William Martensen is a seasoned enrolled agent and founder of Martensen Tax & Financial in San Juan Capistrano, California. With more than 15 years of experience and a client base exceeding 600 individuals and businesses, he delivers comprehensive services that range from tax planning and preparation to IRS audit representation, conflict resolution, and virtual consultations.

photo credit: WilliamMartensen.com
A graduate of the University of Arizona’s Eller College of Business, Mr. Martensen is widely recognized for translating complex tax regulations into clear, actionable strategies that minimize liabilities and manage risk. His commitment to integrity and community service further underscores his credibility as a trusted authority in tax and financial matters.…
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There is no escaping the wrath of the IRS when it comes to unpaid taxes. There are several differences between running a small business versus a large corporation, but at the end of the day, payroll taxes are something that all business owners must pay close attention to in order to avoid problems with the IRS.
