diff --git a/win-cpn-32.yml b/win-cpn-32.yml
new file mode 100644
index 000000000..bde343bdc
--- /dev/null
+++ b/win-cpn-32.yml
@@ -0,0 +1,96 @@
+name: Windows Companion 32-bit
+
+on:
+  push:
+    branches:
+      - 'win-cpn-32'
+    tags:
+      - v*
+    paths:
+      - '.github/workflows/win_cpn-32.yml'
+      - 'companion/**'
+      - 'tools/build-companion-nightly.sh'
+
+  pull_request:
+    branches:
+      - 'win-cpn-32'
+    paths:
+      - '.github/workflows/win_cpn-32.yml'
+      - 'companion/**'
+      - 'tools/build-companion-nightly.sh'
+
+  workflow_dispatch:
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: Release
+  CMAKE_GENERATOR: "MSYS Makefiles"
+  QT_VERSION: "5.12.9"
+  MINGW_VERSION: "win32_mingw73"
+  MINGW_PATH: "mingw73_32"
+
+jobs:
+  build:
+    # The CMake configure and build commands are platform agnostic and should work equally
+    # well on Windows or Mac.  You can convert this to a matrix build if you need
+    # cross-platform coverage.
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
+    runs-on: windows-latest
+    defaults:
+      run:
+        shell: msys2 {0}
+
+    steps:
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: MINGW32
+          update: true
+          install: git make mingw-w64-i686-toolchain
+
+      - name: Install Dependencies
+        run: |
+          pacman -S --noconfirm mingw-w64-i686-cmake \
+                                mingw-w64-i686-python-pip \
+                                mingw-w64-i686-arm-none-eabi-gcc \
+                                mingw-w64-i686-libjpeg-turbo \
+                                mingw-w64-i686-zlib \
+                                mingw-w64-i686-libtiff \
+                                mingw-w64-i686-freetype \
+                                mingw-w64-i686-lcms2 \
+                                mingw-w64-i686-libwebp \
+                                mingw-w64-i686-openjpeg2 \
+                                mingw-w64-i686-libimagequant \
+                                mingw-w64-i686-libraqm \
+                                mingw-w64-i686-SDL \
+                                mingw-w64-i686-clang \
+                                mingw-w64-i686-nsis
+          pip install Pillow clang
+          
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v2
+        with:
+          version: ${{ env.QT_VERSION }}
+          arch: ${{ env.MINGW_VERSION }}
+
+      - name: Check out the repo
+        uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Build
+        working-directory: ${{github.workspace}}
+        # Execute the build.  You can specify a specific target with "--target <NAME>"
+        run: |
+          mkdir output && \
+          CMAKE_PREFIX_PATH=$RUNNER_WORKSPACE/Qt/$QT_VERSION/$MINGW_PATH \
+          tools/build-companion-nightly.sh $(pwd) $(pwd)/output/
+      - name: Compose release filename
+        # https://stackoverflow.com/questions/58033366/how-to-get-current-branch-within-github-actions
+        run: echo "artifact_name=edgetx-cpn-win-32-${GITHUB_REF##*/}" >> $GITHUB_ENV
+
+      - name: Archive production artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: "${{ env.artifact_name }}"
+          path:  ${{github.workspace}}/output
+          retention-days: 15