diff --git a/backend/internal/auth/service.go b/backend/internal/auth/service.go
index 06152e3..efffde9 100644
--- a/backend/internal/auth/service.go
+++ b/backend/internal/auth/service.go
@@ -99,6 +99,19 @@ func (s *Service) Register(ctx context.Context, email, senha, role, nome, telefo
 			parsedEmpID, err := uuid.Parse(*empresaID)
 			if err == nil {
 				empID = pgtype.UUID{Bytes: parsedEmpID, Valid: true}
+
+				// Override region with Company region to ensure client is bound to the correct franchise
+				empresa, errEmp := s.queries.GetEmpresaByIDGlobal(ctx, empID)
+				if errEmp == nil && empresa.Regiao.Valid && empresa.Regiao.String != "" {
+					fmt.Printf("[DEBUG] Overriding client region from '%s' to company region '%s'\n", regiao, empresa.Regiao.String)
+					regiao = empresa.Regiao.String
+
+					// We also need to update the User regions binding in the DB since it might have been set to physical address state above
+					_ = s.queries.UpdateUsuarioRegions(ctx, generated.UpdateUsuarioRegionsParams{
+						ID:                pgtype.UUID{Bytes: user.ID.Bytes, Valid: true},
+						RegioesPermitidas: []string{regiao},
+					})
+				}
 			}
 		}
 
diff --git a/backend/internal/db/generated/empresas.sql.go b/backend/internal/db/generated/empresas.sql.go
index e18ac21..c2281b4 100644
--- a/backend/internal/db/generated/empresas.sql.go
+++ b/backend/internal/db/generated/empresas.sql.go
@@ -67,6 +67,22 @@ func (q *Queries) GetEmpresaByID(ctx context.Context, arg GetEmpresaByIDParams)
 	return i, err
 }
 
+const getEmpresaByIDGlobal = `-- name: GetEmpresaByIDGlobal :one
+SELECT id, nome, criado_em, regiao FROM empresas WHERE id = $1
+`
+
+func (q *Queries) GetEmpresaByIDGlobal(ctx context.Context, id pgtype.UUID) (Empresa, error) {
+	row := q.db.QueryRow(ctx, getEmpresaByIDGlobal, id)
+	var i Empresa
+	err := row.Scan(
+		&i.ID,
+		&i.Nome,
+		&i.CriadoEm,
+		&i.Regiao,
+	)
+	return i, err
+}
+
 const getEmpresaByNome = `-- name: GetEmpresaByNome :one
 SELECT id, nome, criado_em, regiao FROM empresas WHERE nome = $1 AND regiao = $2
 `
diff --git a/backend/internal/db/queries/empresas.sql b/backend/internal/db/queries/empresas.sql
index 1af022a..aa02c14 100644
--- a/backend/internal/db/queries/empresas.sql
+++ b/backend/internal/db/queries/empresas.sql
@@ -7,6 +7,9 @@ SELECT * FROM empresas WHERE regiao = @regiao ORDER BY nome;
 -- name: GetEmpresaByID :one
 SELECT * FROM empresas WHERE id = $1 AND regiao = @regiao;
 
+-- name: GetEmpresaByIDGlobal :one
+SELECT * FROM empresas WHERE id = $1;
+
 -- name: UpdateEmpresa :one
 UPDATE empresas SET nome = $2 WHERE id = $1 AND regiao = @regiao RETURNING *;