William Ryan Martensen - Enrolled Agent and Owner of Martensen Tax

William Ryan Martensen is a passionate, experienced accounting professional who strives to prevent his clients from paying excessive tax bills. He has led operations as the owner of Martensen Tax in San Juan Capistrano since 2008. In his capacity as an enrolled agent, William Ryan Martensen works with approximately 600 clients in need of personal and business tax services. He is well-versed not only in Orange County accounting services, but also tax processes for clients in other states.

During his nearly two-decade career as a business leader and tax professional, Mr. Martensen has earned Best Accountant of OC recognition. He has also earned Best Accountant in San Juan Capistrano honors on multiple occasions. In addition, he has overseen numerous corporate tax information programs and meetings.

Mr. Martensen graduated from the University of Arizona’s Eller College of Business with a bachelor of science in accounting. He frequently attends networking events and supports several charitable organizations, often through his participation in charity golf tournaments.

Contact

William Martensen
San Clemente, CA US