diff --git a/pyproject.toml b/pyproject.toml
index 3ffb423a..018d6c1a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,7 @@
 [tool.pyright]
 venvPath = "."
 venv = ".venv"
+extraPaths = ["sdk/batch", "sdk/flow", "sdk/rt", "sdk/tts", "sdk/voice"]
 
 [tool.black]
 line-length = 120
diff --git a/sdk/batch/pyproject.toml b/sdk/batch/pyproject.toml
index 89119b6f..8bfdcd16 100644
--- a/sdk/batch/pyproject.toml
+++ b/sdk/batch/pyproject.toml
@@ -48,6 +48,9 @@ issues = "https://github.com/speechmatics/speechmatics-python-sdk/issues"
 [tool.setuptools.dynamic]
 version = { attr = "speechmatics.batch.__version__" }
 
+[tool.setuptools.package-data]
+"speechmatics.batch" = ["py.typed"]
+
 [tool.setuptools.packages.find]
 where = ["."]
 
diff --git a/sdk/batch/speechmatics/__init__.py b/sdk/batch/speechmatics/__init__.py
index e69de29b..8db66d3d 100644
--- a/sdk/batch/speechmatics/__init__.py
+++ b/sdk/batch/speechmatics/__init__.py
@@ -0,0 +1 @@
+__path__ = __import__("pkgutil").extend_path(__path__, __name__)
diff --git a/sdk/batch/speechmatics/batch/py.typed b/sdk/batch/speechmatics/batch/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/sdk/rt/pyproject.toml b/sdk/rt/pyproject.toml
index b2d84b12..62d2ca9d 100644
--- a/sdk/rt/pyproject.toml
+++ b/sdk/rt/pyproject.toml
@@ -54,6 +54,9 @@ issues = "https://github.com/speechmatics/speechmatics-python-sdk/issues"
 [tool.setuptools.dynamic]
 version = { attr = "speechmatics.rt.__version__" }
 
+[tool.setuptools.package-data]
+"speechmatics.rt" = ["py.typed"]
+
 [tool.setuptools.packages.find]
 where = ["."]
 
diff --git a/sdk/rt/speechmatics/rt/py.typed b/sdk/rt/speechmatics/rt/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/sdk/tts/pyproject.toml b/sdk/tts/pyproject.toml
index 065ccecf..ef816d62 100644
--- a/sdk/tts/pyproject.toml
+++ b/sdk/tts/pyproject.toml
@@ -48,5 +48,8 @@ issues = "https://github.com/speechmatics/speechmatics-python-sdk/issues"
 [tool.setuptools.dynamic]
 version = { attr = "speechmatics.tts.__version__" }
 
+[tool.setuptools.package-data]
+"speechmatics.tts" = ["py.typed"]
+
 [tool.setuptools.packages.find]
 where = ["."]
diff --git a/sdk/tts/speechmatics/__init__.py b/sdk/tts/speechmatics/__init__.py
new file mode 100644
index 00000000..8db66d3d
--- /dev/null
+++ b/sdk/tts/speechmatics/__init__.py
@@ -0,0 +1 @@
+__path__ = __import__("pkgutil").extend_path(__path__, __name__)
diff --git a/sdk/tts/speechmatics/tts/py.typed b/sdk/tts/speechmatics/tts/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/sdk/voice/speechmatics/voice/py.typed b/sdk/voice/speechmatics/voice/py.typed
new file mode 100644
index 00000000..e69de29b