Wm. J. Koenig, Inc. was formed in May of 1981 as “Wm. J. Koenig Inc. Financial and Tax Consultants” in Merced, California by its founder William J. Koenig, Enrolled Agent. William was a charter member of the California Society of Enrolled Agents. The foundation of the firm is tax preparation. Our staff prepares personal income tax returns, as well as business returns to include Partnerships, S and C Corporations, Limited Liability Companies, Fiduciary, and Estate returns. Furthermore, we provide full-service payroll and bookkeeping for our clients, as well as tax planning, consultation, and financial services. For complete details on the services we currently provide, please browse Our Services. We help our clients understand complex accounting and tax issues so they can turn our knowledge into value. Our clients get professional assistance to ensure their long-term business and financial success. We help them maximize their cash potential, increase efficiency, and minimize their tax liability. If you have further questions, we invite you to Contact Us. We’re happy to answer your questions.