diff --git a/prowler/CHANGELOG.md b/prowler/CHANGELOG.md
index 64db6f51f3..d9bba504f0 100644
--- a/prowler/CHANGELOG.md
+++ b/prowler/CHANGELOG.md
@@ -26,6 +26,7 @@ All notable changes to the **Prowler SDK** are documented in this file.
 ### Fixed
 - AWS resource-arn filtering [(#8533)](https://github.com/prowler-cloud/prowler/pull/8533)
 - GitHub App authentication for GitHub provider [(#8529)](https://github.com/prowler-cloud/prowler/pull/8529)
+- List all accessible organizations in GitHub provider [(#8535)](https://github.com/prowler-cloud/prowler/pull/8535)
 
 ---
 
diff --git a/prowler/providers/github/services/organization/organization_service.py b/prowler/providers/github/services/organization/organization_service.py
index cf57f2c799..9bbc5f2671 100644
--- a/prowler/providers/github/services/organization/organization_service.py
+++ b/prowler/providers/github/services/organization/organization_service.py
@@ -5,6 +5,7 @@ from pydantic.v1 import BaseModel
 
 from prowler.lib.logger import logger
 from prowler.providers.github.lib.service.service import GithubService
+from prowler.providers.github.models import GithubAppIdentityInfo, GithubIdentityInfo
 
 
 class Organization(GithubService):
@@ -113,8 +114,15 @@ class Organization(GithubService):
                 elif not self.provider.repositories:
                     # Default behavior: get all organizations the user is a member of
                     # Only when no repositories are specified
-                    for org in client.get_user().get_orgs():
-                        self._process_organization(org, organizations)
+                    if isinstance(self.provider.identity, GithubIdentityInfo):
+                        orgs = client.get_user().get_orgs()
+                        for org in orgs:
+                            self._process_organization(org, organizations)
+                    elif isinstance(self.provider.identity, GithubAppIdentityInfo):
+                        orgs = client.get_organizations()
+                        if orgs.totalCount > 0:
+                            for org in orgs:
+                                self._process_organization(org, organizations)
 
         except github.RateLimitExceededException as error:
             logger.error(f"GitHub API rate limit exceeded: {error}")
diff --git a/tests/providers/github/services/organization/organization_service_test.py b/tests/providers/github/services/organization/organization_service_test.py
index a51373b8c7..45b85198de 100644
--- a/tests/providers/github/services/organization/organization_service_test.py
+++ b/tests/providers/github/services/organization/organization_service_test.py
@@ -63,7 +63,12 @@ class Test_Organization_Scoping:
 
         mock_client = MagicMock()
         mock_user = MagicMock()
-        mock_user.get_orgs.return_value = [self.mock_org1, self.mock_org2]
+        mock_orgs = MagicMock()
+        mock_orgs.totalCount = 2
+        mock_orgs.__iter__ = MagicMock(
+            return_value=iter([self.mock_org1, self.mock_org2])
+        )
+        mock_user.get_orgs.return_value = mock_orgs
         mock_client.get_user.return_value = mock_user
 
         with patch(
@@ -81,6 +86,95 @@ class Test_Organization_Scoping:
             assert orgs[1].name == "test-org1"
             assert orgs[2].name == "test-org2"
 
+    def test_no_organizations_found_for_user(self):
+        """Test that when user has no organizations, empty dict is returned"""
+        provider = set_mocked_github_provider()
+        provider.repositories = []
+        provider.organizations = []
+
+        mock_client = MagicMock()
+        mock_user = MagicMock()
+        mock_orgs = MagicMock()
+        mock_orgs.totalCount = 0
+        mock_user.get_orgs.return_value = mock_orgs
+        mock_client.get_user.return_value = mock_user
+
+        with patch(
+            "prowler.providers.github.services.organization.organization_service.GithubService.__init__"
+        ):
+            organization_service = Organization(provider)
+            organization_service.clients = [mock_client]
+            organization_service.provider = provider
+
+            orgs = organization_service._list_organizations()
+
+            assert len(orgs) == 0
+
+    def test_github_app_organization_scoping(self):
+        """Test GitHub App organization listing"""
+        from prowler.providers.github.models import GithubAppIdentityInfo
+
+        provider = set_mocked_github_provider()
+        provider.repositories = []
+        provider.organizations = []
+        # Set GitHub App identity
+        provider.identity = GithubAppIdentityInfo(
+            app_id="test-app-id",
+            app_name="test-app",
+            installations=["test-org1", "test-org2"],
+        )
+
+        mock_client = MagicMock()
+        mock_orgs = MagicMock()
+        mock_orgs.totalCount = 2
+        mock_orgs.__iter__ = MagicMock(
+            return_value=iter([self.mock_org1, self.mock_org2])
+        )
+        mock_client.get_organizations.return_value = mock_orgs
+
+        with patch(
+            "prowler.providers.github.services.organization.organization_service.GithubService.__init__"
+        ):
+            organization_service = Organization(provider)
+            organization_service.clients = [mock_client]
+            organization_service.provider = provider
+
+            orgs = organization_service._list_organizations()
+
+            assert len(orgs) == 2
+            assert 1 in orgs
+            assert 2 in orgs
+            assert orgs[1].name == "test-org1"
+            assert orgs[2].name == "test-org2"
+
+    def test_github_app_no_organizations_found(self):
+        """Test GitHub App when no organizations are accessible"""
+        from prowler.providers.github.models import GithubAppIdentityInfo
+
+        provider = set_mocked_github_provider()
+        provider.repositories = []
+        provider.organizations = []
+        # Set GitHub App identity
+        provider.identity = GithubAppIdentityInfo(
+            app_id="test-app-id", app_name="test-app", installations=[]
+        )
+
+        mock_client = MagicMock()
+        mock_orgs = MagicMock()
+        mock_orgs.totalCount = 0
+        mock_client.get_organizations.return_value = mock_orgs
+
+        with patch(
+            "prowler.providers.github.services.organization.organization_service.GithubService.__init__"
+        ):
+            organization_service = Organization(provider)
+            organization_service.clients = [mock_client]
+            organization_service.provider = provider
+
+            orgs = organization_service._list_organizations()
+
+            assert len(orgs) == 0
+
     def test_specific_organization_scoping(self):
         """Test that only specified organizations are returned"""
         provider = set_mocked_github_provider()