diff --git a/openhands/integrations/azure_devops/azure_devops_service.py b/openhands/integrations/azure_devops/azure_devops_service.py
index 8d719cbb54..e93bd650c9 100644
--- a/openhands/integrations/azure_devops/azure_devops_service.py
+++ b/openhands/integrations/azure_devops/azure_devops_service.py
@@ -28,7 +28,7 @@ from openhands.integrations.service_types import (
 from openhands.utils.import_utils import get_impl
 
 
-class AzureDevOpsServiceImpl(
+class AzureDevOpsService(
     AzureDevOpsResolverMixin,
     AzureDevOpsReposMixin,
     AzureDevOpsBranchesMixin,
@@ -242,8 +242,34 @@ class AzureDevOpsServiceImpl(
 # Dynamic class loading to support custom implementations (e.g., SaaS)
 azure_devops_service_cls = os.environ.get(
     'OPENHANDS_AZURE_DEVOPS_SERVICE_CLS',
-    'openhands.integrations.azure_devops.azure_devops_service.AzureDevOpsServiceImpl',
-)
-AzureDevOpsServiceImpl = get_impl(  # type: ignore[misc]
-    AzureDevOpsServiceImpl, azure_devops_service_cls
+    'openhands.integrations.azure_devops.azure_devops_service.AzureDevOpsService',
 )
+
+# Lazy loading to avoid circular imports
+_azure_devops_service_impl = None
+
+
+def get_azure_devops_service_impl():
+    """Get the Azure DevOps service implementation with lazy loading."""
+    global _azure_devops_service_impl
+    if _azure_devops_service_impl is None:
+        _azure_devops_service_impl = get_impl(  # type: ignore[misc]
+            AzureDevOpsService, azure_devops_service_cls
+        )
+    return _azure_devops_service_impl
+
+
+# For backward compatibility, provide the implementation as a property
+class _AzureDevOpsServiceImplProxy:
+    """Proxy class to provide lazy loading for AzureDevOpsServiceImpl."""
+
+    def __getattr__(self, name):
+        impl = get_azure_devops_service_impl()
+        return getattr(impl, name)
+
+    def __call__(self, *args, **kwargs):
+        impl = get_azure_devops_service_impl()
+        return impl(*args, **kwargs)
+
+
+AzureDevOpsServiceImpl: type[AzureDevOpsService] = _AzureDevOpsServiceImplProxy()  # type: ignore[assignment]
diff --git a/openhands/integrations/bitbucket/bitbucket_service.py b/openhands/integrations/bitbucket/bitbucket_service.py
index da9de96873..8d7eb48e81 100644
--- a/openhands/integrations/bitbucket/bitbucket_service.py
+++ b/openhands/integrations/bitbucket/bitbucket_service.py
@@ -64,4 +64,30 @@ bitbucket_service_cls = os.environ.get(
     'OPENHANDS_BITBUCKET_SERVICE_CLS',
     'openhands.integrations.bitbucket.bitbucket_service.BitBucketService',
 )
-BitBucketServiceImpl = get_impl(BitBucketService, bitbucket_service_cls)
+
+# Lazy loading to avoid circular imports
+_bitbucket_service_impl = None
+
+
+def get_bitbucket_service_impl():
+    """Get the BitBucket service implementation with lazy loading."""
+    global _bitbucket_service_impl
+    if _bitbucket_service_impl is None:
+        _bitbucket_service_impl = get_impl(BitBucketService, bitbucket_service_cls)
+    return _bitbucket_service_impl
+
+
+# For backward compatibility, provide the implementation as a property
+class _BitBucketServiceImplProxy:
+    """Proxy class to provide lazy loading for BitBucketServiceImpl."""
+
+    def __getattr__(self, name):
+        impl = get_bitbucket_service_impl()
+        return getattr(impl, name)
+
+    def __call__(self, *args, **kwargs):
+        impl = get_bitbucket_service_impl()
+        return impl(*args, **kwargs)
+
+
+BitBucketServiceImpl: type[BitBucketService] = _BitBucketServiceImplProxy()  # type: ignore[assignment]
diff --git a/openhands/integrations/github/github_service.py b/openhands/integrations/github/github_service.py
index 4d0eb6080f..c56940a0af 100644
--- a/openhands/integrations/github/github_service.py
+++ b/openhands/integrations/github/github_service.py
@@ -75,4 +75,30 @@ github_service_cls = os.environ.get(
     'OPENHANDS_GITHUB_SERVICE_CLS',
     'openhands.integrations.github.github_service.GitHubService',
 )
-GithubServiceImpl = get_impl(GitHubService, github_service_cls)
+
+# Lazy loading to avoid circular imports
+_github_service_impl = None
+
+
+def get_github_service_impl():
+    """Get the GitHub service implementation with lazy loading."""
+    global _github_service_impl
+    if _github_service_impl is None:
+        _github_service_impl = get_impl(GitHubService, github_service_cls)
+    return _github_service_impl
+
+
+# For backward compatibility, provide the implementation as a property
+class _GitHubServiceImplProxy:
+    """Proxy class to provide lazy loading for GithubServiceImpl."""
+
+    def __getattr__(self, name):
+        impl = get_github_service_impl()
+        return getattr(impl, name)
+
+    def __call__(self, *args, **kwargs):
+        impl = get_github_service_impl()
+        return impl(*args, **kwargs)
+
+
+GithubServiceImpl: type[GitHubService] = _GitHubServiceImplProxy()  # type: ignore[assignment]
diff --git a/openhands/integrations/gitlab/gitlab_service.py b/openhands/integrations/gitlab/gitlab_service.py
index 7c672b7f19..31f0d7929d 100644
--- a/openhands/integrations/gitlab/gitlab_service.py
+++ b/openhands/integrations/gitlab/gitlab_service.py
@@ -79,4 +79,30 @@ gitlab_service_cls = os.environ.get(
     'OPENHANDS_GITLAB_SERVICE_CLS',
     'openhands.integrations.gitlab.gitlab_service.GitLabService',
 )
-GitLabServiceImpl = get_impl(GitLabService, gitlab_service_cls)
+
+# Lazy loading to avoid circular imports
+_gitlab_service_impl = None
+
+
+def get_gitlab_service_impl():
+    """Get the GitLab service implementation with lazy loading."""
+    global _gitlab_service_impl
+    if _gitlab_service_impl is None:
+        _gitlab_service_impl = get_impl(GitLabService, gitlab_service_cls)
+    return _gitlab_service_impl
+
+
+# For backward compatibility, provide the implementation as a property
+class _GitLabServiceImplProxy:
+    """Proxy class to provide lazy loading for GitLabServiceImpl."""
+
+    def __getattr__(self, name):
+        impl = get_gitlab_service_impl()
+        return getattr(impl, name)
+
+    def __call__(self, *args, **kwargs):
+        impl = get_gitlab_service_impl()
+        return impl(*args, **kwargs)
+
+
+GitLabServiceImpl: type[GitLabService] = _GitLabServiceImplProxy()  # type: ignore[assignment]