William Martensen
California Tax Business Leader
Based in San Clemente, California, William Martensen is the owner of a San Juan Capistrano-based tax services provider. He started the company in 2008 and has since acquired approximately 600 clients. Over nearly two decades as a California business owner and enrolled agent, William Martensen has developed a full line of services that include tax planning, tax preparation, tax filing, conflict resolution, and audit representation for cases audited by the Internal Revenue Service. He also provides virtual consultations and company tax presentations.
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