diff --git a/changelogs/fragments/1182-fix-contact-groups.yml b/changelogs/fragments/1182-fix-contact-groups.yml
new file mode 100644
index 000000000..f82b69e31
--- /dev/null
+++ b/changelogs/fragments/1182-fix-contact-groups.yml
@@ -0,0 +1,3 @@
+minor_changes:
+  - Change `netbox_contact.contact_group` to `contact_groups`
+  - Add integration tests for contact groups
diff --git a/plugins/module_utils/netbox_tenancy.py b/plugins/module_utils/netbox_tenancy.py
index b593d98bd..6b5c97577 100644
--- a/plugins/module_utils/netbox_tenancy.py
+++ b/plugins/module_utils/netbox_tenancy.py
@@ -107,9 +107,27 @@ def run(self):
 
         data = self.data
 
+        # In Netbox 4.3, Contact.contact_group was changed to contact_groups.
+        # We need to check that the correct field is being used.
+        if self.endpoint == NB_CONTACTS:
+            if data.get("groups"):
+                if not self._version_check_greater(
+                    self.version, "4.3", greater_or_equal=True
+                ):
+                    raise Exception(
+                        f"contact_groups is not available in Netbox {self.version}. Use contact_group instead, or upgrade to Netbox 4.3 or greater."
+                    )
+            if data.get("group"):
+                if self._version_check_greater(
+                    self.version, "4.3", greater_or_equal=True
+                ):
+                    raise Exception(
+                        f"contact_group is not available in Netbox {self.version}. Use contact_groups instead."
+                    )
+
         # For ease and consistency of use, the contact assignment module takes the name of the contact, role, and target object rather than an ID or slug.
         # We must massage the data a bit by looking up the ID corresponding to the given name so that we can pass the ID to the API.
-        if self.endpoint == "contact_assignments":
+        if self.endpoint == NB_CONTACT_ASSIGNMENTS:
             # Not an identifier, just to populate the message field
             name = f"{data['contact']} -> {data['object_name']}"
 
diff --git a/plugins/module_utils/netbox_utils.py b/plugins/module_utils/netbox_utils.py
index 271cfefbe..b44bcefd3 100644
--- a/plugins/module_utils/netbox_utils.py
+++ b/plugins/module_utils/netbox_utils.py
@@ -159,7 +159,7 @@
     cluster_type="slug",
     config_context="name",
     config_template="name",
-    contact_group="name",
+    contact_groups="name",
     contact_role="name",
     custom_field="name",
     choice_set="name",
@@ -251,7 +251,8 @@
     "component": "interfaces",
     "config_context": "config_contexts",
     "config_template": "config_templates",
-    "contact_groups": "contact_groups",
+    "contact_group": "contact_groups",  # Netbox version <4.3
+    "contact_groups": "contact_groups",  # Netbox version >=4.3
     "choice_set": "custom_field_choice_sets",
     "dcim.consoleport": "console_ports",
     "dcim.consoleserverport": "console_server_ports",
@@ -652,7 +653,8 @@
     "cluster_type": "type",
     "cluster_group": "group",
     "component": "component_id",
-    "contact_group": "group",
+    "contact_group": "group",  # Netbox version <4.3
+    "contact_groups": "groups",  # Netbox version >=4.3
     "device_role": "role",
     "fhrp_group": "group",
     "inventory_item_role": "role",
diff --git a/plugins/modules/netbox_contact.py b/plugins/modules/netbox_contact.py
index a89cd59c1..c76a10511 100644
--- a/plugins/modules/netbox_contact.py
+++ b/plugins/modules/netbox_contact.py
@@ -67,9 +67,15 @@
         type: str
       contact_group:
         description:
-          - Group assignment for the contact
+          - Group that the contact belongs to. Only available in Netbox version <4.3
         required: false
         type: raw
+      contact_groups:
+        description:
+          - Groups that the contact belongs to. Only available in Netbox versions >=4.3
+        required: false
+        type: list
+        elements: raw
       link:
         description:
           - URL associated with the contact
@@ -121,6 +127,9 @@
           title: Mr Contact
           phone: 123456789
           email: contac@contact.com
+          contact_groups:
+            - Group 1
+            - Group 2
           tags:
             - tagA
             - tagB
@@ -169,6 +178,7 @@ def main():
                     description=dict(required=False, type="str"),
                     comments=dict(required=False, type="str"),
                     contact_group=dict(required=False, type="raw"),
+                    contact_groups=dict(required=False, type="list", elements="raw"),
                     link=dict(required=False, type="str"),
                     tags=dict(required=False, type="list", elements="raw"),
                     custom_fields=dict(required=False, type="dict"),
diff --git a/plugins/modules/netbox_virtual_machine.py b/plugins/modules/netbox_virtual_machine.py
index b321cc069..e8a0999da 100644
--- a/plugins/modules/netbox_virtual_machine.py
+++ b/plugins/modules/netbox_virtual_machine.py
@@ -196,7 +196,7 @@
 """
 
 RETURN = r"""
-virtual machine:
+virtual_machine:
   description: Serialized object as created or already existent within NetBox
   returned: success (when I(state=present))
   type: dict
diff --git a/tests/integration/targets/v4.0/tasks/main.yml b/tests/integration/targets/v4.0/tasks/main.yml
index f229a24a9..d4f5664ba 100644
--- a/tests/integration/targets/v4.0/tasks/main.yml
+++ b/tests/integration/targets/v4.0/tasks/main.yml
@@ -23,6 +23,15 @@
 - name: NETBOX_CONTACT TESTS
   ansible.builtin.include_tasks: netbox_contact.yml
 
+- name: NETBOX_CONTACT_GROUP TESTS
+  ansible.builtin.include_tasks:
+    file: netbox_contact_group.yml
+    apply:
+      tags:
+        - netbox_contact_group
+  tags:
+    - netbox_contact_group
+
 - name: NETBOX_CONTACT_ROLE TESTS
   ansible.builtin.include_tasks: netbox_contact_role.yml
 
diff --git a/tests/integration/targets/v4.0/tasks/netbox_contact.yml b/tests/integration/targets/v4.0/tasks/netbox_contact.yml
index f5ede9c1a..6403e808a 100644
--- a/tests/integration/targets/v4.0/tasks/netbox_contact.yml
+++ b/tests/integration/targets/v4.0/tasks/netbox_contact.yml
@@ -98,3 +98,46 @@
       - test_five['contact']['phone'] == "12345678"
       - test_five['contact']['tags'] | length == 3
       - test_five['msg'] == "contact Contact ABC created"
+
+- name: 6 Setup - Create contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group With Contacts
+  register: test_group
+
+- name: 6 - Create contact with contact group
+  netbox.netbox.netbox_contact:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Grouped Contact 1
+      contact_group: Contact Group With Contacts
+  register: test_six
+
+- name: 6 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_six is changed
+      - test_six['diff']['before']['state'] == "absent"
+      - test_six['diff']['after']['state'] == "present"
+      - test_six['contact']['name'] == "Grouped Contact 1"
+      - test_six['contact']['group'] == test_group['contact_group']['id']
+      - test_six['msg'] == "contact Grouped Contact 1 created"
+
+- name: 7 - Try to create contact using contact_groups
+  netbox.netbox.netbox_contact:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Grouped Contact 2
+      contact_groups:
+        - Contact Group With Contacts
+  register: test_seven
+  ignore_errors: true
+
+- name: 7 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - "'contact_groups is not available in Netbox 4.0. Use contact_group instead, or upgrade to Netbox 4.3 or greater.' in test_seven['module_stderr']"
diff --git a/tests/integration/targets/v4.0/tasks/netbox_contact_group.yml b/tests/integration/targets/v4.0/tasks/netbox_contact_group.yml
new file mode 100644
index 000000000..090d880a0
--- /dev/null
+++ b/tests/integration/targets/v4.0/tasks/netbox_contact_group.yml
@@ -0,0 +1,119 @@
+---
+##
+##
+### NETBOX_CONTACT_GROUP
+##
+##
+- name: 1 - Test contact group creation
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+  register: test_one
+
+- name: 1 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_one is changed
+      - test_one['diff']['before']['state'] == "absent"
+      - test_one['diff']['after']['state'] == "present"
+      - test_one['contact_group']['name'] == "Contact Group 1"
+      - test_one['msg'] == "contact_group Contact Group 1 created"
+
+- name: Test duplicate contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+  register: test_two
+
+- name: 2 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - not test_two['changed']
+      - test_two['contact_group']['name'] == "Contact Group 1"
+      - test_two['msg'] == "contact_group Contact Group 1 already exists"
+
+- name: 3 - Test update
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+      description: The first contact group
+  register: test_three
+
+- name: 3 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_three is changed
+      - test_three['diff']['after']['description'] == "The first contact group"
+      - test_three['contact_group']['name'] == "Contact Group 1"
+      - test_three['contact_group']['description'] == "The first contact group"
+      - test_three['msg'] == "contact_group Contact Group 1 updated"
+
+- name: 4 - Test delete
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+    state: absent
+  register: test_four
+
+- name: 4 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_four is changed
+      - test_four['diff']['before']['state'] == "present"
+      - test_four['diff']['after']['state'] == "absent"
+      - test_four['msg'] == "contact_group Contact Group 1 deleted"
+
+- name: 5 - Create contact group with all parameters
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group Parent
+      slug: the-parent-contact-group
+      description: The parent contact group
+      tags:
+        - tagA
+        - tagB
+        - tagC
+    state: present
+  register: test_five
+
+- name: 5 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_five is changed
+      - test_five['diff']['before']['state'] == "absent"
+      - test_five['diff']['after']['state'] == "present"
+      - test_five['contact_group']['name'] == "Contact Group Parent"
+      - test_five['contact_group']['slug'] == "the-parent-contact-group"
+      - test_five['contact_group']['description'] == "The parent contact group"
+      - test_five['contact_group']['tags'] | length == 3
+      - test_five['msg'] == "contact_group Contact Group Parent created"
+
+- name: 6 - Create contact group with parent contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group Child
+      parent_contact_group: Contact Group Parent
+    state: present
+  register: test_six
+
+- name: 6 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_six is changed
+      - test_six['diff']['before']['state'] == "absent"
+      - test_six['diff']['after']['state'] == "present"
+      - test_six['contact_group']['name'] == "Contact Group Child"
+      - test_six['contact_group']['parent'] == test_five['contact_group']['id']
+      - test_six['msg'] == "contact_group Contact Group Child created"
diff --git a/tests/integration/targets/v4.1/tasks/main.yml b/tests/integration/targets/v4.1/tasks/main.yml
index 1d56afb98..4914837a3 100644
--- a/tests/integration/targets/v4.1/tasks/main.yml
+++ b/tests/integration/targets/v4.1/tasks/main.yml
@@ -23,6 +23,15 @@
 - name: NETBOX_CONTACT TESTS
   ansible.builtin.include_tasks: netbox_contact.yml
 
+- name: NETBOX_CONTACT_GROUP TESTS
+  ansible.builtin.include_tasks:
+    file: netbox_contact_group.yml
+    apply:
+      tags:
+        - netbox_contact_group
+  tags:
+    - netbox_contact_group
+
 - name: NETBOX_CONTACT_ROLE TESTS
   ansible.builtin.include_tasks: netbox_contact_role.yml
 
diff --git a/tests/integration/targets/v4.1/tasks/netbox_contact.yml b/tests/integration/targets/v4.1/tasks/netbox_contact.yml
index f5ede9c1a..291bd6f04 100644
--- a/tests/integration/targets/v4.1/tasks/netbox_contact.yml
+++ b/tests/integration/targets/v4.1/tasks/netbox_contact.yml
@@ -98,3 +98,46 @@
       - test_five['contact']['phone'] == "12345678"
       - test_five['contact']['tags'] | length == 3
       - test_five['msg'] == "contact Contact ABC created"
+
+- name: 6 Setup - Create contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group With Contacts
+  register: test_group
+
+- name: 6 - Create contact with contact group
+  netbox.netbox.netbox_contact:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Grouped Contact 1
+      contact_group: Contact Group With Contacts
+  register: test_six
+
+- name: 6 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_six is changed
+      - test_six['diff']['before']['state'] == "absent"
+      - test_six['diff']['after']['state'] == "present"
+      - test_six['contact']['name'] == "Grouped Contact 1"
+      - test_six['contact']['group'] == test_group['contact_group']['id']
+      - test_six['msg'] == "contact Grouped Contact 1 created"
+
+- name: 7 - Try to create contact using contact_groups
+  netbox.netbox.netbox_contact:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Grouped Contact 2
+      contact_groups:
+        - Contact Group With Contacts
+  register: test_seven
+  ignore_errors: true
+
+- name: 7 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - "'contact_groups is not available in Netbox 4.1. Use contact_group instead, or upgrade to Netbox 4.3 or greater.' in test_seven['module_stderr']"
diff --git a/tests/integration/targets/v4.1/tasks/netbox_contact_group.yml b/tests/integration/targets/v4.1/tasks/netbox_contact_group.yml
new file mode 100644
index 000000000..090d880a0
--- /dev/null
+++ b/tests/integration/targets/v4.1/tasks/netbox_contact_group.yml
@@ -0,0 +1,119 @@
+---
+##
+##
+### NETBOX_CONTACT_GROUP
+##
+##
+- name: 1 - Test contact group creation
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+  register: test_one
+
+- name: 1 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_one is changed
+      - test_one['diff']['before']['state'] == "absent"
+      - test_one['diff']['after']['state'] == "present"
+      - test_one['contact_group']['name'] == "Contact Group 1"
+      - test_one['msg'] == "contact_group Contact Group 1 created"
+
+- name: Test duplicate contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+  register: test_two
+
+- name: 2 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - not test_two['changed']
+      - test_two['contact_group']['name'] == "Contact Group 1"
+      - test_two['msg'] == "contact_group Contact Group 1 already exists"
+
+- name: 3 - Test update
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+      description: The first contact group
+  register: test_three
+
+- name: 3 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_three is changed
+      - test_three['diff']['after']['description'] == "The first contact group"
+      - test_three['contact_group']['name'] == "Contact Group 1"
+      - test_three['contact_group']['description'] == "The first contact group"
+      - test_three['msg'] == "contact_group Contact Group 1 updated"
+
+- name: 4 - Test delete
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+    state: absent
+  register: test_four
+
+- name: 4 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_four is changed
+      - test_four['diff']['before']['state'] == "present"
+      - test_four['diff']['after']['state'] == "absent"
+      - test_four['msg'] == "contact_group Contact Group 1 deleted"
+
+- name: 5 - Create contact group with all parameters
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group Parent
+      slug: the-parent-contact-group
+      description: The parent contact group
+      tags:
+        - tagA
+        - tagB
+        - tagC
+    state: present
+  register: test_five
+
+- name: 5 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_five is changed
+      - test_five['diff']['before']['state'] == "absent"
+      - test_five['diff']['after']['state'] == "present"
+      - test_five['contact_group']['name'] == "Contact Group Parent"
+      - test_five['contact_group']['slug'] == "the-parent-contact-group"
+      - test_five['contact_group']['description'] == "The parent contact group"
+      - test_five['contact_group']['tags'] | length == 3
+      - test_five['msg'] == "contact_group Contact Group Parent created"
+
+- name: 6 - Create contact group with parent contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group Child
+      parent_contact_group: Contact Group Parent
+    state: present
+  register: test_six
+
+- name: 6 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_six is changed
+      - test_six['diff']['before']['state'] == "absent"
+      - test_six['diff']['after']['state'] == "present"
+      - test_six['contact_group']['name'] == "Contact Group Child"
+      - test_six['contact_group']['parent'] == test_five['contact_group']['id']
+      - test_six['msg'] == "contact_group Contact Group Child created"
diff --git a/tests/integration/targets/v4.2/tasks/main.yml b/tests/integration/targets/v4.2/tasks/main.yml
index 33ce77bcf..c37909af6 100644
--- a/tests/integration/targets/v4.2/tasks/main.yml
+++ b/tests/integration/targets/v4.2/tasks/main.yml
@@ -71,6 +71,15 @@
   tags:
     - netbox_contact
 
+- name: NETBOX_CONTACT_GROUP TESTS
+  ansible.builtin.include_tasks:
+    file: netbox_contact_group.yml
+    apply:
+      tags:
+        - netbox_contact_group
+  tags:
+    - netbox_contact_group
+
 - name: NETBOX_CONTACT_ROLE TESTS
   ansible.builtin.include_tasks:
     file: netbox_contact_role.yml
diff --git a/tests/integration/targets/v4.2/tasks/netbox_contact.yml b/tests/integration/targets/v4.2/tasks/netbox_contact.yml
index f5ede9c1a..75f5f1719 100644
--- a/tests/integration/targets/v4.2/tasks/netbox_contact.yml
+++ b/tests/integration/targets/v4.2/tasks/netbox_contact.yml
@@ -98,3 +98,46 @@
       - test_five['contact']['phone'] == "12345678"
       - test_five['contact']['tags'] | length == 3
       - test_five['msg'] == "contact Contact ABC created"
+
+- name: 6 Setup - Create contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group With Contacts
+  register: test_group
+
+- name: 6 - Create contact with contact group
+  netbox.netbox.netbox_contact:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Grouped Contact 1
+      contact_group: Contact Group With Contacts
+  register: test_six
+
+- name: 6 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_six is changed
+      - test_six['diff']['before']['state'] == "absent"
+      - test_six['diff']['after']['state'] == "present"
+      - test_six['contact']['name'] == "Grouped Contact 1"
+      - test_six['contact']['group'] == test_group['contact_group']['id']
+      - test_six['msg'] == "contact Grouped Contact 1 created"
+
+- name: 7 - Try to create contact using contact_groups
+  netbox.netbox.netbox_contact:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Grouped Contact 2
+      contact_groups:
+        - Contact Group With Contacts
+  register: test_seven
+  ignore_errors: true
+
+- name: 7 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - "'contact_groups is not available in Netbox 4.2. Use contact_group instead, or upgrade to Netbox 4.3 or greater.' in test_seven['module_stderr']"
diff --git a/tests/integration/targets/v4.2/tasks/netbox_contact_group.yml b/tests/integration/targets/v4.2/tasks/netbox_contact_group.yml
new file mode 100644
index 000000000..090d880a0
--- /dev/null
+++ b/tests/integration/targets/v4.2/tasks/netbox_contact_group.yml
@@ -0,0 +1,119 @@
+---
+##
+##
+### NETBOX_CONTACT_GROUP
+##
+##
+- name: 1 - Test contact group creation
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+  register: test_one
+
+- name: 1 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_one is changed
+      - test_one['diff']['before']['state'] == "absent"
+      - test_one['diff']['after']['state'] == "present"
+      - test_one['contact_group']['name'] == "Contact Group 1"
+      - test_one['msg'] == "contact_group Contact Group 1 created"
+
+- name: Test duplicate contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+  register: test_two
+
+- name: 2 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - not test_two['changed']
+      - test_two['contact_group']['name'] == "Contact Group 1"
+      - test_two['msg'] == "contact_group Contact Group 1 already exists"
+
+- name: 3 - Test update
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+      description: The first contact group
+  register: test_three
+
+- name: 3 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_three is changed
+      - test_three['diff']['after']['description'] == "The first contact group"
+      - test_three['contact_group']['name'] == "Contact Group 1"
+      - test_three['contact_group']['description'] == "The first contact group"
+      - test_three['msg'] == "contact_group Contact Group 1 updated"
+
+- name: 4 - Test delete
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+    state: absent
+  register: test_four
+
+- name: 4 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_four is changed
+      - test_four['diff']['before']['state'] == "present"
+      - test_four['diff']['after']['state'] == "absent"
+      - test_four['msg'] == "contact_group Contact Group 1 deleted"
+
+- name: 5 - Create contact group with all parameters
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group Parent
+      slug: the-parent-contact-group
+      description: The parent contact group
+      tags:
+        - tagA
+        - tagB
+        - tagC
+    state: present
+  register: test_five
+
+- name: 5 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_five is changed
+      - test_five['diff']['before']['state'] == "absent"
+      - test_five['diff']['after']['state'] == "present"
+      - test_five['contact_group']['name'] == "Contact Group Parent"
+      - test_five['contact_group']['slug'] == "the-parent-contact-group"
+      - test_five['contact_group']['description'] == "The parent contact group"
+      - test_five['contact_group']['tags'] | length == 3
+      - test_five['msg'] == "contact_group Contact Group Parent created"
+
+- name: 6 - Create contact group with parent contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group Child
+      parent_contact_group: Contact Group Parent
+    state: present
+  register: test_six
+
+- name: 6 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_six is changed
+      - test_six['diff']['before']['state'] == "absent"
+      - test_six['diff']['after']['state'] == "present"
+      - test_six['contact_group']['name'] == "Contact Group Child"
+      - test_six['contact_group']['parent'] == test_five['contact_group']['id']
+      - test_six['msg'] == "contact_group Contact Group Child created"
diff --git a/tests/integration/targets/v4.3/tasks/main.yml b/tests/integration/targets/v4.3/tasks/main.yml
index f6ad8a2ed..ed0745caa 100644
--- a/tests/integration/targets/v4.3/tasks/main.yml
+++ b/tests/integration/targets/v4.3/tasks/main.yml
@@ -80,6 +80,15 @@
   tags:
     - netbox_contact_assignment
 
+- name: NETBOX_CONTACT_GROUP TESTS
+  ansible.builtin.include_tasks:
+    file: netbox_contact_group.yml
+    apply:
+      tags:
+        - netbox_contact_group
+  tags:
+    - netbox_contact_group
+
 - name: NETBOX_CONTACT_ROLE TESTS
   ansible.builtin.include_tasks:
     file: netbox_contact_role.yml
diff --git a/tests/integration/targets/v4.3/tasks/netbox_contact.yml b/tests/integration/targets/v4.3/tasks/netbox_contact.yml
index f5ede9c1a..e62635607 100644
--- a/tests/integration/targets/v4.3/tasks/netbox_contact.yml
+++ b/tests/integration/targets/v4.3/tasks/netbox_contact.yml
@@ -98,3 +98,46 @@
       - test_five['contact']['phone'] == "12345678"
       - test_five['contact']['tags'] | length == 3
       - test_five['msg'] == "contact Contact ABC created"
+
+- name: 6 Setup - Create contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group With Contacts
+  register: test_group
+
+- name: 6 - Create contact with contact group
+  netbox.netbox.netbox_contact:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Grouped Contact 1
+      contact_groups:
+        - Contact Group With Contacts
+  register: test_six
+
+- name: 6 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_six is changed
+      - test_six['diff']['before']['state'] == "absent"
+      - test_six['diff']['after']['state'] == "present"
+      - test_six['contact']['name'] == "Grouped Contact 1"
+      - test_six['contact']['groups'] == [test_group['contact_group']['id']]
+      - test_six['msg'] == "contact Grouped Contact 1 created"
+
+- name: 7 - Try to create contact using contact_group
+  netbox.netbox.netbox_contact:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Grouped Contact 2
+      contact_group: Contact Group With Contacts
+  register: test_seven
+  ignore_errors: true
+
+- name: 7 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - "'contact_group is not available in Netbox 4.3. Use contact_groups instead.' in test_seven['module_stderr']"
diff --git a/tests/integration/targets/v4.3/tasks/netbox_contact_group.yml b/tests/integration/targets/v4.3/tasks/netbox_contact_group.yml
new file mode 100644
index 000000000..090d880a0
--- /dev/null
+++ b/tests/integration/targets/v4.3/tasks/netbox_contact_group.yml
@@ -0,0 +1,119 @@
+---
+##
+##
+### NETBOX_CONTACT_GROUP
+##
+##
+- name: 1 - Test contact group creation
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+  register: test_one
+
+- name: 1 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_one is changed
+      - test_one['diff']['before']['state'] == "absent"
+      - test_one['diff']['after']['state'] == "present"
+      - test_one['contact_group']['name'] == "Contact Group 1"
+      - test_one['msg'] == "contact_group Contact Group 1 created"
+
+- name: Test duplicate contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+  register: test_two
+
+- name: 2 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - not test_two['changed']
+      - test_two['contact_group']['name'] == "Contact Group 1"
+      - test_two['msg'] == "contact_group Contact Group 1 already exists"
+
+- name: 3 - Test update
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+      description: The first contact group
+  register: test_three
+
+- name: 3 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_three is changed
+      - test_three['diff']['after']['description'] == "The first contact group"
+      - test_three['contact_group']['name'] == "Contact Group 1"
+      - test_three['contact_group']['description'] == "The first contact group"
+      - test_three['msg'] == "contact_group Contact Group 1 updated"
+
+- name: 4 - Test delete
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group 1
+    state: absent
+  register: test_four
+
+- name: 4 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_four is changed
+      - test_four['diff']['before']['state'] == "present"
+      - test_four['diff']['after']['state'] == "absent"
+      - test_four['msg'] == "contact_group Contact Group 1 deleted"
+
+- name: 5 - Create contact group with all parameters
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group Parent
+      slug: the-parent-contact-group
+      description: The parent contact group
+      tags:
+        - tagA
+        - tagB
+        - tagC
+    state: present
+  register: test_five
+
+- name: 5 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_five is changed
+      - test_five['diff']['before']['state'] == "absent"
+      - test_five['diff']['after']['state'] == "present"
+      - test_five['contact_group']['name'] == "Contact Group Parent"
+      - test_five['contact_group']['slug'] == "the-parent-contact-group"
+      - test_five['contact_group']['description'] == "The parent contact group"
+      - test_five['contact_group']['tags'] | length == 3
+      - test_five['msg'] == "contact_group Contact Group Parent created"
+
+- name: 6 - Create contact group with parent contact group
+  netbox.netbox.netbox_contact_group:
+    netbox_url: http://localhost:32768
+    netbox_token: "0123456789abcdef0123456789abcdef01234567"
+    data:
+      name: Contact Group Child
+      parent_contact_group: Contact Group Parent
+    state: present
+  register: test_six
+
+- name: 6 - ASSERT
+  ansible.builtin.assert:
+    that:
+      - test_six is changed
+      - test_six['diff']['before']['state'] == "absent"
+      - test_six['diff']['after']['state'] == "present"
+      - test_six['contact_group']['name'] == "Contact Group Child"
+      - test_six['contact_group']['parent'] == test_five['contact_group']['id']
+      - test_six['msg'] == "contact_group Contact Group Child created"