diff --git a/packages/dockview-core/src/__tests__/dockview/dockviewComponent.spec.ts b/packages/dockview-core/src/__tests__/dockview/dockviewComponent.spec.ts
index d84a723e4..6de544ee0 100644
--- a/packages/dockview-core/src/__tests__/dockview/dockviewComponent.spec.ts
+++ b/packages/dockview-core/src/__tests__/dockview/dockviewComponent.spec.ts
@@ -6729,4 +6729,51 @@ describe('dockviewComponent', () => {
         expect(api.panels.length).toBe(3);
         expect(api.groups.length).toBe(3);
     });
+
+    test('add group with custom group is', () => {
+        const container = document.createElement('div');
+
+        const dockview = new DockviewComponent(container, {
+            createComponent(options) {
+                switch (options.name) {
+                    case 'default':
+                        return new PanelContentPartTest(
+                            options.id,
+                            options.name
+                        );
+                    default:
+                        throw new Error(`unsupported`);
+                }
+            },
+        });
+        const api = new DockviewApi(dockview);
+
+        dockview.layout(1000, 1000);
+
+        const panel1 = api.addPanel({
+            id: 'panel_1',
+            component: 'default',
+        });
+
+        const group1 = api.addGroup({
+            id: 'group_1',
+            direction: 'left',
+        });
+
+        const group2 = api.addGroup({
+            id: 'group_2',
+            direction: 'left',
+            referencePanel: panel1,
+        });
+
+        const group3 = api.addGroup({
+            id: 'group_3',
+            direction: 'left',
+            referenceGroup: panel1.api.group,
+        });
+
+        expect(group1.api.id).toBe('group_1');
+        expect(group2.api.id).toBe('group_2');
+        expect(group3.api.id).toBe('group_3');
+    });
 });
diff --git a/packages/dockview-core/src/dockview/dockviewComponent.ts b/packages/dockview-core/src/dockview/dockviewComponent.ts
index 783b19803..e0f124320 100644
--- a/packages/dockview-core/src/dockview/dockviewComponent.ts
+++ b/packages/dockview-core/src/dockview/dockviewComponent.ts
@@ -1176,7 +1176,7 @@ export class DockviewComponent
         this.updateWatermark();
     }
 
-    private orthogonalize(position: Position): DockviewGroupPanel {
+    private orthogonalize(position: Position, options?: GroupOptions): DockviewGroupPanel {
         switch (position) {
             case 'top':
             case 'bottom':
@@ -1202,10 +1202,10 @@ export class DockviewComponent
             case 'top':
             case 'left':
             case 'center':
-                return this.createGroupAtLocation([0]); // insert into first position
+                return this.createGroupAtLocation([0], undefined, options); // insert into first position
             case 'bottom':
             case 'right':
-                return this.createGroupAtLocation([this.gridview.length]); // insert into last position
+                return this.createGroupAtLocation([this.gridview.length], undefined, options); // insert into last position
             default:
                 throw new Error(`unsupported position ${position}`);
         }
@@ -1880,7 +1880,8 @@ export class DockviewComponent
                 }
             } else {
                 const group = this.orthogonalize(
-                    directionToPosition(<Direction>options.direction)
+                    directionToPosition(<Direction>options.direction),
+                    options
                 );
                 if (!options.skipSetActive) {
                     this.doSetGroupAndPanelActive(group);
@@ -2548,9 +2549,10 @@ export class DockviewComponent
 
     private createGroupAtLocation(
         location: number[],
-        size?: number
+        size?: number,
+        options?: GroupOptions
     ): DockviewGroupPanel {
-        const group = this.createGroup();
+        const group = this.createGroup(options);
         this.doAddGroup(group, location, size);
         return group;
     }