diff --git a/mon-entreprise/source/actions/companyStatusActions.ts b/mon-entreprise/source/actions/companyStatusActions.ts
index 717cc0401..eaad3363e 100644
--- a/mon-entreprise/source/actions/companyStatusActions.ts
+++ b/mon-entreprise/source/actions/companyStatusActions.ts
@@ -85,17 +85,22 @@ const fetchCommuneDetails = async function (codeCommune: string) {
 export const useSetEntreprise = () => {
 	const dispatch = useDispatch()
 	return async (siren: string) => {
-		dispatch(setSiren(siren))
 		const companyDetails = await fetchCompanyDetails(siren)
+		if (companyDetails === null) {
+			return
+		}
+		dispatch(setSiren(siren))
 		dispatch(
 			setCompanyDetails(
 				companyDetails.categorie_juridique,
 				companyDetails.date_creation
 			)
 		)
-		const communeDetails: ApiCommuneJson = await fetchCommuneDetails(
-			companyDetails.etablissement_siege.code_commune
-		)
-		dispatch(addCommuneDetails(communeDetails))
+		if (companyDetails.etablissement_siege) {
+			const communeDetails: ApiCommuneJson = await fetchCommuneDetails(
+				companyDetails.etablissement_siege.code_commune
+			)
+			dispatch(addCommuneDetails(communeDetails))
+		}
 	}
 }
diff --git a/mon-entreprise/source/api/sirene.ts b/mon-entreprise/source/api/sirene.ts
index f87127acf..f1fff6c40 100644
--- a/mon-entreprise/source/api/sirene.ts
+++ b/mon-entreprise/source/api/sirene.ts
@@ -2,11 +2,13 @@ const isSIREN = (input: string) => /^[\s]*([\d][\s]*){9}$/.exec(input)
 const isSIRET = (input: string) => /^[\s]*([\d][\s]*){14}$/.exec(input)
 
 export async function fetchCompanyDetails(siren: string) {
+	// Le paramètre `statut_diffusion` filtre les SIREN non diffusibles, cf.
+	// https://github.com/betagouv/mon-entreprise/issues/1399#issuecomment-770736525
 	const response = await fetch(
 		`https://entreprise.data.gouv.fr/api/sirene/v3/unites_legales/${siren.replace(
 			/[\s]/g,
 			''
-		)}`
+		)}?statut_diffusion=O`
 	)
 	if (!response.ok) {
 		return null
diff --git a/mon-entreprise/source/components/CompanyDetails.tsx b/mon-entreprise/source/components/CompanyDetails.tsx
index df0a310f1..7d23b3a3d 100644
--- a/mon-entreprise/source/components/CompanyDetails.tsx
+++ b/mon-entreprise/source/components/CompanyDetails.tsx
@@ -30,6 +30,15 @@ export default function CompanyDetails({ siren, denomination }: Etablissement) {
 		fetchCompanyDetails(siren).then(setCompany)
 	}, [siren])
 
+	if (company === null) {
+		return (
+			<p className="ui__ notice">
+				{siren}
+				<Trans>est un SIREN non diffusable</Trans>
+			</p>
+		)
+	}
+
 	return (
 		<>
 			<h3>
diff --git a/mon-entreprise/source/components/conversation/Question.tsx b/mon-entreprise/source/components/conversation/Question.tsx
index af72e267b..70bedbfb3 100644
--- a/mon-entreprise/source/components/conversation/Question.tsx
+++ b/mon-entreprise/source/components/conversation/Question.tsx
@@ -261,7 +261,7 @@ export function RadioLabelContent({
 			/>
 			<span>
 				{icônes && <>{emoji(icônes)}&nbsp;</>}
-				<Trans>{label}</Trans>
+				{label}
 			</span>
 		</label>
 	)
diff --git a/mon-entreprise/source/locales/ui-en.yaml b/mon-entreprise/source/locales/ui-en.yaml
index f0fdaca90..3cb42db84 100644
--- a/mon-entreprise/source/locales/ui-en.yaml
+++ b/mon-entreprise/source/locales/ui-en.yaml
@@ -655,6 +655,7 @@ entreprise:
       titre: Write the company's articles
     titre: The to-do list for creating your business
     titre2: Recommended before starting your activity
+est un SIREN non diffusable: is a non-distributable SIREN
 examples: Examples
 expected: the expected result was
 facteur: multiplier