ZKCO | Zarrinkelk, Kashefipour & Co Persian/Iranian Public Accountant in Irvine, California Quality Audits for Private Companies and Municipalities White Nelson Diehl Evans specializes in auditing, financial accounting, and ERISA compliance for private companies and government entities. We carefully plan out each audit upfront to reduce the time and resources we require from clients. You benefit from our engagement management letters detailing potential operating, risk-reducing, and/or cost-