diff --git a/.github/workflows/ci-check.yml b/.github/workflows/ci-check.yml
new file mode 100644
index 00000000..97df38b9
--- /dev/null
+++ b/.github/workflows/ci-check.yml
@@ -0,0 +1,42 @@
+# The MIT License (MIT)
+#
+# Copyright (c) 2018 Mateusz Pusz
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+name: Check CI
+
+on: [push, pull_request]
+
+jobs:
+  check:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+    - name: Check
+      run: |
+        pre-commit run --all-files
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 00000000..682b1f66
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,19 @@
+default_stages: [commit]
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.1.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+  # - repo: https://github.com/pocc/pre-commit-hooks
+  #   rev: v1.3.5
+  #   hooks:
+  #     - id: clang-format
+  # - repo: https://github.com/cheshirekow/cmake-format-precommit
+  #   rev: v0.6.13
+  #   hooks:
+  #     - id: cmake-format
+  #       additional_dependencies: ["cmakelang"]
+  #     - id: cmake-lint
+  #       additional_dependencies: ["cmakelang"]
diff --git a/README.md b/README.md
index fbff79fa..0815c65d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 [![GitHub license](https://img.shields.io/github/license/mpusz/units?cacheSeconds=3600&color=informational&label=License)](./LICENSE.md)
 [![Conan CI](https://img.shields.io/github/workflow/status/mpusz/units/Conan%20CI/master?label=Conan%20CI)](https://github.com/mpusz/units/actions?query=workflow%3A%22Conan%20CI%22+branch%3Amaster)
 [![CMake CI](https://img.shields.io/github/workflow/status/mpusz/units/CMake%20Test%20Package%20CI/master?label=CMake%20CI)](https://github.com/mpusz/units/actions?query=workflow%3A%22CMake+Test+Package+CI%22+branch%3Amaster)
+[![Check CI](https://img.shields.io/github/workflow/status/mpusz/units/Check%20CI/master?label=Check%20CI)](https://github.com/mpusz/units/actions?query=workflow%3A%22Check%20CI%22+branch%3Amaster)
 [![GitHub Workflow Documentation](https://img.shields.io/github/workflow/status/mpusz/units/Documentation/master?label=Documentation%20CI)](https://github.com/mpusz/units/actions?query=workflow%3ADocumentation+branch%3Amaster)
 [![Conan stable](https://img.shields.io/badge/ConanCenter-0.7.0%3Astable-blue)](https://conan.io/center/mp-units)
 [![Conan testing](https://img.shields.io/badge/mpusz.jfrog.io-0.8.0%3Atesting-blue)](https://mpusz.jfrog.io/ui/packages/conan:%2F%2Fmp-units/0.8.0)
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..bca6c1c8
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+conan
+pre-commit