diff --git a/app/Http/Controllers/Apis/Protected/Summit/Factories/SponsorServicesStatisticsValidationRulesFactory.php b/app/Http/Controllers/Apis/Protected/Summit/Factories/SponsorServicesStatisticsValidationRulesFactory.php
index 6e193563e..897584199 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/Factories/SponsorServicesStatisticsValidationRulesFactory.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/Factories/SponsorServicesStatisticsValidationRulesFactory.php
@@ -32,4 +32,15 @@ public static function buildForUpdate(array $payload = []): array
     {
         return self::buildForAdd();
     }
+
+    public static function buildForBulkUpdate(array $payload = []): array
+    {
+        return [
+            '*.sponsor_id'    => 'required|integer',
+            '*.forms_qty'     => 'sometimes|integer',
+            '*.purchases_qty' => 'sometimes|integer',
+            '*.pages_qty'     => 'sometimes|integer',
+            '*.documents_qty' => 'sometimes|integer',
+        ];
+    }
 }
diff --git a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSponsorApiController.php b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSponsorApiController.php
index 46aeb0506..6bad79594 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSponsorApiController.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSponsorApiController.php
@@ -4378,4 +4378,73 @@ public function updateSponsorServicesStatistics($summit_id, $sponsor_id) {
             );
         });
     }
+
+    #[OA\Put(
+        path: "/api/v1/summits/{id}/sponsors/all/sponsorservices-statistics/bulk",
+        description: "required-groups " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitAdministrators,
+        summary: 'Bulk upsert Sponsor Services Statistics',
+        operationId: 'bulkUpdateSponsorServicesStatistics',
+        tags: ['Sponsors'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+            ]
+        ],
+        security: [
+            [
+                'summit_sponsor_oauth2' => [
+                    SummitScopes::WriteSummitData,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            ),
+        ],
+        requestBody: new OA\RequestBody(
+            required: true,
+            content: new OA\JsonContent(
+                type: 'array',
+                items: new OA\Items(ref: "#/components/schemas/SponsorServicesStatisticsUpsertRequest")
+            )
+        ),
+        responses: [
+            new OA\Response(
+                response: Response::HTTP_OK,
+                description: 'Sponsor Services Statistics bulk created/updated successfully'
+            ),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "Not Found"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error"),
+            new OA\Response(response: Response::HTTP_PRECONDITION_FAILED, description: "Validation Error")
+        ]
+    )]
+    public function bulkUpdateSponsorServicesStatistics($summit_id) {
+        return $this->processRequest(function () use ($summit_id) {
+
+            $summit = SummitFinderStrategyFactory::build($this->summit_repository, $this->resource_server_context)->find($summit_id);
+            if (is_null($summit)) return $this->error404();
+
+            $payload = $this->getJsonPayload(SponsorServicesStatisticsValidationRulesFactory::buildForBulkUpdate(), true);
+
+            $results = $this->service->bulkUpdateSponsorServicesStatistics($summit, $payload);
+
+            return $this->ok(array_map(function ($statistics) {
+                return SerializerRegistry::getInstance()
+                    ->getSerializer($statistics)
+                    ->serialize(
+                        SerializerUtils::getExpand(),
+                        SerializerUtils::getFields(),
+                        SerializerUtils::getRelations()
+                    );
+            }, $results));
+        });
+    }
 }
diff --git a/app/Services/Model/ISummitSponsorService.php b/app/Services/Model/ISummitSponsorService.php
index 1e78e344e..c64d0b16a 100644
--- a/app/Services/Model/ISummitSponsorService.php
+++ b/app/Services/Model/ISummitSponsorService.php
@@ -336,4 +336,12 @@ public function updateLeadReportSettings(Summit $summit, int $sponsor_id, array
      * @throws \Exception
      */
     public function updateSponsorServicesStatistics(Summit $summit, int $sponsor_id, array $payload): SponsorStatistics;
+
+    /**
+     * @param Summit $summit
+     * @param array $payload
+     * @return SponsorStatistics[]
+     * @throws \Exception
+     */
+    public function bulkUpdateSponsorServicesStatistics(Summit $summit, array $payload): array;
 }
diff --git a/app/Services/Model/Imp/SummitSponsorService.php b/app/Services/Model/Imp/SummitSponsorService.php
index 0f5b00077..1bcb0d156 100644
--- a/app/Services/Model/Imp/SummitSponsorService.php
+++ b/app/Services/Model/Imp/SummitSponsorService.php
@@ -1280,4 +1280,27 @@ public function updateSponsorServicesStatistics(Summit $summit, int $sponsor_id,
             return SponsorServicesStatisticsFactory::populate($statistics, $payload);
         });
     }
+
+    public function bulkUpdateSponsorServicesStatistics(Summit $summit, array $payload): array
+    {
+        return $this->tx_service->transaction(function () use ($summit, $payload) {
+            $results = [];
+            foreach ($payload as $item) {
+                $sponsor_id = intval($item['sponsor_id']);
+                $summit_sponsor = $summit->getSummitSponsorById($sponsor_id);
+                if (is_null($summit_sponsor))
+                    throw new EntityNotFoundException(sprintf("Sponsor %d not found.", $sponsor_id));
+
+                $statistics = $summit_sponsor->getSponsorServicesStatistics();
+                if (!$statistics) {
+                    $statistics = SponsorServicesStatisticsFactory::build($item);
+                    $summit_sponsor->setSponsorServicesStatistics($statistics);
+                } else {
+                    SponsorServicesStatisticsFactory::populate($statistics, $item);
+                }
+                $results[] = $statistics;
+            }
+            return $results;
+        });
+    }
 }
diff --git a/database/migrations/config/Version20260611155110.php b/database/migrations/config/Version20260611155110.php
new file mode 100644
index 000000000..ababf4487
--- /dev/null
+++ b/database/migrations/config/Version20260611155110.php
@@ -0,0 +1,81 @@
+<?php namespace Database\Migrations\Config;
+/**
+ * Copyright 2026 OpenStack Foundation
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+use App\Models\Foundation\Main\IGroup;
+use App\Security\SummitScopes;
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Migration to seed the bulk-update-sponsor-services-statistics endpoint.
+ *
+ * Adds:
+ * - 1 api_endpoints row (bulk-update-sponsor-services-statistics)
+ * - 1 endpoint_api_scopes association (WriteSummitData)
+ * - 3 endpoint_api_authz_groups rows (SuperAdmins, Administrators, SummitAdministrators)
+ *
+ * All INSERTs are idempotent via WHERE NOT EXISTS.
+ */
+final class Version20260611155110 extends AbstractMigration
+{
+    use APIEndpointsMigrationHelper;
+
+    private const API_NAME = 'summits';
+    private const ENDPOINT_NAME = 'bulk-update-sponsor-services-statistics';
+    private const ENDPOINT_ROUTE = '/api/v1/summits/{id}/sponsors/all/sponsorservices-statistics/bulk';
+
+    private const AUTHZ_GROUPS = [
+        IGroup::SuperAdmins,
+        IGroup::Administrators,
+        IGroup::SummitAdministrators,
+    ];
+
+    public function getDescription(): string
+    {
+        return 'Seed bulk-update-sponsor-services-statistics endpoint with scope and authz groups.';
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function up(Schema $schema): void
+    {
+        $this->addSql($this->insertEndpoint(
+            self::API_NAME,
+            self::ENDPOINT_NAME,
+            self::ENDPOINT_ROUTE,
+            'PUT'
+        ));
+
+        $this->addSql($this->insertEndpointScope(self::API_NAME, self::ENDPOINT_NAME, SummitScopes::WriteSummitData));
+
+        foreach (self::AUTHZ_GROUPS as $groupSlug) {
+            $this->addSql($this->insertEndpointAuthzGroup(self::API_NAME, self::ENDPOINT_NAME, $groupSlug));
+        }
+    }
+
+    /**
+     * @param Schema $schema
+     */
+    public function down(Schema $schema): void
+    {
+        foreach (self::AUTHZ_GROUPS as $groupSlug) {
+            $this->addSql($this->deleteEndpointAuthzGroup(self::API_NAME, self::ENDPOINT_NAME, $groupSlug));
+        }
+
+        $this->addSql($this->deleteScopesEndpoints(self::API_NAME, [SummitScopes::WriteSummitData]));
+
+        $this->addSql($this->deleteEndpoint(self::API_NAME, self::ENDPOINT_NAME));
+    }
+}
diff --git a/database/seeders/ApiEndpointsSeeder.php b/database/seeders/ApiEndpointsSeeder.php
index fb94f015d..460605129 100644
--- a/database/seeders/ApiEndpointsSeeder.php
+++ b/database/seeders/ApiEndpointsSeeder.php
@@ -2826,6 +2826,19 @@ private function seedSummitEndpoints()
                     IGroup::SummitAdministrators,
                 ]
             ],
+            [
+                'name' => 'bulk-update-sponsor-services-statistics',
+                'route' => '/api/v1/summits/{id}/sponsors/all/sponsorservices-statistics/bulk',
+                'http_method' => 'PUT',
+                'scopes' => [
+                    SummitScopes::WriteSummitData,
+                ],
+                'authz_groups' => [
+                    IGroup::SuperAdmins,
+                    IGroup::Administrators,
+                    IGroup::SummitAdministrators,
+                ]
+            ],
             // Add-On types
             [
                 'name' => 'get-add-ons-metadata',
diff --git a/routes/api_v1.php b/routes/api_v1.php
index fad69a60c..ad61e4e30 100644
--- a/routes/api_v1.php
+++ b/routes/api_v1.php
@@ -1227,6 +1227,10 @@
                         Route::put('send', ['middleware' => 'auth.user', 'uses' => 'OAuth2SummitPromoCodesApiController@sendSponsorPromoCodes']);
                     });
                 });
+
+                Route::group(['prefix' => 'sponsorservices-statistics'], function () {
+                    Route::put('bulk', ['middleware' => 'auth.user', 'uses' => 'OAuth2SummitSponsorApiController@bulkUpdateSponsorServicesStatistics']);
+                });
             });
             Route::group(['prefix' => '{sponsor_id}'], function () {
 
diff --git a/tests/oauth2/OAuth2SummitSponsorApiTest.php b/tests/oauth2/OAuth2SummitSponsorApiTest.php
index 45fdf2f80..374c2de7c 100644
--- a/tests/oauth2/OAuth2SummitSponsorApiTest.php
+++ b/tests/oauth2/OAuth2SummitSponsorApiTest.php
@@ -1656,4 +1656,75 @@ public function testGetAllSponsorsBySummitPublic(){
         $this->assertNotNull($page);
         $this->assertGreaterThan(0, $page->total);
     }
+
+    // ---- Bulk Sponsor Services Statistics ----
+
+    public function testBulkUpdateSponsorServicesStatistics()
+    {
+        $params = [
+            'id' => self::$summit->getId(),
+        ];
+
+        // sponsors[0] already has statistics (even index), sponsors[1] does not (odd index)
+        $data = [
+            [
+                'sponsor_id'   => self::$sponsors[0]->getId(),
+                'forms_qty'    => 100,
+                'purchases_qty'=> 200,
+                'pages_qty'    => 300,
+                'documents_qty'=> 400,
+            ],
+            [
+                'sponsor_id'   => self::$sponsors[1]->getId(),
+                'forms_qty'    => 10,
+            ],
+        ];
+
+        $response = $this->action(
+            "PUT",
+            "OAuth2SummitSponsorApiController@bulkUpdateSponsorServicesStatistics",
+            $params,
+            [],
+            [],
+            [],
+            $this->getAuthHeaders(),
+            json_encode($data)
+        );
+
+        $content = $response->getContent();
+        $this->assertResponseStatus(200);
+        $results = json_decode($content);
+        $this->assertIsArray($results);
+        $this->assertCount(2, $results);
+        $this->assertEquals(100, $results[0]->forms_qty);
+        $this->assertEquals(10, $results[1]->forms_qty);
+    }
+
+    public function testBulkUpdateSponsorServicesStatisticsValidationError()
+    {
+        $params = [
+            'id' => self::$summit->getId(),
+        ];
+
+        // forms_qty is a string instead of integer — should fail validation
+        $data = [
+            [
+                'sponsor_id' => self::$sponsors[0]->getId(),
+                'forms_qty'  => 'not-an-integer',
+            ],
+        ];
+
+        $response = $this->action(
+            "PUT",
+            "OAuth2SummitSponsorApiController@bulkUpdateSponsorServicesStatistics",
+            $params,
+            [],
+            [],
+            [],
+            $this->getAuthHeaders(),
+            json_encode($data)
+        );
+
+        $this->assertResponseStatus(412);
+    }
 }