diff --git a/.changes/unreleased/Feature-20250219-120928.yaml b/.changes/unreleased/Feature-20250219-120928.yaml
new file mode 100644
index 000000000..3c4f000e4
--- /dev/null
+++ b/.changes/unreleased/Feature-20250219-120928.yaml
@@ -0,0 +1,6 @@
+kind: Feature
+body: Add a list of third parties from within the admin (csv download)
+time: 2025-02-19T12:09:28.487991703+01:00
+custom:
+    Issue: "341"
+    SchemaChange: No schema change
diff --git a/src/Bundle/ChillPersonBundle/config/services/controller.yaml b/src/Bundle/ChillPersonBundle/config/services/controller.yaml
index d8374433f..b06d13f14 100644
--- a/src/Bundle/ChillPersonBundle/config/services/controller.yaml
+++ b/src/Bundle/ChillPersonBundle/config/services/controller.yaml
@@ -71,9 +71,8 @@ services:
     Chill\PersonBundle\Controller\PersonSignatureController:
         tags: [ 'controller.service_arguments' ]
 
-    Chill\PersonBundle\Controller\SocialIssueCSVExportController:
-        tags: [ 'controller.service_arguments' ]
-
     Chill\PersonBundle\Controller\SocialActionCSVExportController:
         tags: [ 'controller.service_arguments' ]
 
+    Chill\PersonBundle\Controller\SocialIssueCSVExportController:
+        tags: [ 'controller.service_arguments' ]
diff --git a/src/Bundle/ChillThirdPartyBundle/Controller/ThirdpartyCSVExportController.php b/src/Bundle/ChillThirdPartyBundle/Controller/ThirdpartyCSVExportController.php
new file mode 100644
index 000000000..98d0ffafd
--- /dev/null
+++ b/src/Bundle/ChillThirdPartyBundle/Controller/ThirdpartyCSVExportController.php
@@ -0,0 +1,104 @@
+<?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\ThirdPartyBundle\Controller;
+
+use Chill\ThirdPartyBundle\Repository\ThirdPartyRepository;
+use League\Csv\CannotInsertRecord;
+use League\Csv\Exception;
+use League\Csv\UnavailableStream;
+use League\Csv\Writer;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Security\Core\Security;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+class ThirdpartyCSVExportController extends AbstractController
+{
+    public function __construct(
+        private readonly Security $security,
+        private readonly TranslatorInterface $translator,
+        private readonly ThirdPartyRepository $thirdPartyRepository,
+    ) {}
+
+    /**
+     * @throws UnavailableStream
+     * @throws CannotInsertRecord
+     * @throws Exception
+     */
+    #[Route(path: '/{_locale}/admin/thirdparty/export/list.{_format}', name: 'chill_thirdparty_admin_export_list', requirements: ['_format' => 'csv'])]
+    public function socialIssueList(Request $request, string $_format = 'csv'): StreamedResponse
+    {
+        if (!$this->security->isGranted('ROLE_ADMIN')) {
+            throw new AccessDeniedHttpException('Only ROLE_ADMIN can export this list');
+        }
+
+        $streamCallback = function () use ($request) {
+            $output = fopen('php://output', 'w');
+
+            // Add BOM for UTF-8
+            fwrite($output, "\xEF\xBB\xBF");
+
+            // Create CSV writer
+            $csv = Writer::createFromStream($output);
+
+            // Write header row
+            $header = array_map(
+                fn (string $e) => $this->translator->trans($e),
+                [
+                    'Id',
+                    'Kind',
+                    'Civility',
+                    'Firstname',
+                    'Name',
+                    'Profession',
+                    'Telephone',
+                    'Email',
+                    'Address',
+                    'Comment',
+                    'Parent',
+                    'Name_company',
+                    'Acronym',
+                    'Active',
+                    'Contact id',
+                    'Contact name',
+                    'Contact  firstname',
+                    'Contact phone',
+                    'Contact email',
+                    'Contact address',
+                    'Contact profession',
+                ]
+            );
+            $csv->insertOne($header);
+
+            foreach ($this->thirdPartyRepository->findThirdpartiesWithContacts($request->getLocale()) as $row) {
+                $csv->insertOne($row);
+                flush();
+            }
+        };
+
+        return new StreamedResponse(
+            function () use ($streamCallback) {
+                $streamCallback();
+            },
+            Response::HTTP_OK,
+            [
+                'Content-Encoding' => 'none',
+                'Content-Type' => 'text/csv; charset=UTF-8',
+                'Content-Disposition' => 'attachment; filename="thirdparties.csv"',
+            ]
+        );
+    }
+}
diff --git a/src/Bundle/ChillThirdPartyBundle/Repository/ThirdPartyRepository.php b/src/Bundle/ChillThirdPartyBundle/Repository/ThirdPartyRepository.php
index 7390808c8..d4e0e55ee 100644
--- a/src/Bundle/ChillThirdPartyBundle/Repository/ThirdPartyRepository.php
+++ b/src/Bundle/ChillThirdPartyBundle/Repository/ThirdPartyRepository.php
@@ -12,6 +12,7 @@ declare(strict_types=1);
 namespace Chill\ThirdPartyBundle\Repository;
 
 use Chill\ThirdPartyBundle\Entity\ThirdParty;
+use Doctrine\DBAL\Connection;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\EntityRepository;
 use Doctrine\ORM\Query;
@@ -22,11 +23,63 @@ class ThirdPartyRepository implements ObjectRepository
 {
     private readonly EntityRepository $repository;
 
-    public function __construct(EntityManagerInterface $em)
+    public function __construct(EntityManagerInterface $em, private readonly Connection $connection)
     {
         $this->repository = $em->getRepository(ThirdParty::class);
     }
 
+    public function findThirdpartiesWithContacts(string $lang): iterable
+    {
+        $sql = "
+        SELECT
+            parent.id AS Id,
+            CASE
+                WHEN parent.kind = 'company' THEN 'Personne morale'
+                ELSE 'Personne physique'
+            END AS kind,
+            parent_civility.name->>? AS civility,
+            parent.firstname AS firstname,
+            parent.name AS name,
+            parent.profession AS profession,
+            parent.telephone AS telephone,
+            parent.email AS email,
+            CONCAT_WS(' ', parent_address.street, parent_address.streetnumber, parent_postal.code, parent_postal.label) AS address,
+            parent.comment AS comment,
+            parent.parent_id AS parent,
+            parent.name_company AS name_company,
+            parent.acronym AS acronym,
+            CASE WHEN parent.active THEN 'X' ELSE '' END AS active,
+
+            -- Contact (child third-party) details
+            contact.id AS contact_id,
+            contact.name AS contact_name,
+            contact.firstname AS contact_firstname,
+            contact.telephone AS contact_phone,
+            contact.email AS contact_email,
+            contact.profession AS contact_profession,
+            CONCAT_WS(' ', contact_address.street, contact_address.streetnumber, contact_postal.code, contact_postal.label) AS contact_address
+
+        FROM chill_3party.third_party parent
+        LEFT JOIN chill_main_civility parent_civility ON parent.civility_id = parent_civility.id
+        LEFT JOIN chill_main_address parent_address ON parent.address_id = parent_address.id
+        LEFT JOIN chill_main_postal_code parent_postal ON parent_address.postcode_id = parent_postal.id
+
+        -- Join contacts (child third parties)
+        LEFT JOIN chill_3party.third_party contact ON contact.parent_id = parent.id
+        LEFT JOIN chill_main_address contact_address ON contact.address_id = contact_address.id
+        LEFT JOIN chill_main_postal_code contact_postal ON contact_address.postcode_id = contact_postal.id
+
+        -- Exclude contacts from appearing as standalone rows
+        WHERE parent.parent_id IS NULL
+
+        -- Sorting order
+        ORDER BY parent.name ASC, parent.name_company ASC, parent.id ASC,
+                 contact.name ASC, contact.firstname ASC, contact.id ASC
+    ";
+
+        return $this->connection->iterateAssociative($sql, [$lang]);
+    }
+
     /**
      * count amongst parties associated to $centers, with $terms parameters.
      */
diff --git a/src/Bundle/ChillThirdPartyBundle/Resources/views/Admin/index.html.twig b/src/Bundle/ChillThirdPartyBundle/Resources/views/Admin/index.html.twig
index 60f39ddeb..f50a1d90a 100644
--- a/src/Bundle/ChillThirdPartyBundle/Resources/views/Admin/index.html.twig
+++ b/src/Bundle/ChillThirdPartyBundle/Resources/views/Admin/index.html.twig
@@ -9,5 +9,9 @@
 {% block layout_wvm_content %}
     {% block admin_content %}<!-- block content empty -->
         <h1>{{ 'Third party configuration' |trans }}</h1>
+        <div>
+            <p>{{ 'admin.export_description'|trans }}</p>
+            <a href="{{ path('chill_thirdparty_admin_export_list') }}" class="btn btn-download"></a>
+        </div>
     {% endblock %}
-{% endblock  %}
\ No newline at end of file
+{% endblock  %}
diff --git a/src/Bundle/ChillThirdPartyBundle/translations/messages.fr.yml b/src/Bundle/ChillThirdPartyBundle/translations/messages.fr.yml
index b6a568249..52bae6fee 100644
--- a/src/Bundle/ChillThirdPartyBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillThirdPartyBundle/translations/messages.fr.yml
@@ -133,3 +133,22 @@ is thirdparty: Le demandeur est un tiers
 
 Filter by person's who have a residential address located at a thirdparty of type: Filtrer les usagers qui ont une addresse de résidence chez un tiers
 "Filtered by person's who have a residential address located at a thirdparty of type %thirdparty_type% and valid on %date_calc%": "Uniquement les usagers qui ont une addresse de résidence chez un tiers de catégorie %thirdparty_type% et valide sur la date %date_calc%"
+
+
+# admin
+admin:
+    export_description: Liste des tiers (format CSV)
+
+Profession: Profession
+Firstname: Prénom
+Name_company: Service/Département
+Address: Adresse
+Civility: Civilité
+Id: Identifiant
+Contact id: Identifiant du contact
+Contact name: Nom du contact
+Contact  firstname: Prénom du contact
+Contact phone: Téléphone du contact
+Contact email: Courrier électronique du contact
+Contact address: Adresse du contact
+Contact profession: Profession du contact