diff --git a/api/db/seeds/data/common/tooling/campaign-tooling.js b/api/db/seeds/data/common/tooling/campaign-tooling.js
index e62c953e077..5afbc237eec 100644
--- a/api/db/seeds/data/common/tooling/campaign-tooling.js
+++ b/api/db/seeds/data/common/tooling/campaign-tooling.js
@@ -499,7 +499,7 @@ function _buildCampaign({
   return { realCampaignId, realOrganizationId, realCreatedAt };
 }
 
-let emailIndex = 0;
+const emailIndexesByOrganizationId = new Map();
 
 function _createAnonymousParticipation(databaseBuilder, organizationId, campaignId, createdAt) {
   const createdDate = dayjs(createdAt)
@@ -541,6 +541,12 @@ function _createAnonymousParticipation(databaseBuilder, organizationId, campaign
 async function _createOrRetrieveUsersAndLearners(databaseBuilder, organizationId, requiredParticipantCount) {
   const userAndLearnerIds = [];
 
+  if (!emailIndexesByOrganizationId.has(organizationId)) {
+    emailIndexesByOrganizationId.set(organizationId, 0);
+  }
+
+  let emailIndex = emailIndexesByOrganizationId.get(organizationId);
+
   const result = await databaseBuilder
     .knex('organizations')
     .select('type', 'isManagingStudents')
@@ -605,6 +611,7 @@ async function _createOrRetrieveUsersAndLearners(databaseBuilder, organizationId
     userAndLearnerIds.push({ userId, organizationLearnerId });
     emailIndex++;
   }
+  emailIndexesByOrganizationId.set(organizationId, emailIndex);
   return userAndLearnerIds;
 }
 
diff --git a/api/db/seeds/data/team-devcomp/build-campaigns.js b/api/db/seeds/data/team-devcomp/build-campaigns.js
index 27ca839aa05..0d29405c6a2 100644
--- a/api/db/seeds/data/team-devcomp/build-campaigns.js
+++ b/api/db/seeds/data/team-devcomp/build-campaigns.js
@@ -1,11 +1,11 @@
-import { SCO_ORGANIZATION_ID, USER_ID_ADMIN_ORGANIZATION } from '../common/constants.js';
+import { USER_ID_ADMIN_ORGANIZATION } from '../common/constants.js';
 import { createAssessmentCampaign } from '../common/tooling/campaign-tooling.js';
-import { PIX_EDU_SMALL_TARGET_PROFILE_ID } from './constants.js';
+import { PIX_EDU_SMALL_TARGET_PROFILE_ID, TEAM_DEVCOMP_ORGANIZATION_ID } from './constants.js';
 
 async function _createScoCampaigns(databaseBuilder, trainingIds) {
   await createAssessmentCampaign({
     databaseBuilder,
-    organizationId: SCO_ORGANIZATION_ID,
+    organizationId: TEAM_DEVCOMP_ORGANIZATION_ID,
     ownerId: USER_ID_ADMIN_ORGANIZATION,
     name: 'PIX+ EDU - SCO - envoi simple',
     code: 'EDUSIMPLE',
@@ -19,7 +19,7 @@ async function _createScoCampaigns(databaseBuilder, trainingIds) {
   });
   await createAssessmentCampaign({
     databaseBuilder,
-    organizationId: SCO_ORGANIZATION_ID,
+    organizationId: TEAM_DEVCOMP_ORGANIZATION_ID,
     ownerId: USER_ID_ADMIN_ORGANIZATION,
     name: 'PIX+ EDU - SCO- envoi multiple',
     code: 'EDUMULTIP',
diff --git a/api/db/seeds/data/team-devcomp/build-organization.js b/api/db/seeds/data/team-devcomp/build-organization.js
new file mode 100644
index 00000000000..47238f9455e
--- /dev/null
+++ b/api/db/seeds/data/team-devcomp/build-organization.js
@@ -0,0 +1,25 @@
+import {
+  FEATURE_COMPUTE_ORGANIZATION_LEARNER_CERTIFICABILITY_ID,
+  FEATURE_MULTIPLE_SENDING_ASSESSMENT_ID,
+  USER_ID_ADMIN_ORGANIZATION,
+  USER_ID_MEMBER_ORGANIZATION,
+} from '../common/constants.js';
+import { organization } from '../common/tooling/index.js';
+import { TEAM_DEVCOMP_ORGANIZATION_ID } from './constants.js';
+
+export async function createDevcompOrganization(databaseBuilder) {
+  await organization.createOrganization({
+    databaseBuilder,
+    organizationId: TEAM_DEVCOMP_ORGANIZATION_ID,
+    type: 'SCO',
+    name: 'DevComp',
+    isManagingStudents: true,
+    externalId: 'SCO_DEVCOMP',
+    adminIds: [USER_ID_ADMIN_ORGANIZATION],
+    memberIds: [USER_ID_MEMBER_ORGANIZATION],
+    features: [
+      { id: FEATURE_COMPUTE_ORGANIZATION_LEARNER_CERTIFICABILITY_ID },
+      { id: FEATURE_MULTIPLE_SENDING_ASSESSMENT_ID },
+    ],
+  });
+}
diff --git a/api/db/seeds/data/team-devcomp/constants.js b/api/db/seeds/data/team-devcomp/constants.js
index 6e7d31f9997..cd4cc695a48 100644
--- a/api/db/seeds/data/team-devcomp/constants.js
+++ b/api/db/seeds/data/team-devcomp/constants.js
@@ -2,9 +2,12 @@ const DEFAULT_PASSWORD = 'pix123';
 
 const TEAM_DEVCOMP_OFFSET_ID = 8000;
 
-let nextId = TEAM_DEVCOMP_OFFSET_ID;
+const nextId = TEAM_DEVCOMP_OFFSET_ID;
 
 // TARGET PROFILES
-const PIX_EDU_SMALL_TARGET_PROFILE_ID = nextId++;
+const PIX_EDU_SMALL_TARGET_PROFILE_ID = nextId;
 
-export { DEFAULT_PASSWORD, PIX_EDU_SMALL_TARGET_PROFILE_ID };
+// ORGANIZATIONS
+const TEAM_DEVCOMP_ORGANIZATION_ID = nextId;
+
+export { DEFAULT_PASSWORD, PIX_EDU_SMALL_TARGET_PROFILE_ID, TEAM_DEVCOMP_ORGANIZATION_ID };
diff --git a/api/db/seeds/data/team-devcomp/data-builder.js b/api/db/seeds/data/team-devcomp/data-builder.js
index 11f388a43c3..e0667f4e0e3 100644
--- a/api/db/seeds/data/team-devcomp/data-builder.js
+++ b/api/db/seeds/data/team-devcomp/data-builder.js
@@ -1,9 +1,11 @@
 import { buildCampaigns } from './build-campaigns.js';
+import { createDevcompOrganization } from './build-organization.js';
 import { buildTargetProfiles } from './build-target-profiles.js';
 import { buildTrainings } from './build-trainings.js';
 
 async function teamDevcompDataBuilder({ databaseBuilder }) {
   await buildTargetProfiles(databaseBuilder);
+  await createDevcompOrganization(databaseBuilder);
   const trainingsIds = await buildTrainings(databaseBuilder);
   await buildCampaigns(databaseBuilder, trainingsIds);
 }