diff --git a/backend-compliance/compliance/services/vendor_extractor.py b/backend-compliance/compliance/services/vendor_extractor.py
index 4e020945..f6ad7003 100644
--- a/backend-compliance/compliance/services/vendor_extractor.py
+++ b/backend-compliance/compliance/services/vendor_extractor.py
@@ -58,6 +58,14 @@ def extract_vendors_from_payloads(payloads: list[dict]) -> list[dict]:
                 vendors = _extract_epaas(data)
             elif kind == "onetrust":
                 vendors = _extract_onetrust(data)
+            elif kind == "cookiebot":
+                vendors = _extract_cookiebot(data)
+            elif kind == "usercentrics":
+                vendors = _extract_usercentrics(data)
+            elif kind == "didomi":
+                vendors = _extract_didomi(data)
+            elif kind == "trustarc":
+                vendors = _extract_trustarc(data)
             else:
                 # Generic fallback: walk data for vendor-like dicts
                 vendors = _extract_generic(data)
@@ -153,6 +161,141 @@ def _extract_onetrust(d: dict) -> list[dict]:
     return list(out_by_name.values())
 
 
+# ── Cookiebot ───────────────────────────────────────────────────────
+
+def _extract_cookiebot(d: dict) -> list[dict]:
+    """Cookiebot stores 'Categories[*].Cookies[*]' with Vendor/Host."""
+    out: dict[str, dict] = {}
+    for cat in d.get("Categories") or d.get("categories") or []:
+        category = cat.get("Name") or cat.get("name") or ""
+        for c in cat.get("Cookies") or cat.get("cookies") or []:
+            provider = (c.get("Vendor") or c.get("vendor")
+                        or c.get("Host") or c.get("host") or "").strip()
+            if not provider:
+                continue
+            cookie = {
+                "name": c.get("Name") or c.get("name") or "",
+                "purpose": _clean(c.get("Purpose") or c.get("purpose")),
+                "expiry": _clean(c.get("Expires") or c.get("expires")),
+                "is_third_party": bool(c.get("IsThirdParty")),
+            }
+            if provider in out:
+                out[provider]["cookies"].append(cookie)
+            else:
+                out[provider] = {
+                    "name": provider,
+                    "country": "",
+                    "purpose": _clean(c.get("Purpose") or category),
+                    "category": category,
+                    "opt_out_url": "",
+                    "privacy_policy_url": (c.get("PrivacyPolicyUrl")
+                                           or c.get("policyUrl") or ""),
+                    "persistence": "",
+                    "cookies": [cookie],
+                }
+    return list(out.values())
+
+
+# ── Usercentrics ────────────────────────────────────────────────────
+
+def _extract_usercentrics(d: dict) -> list[dict]:
+    """Usercentrics 'services' / 'dataProcessingServices' shape."""
+    out: list[dict] = []
+    services = (d.get("services") or d.get("dataProcessingServices")
+                or (d.get("settings") or {}).get("services") or [])
+    for s in services:
+        name = s.get("name") or s.get("dataProcessor") or ""
+        if not name:
+            continue
+        max_age = s.get("cookieMaxAgeSeconds")
+        persistence = ""
+        if isinstance(max_age, int) and max_age > 0:
+            persistence = f"{max_age // 86400} Tage"
+        out.append({
+            "name": name,
+            "country": (s.get("processingCompanyCountry")
+                        or s.get("country") or "").strip(),
+            "purpose": _clean(s.get("dataPurpose") or s.get("description")),
+            "category": (s.get("categorySlug") or s.get("category") or "").strip(),
+            "opt_out_url": (s.get("optOutUrl") or "").strip(),
+            "privacy_policy_url": (s.get("policyOfProcessorUrl")
+                                   or s.get("urls", {}).get("privacyPolicy", "")
+                                   or "").strip(),
+            "persistence": persistence or _clean(s.get("retentionPeriodDescription")),
+            "cookies": [],
+        })
+    return out
+
+
+# ── Didomi ──────────────────────────────────────────────────────────
+
+def _extract_didomi(d: dict) -> list[dict]:
+    """Didomi 'app.vendors[]' with name, country, policyUrl."""
+    out: list[dict] = []
+    app = d.get("app", d) or {}
+    for v in app.get("vendors") or d.get("vendors") or []:
+        name = v.get("name") or ""
+        if not name:
+            continue
+        out.append({
+            "name": name,
+            "country": (v.get("country") or "").strip(),
+            "purpose": _clean(v.get("description") or v.get("purpose")),
+            "category": (v.get("category") or "").strip(),
+            "opt_out_url": (v.get("optOutUrl") or "").strip(),
+            "privacy_policy_url": (v.get("policyUrl") or v.get("policy_url")
+                                   or "").strip(),
+            "persistence": "",
+            "cookies": [],
+        })
+    return out
+
+
+# ── TrustArc ────────────────────────────────────────────────────────
+
+def _extract_trustarc(d: dict) -> list[dict]:
+    """TrustArc 'vendors[]' or per-category 'Cookies' with provider."""
+    out_by_name: dict[str, dict] = {}
+    # vendors
+    for v in d.get("vendors") or d.get("Vendors") or []:
+        name = v.get("name") or v.get("Name") or ""
+        if not name:
+            continue
+        out_by_name[name] = {
+            "name": name,
+            "country": (v.get("country") or "").strip(),
+            "purpose": _clean(v.get("description") or v.get("Description")),
+            "category": (v.get("category") or "").strip(),
+            "opt_out_url": (v.get("optOutUrl") or "").strip(),
+            "privacy_policy_url": (v.get("policyUrl") or "").strip(),
+            "persistence": "",
+            "cookies": [],
+        }
+    # cookies per category
+    for cat in d.get("categories") or d.get("Categories") or []:
+        cat_name = cat.get("name") or cat.get("Name") or ""
+        for c in cat.get("cookies") or cat.get("Cookies") or []:
+            provider = c.get("provider") or c.get("Provider") or ""
+            if not provider:
+                continue
+            cookie = {
+                "name": c.get("name") or c.get("Name") or "",
+                "purpose": _clean(c.get("purpose") or c.get("Purpose")),
+                "expiry": _clean(c.get("expires") or c.get("Expires")),
+                "is_third_party": True,
+            }
+            if provider in out_by_name:
+                out_by_name[provider]["cookies"].append(cookie)
+            else:
+                out_by_name[provider] = {
+                    "name": provider, "country": "", "purpose": "",
+                    "category": cat_name, "opt_out_url": "",
+                    "privacy_policy_url": "", "persistence": "",
+                    "cookies": [cookie],
+                }
+    return list(out_by_name.values())
+
+
 # ── Generic fallback (other CMPs / heuristic captures) ──────────────
 
 def _extract_generic(d: dict) -> list[dict]: