diff --git a/src/app/(app)/assets/page.tsx b/src/app/(app)/assets/page.tsx
index bb05718..808722a 100644
--- a/src/app/(app)/assets/page.tsx
+++ b/src/app/(app)/assets/page.tsx
@@ -1,4 +1,5 @@
 import Link from "next/link";
+import { redirect } from "next/navigation";
 import { getTranslations } from "next-intl/server";
 import { Plus, Search } from "lucide-react";
 import type { AssetType } from "@prisma/client";
@@ -34,6 +35,22 @@ const ASSET_TYPES = ["INFORMATION", "SYSTEM", "APPLICATION", "LOCATION", "SUPPLI
 
 const STATUS_TONE = { ACTIVE: "ok", PLANNED: "info", RETIRED: "mut" } as const;
 
+/**
+ * Lieferanten- und IT-Service-Assets werden in ihrem Fach-Cockpit geöffnet
+ * (sofern ein Fachprofil existiert), alle übrigen Assets in der normalen
+ * Asset-Detailansicht.
+ */
+function assetDetailHref(asset: {
+  id: string;
+  type: AssetType;
+  supplierProfile: { id: string } | null;
+  serviceProfile: { id: string } | null;
+}) {
+  if (asset.type === "SUPPLIER" && asset.supplierProfile) return `/suppliers?detail=${asset.id}`;
+  if (asset.type === "IT_SERVICE" && asset.serviceProfile) return `/suppliers?tab=services&detail=${asset.id}`;
+  return `/assets?detail=${asset.id}`;
+}
+
 export default async function AssetsPage({
   searchParams,
 }: {
@@ -59,6 +76,8 @@ export default async function AssetsPage({
       },
       include: {
         owner: { select: { name: true } },
+        supplierProfile: { select: { id: true } },
+        serviceProfile: { select: { id: true } },
         relationsFrom: {
           include: { relatedAsset: { select: { name: true } } },
           take: 4,
@@ -89,6 +108,8 @@ export default async function AssetsPage({
         where: { id: modalId },
         include: {
           owner: { select: { name: true } },
+          supplierProfile: { select: { id: true } },
+          serviceProfile: { select: { id: true } },
           relationsFrom: {
             include: {
               relatedAsset: {
@@ -112,6 +133,14 @@ export default async function AssetsPage({
         },
       })
     : null;
+
+  // Lieferanten/IT-Services im Fach-Cockpit öffnen, auch bei direktem Aufruf
+  // (nur wenn ein Fachprofil existiert; profillose Alt-Assets bleiben im Asset-Detail)
+  if (modalAsset && ((modalAsset.type === "SUPPLIER" && modalAsset.supplierProfile) || (modalAsset.type === "IT_SERVICE" && modalAsset.serviceProfile))) {
+    const base = modalAsset.type === "IT_SERVICE" ? "/suppliers?tab=services" : "/suppliers";
+    redirect(`${base}${base.includes("?") ? "&" : "?"}${params.edit && canWrite ? "edit" : "detail"}=${modalAsset.id}`);
+  }
+
   const users =
     canWrite && (params.edit || params.new)
       ? await db.user.findMany({
@@ -218,7 +247,7 @@ export default async function AssetsPage({
             {assets.map((asset) => (
               <TableRow key={asset.id}>
                 <TableCell>
-                  <Link href={`/assets?detail=${asset.id}`} className="font-bold hover:underline">
+                  <Link href={assetDetailHref(asset)} className="font-bold hover:underline">
                     {asset.name}
                   </Link>
                 </TableCell>