diff --git a/tools/build-companion.sh b/tools/build-companion.sh
new file mode 100644
index 000000000..49dd605ab
--- /dev/null
+++ b/tools/build-companion.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# Stops on first error, echo on
+set -e
+set -x
+
+SRCDIR=$1
+OUTDIR=$2
+
+COMMON_OPTIONS="-DALLOW_NIGHTLY_BUILDS=YES -DVERSION_SUFFIX=$3 -DGVARS=YES -DHELI=YES"
+STM32_OPTIONS="${COMMON_OPTIONS} -DLUA=YES"
+
+rm -rf build
+mkdir build
+cd build
+
+cmake ${COMMON_OPTIONS} -DPCB=9X ${SRCDIR}
+make -j2 libsimulator
+
+cmake ${COMMON_OPTIONS} -DPCB=GRUVIN9X ${SRCDIR}
+make -j2 libsimulator
+
+cmake ${COMMON_OPTIONS} -DPCB=MEGA2560 ${SRCDIR}
+make -j2 libsimulator
+
+cmake ${COMMON_OPTIONS} -DPCB=SKY9X ${SRCDIR}
+make -j2 libsimulator
+
+cmake ${COMMON_OPTIONS} -DPCB=9XRPRO ${SRCDIR}
+make -j2 libsimulator
+
+cmake ${STM32_OPTIONS} -DPCB=X9D ${SRCDIR}
+make -j2 libsimulator
+
+cmake ${STM32_OPTIONS} -DPCB=X9D+ ${SRCDIR}
+make -j2 libsimulator
+
+cmake ${STM32_OPTIONS} -DPCB=X9E ${SRCDIR}
+make -j2 libsimulator
+
+cmake ${STM32_OPTIONS} -DPCB=HORUS ${SRCDIR}
+make -j2 libsimulator
+
+make -j2 package
+
+cp *.deb ${OUTDIR}