The accounting firm of Terry B. Cogan, CPA was established in 1993 in Green Valley to provide efficient, expert solutions to individuals, non-profit organizations, estates and trusts. My primary services include accounting, taxation, non-profit auditing. trust accounting and estate planning. I also offer a host of specialty services to cater to the unique needs of my older clients. My staff and I serve a wide range of individuals, trusts and non-profit organizations and are experts in the accounting issues and tax laws that impact our clients.