diff --git a/dist/resources/services-config.json.template b/dist/resources/services-config.json.template
new file mode 100644
index 0000000..5a868f1
--- /dev/null
+++ b/dist/resources/services-config.json.template
@@ -0,0 +1,7 @@
+{
+  "licensingServiceBaseUrl": "%URL%",
+  "enableEntitlementLicensing": true,
+  "enableFloatingApi": true,
+  "clientConnectTimeoutSec": 5,
+  "clientHandshakeTimeoutSec": 10
+}
diff --git a/dist/steps/activate.sh b/dist/steps/activate.sh
index 376b2bb..5ef0705 100755
--- a/dist/steps/activate.sh
+++ b/dist/steps/activate.sh
@@ -77,7 +77,26 @@ elif [[ -n "$UNITY_SERIAL" && -n "$UNITY_EMAIL" && -n "$UNITY_PASSWORD" ]]; then
 
   # Store the exit code from the verify command
   UNITY_EXIT_CODE=$?
+elif [[ -n "$UNITY_LICENSING_SERVER" ]]; then
+  #
+  # Custom Unity License Server
+  #
+  echo "Adding licensing server config"
+  pushd /resources
+  cat services-config.json.template | tr -d '\r' | awk "{sub(/%URL%/,\"$UNITY_LICENSING_SERVER\")}1" > services-config.json
+  mkdir -p /usr/share/unity3d/config/
+  mv services-config.json /usr/share/unity3d/config/
 
+  /opt/unity/Editor/Data/Resources/Licensing/Client/Unity.Licensing.Client --acquire-floating > license.txt #is this accessible in a env variable?
+  UNITY_EXIT_CODE=$?
+  PARSEDFILE=$(grep -oP '\".*?\"' < license.txt | tr -d '"')
+  export FLOATING_LICENSE
+  FLOATING_LICENSE=$(sed -n 2p <<< "$PARSEDFILE")
+  FLOATING_LICENSE_TIMEOUT=$(sed -n 4p <<< "$PARSEDFILE")
+
+  echo "Acquired floating license: \"$FLOATING_LICENSE\" with timeout $FLOATING_LICENSE_TIMEOUT"
+  # Store the exit code from the verify command
+  popd
 else
   #
   # NO LICENSE ACTIVATION STRATEGY MATCHED
diff --git a/dist/steps/return_license.sh b/dist/steps/return_license.sh
index 46f8120..db9cb54 100755
--- a/dist/steps/return_license.sh
+++ b/dist/steps/return_license.sh
@@ -4,7 +4,13 @@
 echo "Changing to \"$ACTIVATE_LICENSE_PATH\" directory."
 pushd "$ACTIVATE_LICENSE_PATH"
 
-if [[ -n "$UNITY_SERIAL" ]]; then
+if [[ -n "$UNITY_LICENSING_SERVER" ]]; then  #
+  #
+  # Return any floating license used.
+  #
+  echo "Returning floating license: \"$FLOATING_LICENSE\""
+  /opt/unity/Editor/Data/Resources/Licensing/Client/Unity.Licensing.Client --return-floating "$FLOATING_LICENSE"
+elif [[ -n "$UNITY_SERIAL" ]]; then
   #
   # PROFESSIONAL (SERIAL) LICENSE MODE
   #
@@ -17,6 +23,5 @@ if [[ -n "$UNITY_SERIAL" ]]; then
     -quit \
     -returnlicense
 fi
-
 # Return to previous working directory
 popd
diff --git a/src/index.ts b/src/index.ts
index 6463c53..f4b6287 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -20,6 +20,7 @@ async function run() {
       githubToken,
       checkName,
       chownFilesTo,
+      unityLicensingServer
     } = Input.getFromUser();
     const baseImage = new ImageTag({ editorVersion, customImage });
     const runnerTemporaryPath = process.env.RUNNER_TEMP;
@@ -40,6 +41,7 @@ async function run() {
         githubToken,
         runnerTemporaryPath,
         chownFilesTo,
+        unityLicensingServer
       });
     } finally {
       await Output.setArtifactsPath(artifactsPath);
diff --git a/src/model/docker.ts b/src/model/docker.ts
index fb250c6..cae9722 100644
--- a/src/model/docker.ts
+++ b/src/model/docker.ts
@@ -34,6 +34,7 @@ const Docker = {
       githubToken,
       runnerTemporaryPath,
       chownFilesTo,
+      unityLicensingServer
     } = parameters;
 
     const githubHome = path.join(runnerTemporaryPath, '_github_home');
@@ -52,6 +53,7 @@ const Docker = {
                 --env UNITY_EMAIL \
                 --env UNITY_PASSWORD \
                 --env UNITY_SERIAL \
+                --env UNITY_LICENSING_SERVER="${unityLicensingServer}" \
                 --env UNITY_VERSION="${editorVersion}" \
                 --env PROJECT_PATH="${projectPath}" \
                 --env CUSTOM_PARAMETERS="${customParameters}" \
@@ -82,6 +84,7 @@ const Docker = {
                 --volume "${workspace}:/github/workspace:z" \
                 --volume "${actionFolder}/steps:/steps:z" \
                 --volume "${actionFolder}/entrypoint.sh:/entrypoint.sh:z" \
+                --volume "${actionFolder}/resources:/resources:z" \
                 ${sshAgent ? `--volume ${sshAgent}:/ssh-agent` : ''} \
                 ${
                   sshAgent ? `--volume /home/runner/.ssh/known_hosts:/root/.ssh/known_hosts:ro` : ''
@@ -108,6 +111,7 @@ const Docker = {
       githubToken,
       runnerTemporaryPath,
       chownFilesTo,
+      unityLicensingServer
     } = parameters;
 
     const githubHome = path.join(runnerTemporaryPath, '_github_home');
@@ -126,6 +130,7 @@ const Docker = {
                 --env UNITY_EMAIL \
                 --env UNITY_PASSWORD \
                 --env UNITY_SERIAL \
+                --env UNITY_LICENSING_SERVER="${unityLicensingServer}" \
                 --env UNITY_VERSION="${editorVersion}" \
                 --env PROJECT_PATH="${projectPath}" \
                 --env CUSTOM_PARAMETERS="${customParameters}" \
diff --git a/src/model/input.ts b/src/model/input.ts
index e71dd3d..f093081 100644
--- a/src/model/input.ts
+++ b/src/model/input.ts
@@ -17,6 +17,7 @@ const Input = {
     const unityVersion = getInput('unityVersion') || 'auto';
     const customImage = getInput('customImage') || '';
     const rawProjectPath = getInput('projectPath') || '.';
+    const unityLicensingServer = getInput('unityLicensingServer') || '';
     const customParameters = getInput('customParameters') || '';
     const testMode = (getInput('testMode') || 'all').toLowerCase();
     const coverageOptions = getInput('coverageOptions') || '';
@@ -67,6 +68,7 @@ const Input = {
       githubToken,
       checkName,
       chownFilesTo,
+      unityLicensingServer
     };
   },
 };