About Us

About Martz and Wilson, LLP

Since 2002, Martz and Wilson, LLP has set forth to deliver superior services to a diverse base of clients.   Our goal is to be an all around solution for our clients by delivering the greatest value through knowledge, experience and integrity.  We are committed to helping our clients successfully manage their businesses, maximizing their profitability and providing solutions that exceed their professional and personal needs. 

Martz and Wilson provides services to a wide range of businesses, non-profits and individuals.  We can provide the right combination of services to meet your business and personal needs.  Whether you are new entrepreneur just beginning your business venture or seasoned and have been in business for years, we will strive to assist you in obtaining your goals.  We want to discuss your unique business objectives to help develop a customized business plan with you.

We strive to be the firm that our clients can trust and turn to for guidance.  We plan to help clients through an interactive and hands on approach that makes communication simpler and gives them an undHandshake Technologyerstanding of the guidance we offer. Our goal is to provide exceptional services so that we can actively assist our clients in achieving their dreams.  We want to assist our clients with increasing their revenues, profitability and their overall bottom-line.  To achieve these results we will continually better our firm and place ourselves in a position to give knowledgeable and experienced advice and to provide superior services.



Meet the Team

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Ken Martz, CPA
Mark Wilson, CPA, CVA
Chris Hook, CPA
Heather Hayes, CPA - Manager
John Warner, CPA - Manager

Ken Martz began practicing public accounting in 1978 working with a large, local Certified Public Accounting firm. This experience allowed him to build an extensive background in the areas of personal and corporate tax planning, financial reporting, and consulting on complex business tax issues for a broad array of clients.

In August 2002, he cofounded Martz and Wilson LLP, with Mark Wilson, in Brentwood, MO and practices as a Managing Partner.  His areas of concentration include: automobile dealerships, contractors, manufacturing, and service businesses. One of his goals is to assist clients with navigating their business’ life cycle: from startup, to mature businesses, and into retirement.  He guides business owners through the basics of startups through obtaining financing and capital accumulation, to managing growth with increasing profits, enhancing value and he can steer business owners toward retirement with succession planning and exit strategies. 

Ken graduated cum laude from Benedictine College in Atchison, Kansas in 1978 where he obtained a Bachelor of Arts in Accounting.   Throughout school he was a member of Alpha Kappa Psi. In 1979, he received his CPA certificate and got licensed to practice in the state of Missouri.  

Ken is a member of the American Institute of Certified Public Accountants and the Missouri Society of Certified Public Accountants.  He has been active in the community serving as the Treasurer to the Brentwood Chamber of Commerce, Treasurer and Board Member of the St. Louis City CASA, an Officer of the Webster Groves Knights of Columbus and Treasurer of the Council’s Home association, President of the Holy Redeemer School Board, and member of the parish’s Administration and Finance committee. 

Ken is married to Teresa, his wife of thirty years. They have four children; Matthew (married: Katie, grandson Jack) attained a Masters in Creative Writing from Columbia University and he works for a book publisher in New York City. Meghan is a graduate of McKendree College and works for an advertising agency in St. Louis. Maureen, a CPA, is a graduate of Butler University and works for an accounting firm in Indianapolis. Michelle attends the University of Mary Washington. Ken’s interest include sports. He especially enjoys coaching girl’s AAU basketball.

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Mark Wilson began his public accounting and consulting career in 1977 with a large, local Certified Public Accounting firm. He has developed an extensive background working closely with the automobile dealership, printing, retail and wholesale distribution industries as well as several other industries.

In 1987, he became the CFO of one of his larger clients. For over thirteen years, he worked with a management team that expanded a local distribution and repair company into a business operating in six states from nine locations and tripled their sales volume. Mark was also responsible for overseeing  IT operations, personnel administration, insurance, and other business management functions. After spearheading the financial project of merging the Company with eight other similar businesses and assisting in its successful IPO, Mark became the controller for the St. Louis region. Rather than accepting a management position in Houston, Mark decided to remain in St. Louis and return to public accounting. 

In 1999, Mark Wilson joined a local CPA firm as their Director of Automotive Services. Mark earned his designation as a Certified Valuation Analyst and has been heavily involved in business valuations and litigation support. He has headed fraud investigations and has testified as an expert witness in numerous court cases. 

In August 2002, Mark became a founding partner of Martz & Wilson, LLP, where he continues to be heavily involved in valuations, litigation support and other business and tax consulting projects.  

Mark graduated summa cum laude from the University of Missouri – St. Louis in 1976 where he obtained a Bachelor of Science degree in Business Administration with a specialization in accounting. Mark was a member of Beta Gamma Sigma. He received his CPA certificate in 1977 and is licensed to practice in the state of Missouri. He received his CVA certificate in 2001. 

He is a member of the Missouri Society of Certified Public Accountants, the American Institute of Certified Public Accountants, and the National Association of Certified Valuation Analysts.  He also serves as a Director of the Missouri Paralegal Association. 

Mark has been heavily involved in the St. Louis Chapter of the Missouri Society of Certified Public Accountants, serving as the past Chairman of the Industry Committee and the Continuing Professional Education Committee and as an ex-offico member of the Board of Directors.  He has also served on the Auditing & Accounting Committee and to the Statistical Sampling Committee for Associated Accounting Firms International, and as the past president of the St. Louis Realty Users Group. Mark wrote the newsletter, Profit Driven, for the metropolitan automobile dealers.

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