diff --git a/src/hooks/useEntrepriseApi.js b/src/hooks/useEntrepriseApi.js
new file mode 100644
index 0000000..744e8d8
--- /dev/null
+++ b/src/hooks/useEntrepriseApi.js
@@ -0,0 +1,77 @@
+import { useState, useCallback } from 'react';
+import { debounce } from '../views/candidature-conseiller/debounce';
+
+const API_URL_NC = 'https://data.gouv.nc/api/explore/v2.1/catalog/datasets/entreprises-actives-au-ridet/records';
+const API_URL_FR = 'https://entreprise.api.gouv.fr/v3/';
+
+const getUrlBySiret = siret => {
+  const params = '?context=cnum&object=checkSiret&recipient=13002603200016';
+  return `${API_URL_FR}insee/sirene/etablissements/${siret}${params}`;
+};
+
+async function fetchRidetData(ridet) {
+  const params = new URLSearchParams({
+    where: `rid7='${ridet.padStart(7, '0')}'`,
+    select: 'denomination,libelle_commune,province,libelle_naf',
+    limit: '1',
+  });
+  const response = await fetch(`${API_URL_NC}?${params}`);
+  if (!response.ok) {
+    throw new Error(`Une erreur est survenue lors du traitement de la requête pour le RIDET ${ridet}`);
+  }
+  const data = await response.json();
+  return data.results[0] ?? null;
+}
+
+export const useCompanyFinder = token => {
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState(null);
+  const [companyData, setCompanyData] = useState(null);
+
+  const search = (async searchValue => {
+    if (![6, 7, 14].includes(searchValue.length)) {
+      setError('Veuillez entrer un RIDET (6 ou 7 chiffres) ou un SIRET (14 chiffres) valide.');
+      return;
+    }
+    setLoading(true);
+    setError(null);
+    setCompanyData(null);
+
+    try {
+      let data;
+      if (searchValue.length === 6 || searchValue.length === 7) {
+        data = await fetchRidetData(searchValue);
+        if (data) {
+          setCompanyData({
+            name: data.denomination,
+            address: `${data.libelle_commune}, ${data.province}`,
+            activity: data.libelle_naf
+          });
+        } else {
+          setError('Aucune entreprise trouvée pour ce RIDET.');
+        }
+      } else {
+        const url = getUrlBySiret(searchValue);
+        const response = await fetch(url, {
+          headers: {
+            'Authorization': `Bearer ${token}`
+          }
+        });
+        data = await response.json();
+        setCompanyData({
+          name: data.unite_legale.personne_morale_attributs?.raison_sociale || data.unite_legale.personne_physique_attributs?.nom_complet,
+          address: `${data.adresse.numero_voie} ${data.adresse.type_voie} ${data.adresse.libelle_voie}, 
+          ${data.adresse.code_postal} ${data.adresse.libelle_commune}`,
+          activity: data.unite_legale.activite_principale_libelle
+        });
+      }
+    } catch (err) {
+      setError('Une erreur est survenue lors de la requête.');
+    } finally {
+      setLoading(false);
+    }
+  });
+  const debouncedSearch = useCallback(debounce(search, 300), [search]);
+
+  return { search: debouncedSearch, loading, error, companyData };
+};