diff --git a/tools/build-companion-nightly-win32.sh b/tools/build-companion-nightly-win32.sh
new file mode 100644
index 000000000..977dec5ce
--- /dev/null
+++ b/tools/build-companion-nightly-win32.sh
@@ -0,0 +1,140 @@
+#!/bin/bash
+
+# Stops on first error, echo on
+set -e
+set -x
+
+if [ "$(uname)" = "Darwin" ]; then
+  num_cpus=$(sysctl -n hw.ncpu)
+  : "${JOBS:=$num_cpus}"
+else
+  JOBS=3
+fi
+
+while [ $# -gt 0 ]
+do
+  case "$1" in
+    --jobs=*)
+      JOBS="${1#*=}";;
+    -j*)
+      JOBS="${1#*j}";;
+    -*)
+      echo >&2 "usage: $0 [-j<jobs>|--jobs=<jobs>] SRCDIR OUTDIR VERSION_SUFFIX"
+      exit 1;;
+    *)
+      break;;   # terminate while loop
+  esac
+  shift
+done
+
+SRCDIR=$1
+OUTDIR=$2
+
+COMMON_OPTIONS="-DGVARS=YES -DHELI=YES -DLUA=YES -Wno-dev -DCMAKE_BUILD_TYPE=Release"
+if [ "$(uname)" = "Darwin" ]; then
+    COMMON_OPTIONS="${COMMON_OPTIONS} -DCMAKE_OSX_DEPLOYMENT_TARGET='10.9'"
+elif [ "$(uname)" != "Linux" ]; then
+    COMMON_OPTIONS="${COMMON_OPTIONS} -DSDL_LIBRARY_PATH=/mingw32/bin/"
+fi
+
+if [ "$3" != "" ]; then
+  COMMON_OPTIONS="${COMMON_OPTIONS} -DVERSION_SUFFIX=$3"
+fi
+
+rm -rf build
+mkdir build
+cd build
+
+cmake ${COMMON_OPTIONS} -DPCB=X9LITE ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X9LITES ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X7 ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X7 -DPCBREV=ACCESS ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X7 -DPCBREV=T12 ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X7 -DPCBREV=TX12 ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X7 -DPCBREV=T8 ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X7 -DPCBREV=TLITE ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X9D ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X9D+ ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X9D+ -DPCBREV=2019 ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=XLITE ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=XLITES ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X9E ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=NV14 ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X10 ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X10 -DPCBREV=T16 -DINTERNAL_MODULE_MULTI=YES ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X10 -DPCBREV=TX16S ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X10 -DPCBREV=T18 ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X10 -DPCBREV=EXPRESS ${SRCDIR}
+make -j${JOBS} libsimulator
+rm CMakeCache.txt
+
+cmake ${COMMON_OPTIONS} -DPCB=X12S ${SRCDIR}
+make -j${JOBS} libsimulator
+
+if [ "$(uname)" = "Darwin" ]; then
+    make -j${JOBS} package
+    cp *.dmg ${OUTDIR}
+elif [ "$(uname)" = "Linux" ]; then
+    make -j${JOBS} package
+    cp *.AppImage ${OUTDIR}
+else
+    make installer
+    cp companion/*.exe ${OUTDIR}
+fi