diff --git a/plugins/aea-cli-benchmark/aea_cli_benchmark/py.typed b/plugins/aea-cli-benchmark/aea_cli_benchmark/py.typed
new file mode 100644
index 0000000000..10b0dea7d2
--- /dev/null
+++ b/plugins/aea-cli-benchmark/aea_cli_benchmark/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.  The aea package uses inline types.
diff --git a/plugins/aea-cli-benchmark/setup.py b/plugins/aea-cli-benchmark/setup.py
index bb2e4b53b4..f8a4a6d31c 100755
--- a/plugins/aea-cli-benchmark/setup.py
+++ b/plugins/aea-cli-benchmark/setup.py
@@ -35,6 +35,7 @@
     packages=find_packages(
         where=".", include=["aea_cli_benchmark", "aea_cli_benchmark.*"]
     ),
+    package_data={"aea_cli_benchmark": ["py.typed"]},
     entry_points={"aea.cli": ["benchmark = aea_cli_benchmark.core:benchmark"]},
     install_requires=["open-aea>=1.0.0, <2.0.0", "psutil==5.7.0"],
     classifiers=[
diff --git a/plugins/aea-cli-ipfs/aea_cli_ipfs/py.typed b/plugins/aea-cli-ipfs/aea_cli_ipfs/py.typed
new file mode 100644
index 0000000000..10b0dea7d2
--- /dev/null
+++ b/plugins/aea-cli-ipfs/aea_cli_ipfs/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.  The aea package uses inline types.
diff --git a/plugins/aea-cli-ipfs/setup.py b/plugins/aea-cli-ipfs/setup.py
index 389bfe53c0..8f9277d2a9 100755
--- a/plugins/aea-cli-ipfs/setup.py
+++ b/plugins/aea-cli-ipfs/setup.py
@@ -35,6 +35,7 @@
     long_description="CLI extension for open AEA framework wrapping IPFS functionality.",
     long_description_content_type="text/markdown",
     packages=["aea_cli_ipfs"],
+    package_data={"aea_cli_ipfs": ["py.typed"]},
     entry_points={"aea.cli": ["ipfs_cli_command = aea_cli_ipfs.core:ipfs"]},
     install_requires=[
         "open-aea>=1.0.0, <2.0.0",
diff --git a/plugins/aea-ledger-cosmos/aea_ledger_cosmos/py.typed b/plugins/aea-ledger-cosmos/aea_ledger_cosmos/py.typed
new file mode 100644
index 0000000000..10b0dea7d2
--- /dev/null
+++ b/plugins/aea-ledger-cosmos/aea_ledger_cosmos/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.  The aea package uses inline types.
diff --git a/plugins/aea-ledger-ethereum-flashbots/aea_ledger_ethereum_flashbots/py.typed b/plugins/aea-ledger-ethereum-flashbots/aea_ledger_ethereum_flashbots/py.typed
new file mode 100644
index 0000000000..10b0dea7d2
--- /dev/null
+++ b/plugins/aea-ledger-ethereum-flashbots/aea_ledger_ethereum_flashbots/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.  The aea package uses inline types.
diff --git a/plugins/aea-ledger-ethereum-hwi/aea_ledger_ethereum_hwi/py.typed b/plugins/aea-ledger-ethereum-hwi/aea_ledger_ethereum_hwi/py.typed
new file mode 100644
index 0000000000..10b0dea7d2
--- /dev/null
+++ b/plugins/aea-ledger-ethereum-hwi/aea_ledger_ethereum_hwi/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.  The aea package uses inline types.
diff --git a/plugins/aea-ledger-ethereum/aea_ledger_ethereum/py.typed b/plugins/aea-ledger-ethereum/aea_ledger_ethereum/py.typed
new file mode 100644
index 0000000000..10b0dea7d2
--- /dev/null
+++ b/plugins/aea-ledger-ethereum/aea_ledger_ethereum/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.  The aea package uses inline types.
diff --git a/plugins/aea-ledger-fetchai/aea_ledger_fetchai/py.typed b/plugins/aea-ledger-fetchai/aea_ledger_fetchai/py.typed
new file mode 100644
index 0000000000..10b0dea7d2
--- /dev/null
+++ b/plugins/aea-ledger-fetchai/aea_ledger_fetchai/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.  The aea package uses inline types.
diff --git a/plugins/aea-ledger-solana/aea_ledger_solana/py.typed b/plugins/aea-ledger-solana/aea_ledger_solana/py.typed
new file mode 100644
index 0000000000..10b0dea7d2
--- /dev/null
+++ b/plugins/aea-ledger-solana/aea_ledger_solana/py.typed
@@ -0,0 +1 @@
+# Marker file for PEP 561.  The aea package uses inline types.
diff --git a/plugins/aea-ledger-solana/setup.py b/plugins/aea-ledger-solana/setup.py
index db3c75a8c9..46374316e5 100644
--- a/plugins/aea-ledger-solana/setup.py
+++ b/plugins/aea-ledger-solana/setup.py
@@ -32,7 +32,7 @@
     long_description="Python package wrapping the public and private key cryptography and ledger api of solana.",
     long_description_content_type="text/markdown",
     packages=find_packages(include=["aea_ledger_solana*"]),
-    package_data={},
+    package_data={"aea_ledger_solana": ["py.typed"]},
     install_requires=[
         "open-aea>=1.0.0, <2.0.0",
         "cryptography",