diff --git a/gapic/schema/api.py b/gapic/schema/api.py
index b05f6b6dec..22f88ed21e 100644
--- a/gapic/schema/api.py
+++ b/gapic/schema/api.py
@@ -114,6 +114,7 @@ def build(
         opts: Options = Options(),
         prior_protos: Optional[Mapping[str, "Proto"]] = None,
         load_services: bool = True,
+        skip_context_analysis: bool = False,
         all_resources: Optional[Mapping[str, wrappers.MessageType]] = None,
     ) -> "Proto":
         """Build and return a Proto instance.
@@ -130,6 +131,8 @@ def build(
             load_services (bool): Toggle whether the proto file should
                 load its services. Not doing so enables a two-pass fix for
                 LRO response and metadata types in certain situations.
+            skip_context_analysis (bool): Toggle whether to skip context
+                analysis. Defaults to False.
         """
         return _ProtoBuilder(
             file_descriptor,
@@ -138,6 +141,7 @@ def build(
             opts=opts,
             prior_protos=prior_protos or {},
             load_services=load_services,
+            skip_context_analysis=skip_context_analysis,
             all_resources=all_resources or {},
         ).proto
 
@@ -463,8 +467,8 @@ def disambiguate_keyword_sanitize_fname(
                 naming=naming,
                 opts=opts,
                 prior_protos=pre_protos,
-                # Ugly, ugly hack.
                 load_services=False,
+                skip_context_analysis=True,
             )
 
         # A file descriptor's file-level resources are NOT visible to any importers.
@@ -1102,6 +1106,7 @@ def __init__(
         opts: Options = Options(),
         prior_protos: Optional[Mapping[str, Proto]] = None,
         load_services: bool = True,
+        skip_context_analysis: bool = False,
         all_resources: Optional[Mapping[str, wrappers.MessageType]] = None,
     ):
         self.proto_messages: Dict[str, wrappers.MessageType] = {}
@@ -1111,6 +1116,7 @@ def __init__(
         self.file_to_generate = file_to_generate
         self.prior_protos = prior_protos or {}
         self.opts = opts
+        self.skip_context_analysis = skip_context_analysis
 
         # Iterate over the documentation and place it into a dictionary.
         #
@@ -1217,7 +1223,7 @@ def proto(self) -> Proto:
 
         # If this is not a file being generated, we do not need to
         # do anything else.
-        if not self.file_to_generate:
+        if not self.file_to_generate or self.skip_context_analysis:
             return naive
 
         visited_messages: Set[wrappers.MessageType] = set()
diff --git a/tests/unit/schema/test_api.py b/tests/unit/schema/test_api.py
index 300e8cab89..a70e26ac99 100644
--- a/tests/unit/schema/test_api.py
+++ b/tests/unit/schema/test_api.py
@@ -4499,3 +4499,84 @@ def test_method_settings_invalid_multiple_issues():
     assert re.match(".*squid.*not.*uuid4.*", error_yaml[method_example1][1].lower())
     assert re.match(".*octopus.*not.*uuid4.*", error_yaml[method_example1][2].lower())
     assert re.match(".*method.*not found.*", error_yaml[method_example2][0].lower())
+
+
+def test_proto_build_skip_context_analysis():
+    """Test that Proto.build works with skip_context_analysis=True."""
+    fdp = make_file_pb2(
+        name="my_proto.proto",
+        package="google.example.v1",
+        messages=(make_message_pb2(name="MyMessage"),),
+    )
+
+    # When skip_context_analysis is True, it should still return a Proto object
+    # but skip the context analysis phase (resolving collisions etc which happens in with_context).
+    # Since we can't easily check internal state of "naive" vs "context-aware" without
+    # relying on implementation details, we at least ensure it runs and returns a Proto.
+
+    proto = api.Proto.build(
+        fdp, file_to_generate=True, naming=make_naming(), skip_context_analysis=True
+    )
+
+    assert isinstance(proto, api.Proto)
+    assert "google.example.v1.MyMessage" in proto.messages
+    assert proto.file_to_generate is True
+
+
+def test_api_build_uses_skip_context_analysis():
+    """Test that API.build calls Proto.build with skip_context_analysis=True in the first pass."""
+
+    fd = make_file_pb2(
+        name="test.proto",
+        package="google.example.v1",
+        messages=(make_message_pb2(name="Msg"),),
+    )
+
+    with mock.patch.object(
+        api.Proto, "build", side_effect=api.Proto.build
+    ) as mock_proto_build:
+        api.API.build([fd], package="google.example.v1")
+
+        # API.build makes 2 passes (plus maybe more for other things).
+        # The first pass should have skip_context_analysis=True.
+
+        # Gather all calls
+        calls = mock_proto_build.call_args_list
+
+        # There should be at least 2 calls for our file (Pass 1 and Pass 2).
+        # We look for the one with skip_context_analysis=True.
+
+        found_skip = False
+        for call in calls:
+            # call.kwargs contains arguments
+            if call.kwargs.get("skip_context_analysis") is True:
+                found_skip = True
+                # Also verify load_services is False as per current implementation of Pass 1
+                assert call.kwargs.get("load_services") is False
+                break
+
+        assert found_skip, "Proto.build was not called with skip_context_analysis=True"
+
+
+def test_proto_builder_skip_context_analysis_property():
+    """Test that _ProtoBuilder sets the skip_context_analysis property correctly."""
+    fdp = descriptor_pb2.FileDescriptorProto(
+        name="my_proto_file.proto",
+        package="google.example.v1",
+    )
+
+    builder = api._ProtoBuilder(
+        fdp,
+        file_to_generate=True,
+        naming=make_naming(),
+        skip_context_analysis=True,
+    )
+
+    assert builder.skip_context_analysis is True
+
+    # Verify that .proto property returns the naive proto when skip_context_analysis is True
+    # We can check if the return value is the same as the 'naive' one constructed inside.
+    # But since we can't access 'naive' local variable, we verify behavior.
+
+    proto = builder.proto
+    assert isinstance(proto, api.Proto)