diff --git a/app/Http/Controllers/Assets/BulkAssetsController.php b/app/Http/Controllers/Assets/BulkAssetsController.php
index 4b9ccb6753..cb4fa5fa5b 100644
--- a/app/Http/Controllers/Assets/BulkAssetsController.php
+++ b/app/Http/Controllers/Assets/BulkAssetsController.php
@@ -656,6 +656,21 @@ class BulkAssetsController extends Controller
                     ->with('error', trans('general.error_assets_already_checked_out'));
             }
 
+            // Prevent checking out assets across companies if FMCS enabled
+            if (Setting::getSettings()->full_multiple_companies_support && $target->company_id) {
+                $company_ids = $assets->pluck('company_id')->unique();
+
+                // if there is more than one unique company id or the singular company id does not match
+                // then the checkout is invalid
+                if ($company_ids->count() > 1 || $company_ids->first() != $target->company_id) {
+                    // re-add the asset ids so the assets select is re-populated
+                    $request->session()->flashInput(['selected_assets' => $asset_ids]);
+
+                    return redirect(route('hardware.bulkcheckout.show'))
+                        ->with('error', trans('general.error_user_company_multiple'));
+                }
+            }
+
             if (request('checkout_to_type') == 'asset') {
                 foreach ($asset_ids as $asset_id) {
                     if ($target->id == $asset_id) {
diff --git a/resources/lang/en-US/general.php b/resources/lang/en-US/general.php
index 42751c5cf9..3d7b8ca6bf 100644
--- a/resources/lang/en-US/general.php
+++ b/resources/lang/en-US/general.php
@@ -519,6 +519,7 @@ return [
     'item_notes' => ':item Notes',
     'item_name_var' => ':item Name',
     'error_user_company' => 'Checkout target company and asset company do not match',
+    'error_user_company_multiple' => 'One or more of the checkout target company and asset company do not match',
     'error_user_company_accept_view' => 'An Asset assigned to you belongs to a different company so you can\'t accept nor deny it, please check with your manager',
     'error_assets_already_checked_out' => 'One or more of the assets are already checked out',
     'importer' => [
diff --git a/tests/Feature/Checkouts/Ui/BulkAssetCheckoutTest.php b/tests/Feature/Checkouts/Ui/BulkAssetCheckoutTest.php
index 2f325ba68a..6f6f250b90 100644
--- a/tests/Feature/Checkouts/Ui/BulkAssetCheckoutTest.php
+++ b/tests/Feature/Checkouts/Ui/BulkAssetCheckoutTest.php
@@ -4,6 +4,7 @@ namespace Tests\Feature\Checkouts\Ui;
 
 use App\Mail\CheckoutAssetMail;
 use App\Models\Asset;
+use App\Models\Company;
 use App\Models\Location;
 use App\Models\User;
 use Illuminate\Support\Facades\Mail;
@@ -122,6 +123,42 @@ class BulkAssetCheckoutTest extends TestCase
         ];
     }
 
+    #[DataProvider('checkoutTargets')]
+    public function test_adheres_to_full_multiple_company_support($data)
+    {
+        ['type' => $type, 'target' => $target] = $data();
+
+        $this->settings->enableMultipleFullCompanySupport();
+
+        // create two companies
+        [$companyA, $companyB] = Company::factory()->count(2)->create();
+
+        // create an asset for each company
+        $assetForCompanyA = Asset::factory()->for($companyA)->create();
+        $assetForCompanyB = Asset::factory()->for($companyB)->create();
+
+        $this->assertNull($assetForCompanyA->assigned_to, 'Asset should not be assigned before attempting this test case.');
+        $this->assertNull($assetForCompanyB->assigned_to, 'Asset should not be assigned before attempting this test case.');
+
+        // attempt to bulk checkout both items to the target
+        $response = $this->actingAs(User::factory()->superuser()->create())
+            ->post(route('hardware.bulkcheckout.store'), [
+                'selected_assets' => [
+                    $assetForCompanyA->id,
+                    $assetForCompanyB->id,
+                ],
+                'checkout_to_type' => $type,
+                "assigned_$type" => $target->id,
+            ]);
+
+        // ensure bulk checkout is blocked
+        $this->assertNull($assetForCompanyA->fresh()->assigned_to, 'Asset was checked out across companies.');
+        $this->assertNull($assetForCompanyB->fresh()->assigned_to, 'Asset was checked out across companies.');
+
+        // ensure redirected back
+        $response->assertRedirectToRoute('hardware.bulkcheckout.show');
+    }
+
     #[DataProvider('checkoutTargets')]
     public function test_prevents_checkouts_of_checked_out_items($data)
     {