diff --git a/web/admin/groups.php b/web/admin/groups.php
new file mode 100644
index 0000000..0a64b27
--- /dev/null
+++ b/web/admin/groups.php
@@ -0,0 +1,127 @@
+<?php
+require_once __DIR__ . '/../inc/config.php';
+require_once __DIR__ . '/../inc/auth.php';
+require_once __DIR__ . '/../inc/keycloak.php';
+require_once __DIR__ . '/../inc/services.php';
+
+session_start_safe();
+require_admin();
+
+$errors  = [];
+$success = '';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $action = $_POST['action'] ?? '';
+
+    if ($action === 'create') {
+        $name = trim($_POST['name'] ?? '');
+        if (!$name) {
+            $errors[] = 'Le nom du groupe est obligatoire.';
+        } else {
+            try {
+                kc_create_group($name);
+                set_flash('success', "Groupe « $name » créé.");
+                header('Location: /admin/groups.php'); exit;
+            } catch (Exception $e) { $errors[] = $e->getMessage(); }
+        }
+    }
+
+    if ($action === 'delete') {
+        $group_id = $_POST['group_id'] ?? '';
+        if ($group_id) {
+            try {
+                kc_delete_group($group_id);
+                set_flash('success', 'Groupe supprimé.');
+                header('Location: /admin/groups.php'); exit;
+            } catch (Exception $e) { $errors[] = $e->getMessage(); }
+        }
+    }
+}
+
+$groups   = kc_list_groups();
+$services = services_list();
+
+// Indexe les services par groupe requis
+$services_by_group = [];
+foreach ($services as $s) {
+    foreach ($s['groups'] ?? [] as $g) {
+        $services_by_group[$g][] = $s['name'];
+    }
+}
+
+$title = 'Gestion des groupes';
+require __DIR__ . '/../views/layout.php';
+?>
+
+<div class="admin-page">
+  <div class="page-header">
+    <h1>Gestion des groupes</h1>
+    <div class="admin-nav">
+      <a href="/admin/members.php">Membres</a>
+      <a href="/admin/groups.php" class="active">Groupes</a>
+      <a href="/admin/services.php">Services</a>
+    </div>
+  </div>
+
+  <?php if ($errors): ?>
+    <div class="alert alert-error"><ul><?php foreach ($errors as $e): ?><li><?= htmlspecialchars($e) ?></li><?php endforeach; ?></ul></div>
+  <?php endif; ?>
+
+  <!-- Liste des groupes -->
+  <div class="card">
+    <h2>Groupes Keycloak (<?= count($groups) ?>)</h2>
+    <?php if (!$groups): ?>
+      <p class="text-muted">Aucun groupe trouvé.</p>
+    <?php else: ?>
+    <table>
+      <thead>
+        <tr><th>Nom</th><th>Membres</th><th>Services associés</th><th>Actions</th></tr>
+      </thead>
+      <tbody>
+        <?php foreach ($groups as $g):
+          $members = kc_group_members($g['id']);
+          $linked  = $services_by_group[$g['name']] ?? [];
+        ?>
+        <tr>
+          <td><strong><?= htmlspecialchars($g['name']) ?></strong></td>
+          <td><?= count($members) ?></td>
+          <td>
+            <?php if ($linked): ?>
+              <?php foreach ($linked as $svc): ?>
+                <span class="badge"><?= htmlspecialchars($svc) ?></span>
+              <?php endforeach; ?>
+            <?php else: ?>
+              <span class="text-muted small">—</span>
+            <?php endif; ?>
+          </td>
+          <td>
+            <form method="post" style="display:inline"
+                  onsubmit="return confirm('Supprimer le groupe « <?= htmlspecialchars(addslashes($g['name'])) ?> » ?')">
+              <input type="hidden" name="action"   value="delete">
+              <input type="hidden" name="group_id" value="<?= htmlspecialchars($g['id']) ?>">
+              <button type="submit" class="btn-danger btn-sm">Supprimer</button>
+            </form>
+          </td>
+        </tr>
+        <?php endforeach; ?>
+      </tbody>
+    </table>
+    <?php endif; ?>
+  </div>
+
+  <!-- Créer un groupe -->
+  <div class="card">
+    <h2>Créer un groupe</h2>
+    <form method="post" style="display:flex; gap:.8rem; align-items:flex-end">
+      <input type="hidden" name="action" value="create">
+      <div class="form-group" style="margin:0; flex:1">
+        <label>Nom du groupe</label>
+        <input type="text" name="name" required placeholder="ex: bureau, moderateurs…"
+               value="<?= htmlspecialchars($_POST['name'] ?? '') ?>">
+      </div>
+      <button type="submit" class="btn-primary">Créer</button>
+    </form>
+  </div>
+</div>
+
+<?php require __DIR__ . '/../views/layout_end.php'; ?>
diff --git a/web/admin/members.php b/web/admin/members.php
index b47bad3..5bfc1e2 100644
--- a/web/admin/members.php
+++ b/web/admin/members.php
@@ -28,6 +28,7 @@ require __DIR__ . '/../views/layout.php';
     <h1>Gestion des membres</h1>
     <div class="admin-nav">
       <a href="/admin/members.php" class="active">Membres</a>
+      <a href="/admin/groups.php">Groupes</a>
       <a href="/admin/services.php">Services</a>
     </div>
   </div>
diff --git a/web/admin/services.php b/web/admin/services.php
index e7828f9..7c5ca84 100644
--- a/web/admin/services.php
+++ b/web/admin/services.php
@@ -2,36 +2,39 @@
 require_once __DIR__ . '/../inc/config.php';
 require_once __DIR__ . '/../inc/auth.php';
 require_once __DIR__ . '/../inc/services.php';
+require_once __DIR__ . '/../inc/keycloak.php';
 
 session_start_safe();
 require_admin();
 
+$kc_groups = kc_list_groups();
+$group_names = array_column($kc_groups, 'name');
+
 if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     $updated = [];
     foreach ($_POST as $key => $val) {
         if (!str_starts_with($key, 'name_')) continue;
         $idx = substr($key, 5);
         $updated[] = [
-            'name'              => trim($val),
-            'url'               => trim($_POST["url_$idx"] ?? ''),
-            'description'       => trim($_POST["description_$idx"] ?? ''),
-            'requires_adherent' => isset($_POST["requires_$idx"]),
-            'visible'           => isset($_POST["visible_$idx"]),
+            'name'        => trim($val),
+            'url'         => trim($_POST["url_$idx"]         ?? ''),
+            'description' => trim($_POST["description_$idx"] ?? ''),
+            'groups'      => (array)($_POST["groups_$idx"]   ?? []),
+            'visible'     => isset($_POST["visible_$idx"]),
         ];
     }
-    // Ajout d'un nouveau service si rempli
     $new_name = trim($_POST['new_name'] ?? '');
     if ($new_name) {
         $updated[] = [
-            'name'              => $new_name,
-            'url'               => trim($_POST['new_url'] ?? ''),
-            'description'       => trim($_POST['new_description'] ?? ''),
-            'requires_adherent' => isset($_POST['new_requires']),
-            'visible'           => isset($_POST['new_visible']),
+            'name'        => $new_name,
+            'url'         => trim($_POST['new_url']         ?? ''),
+            'description' => trim($_POST['new_description'] ?? ''),
+            'groups'      => (array)($_POST['new_groups']   ?? []),
+            'visible'     => isset($_POST['new_visible']),
         ];
     }
     services_save($updated);
-    set_flash('success', 'Configuration des services sauvegardée.');
+    set_flash('success', 'Services sauvegardés.');
     header('Location: /admin/services.php');
     exit;
 }
@@ -46,16 +49,12 @@ require __DIR__ . '/../views/layout.php';
     <h1>Paramétrage des services</h1>
     <div class="admin-nav">
       <a href="/admin/members.php">Membres</a>
+      <a href="/admin/groups.php">Groupes</a>
       <a href="/admin/services.php" class="active">Services</a>
     </div>
   </div>
 
   <div class="card">
-    <p class="text-muted">
-      Définissez quels services sont accessibles aux simples inscrits
-      et lesquels nécessitent une adhésion validée.
-    </p>
-
     <form method="post">
       <table class="services-table">
         <thead>
@@ -63,7 +62,7 @@ require __DIR__ . '/../views/layout.php';
             <th>Nom</th>
             <th>URL</th>
             <th>Description</th>
-            <th>Adhérent requis</th>
+            <th>Groupes requis</th>
             <th>Visible</th>
           </tr>
         </thead>
@@ -73,26 +72,46 @@ require __DIR__ . '/../views/layout.php';
             <td><input type="text" name="name_<?= $i ?>" value="<?= htmlspecialchars($s['name']) ?>" required></td>
             <td><input type="url"  name="url_<?= $i ?>"  value="<?= htmlspecialchars($s['url']) ?>"></td>
             <td><input type="text" name="description_<?= $i ?>" value="<?= htmlspecialchars($s['description']) ?>"></td>
-            <td class="center">
-              <input type="checkbox" name="requires_<?= $i ?>" <?= $s['requires_adherent'] ? 'checked' : '' ?>>
+            <td>
+              <div class="group-checks">
+                <?php foreach ($group_names as $gn): ?>
+                  <label class="group-check-label">
+                    <input type="checkbox" name="groups_<?= $i ?>[]" value="<?= htmlspecialchars($gn) ?>"
+                           <?= in_array($gn, $s['groups'], true) ? 'checked' : '' ?>>
+                    <?= htmlspecialchars($gn) ?>
+                  </label>
+                <?php endforeach; ?>
+                <?php if (!$group_names): ?>
+                  <span class="text-muted small">Aucun groupe</span>
+                <?php endif; ?>
+              </div>
             </td>
             <td class="center">
               <input type="checkbox" name="visible_<?= $i ?>" <?= $s['visible'] ? 'checked' : '' ?>>
             </td>
           </tr>
           <?php endforeach; ?>
-          <!-- Ligne ajout nouveau service -->
           <tr class="new-row">
             <td><input type="text" name="new_name" placeholder="Nouveau service"></td>
             <td><input type="url"  name="new_url"  placeholder="https://..."></td>
             <td><input type="text" name="new_description" placeholder="Description"></td>
-            <td class="center"><input type="checkbox" name="new_requires"></td>
+            <td>
+              <div class="group-checks">
+                <?php foreach ($group_names as $gn): ?>
+                  <label class="group-check-label">
+                    <input type="checkbox" name="new_groups[]" value="<?= htmlspecialchars($gn) ?>">
+                    <?= htmlspecialchars($gn) ?>
+                  </label>
+                <?php endforeach; ?>
+              </div>
+            </td>
             <td class="center"><input type="checkbox" name="new_visible" checked></td>
           </tr>
         </tbody>
       </table>
-
-      <button type="submit" class="btn-primary">Enregistrer</button>
+      <div style="margin-top:1rem">
+        <button type="submit" class="btn-primary">Enregistrer</button>
+      </div>
     </form>
   </div>
 </div>
diff --git a/web/assets/style.css b/web/assets/style.css
index ca565d7..3f7ec2c 100644
--- a/web/assets/style.css
+++ b/web/assets/style.css
@@ -256,6 +256,8 @@ td.center { text-align: center; }
   padding: .3rem .5rem; font-size: .85rem;
 }
 .new-row td { background: #eef1ff; }
+.group-checks { display: flex; flex-direction: column; gap: .2rem; }
+.group-check-label { display: flex; align-items: center; gap: .4rem; font-size: .8rem; cursor: pointer; white-space: nowrap; }
 
 /* ── Helpers ──────────────────────────────────────────────────────── */
 .text-success { color: var(--success); }
diff --git a/web/inc/keycloak.php b/web/inc/keycloak.php
index ab229d0..bc958c2 100644
--- a/web/inc/keycloak.php
+++ b/web/inc/keycloak.php
@@ -174,6 +174,29 @@ function kc_list_users(int $max = 200): array {
     return $users;
 }
 
+function kc_list_groups(): array {
+    $resp = _kc_request('GET', '/groups?max=200&briefRepresentation=false');
+    if ($resp['status'] !== 200) return [];
+    return json_decode($resp['body'], true) ?? [];
+}
+
+function kc_create_group(string $name): void {
+    $resp = _kc_request('POST', '/groups', ['name' => $name]);
+    if ($resp['status'] === 409) throw new RuntimeException("Le groupe « $name » existe déjà.");
+    if ($resp['status'] !== 201) throw new RuntimeException("Erreur création groupe ({$resp['status']})");
+}
+
+function kc_delete_group(string $group_id): void {
+    $resp = _kc_request('DELETE', "/groups/$group_id");
+    if ($resp['status'] >= 300) throw new RuntimeException("Erreur suppression groupe ({$resp['status']})");
+}
+
+function kc_group_members(string $group_id, int $max = 200): array {
+    $resp = _kc_request('GET', "/groups/$group_id/members?max=$max");
+    if ($resp['status'] !== 200) return [];
+    return json_decode($resp['body'], true) ?? [];
+}
+
 function _kc_group_id(string $group_name): string {
     $resp = _kc_request('GET', '/groups?search=' . urlencode($group_name));
     $groups = json_decode($resp['body'], true) ?? [];
diff --git a/web/inc/services.php b/web/inc/services.php
index 8604554..67710d3 100644
--- a/web/inc/services.php
+++ b/web/inc/services.php
@@ -2,23 +2,38 @@
 require_once __DIR__ . '/config.php';
 
 const DEFAULT_SERVICES = [
-    ['name' => 'Wiki',            'url' => 'https://wiki.alpinux.org',          'description' => 'Documentation et guides',        'requires_adherent' => false, 'visible' => true],
-    ['name' => 'Gitea',           'url' => 'https://gitea.alpinux.org',          'description' => 'Forge de code',                  'requires_adherent' => false, 'visible' => true],
-    ['name' => 'Quiz interactifs','url' => 'https://dynamic.alpinux.org',        'description' => 'Jeux et quiz',                   'requires_adherent' => false, 'visible' => true],
-    ['name' => 'Install Party',   'url' => 'https://installparty.alpinux.org',   'description' => 'Événements et ateliers',         'requires_adherent' => false, 'visible' => true],
-    ['name' => 'Nextcloud',       'url' => 'https://cloud.alpinux.org',          'description' => 'Stockage et collaboration',      'requires_adherent' => true,  'visible' => true],
-    ['name' => 'Dolibarr',        'url' => 'https://dolibarr.alpinux.org',       'description' => 'Gestion de l\'association',      'requires_adherent' => true,  'visible' => true],
+    ['name' => 'Wiki',            'url' => 'https://wiki.alpinux.org',          'description' => 'Documentation et guides',        'groups' => [],              'visible' => true],
+    ['name' => 'Gitea',           'url' => 'https://gitea.alpinux.org',          'description' => 'Forge de code',                  'groups' => [],              'visible' => true],
+    ['name' => 'Quiz interactifs','url' => 'https://dynamic.alpinux.org',        'description' => 'Jeux et quiz',                   'groups' => [],              'visible' => true],
+    ['name' => 'Install Party',   'url' => 'https://installparty.alpinux.org',   'description' => 'Événements et ateliers',         'groups' => [],              'visible' => true],
+    ['name' => 'Nextcloud',       'url' => 'https://cloud.alpinux.org',          'description' => 'Stockage et collaboration',      'groups' => ['adherents'],   'visible' => true],
+    ['name' => 'Dolibarr',        'url' => 'https://dolibarr.alpinux.org',       'description' => 'Gestion de l\'association',      'groups' => ['adherents'],   'visible' => true],
 ];
 
 function services_list(): array {
     $file = SERVICES_FILE;
     if (is_file($file)) {
         $data = json_decode(file_get_contents($file), true);
-        if (is_array($data)) return $data;
+        if (is_array($data)) return array_map('_service_normalize', $data);
     }
     return DEFAULT_SERVICES;
 }
 
+function _service_normalize(array $s): array {
+    // Migre l'ancien champ requires_adherent vers groups
+    if (!array_key_exists('groups', $s)) {
+        $s['groups'] = ($s['requires_adherent'] ?? false) ? [ADHERENT_GROUP] : [];
+    }
+    unset($s['requires_adherent']);
+    return $s;
+}
+
+function service_accessible(array $service, array $user_groups, bool $is_admin): bool {
+    if ($is_admin) return true;
+    $required = $service['groups'] ?? [];
+    return empty($required) || (bool) array_intersect($required, $user_groups);
+}
+
 function services_save(array $services): void {
     $dir = dirname(SERVICES_FILE);
     if (!is_dir($dir)) mkdir($dir, 0755, true);
diff --git a/web/index.php b/web/index.php
index a1b5cf6..e063a59 100644
--- a/web/index.php
+++ b/web/index.php
@@ -9,10 +9,9 @@ $user     = current_user();
 $title    = 'Portail Alpinux';
 $services = services_list();
 
-$is_adherent = $user && (
-    $user['is_adherent'] ||
-    ($user['is_admin'] ?? false)
-);
+$is_admin    = $user && ($user['is_admin'] ?? false);
+$is_adherent = $user && ($user['is_adherent'] || $is_admin);
+$user_groups = $user['groups'] ?? [];
 
 require __DIR__ . '/views/layout.php';
 ?>
@@ -69,7 +68,7 @@ require __DIR__ . '/views/layout.php';
   <h2>Nos services</h2>
   <div class="grid">
     <?php foreach ($services as $s): if (!$s['visible']) continue;
-      $can_access = !$s['requires_adherent'] || $is_adherent; ?>
+      $can_access = service_accessible($s, $user_groups, $is_admin); ?>
     <div class="service-card <?= $s['requires_adherent'] ? 'adherent-only' : '' ?> <?= (!$can_access) ? 'locked' : '' ?>">
       <div class="service-header">
         <strong><?= htmlspecialchars($s['name']) ?></strong>
diff --git a/web/profile.php b/web/profile.php
index 774c260..543a13b 100644
--- a/web/profile.php
+++ b/web/profile.php
@@ -186,7 +186,12 @@ require __DIR__ . '/views/layout.php';
     <div class="tile-header">
       <div class="tile-label">
         <div class="tile-title">Mon compte</div>
-        <div class="tile-sub"><?= htmlspecialchars($user['username']) ?></div>
+        <div class="tile-sub">
+          <?= htmlspecialchars($user['username']) ?>
+          <?php if ($user['is_admin']): ?>
+            <span class="badge badge-admin" style="margin-left:.4rem">Admin</span>
+          <?php endif; ?>
+        </div>
       </div>
       <?php if ($edit !== 'email'): ?>
         <a href="?edit=email" class="btn-outline btn-sm tile-action">Modifier</a>