diff --git a/src/Bundle/ChillMainBundle/Controller/UserGroupController.php b/src/Bundle/ChillMainBundle/Controller/UserGroupController.php
new file mode 100644
index 000000000..f1786206c
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Controller/UserGroupController.php
@@ -0,0 +1,177 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Controller;
+
+use Chill\MainBundle\Entity\User;
+use Chill\MainBundle\Entity\UserGroup;
+use Chill\MainBundle\Form\Type\PickUserDynamicType;
+use Chill\MainBundle\Pagination\PaginatorFactoryInterface;
+use Chill\MainBundle\Repository\UserGroupRepositoryInterface;
+use Chill\MainBundle\Routing\ChillUrlGeneratorInterface;
+use Chill\MainBundle\Security\Authorization\UserGroupVoter;
+use Chill\MainBundle\Templating\Entity\ChillEntityRenderManagerInterface;
+use Doctrine\ORM\EntityManagerInterface;
+use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
+use Symfony\Component\Form\Extension\Core\Type\FormType;
+use Symfony\Component\Form\FormFactoryInterface;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\Session\Session;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Security\Core\Security;
+use Symfony\Component\Translation\TranslatableMessage;
+use Twig\Environment;
+
+/**
+ * Controller to see and manage user groups.
+ */
+final readonly class UserGroupController
+{
+    public function __construct(
+        private UserGroupRepositoryInterface $userGroupRepository,
+        private Security $security,
+        private PaginatorFactoryInterface $paginatorFactory,
+        private Environment $twig,
+        private FormFactoryInterface $formFactory,
+        private ChillUrlGeneratorInterface $chillUrlGenerator,
+        private EntityManagerInterface $objectManager,
+        private ChillEntityRenderManagerInterface $chillEntityRenderManager,
+    ) {}
+
+    #[Route('/{_locale}/main/user-groups/my', name: 'chill_main_user_groups_my')]
+    public function myUserGroups(): Response
+    {
+        if (!$this->security->isGranted('ROLE_USER')) {
+            throw new AccessDeniedHttpException();
+        }
+
+        $user = $this->security->getUser();
+
+        if (!$user instanceof User) {
+            throw new AccessDeniedHttpException();
+        }
+
+        $nb = $this->userGroupRepository->countByUser($user);
+        $paginator = $this->paginatorFactory->create($nb);
+
+        $groups = $this->userGroupRepository->findByUser($user, true, $paginator->getItemsPerPage(), $paginator->getCurrentPageFirstItemNumber());
+        $forms = new \SplObjectStorage();
+
+        foreach ($groups as $group) {
+            $forms->attach($group, $this->createFormAppendUserForGroup($group)?->createView());
+        }
+
+        return new Response($this->twig->render('@ChillMain/UserGroup/my_user_groups.html.twig', [
+            'groups' => $groups,
+            'paginator' => $paginator,
+            'forms' => $forms,
+        ]));
+    }
+
+    #[Route('/{_locale}/main/user-groups/{id}/append', name: 'chill_main_user_groups_append_users')]
+    public function appendUsersToGroup(UserGroup $userGroup, Request $request, Session $session): Response
+    {
+        if (!$this->security->isGranted(UserGroupVoter::APPEND_TO_GROUP, $userGroup)) {
+            throw new AccessDeniedHttpException();
+        }
+
+        $form = $this->createFormAppendUserForGroup($userGroup);
+
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            foreach ($form['users']->getData() as $user) {
+                $userGroup->addUser($user);
+
+                $session->getFlashBag()->add(
+                    'success',
+                    new TranslatableMessage(
+                        'user_group.user_added',
+                        [
+                            'user_group' => $this->chillEntityRenderManager->renderString($userGroup, []),
+                            'user' => $this->chillEntityRenderManager->renderString($user, []),
+                        ]
+                    )
+                );
+            }
+
+            $this->objectManager->flush();
+
+            return new RedirectResponse(
+                $this->chillUrlGenerator->returnPathOr('chill_main_user_groups_my')
+            );
+        }
+        if ($form->isSubmitted()) {
+            $errors = [];
+            foreach ($form->getErrors() as $error) {
+                $errors[] = $error->getMessage();
+            }
+
+            return new Response(implode(', ', $errors));
+        }
+
+        return new RedirectResponse(
+            $this->chillUrlGenerator->returnPathOr('chill_main_user_groups_my')
+        );
+    }
+
+    /**
+     * @ParamConverter("user", class=User::class, options={"id" = "userId"})
+     */
+    #[Route('/{_locale}/main/user-group/{id}/user/{userId}/remove', name: 'chill_main_user_groups_remove_user')]
+    public function removeUserToGroup(UserGroup $userGroup, User $user, Session $session): Response
+    {
+        if (!$this->security->isGranted(UserGroupVoter::APPEND_TO_GROUP, $userGroup)) {
+            throw new AccessDeniedHttpException();
+        }
+
+        $userGroup->removeUser($user);
+        $this->objectManager->flush();
+
+        $session->getFlashBag()->add(
+            'success',
+            new TranslatableMessage(
+                'user_group.user_removed',
+                [
+                    'user_group' => $this->chillEntityRenderManager->renderString($userGroup, []),
+                    'user' => $this->chillEntityRenderManager->renderString($user, []),
+                ]
+            )
+        );
+
+        return new RedirectResponse(
+            $this->chillUrlGenerator->returnPathOr('chill_main_user_groups_my')
+        );
+    }
+
+    private function createFormAppendUserForGroup(UserGroup $group): ?FormInterface
+    {
+        if (!$this->security->isGranted(UserGroupVoter::APPEND_TO_GROUP, $group)) {
+            return null;
+        }
+
+        $builder = $this->formFactory->createBuilder(FormType::class, ['users' => []], [
+            'action' => $this->chillUrlGenerator->generateWithReturnPath('chill_main_user_groups_append_users', ['id' => $group->getId()]),
+        ]);
+        $builder->add('users', PickUserDynamicType::class, [
+            'submit_on_adding_new_entity' => true,
+            'label' => 'user_group.append_users',
+            'mapped' => false,
+            'multiple' => true,
+        ]);
+
+        return $builder->getForm();
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/Repository/UserGroupRepository.php b/src/Bundle/ChillMainBundle/Repository/UserGroupRepository.php
index 637846526..e1c54442d 100644
--- a/src/Bundle/ChillMainBundle/Repository/UserGroupRepository.php
+++ b/src/Bundle/ChillMainBundle/Repository/UserGroupRepository.php
@@ -11,20 +11,34 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Repository;
 
+use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Entity\UserGroup;
 use Chill\MainBundle\Search\SearchApiQuery;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\EntityRepository;
+use Symfony\Contracts\Translation\LocaleAwareInterface;
 
-final readonly class UserGroupRepository implements UserGroupRepositoryInterface
+final class UserGroupRepository implements UserGroupRepositoryInterface, LocaleAwareInterface
 {
-    private EntityRepository $repository;
+    private readonly EntityRepository $repository;
+
+    private string $locale;
 
     public function __construct(EntityManagerInterface $em)
     {
         $this->repository = $em->getRepository(UserGroup::class);
     }
 
+    public function setLocale(string $locale): void
+    {
+        $this->locale = $locale;
+    }
+
+    public function getLocale(): string
+    {
+        return $this->locale;
+    }
+
     public function find($id): ?UserGroup
     {
         return $this->repository->find($id);
@@ -66,4 +80,54 @@ final readonly class UserGroupRepository implements UserGroupRepositoryInterface
 
         return $query;
     }
+
+    public function findByUser(User $user, bool $onlyActive = true, ?int $limit = null, ?int $offset = null): array
+    {
+        $qb = $this->buildQueryByUser($user, $onlyActive);
+
+        if (null !== $limit) {
+            $qb->setMaxResults($limit);
+        }
+
+        if (null !== $offset) {
+            $qb->setFirstResult($offset);
+        }
+
+        // ordering thing
+        $qb->addSelect('JSON_EXTRACT(ug.label, :lang) AS HIDDEN label_ordering')
+            ->addOrderBy('label_ordering', 'ASC')
+            ->setParameter('lang', $this->getLocale());
+
+        return $qb->getQuery()->getResult();
+    }
+
+    public function countByUser(User $user, bool $onlyActive = true): int
+    {
+        $qb = $this->buildQueryByUser($user, $onlyActive);
+        $qb->select('count(ug)');
+
+        return $qb->getQuery()->getSingleScalarResult();
+    }
+
+    private function buildQueryByUser(User $user, bool $onlyActive): \Doctrine\ORM\QueryBuilder
+    {
+        $qb = $this->repository->createQueryBuilder('ug');
+        $qb->where(
+            $qb->expr()->orX(
+                $qb->expr()->isMemberOf(':user', 'ug.users'),
+                $qb->expr()->isMemberOf(':user', 'ug.adminUsers')
+            )
+        );
+
+        $qb->setParameter('user', $user);
+
+        if ($onlyActive) {
+            $qb->andWhere(
+                $qb->expr()->eq('ug.active', ':active')
+            );
+            $qb->setParameter('active', true);
+        }
+
+        return $qb;
+    }
 }
diff --git a/src/Bundle/ChillMainBundle/Repository/UserGroupRepositoryInterface.php b/src/Bundle/ChillMainBundle/Repository/UserGroupRepositoryInterface.php
index 9512e7b25..c3a729ad4 100644
--- a/src/Bundle/ChillMainBundle/Repository/UserGroupRepositoryInterface.php
+++ b/src/Bundle/ChillMainBundle/Repository/UserGroupRepositoryInterface.php
@@ -11,6 +11,7 @@ declare(strict_types=1);
 
 namespace Chill\MainBundle\Repository;
 
+use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Entity\UserGroup;
 use Chill\MainBundle\Search\SearchApiQuery;
 use Doctrine\Persistence\ObjectRepository;
@@ -24,4 +25,8 @@ interface UserGroupRepositoryInterface extends ObjectRepository
      * Provide a SearchApiQuery for searching amongst user groups.
      */
     public function provideSearchApiQuery(string $pattern, string $lang, string $selectKey = 'user-group'): SearchApiQuery;
+
+    public function findByUser(User $user, bool $onlyActive = true, ?int $limit = null, ?int $offset = null): array;
+
+    public function countByUser(User $user, bool $onlyActive = true): int;
 }
diff --git a/src/Bundle/ChillMainBundle/Resources/views/UserGroup/my_user_groups.html.twig b/src/Bundle/ChillMainBundle/Resources/views/UserGroup/my_user_groups.html.twig
new file mode 100644
index 000000000..7f13c1618
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Resources/views/UserGroup/my_user_groups.html.twig
@@ -0,0 +1,160 @@
+{% extends '@ChillMain/layout.html.twig' %}
+
+{% block css %}
+    {{ parent() }}
+    {{ encore_entry_link_tags('mod_pickentity_type') }}
+
+    <style type="text/css">
+        form.remove {
+            display: inline-block;
+            padding: 1px;
+            border: 1px solid transparent;
+            border-radius: 4px;
+        }
+        form:hover {
+            animation-duration: 0.5s;
+            animation-name: onHover;
+            animation-iteration-count: 1;
+            border: 1px solid #dee2e6;
+            border-radius: 4px;
+        }
+        form.remove button.remove {
+            display: inline;
+            background-color: unset;
+            border: none;
+            color: var(--bs-chill-red);
+        }
+
+        @keyframes onHover {
+           from {
+               border: 1px solid transparent;
+           }
+           to {
+               border: 1px solid #dee2e6;
+           }
+        }
+    </style>
+{% endblock %}
+
+{% block js %}
+    {{ parent() }}
+    {{ encore_entry_script_tags('mod_pickentity_type') }}
+{% endblock %}
+
+{% block title 'user_group.my_groups'|trans %}
+
+{% block content %}
+    <h1>{{ block('title') }}</h1>
+
+    {% if paginator.totalItems == 0 %}
+        <p>{{ 'user_group.no_user_groups'|trans }}</p>
+    {% else %}
+        <div class="flex-table">
+            {% for entity in groups %}
+                <div class="item-bloc">
+                    <div class="item-row">
+                        <div class="wrap-header">
+                            <div class="wh-row">
+                                <div class="wh-col">
+                                    {{ entity|chill_entity_render_box }}
+                                </div>
+                                <div class="wh-col">
+                                    {%- if not entity.active -%}
+                                        <div>
+                                            <span class="badge bg-danger">{{ 'user_group.inactive'|trans }}</span>
+                                        </div>&nbsp;
+                                    {%- endif -%}
+                                    <div>{{ 'user_group.with_count_users'|trans({'count': entity.users|length}) }}</div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                    <div class="item-row separator">
+                        <div class="wrap-list">
+                            <div class="wl-row">
+                                <div class="wl-col title">
+                                    <strong>{{ 'user_group.with_users'|trans }}</strong>
+                                </div>
+                                <div class="wl-col list">
+                                    {% if entity.users.contains(app.user) %}
+                                        {% if is_granted('CHILL_MAIN_USER_GROUP_APPEND_TO_GROUP', entity) %}
+                                            <form class="remove" method="POST" action="{{ chill_path_add_return_path('chill_main_user_groups_remove_user', {'id': entity.id, 'userId': app.user.id}) }}">
+                                                <p class="wl-item">
+                                                    {{ 'user_group.me'|trans }}
+                                                    <button class="remove" type="submit"><i class="fa fa-times"></i></button>
+                                                </p>
+                                            </form>
+                                        {% else %}
+                                            <p class="wl-item">
+                                                {% if entity.users|length > 1 %}{{ 'user_group.me_and'|trans }}{% else %}{{ 'user_group.me_only'|trans }}{% endif %}
+                                            </p>
+                                        {% endif %}
+                                    {% endif %}
+                                    {% for user in entity.userListByLabelAscending %}
+                                        {% if user is not same as app.user %}
+                                            {% if is_granted('CHILL_MAIN_USER_GROUP_APPEND_TO_GROUP', entity) %}
+                                                <form class="remove" method="POST" action="{{ chill_path_add_return_path('chill_main_user_groups_remove_user', {'id': entity.id, 'userId': user.id}) }}">
+                                                    <p class="wl-item">
+                                                        <span class="badge-user">
+                                                            {{ user|chill_entity_render_box }}
+                                                        </span>
+                                                        <button class="remove" type="submit"><i class="fa fa-times"></i></button>
+                                                    </p>
+                                                </form>
+                                            {% else %}
+                                                <p class="wl-item">
+                                                    <span class="badge-user">
+                                                        {{ user|chill_entity_render_box }}
+                                                    </span>
+                                                </p>
+                                            {% endif %}
+                                        {% endif %}
+                                    {% endfor %}
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                    {% if entity.adminUsers|length > 0 %}
+                        <div class="item-row separator">
+                            <div class="wrap-list">
+                                <div class="wl-row">
+                                    <div class="wl-col title">
+                                        <strong>{{ 'user_group.adminUsers'|trans }}</strong>
+                                    </div>
+                                    <div class="wl-col list">
+                                        {% if entity.adminUsers.contains(app.user) %}
+                                            <p class="wl-item">{% if entity.adminUsers|length > 1 %}{{ 'user_group.me_and'|trans }}{% else %}{{ 'user_group.me_only'|trans }}{% endif %}</p>
+                                        {% endif %}
+                                        {% for user in entity.adminUserListByLabelAscending %}
+                                            {% if user is not same as app.user %}
+                                                <p class="wl-item">
+                                                    <span class="badge-user">
+                                                        {{ user|chill_entity_render_box }}
+                                                    </span>
+                                                </p>
+                                            {% endif %}
+                                        {% endfor %}
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                    {% endif -%}
+                    {%- set form = forms.offsetGet(entity) %}
+                    {%- if form is not null -%}
+                        <div class="item-row separator">
+                            <ul class="record_actions slim">
+                                <li>
+                                    {{- form_start(form) -}}
+                                    {{- form_widget(form.users) -}}
+                                    {{- form_end(form) -}}
+                                </li>
+                            </ul>
+                        </div>
+                    {%- endif %}
+                </div>
+            {% endfor %}
+        </div>
+
+        {{ chill_pagination(paginator) }}
+    {% endif %}
+{% endblock %}
diff --git a/src/Bundle/ChillMainBundle/Resources/views/layout.html.twig b/src/Bundle/ChillMainBundle/Resources/views/layout.html.twig
index bef5c9abd..30f84c855 100644
--- a/src/Bundle/ChillMainBundle/Resources/views/layout.html.twig
+++ b/src/Bundle/ChillMainBundle/Resources/views/layout.html.twig
@@ -49,19 +49,19 @@
 
                             {% for flashMessage in app.session.flashbag.get('success') %}
                                 <div class="alert alert-success flash_message">
-                                    <span>{{ flashMessage|raw }}</span>
+                                    <span>{{ flashMessage|trans }}</span>
                                 </div>
                             {% endfor %}
 
                             {% for flashMessage in app.session.flashbag.get('error') %}
                                 <div class="alert alert-danger flash_message">
-                                    <span>{{ flashMessage|raw }}</span>
+                                    <span>{{ flashMessage|trans }}</span>
                                 </div>
                             {% endfor %}
 
                             {% for flashMessage in app.session.flashbag.get('notice') %}
                                 <div class="alert alert-warning flash_message">
-                                    <span>{{ flashMessage|raw }}</span>
+                                    <span>{{ flashMessage|trans }}</span>
                                 </div>
                             {% endfor %}
 
diff --git a/src/Bundle/ChillMainBundle/Routing/MenuBuilder/UserMenuBuilder.php b/src/Bundle/ChillMainBundle/Routing/MenuBuilder/UserMenuBuilder.php
index 3427face3..228e2c967 100644
--- a/src/Bundle/ChillMainBundle/Routing/MenuBuilder/UserMenuBuilder.php
+++ b/src/Bundle/ChillMainBundle/Routing/MenuBuilder/UserMenuBuilder.php
@@ -60,7 +60,6 @@ class UserMenuBuilder implements LocalMenuBuilderInterface
 
             $nbNotifications = $this->notificationByUserCounter->countUnreadByUser($user);
 
-            // TODO add an icon? How exactly? For example a clock icon...
             $menu
                 ->addChild($this->translator->trans('absence.Set absence date'), [
                     'route' => 'chill_main_user_absence_index',
@@ -69,6 +68,14 @@ class UserMenuBuilder implements LocalMenuBuilderInterface
                     'order' => -8_888_888,
                 ]);
 
+            $menu
+                ->addChild($this->translator->trans('user_group.my_groups'), [
+                    'route' => 'chill_main_user_groups_my',
+                ])
+                ->setExtras([
+                    'order' => -7_777_777,
+                ]);
+
             $menu
                 ->addChild(
                     $this->translator->trans('notification.My notifications with counter', ['nb' => $nbNotifications]),
diff --git a/src/Bundle/ChillMainBundle/Security/Authorization/UserGroupVoter.php b/src/Bundle/ChillMainBundle/Security/Authorization/UserGroupVoter.php
new file mode 100644
index 000000000..7256c2567
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Security/Authorization/UserGroupVoter.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Security\Authorization;
+
+use Chill\MainBundle\Entity\User;
+use Chill\MainBundle\Entity\UserGroup;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Voter;
+use Symfony\Component\Security\Core\Security;
+
+final class UserGroupVoter extends Voter
+{
+    public const APPEND_TO_GROUP = 'CHILL_MAIN_USER_GROUP_APPEND_TO_GROUP';
+
+    public function __construct(private readonly Security $security) {}
+
+    protected function supports(string $attribute, $subject)
+    {
+        return self::APPEND_TO_GROUP === $attribute && $subject instanceof UserGroup;
+    }
+
+    protected function voteOnAttribute(string $attribute, $subject, TokenInterface $token)
+    {
+        /* @var UserGroup $subject */
+        if ($this->security->isGranted('ROLE_ADMIN')) {
+            return true;
+        }
+
+        $user = $this->security->getUser();
+
+        if (!$user instanceof User) {
+            return false;
+        }
+
+        return $subject->getAdminUsers()->contains($user);
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/translations/messages+intl-icu.fr.yaml b/src/Bundle/ChillMainBundle/translations/messages+intl-icu.fr.yaml
index ecfd0f5c8..79205862a 100644
--- a/src/Bundle/ChillMainBundle/translations/messages+intl-icu.fr.yaml
+++ b/src/Bundle/ChillMainBundle/translations/messages+intl-icu.fr.yaml
@@ -13,6 +13,8 @@ user_group:
             many {# utilisateurs}
             other {# utilisateurs}
         }
+    user_removed: L'utilisateur {user} est enlevé du groupe {user_group} avec succès
+    user_added: L'utilisateur {user} est ajouté groupe {user_group} avec succès
 
 notification:
     My notifications with counter: >-
diff --git a/src/Bundle/ChillMainBundle/translations/messages.fr.yml b/src/Bundle/ChillMainBundle/translations/messages.fr.yml
index 484e72a41..bec5e1adb 100644
--- a/src/Bundle/ChillMainBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillMainBundle/translations/messages.fr.yml
@@ -53,7 +53,7 @@ user:
 
 user_group:
     inactive: Inactif
-    with_users: Associé aux utilisateurs
+    with_users: Membres
     no_users: Aucun utilisateur associé
     no_admin_users: Aucun administrateur
     Label: Nom du groupe
@@ -64,6 +64,11 @@ user_group:
     Users: Membres du groupe
     adminUsers: Administrateurs du groupe
     adminUsersHelp: Les administrateurs du groupe peuvent ajouter ou retirer des membres dans le groupe.
+    my_groups: Mes groupes
+    me_and: Moi et
+    me_only: Uniquement moi
+    me: Moi
+    append_users: Ajouter des utilisateurs
 
 inactive: inactif