diff --git a/routers/admin_kunden.py b/routers/admin_kunden.py
index a917c8f..54240de 100644
--- a/routers/admin_kunden.py
+++ b/routers/admin_kunden.py
@@ -1,14 +1,97 @@
-from fastapi import APIRouter, Depends, Request
+from uuid import uuid4
 
+import bcrypt
+from fastapi import APIRouter, Depends, Form, Request
+from fastapi.responses import RedirectResponse
+
+from anode_client import anode_request
 from auth import require_admin
+from db import get_database_connection
 from templating import templates
 
 
 router = APIRouter(prefix="/admin/kunden")
 
 
+def fetch_benutzer_fuer_organisation(organization_id: str) -> list[dict]:
+    with get_database_connection() as conn:
+        with conn.cursor() as cur:
+            cur.execute(
+                "SELECT email, ist_admin, created_at FROM benutzer WHERE organization_id = %s ORDER BY email",
+                (organization_id,),
+            )
+            return [
+                {"email": email, "ist_admin": ist_admin, "created_at": created_at}
+                for email, ist_admin, created_at in cur.fetchall()
+            ]
+
+
 @router.get("")
 def index(request: Request, user: dict = Depends(require_admin)):
+    result = anode_request("GET", "/api/v1/organizations")
+    organizations = result.get("organizations", []) if result.get("success") else []
+
     return templates.TemplateResponse(
-        request, "admin/platzhalter.html", {"user": user, "titel": "Kunden"}
+        request, "admin/kunden_index.html", {"user": user, "organizations": organizations}
     )
+
+
+@router.post("")
+def organisation_anlegen(name: str = Form(...), user: dict = Depends(require_admin)):
+    anode_request("POST", "/api/v1/organizations", json={"name": name})
+
+    return RedirectResponse("/admin/kunden", status_code=303)
+
+
+@router.get("/{organization_id}")
+def detail(request: Request, organization_id: str, user: dict = Depends(require_admin)):
+    orgs_result = anode_request("GET", "/api/v1/organizations")
+    organizations = orgs_result.get("organizations", []) if orgs_result.get("success") else []
+    organization = next((o for o in organizations if o["id"] == organization_id), None)
+
+    codes_result = anode_request("GET", f"/api/v1/organizations/{organization_id}/activation-codes")
+    activation_codes = codes_result.get("activation_codes", []) if codes_result.get("success") else []
+
+    benutzer = fetch_benutzer_fuer_organisation(organization_id)
+
+    return templates.TemplateResponse(
+        request,
+        "admin/kunden_detail.html",
+        {
+            "user": user,
+            "organization": organization,
+            "organization_id": organization_id,
+            "activation_codes": activation_codes,
+            "benutzer": benutzer,
+        },
+    )
+
+
+@router.post("/{organization_id}/activation-codes")
+def aktivierungscode_anlegen(organization_id: str, user: dict = Depends(require_admin)):
+    anode_request("POST", f"/api/v1/organizations/{organization_id}/activation-codes")
+
+    return RedirectResponse(f"/admin/kunden/{organization_id}", status_code=303)
+
+
+@router.post("/{organization_id}/konten")
+def konto_anlegen(
+    organization_id: str,
+    email: str = Form(...),
+    password: str = Form(...),
+    ist_admin: str = Form(default=""),
+    user: dict = Depends(require_admin),
+):
+    password_hash = bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()).decode("utf-8")
+
+    with get_database_connection() as conn:
+        with conn.cursor() as cur:
+            cur.execute(
+                """
+                INSERT INTO benutzer (id, organization_id, email, password_hash, ist_admin)
+                VALUES (%s, %s, %s, %s, %s)
+                """,
+                (uuid4(), organization_id, email, password_hash, ist_admin == "on"),
+            )
+
+    return RedirectResponse(f"/admin/kunden/{organization_id}", status_code=303)
diff --git a/templates/admin/kunden_detail.html b/templates/admin/kunden_detail.html
new file mode 100644
index 0000000..cee6d7e
--- /dev/null
+++ b/templates/admin/kunden_detail.html
@@ -0,0 +1,59 @@
+{% extends "admin/layout.html" %}
+{% block title %}{{ organization.name if organization else organization_id }} — Tuxflotte Admin{% endblock %}
+{% block admin_content %}
+<p><a href="/admin/kunden">← Kunden</a></p>
+<h2>{{ organization.name if organization else organization_id }}</h2>
+
+<section>
+    <h3>Aktivierungscodes</h3>
+    <figure>
+    <table>
+        <thead><tr><th>Code</th><th>Status</th><th>Angelegt</th></tr></thead>
+        <tbody>
+        {% for ac in activation_codes %}
+            <tr>
+                <td><code>{{ ac.code }}</code></td>
+                <td>{{ "aktiv" if ac.active else "inaktiv" }}</td>
+                <td>{{ ac.created_at }}</td>
+            </tr>
+        {% endfor %}
+        </tbody>
+    </table>
+    </figure>
+    <form method="post" action="/admin/kunden/{{ organization_id }}/activation-codes">
+        <button type="submit">Neuen Aktivierungscode erzeugen</button>
+    </form>
+</section>
+
+<section>
+    <h3>Kundenkonten</h3>
+    <figure>
+    <table>
+        <thead><tr><th>E-Mail</th><th>Admin</th><th>Angelegt</th></tr></thead>
+        <tbody>
+        {% for b in benutzer %}
+            <tr>
+                <td>{{ b.email }}</td>
+                <td>{{ "ja" if b.ist_admin else "nein" }}</td>
+                <td>{{ b.created_at }}</td>
+            </tr>
+        {% endfor %}
+        </tbody>
+    </table>
+    </figure>
+    <details>
+    <summary role="button" class="secondary outline">Neues Konto anlegen</summary>
+    <form method="post" action="/admin/kunden/{{ organization_id }}/konten">
+        <label for="email">E-Mail</label>
+        <input type="email" id="email" name="email" required>
+        <label for="password">Passwort</label>
+        <input type="password" id="password" name="password" required>
+        <label>
+            <input type="checkbox" name="ist_admin">
+            Admin-Zugriff (organisationsübergreifend)
+        </label>
+        <button type="submit">Anlegen</button>
+    </form>
+    </details>
+</section>
+{% endblock %}
diff --git a/templates/admin/kunden_index.html b/templates/admin/kunden_index.html
new file mode 100644
index 0000000..6ea5b20
--- /dev/null
+++ b/templates/admin/kunden_index.html
@@ -0,0 +1,29 @@
+{% extends "admin/layout.html" %}
+{% block title %}Kunden — Tuxflotte Admin{% endblock %}
+{% block admin_content %}
+<h2>Kunden</h2>
+
+<figure>
+<table>
+    <thead><tr><th>Name</th><th>Angelegt</th><th></th></tr></thead>
+    <tbody>
+    {% for org in organizations %}
+        <tr>
+            <td>{{ org.name }}</td>
+            <td>{{ org.created_at }}</td>
+            <td><a href="/admin/kunden/{{ org.id }}" role="button" class="outline">Verwalten</a></td>
+        </tr>
+    {% endfor %}
+    </tbody>
+</table>
+</figure>
+
+<details>
+<summary role="button" class="secondary outline">Neue Organisation anlegen</summary>
+<form method="post" action="/admin/kunden">
+    <label for="name">Name</label>
+    <input type="text" id="name" name="name" required>
+    <button type="submit">Anlegen</button>
+</form>
+</details>
+{% endblock %}