diff --git a/newwhats.clube67.com/newwhats.local/backend/src/modules/whatsapp/connection/WhatsAppConnectionManager.ts b/newwhats.clube67.com/newwhats.local/backend/src/modules/whatsapp/connection/WhatsAppConnectionManager.ts
index fab4446..9ee909f 100644
--- a/newwhats.clube67.com/newwhats.local/backend/src/modules/whatsapp/connection/WhatsAppConnectionManager.ts
+++ b/newwhats.clube67.com/newwhats.local/backend/src/modules/whatsapp/connection/WhatsAppConnectionManager.ts
@@ -608,6 +608,27 @@ export class WhatsAppConnectionManager {
           .catch(() => {})
       }
 
+      // Detecta se é conta WhatsApp Business — getBusinessProfile só retorna um
+      // perfil (com descrição/categoria/etc.) para contas Business. Fire-and-forget:
+      // não bloqueia o sync de conexão. Persiste Instance.isBusiness e avisa o front.
+      ;(async () => {
+        try {
+          if (!phoneJid) return
+          const selfJid = phoneJid.split(':')[0].split('@')[0] + '@s.whatsapp.net'
+          const profile = await (sock as any).getBusinessProfile?.(selfJid)
+          const isBusiness = !!(profile && (
+            profile.description || profile.category || profile.email ||
+            profile.address || (profile.website && profile.website.length) ||
+            profile.business_hours
+          ))
+          await prisma.instance.update({ where: { id: instanceId }, data: { isBusiness } }).catch(() => {})
+          this.io.to(`tenant:${tenantId}`).emit('instance:business', { instanceId, isBusiness })
+          logger.info({ instanceId, isBusiness }, '[Business] detecção concluída')
+        } catch {
+          /* engine sem suporte ou conta pessoal — mantém isBusiness atual */
+        }
+      })()
+
       // Pós-conexão: sincroniza avatar da instância e busca avatares ausentes
       const handler = this.contactHandlers.get(instanceId)
       if (handler) {