diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6891a018b..fde9d6897 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -34,13 +34,13 @@ jobs:
           yarn setup-python
 
       - name: Up for tests API
-        run: docker-compose up --build -d api db test_db
+        run: docker compose up --build -d api db test_db
 
       - name: Check types
         run: yarn check-all
 
       - name: Down for tests API
-        run: docker-compose down
+        run: docker compose down
 
       # TODO reenable. Next13 is not ready yet for proper testing
       # + using a mix between pageDir and appDir make tests harder to dev
diff --git a/packages/app/src/api/core-domain/repo/IDeclarationRepo.ts b/packages/app/src/api/core-domain/repo/IDeclarationRepo.ts
index 3ce96a99b..1fe40e5c4 100644
--- a/packages/app/src/api/core-domain/repo/IDeclarationRepo.ts
+++ b/packages/app/src/api/core-domain/repo/IDeclarationRepo.ts
@@ -1,3 +1,4 @@
+import { type DeclarationRaw } from "@api/core-domain/infra/db/DeclarationRaw";
 import { type Declaration, type DeclarationPK } from "@common/core-domain/domain/Declaration";
 import { type DeclarationOpmc } from "@common/core-domain/domain/DeclarationOpmc";
 import { type Siren } from "@common/core-domain/domain/valueObjects/Siren";
@@ -6,6 +7,7 @@ import { type Repo } from "@common/shared-domain";
 export interface IDeclarationRepo extends Repo<Declaration> {
   count(): Promise<number>;
   getAllBySiren(siren: Siren): Promise<Declaration[]>;
+  getAllSirenAndYear(): Promise<Array<Partial<DeclarationRaw>>>;
   getOneDeclarationOpmc(id: DeclarationPK): Promise<DeclarationOpmc | null>;
   limit(limit?: number): this;
   /** @deprecated - use saveWithIndex */
diff --git a/packages/app/src/api/core-domain/repo/impl/PostgresDeclarationRepo.ts b/packages/app/src/api/core-domain/repo/impl/PostgresDeclarationRepo.ts
index c07d812e7..f82169e68 100644
--- a/packages/app/src/api/core-domain/repo/impl/PostgresDeclarationRepo.ts
+++ b/packages/app/src/api/core-domain/repo/impl/PostgresDeclarationRepo.ts
@@ -99,6 +99,12 @@ export class PostgresDeclarationRepo implements IDeclarationRepo {
 
     return raws.map(declarationMap.toDomain);
   }
+
+  public async getAllSirenAndYear(): Promise<Array<Partial<DeclarationRaw>>> {
+    const raws = await this.sql`select * from ${this.table} where data notnull ${this.postgresLimit}`;
+
+    return raws; //.map(declarationMap.toDomain);
+  }
   public async getOne([siren, year]: DeclarationPK): Promise<Declaration | null> {
     try {
       const [raw] = await this.sql`select * from ${
diff --git a/packages/app/src/api/core-domain/useCases/referent/GetAllDeclarations.ts b/packages/app/src/api/core-domain/useCases/referent/GetAllDeclarations.ts
new file mode 100644
index 000000000..4b18aad8c
--- /dev/null
+++ b/packages/app/src/api/core-domain/useCases/referent/GetAllDeclarations.ts
@@ -0,0 +1,19 @@
+import { type DeclarationRaw } from "@api/core-domain/infra/db/DeclarationRaw";
+import { type IDeclarationRepo } from "@api/core-domain/repo/IDeclarationRepo";
+import { AppError, type UseCase } from "@common/shared-domain";
+
+export class GetAllDeclarations implements UseCase<never, Array<Partial<DeclarationRaw>>> {
+  constructor(private readonly declarationRepo: IDeclarationRepo) {}
+
+  public async execute(): Promise<Array<Partial<DeclarationRaw>>> {
+    try {
+      return await this.declarationRepo.getAllSirenAndYear();
+
+      // return declarations.map(declarationMap.toDTO).filter(d => d) as DeclarationDTO[];
+    } catch (error: unknown) {
+      throw new GetAllDeclarationsError("Cannot get all declarations", error as Error);
+    }
+  }
+}
+
+export class GetAllDeclarationsError extends AppError {}
diff --git a/packages/app/src/app/(default)/aide-simulation/page.tsx b/packages/app/src/app/(default)/aide-index/page.tsx
similarity index 100%
rename from packages/app/src/app/(default)/aide-simulation/page.tsx
rename to packages/app/src/app/(default)/aide-index/page.tsx
diff --git a/packages/app/src/app/(default)/declaration-accessibilite/page.tsx b/packages/app/src/app/(default)/declaration-accessibilite/page.tsx
index ae9ddee0a..58aab9554 100644
--- a/packages/app/src/app/(default)/declaration-accessibilite/page.tsx
+++ b/packages/app/src/app/(default)/declaration-accessibilite/page.tsx
@@ -27,7 +27,7 @@ const AccessibilityStatement = () => {
               )
             </p>
             <h2>Etat de conformité</h2>
-            <p>Egapro est non conforme avec le RGAA. Le site n’a encore pas été audité.</p>
+            <p>Egapro est partiellement conforme.</p>
             <p>
               Un audit{" "}
               <Link
diff --git a/packages/app/src/app/(default)/login/MonCompteProLogin.tsx b/packages/app/src/app/(default)/login/MonCompteProLogin.tsx
index 7b16795c7..f38891583 100644
--- a/packages/app/src/app/(default)/login/MonCompteProLogin.tsx
+++ b/packages/app/src/app/(default)/login/MonCompteProLogin.tsx
@@ -1,22 +1,16 @@
 "use client";
 
 import MonCompteProButton from "@codegouvfr/react-dsfr/MonCompteProButton";
-import { Link } from "@design-system";
 import { signIn } from "next-auth/react";
 
 export interface MonCompteProLoginProps {
   callbackUrl: string;
 }
 export const MonCompteProLogin = ({ callbackUrl }: MonCompteProLoginProps) => (
-  <>
-    <MonCompteProButton
-      onClick={e => {
-        e.preventDefault();
-        signIn("moncomptepro", { redirect: false });
-      }}
-    />
-    <Link href="/aide-moncomptepro" target="_blank">
-      Consulter l'aide MonComptePro
-    </Link>
-  </>
+  <MonCompteProButton
+    onClick={e => {
+      e.preventDefault();
+      signIn("moncomptepro", { redirect: false });
+    }}
+  />
 );
diff --git a/packages/app/src/app/(default)/login/page.tsx b/packages/app/src/app/(default)/login/page.tsx
index 68da6d0a0..fcea6cb3b 100644
--- a/packages/app/src/app/(default)/login/page.tsx
+++ b/packages/app/src/app/(default)/login/page.tsx
@@ -97,9 +97,21 @@ const LoginPage = async ({ searchParams }: NextServerPageProps<never, "callbackU
                   </p>
                   <br />
                   <p className={"text-dsfr-error"}>
-                    Si vous rencontrez des difficultés pour vous connecter, vous devez contacter le support{" "}
+                    Si vous utilisez une protection contre les spams (ex. MailInBlack), vous devez contacter votre
+                    service informatique pour qu'il autorise les mails en provenance de MonComptePro.
+                  </p>
+                  <br />
+                  <p className={"text-dsfr-error"}>
+                    Pour tout problème lié à MonComptePro, vous devez contacter le support dédié à cette adresse email{" "}
                     <Link href={"mailto:contact@moncomptepro.beta.gouv.fr"} target={"_blank"}>
-                      MonComptePro
+                      contact@moncomptepro.beta.gouv.fr
+                    </Link>
+                  </p>
+                  <br />
+                  <p>
+                    Pour consulter l'aide MonComptePro,{" "}
+                    <Link href={"/aide-moncomptepro"} target={"_blank"}>
+                      cliquez ici
                     </Link>
                   </p>
                 </>
diff --git a/packages/app/src/app/(default)/messages.tsx b/packages/app/src/app/(default)/messages.tsx
index 8186fb631..de522caee 100644
--- a/packages/app/src/app/(default)/messages.tsx
+++ b/packages/app/src/app/(default)/messages.tsx
@@ -8,4 +8,4 @@ export const MANDATORY_FAVORABLE_POPULATION = "La population envers laquelle l'
 export const NOT_HIGHER_THAN_N_RESULT = (n: number) => `Le résultat ne peut pas être supérieur à ${n}`;
 export const NOT_ALL_EMPTY_CATEGORIES = "Au moins une catégorie doit avoir un écart renseigné";
 export const MANDATORY_SIREN = "Le Siren est requis";
-export const INVALID_SIREN = "Le Siren est composé de 9 chiffres sans espace";
+export const INVALID_SIREN = "Le Siren n'est pas valide";
diff --git a/packages/app/src/app/(default)/mon-espace/mes-declarations/IndexList.tsx b/packages/app/src/app/(default)/mon-espace/mes-declarations/IndexList.tsx
index 1e94cda24..e12b299aa 100644
--- a/packages/app/src/app/(default)/mon-espace/mes-declarations/IndexList.tsx
+++ b/packages/app/src/app/(default)/mon-espace/mes-declarations/IndexList.tsx
@@ -91,7 +91,11 @@ const formatTableData = (declarations: DeclarationDTO[], declarationOpmcList: De
         : capitalize(declaration.entreprise?.type),
       declaration.entreprise?.tranche ? CompanyWorkforceRange.Label[declaration.entreprise.tranche] : undefined,
       formatIsoToFr(declaration["declaration-existante"].date || ""),
-      declaration["resultat-global"]?.index || <span title="Non calculable">NC</span>,
+      typeof declaration["resultat-global"]?.index === "number" ? (
+        declaration["resultat-global"]?.index
+      ) : (
+        <span title="Non calculable">NC</span>
+      ),
       formatDeclarationOpmcStatus(
         getDeclarationOpmcStatus(
           declarationOpmcList.find(declarationOpmc => declarationOpmc.commencer?.annéeIndicateurs === rowYear),
diff --git a/packages/app/src/app/(default)/script/actions.ts b/packages/app/src/app/(default)/script/actions.ts
new file mode 100644
index 000000000..1e126ff05
--- /dev/null
+++ b/packages/app/src/app/(default)/script/actions.ts
@@ -0,0 +1,8 @@
+import { declarationRepo } from "@api/core-domain/repo";
+import { GetAllDeclarations } from "@api/core-domain/useCases/referent/GetAllDeclarations";
+
+export async function getAllDeclarations() {
+  // handle default errors
+  const useCase = new GetAllDeclarations(declarationRepo);
+  return await useCase.execute();
+}
diff --git a/packages/app/src/app/(default)/script/clean-invalids-siren/page.tsx b/packages/app/src/app/(default)/script/clean-invalids-siren/page.tsx
new file mode 100644
index 000000000..8e3ce8147
--- /dev/null
+++ b/packages/app/src/app/(default)/script/clean-invalids-siren/page.tsx
@@ -0,0 +1,92 @@
+import { getAllDeclarations } from "../actions";
+
+function validateSIREN(siren: string): boolean {
+  // Vérifie que la chaîne est composée de 9 chiffres
+  if (!/^\d{9}$/.test(siren)) {
+    return false;
+  }
+
+  // Applique l'algorithme de Luhn
+  let sum = 0;
+  for (let i = 0; i < 9; i++) {
+    let num = parseInt(siren.charAt(i), 10);
+
+    // Multiplie les chiffres en position paire par 2
+    if (i % 2 === 1) {
+      num *= 2;
+      // Si le résultat est supérieur à 9, soustrait 9
+      if (num > 9) {
+        num -= 9;
+      }
+    }
+
+    sum += num;
+  }
+
+  // Le numéro est valide si la somme est un multiple de 10
+  return sum % 10 === 0;
+}
+
+const CleanInvalidsSirenPage = async () => {
+  try {
+    const declarations = await getAllDeclarations();
+    const invalidDeclarations = [];
+    for (const declaration of declarations) {
+      if (!declaration.data?.entreprise.siren) {
+        //console.log("No siren", declaration.siren);
+      }
+      if (!validateSIREN(declaration.data?.entreprise.siren || "")) {
+        console.log("Invalid siren", declaration.siren);
+        invalidDeclarations.push({ ...declaration, invalidSiren: declaration.siren });
+        break;
+      }
+      if (!declaration.data?.entreprise.ues?.entreprises) {
+        //console.log("No ues", declaration.siren);
+      }
+      for (const entreprise of declaration.data?.entreprise.ues?.entreprises || []) {
+        if (!validateSIREN(entreprise.siren)) {
+          invalidDeclarations.push({ ...declaration, invalidSiren: entreprise.siren });
+          console.log("Invalid ues siren", entreprise.siren);
+          break;
+        }
+      }
+    }
+    // const invalids = declarations
+    //   .filter(declaration => new Siren(declaration.data?.entreprise.siren || ""))
+    //   .filter(declaration => {
+    //     if (!declaration.data?.entreprise.ues?.entreprises) {
+    //       return true;
+    //     }
+    //
+    //     return declaration.data?.entreprise.ues?.entreprises.reduce((hasValidSirens, entreprise) => {
+    //       if (!hasValidSirens) return false;
+    //       try {
+    //         new Siren(entreprise.siren);
+    //         return true;
+    //       } catch (e) {
+    //         console.log("Invalid siren", entreprise.siren, e);
+    //         return false;
+    //       }
+    //     }, true);
+    //   });
+
+    return (
+      <div>
+        <p>nombre de sirens invalides: {invalidDeclarations.length}</p>
+        <ul>
+          {invalidDeclarations.map((declaration, index) => (
+            <li key={`invalid-${index}`}>
+              declaration siren:{declaration.siren}, declaration année: {declaration.year} invalid ues siren:{" "}
+              {declaration.invalidSiren}
+            </li>
+          ))}
+        </ul>
+      </div>
+    );
+  } catch (e) {
+    console.log(e);
+    return <p>Error</p>;
+  }
+};
+
+export default CleanInvalidsSirenPage;
diff --git a/packages/app/src/app/Footer.tsx b/packages/app/src/app/Footer.tsx
index e8e54ff46..dd9506bec 100644
--- a/packages/app/src/app/Footer.tsx
+++ b/packages/app/src/app/Footer.tsx
@@ -12,9 +12,9 @@ const githubLink = {
 } satisfies DsfrFooterProps.LinkList.Link;
 
 const helpLink = {
-  text: "Consulter l'aide pour le calcul de l'index",
+  text: "Consulter l'aide concernant l'index",
   linkProps: {
-    href: "/aide-simulation",
+    href: "/aide-index",
     target: "_blank",
   },
 } satisfies DsfrFooterProps.LinkList.Link;
diff --git a/packages/app/src/common/core-domain/domain/valueObjects/ownership_request/ErrorDetail.ts b/packages/app/src/common/core-domain/domain/valueObjects/ownership_request/ErrorDetail.ts
index eb7f88b49..7c300bfaf 100644
--- a/packages/app/src/common/core-domain/domain/valueObjects/ownership_request/ErrorDetail.ts
+++ b/packages/app/src/common/core-domain/domain/valueObjects/ownership_request/ErrorDetail.ts
@@ -12,7 +12,7 @@ export const errorDetailLabel: Record<(typeof errorDetailCodes)[number], string>
   EMAIL_DELIVERY_KO: "L'envoi du mail a échoué",
   ALREADY_PROCESSED: "La demande a déjà été traitée",
   INVALID_EMAIL: "L'email est invalide",
-  INVALID_SIREN: "Le Siren est composé de 9 chiffres sans espace",
+  INVALID_SIREN: "Le Siren n'est pas valide",
   NOT_FOUND_SIREN: "Le SIREN n'existe pas",
 };