
-        self.eco_account.users.set([self.superuser])
+        self.eco_account.share_with_list([self.superuser])
         self.eco_account.recorded.delete()
         self.eco_account.refresh_from_db()
         self.eco_account.save()
@@ -354,7 +353,7 @@ class InterventionWorkflowTestCase(BaseWorkflowTestCase):
                 action=UserAction.RECORDED
             )
             self.eco_account.recorded = rec_action
-        self.eco_account.users.set([self.superuser])
+        self.eco_account.share_with_list([self.superuser])
         self.eco_account.save()
 
         # Run the request
diff --git a/intervention/views.py b/intervention/views.py
index a1e45ce..a535d75 100644
--- a/intervention/views.py
+++ b/intervention/views.py
@@ -378,7 +378,7 @@ def share_view(request: HttpRequest, id: str, token: str):
                 request,
                 _("{} has been shared with you").format(intervention.identifier)
             )
-            intervention.users.add(user)
+            intervention.share_with(user)
         return redirect("intervention:detail", id=id)
     else:
         messages.error(
diff --git a/konova/models.py b/konova/models.py
index 7acf0ba..cc836a2 100644
--- a/konova/models.py
+++ b/konova/models.py
@@ -155,6 +155,29 @@ class BaseObject(BaseResource):
         else:
             return User.objects.none()
 
+    def share_with(self, user: User):
+        """ Adds user to list of shared access users
+
+        Args:
+            user (User): The user to be added to the object
+
+        Returns:
+
+        """
+        if not self.is_shared_with(user):
+            self.users.add(user)
+
+    def share_with_list(self, user_list: list):
+        """ Sets the list of shared access users
+
+        Args:
+            user_list (list): The users to be added to the object
+
+        Returns:
+
+        """
+        self.users.set(user_list)
+
     def generate_new_identifier(self) -> str:
         """ Generates a new identifier for the intervention object