Debt collection and commercial litigation: claim against professionals, commercial companies accrued interest on overdue payments in Spain. Spanish Company Law. Posted on April 30, 2012 (September 10, 2020) by Carlos Baos Click below to check our article: Claim against professionals, commercial companies and/ or self employed debtors for debt collection plus legally accrued interest on overdue payments in Spain. Spanish company law for debt collection. Litigation and money advice.