About Us

About Our Firm

Assurance Dimensions

For years, Assurance Dimensions has been providing quality, personalized guidance to a multitude of businesses. Our expertise ranges from accounting services to more in-depth services such as public and private company audits, SOX consulting, and management consulting services.

We are one of the leading firms in the State of Florida with offices in Tampa Bay, Jacksonville and Southeast Florida. By combining our expertise, experience, and the team mentality of our staff, we assure that every client receives the close analysis and attention they deserve. Our dedication to high standards and work ethic is the reason our client base returns year after year.

Our Mission

What We Value

Our mission is to help clients maintain financial viability in the present, while taking a proactive approach to achieve future goals. This requires open communication to reach an understanding of our clients’ needs through research and sound analysis. Assurance Dimensions is dedicated to meeting these goals with high standards of excellence and professionalism. We have been a staple of the area’s business community for years, and pride ourselves on the level of esteem we have earned.

Our dedication to hard work and quality has earned us the respect of the business and financial community in and around the area. We believe this to be a direct derivative of our talent and responsiveness to our client base. Whether you are a current or prospective client, rest assured that businesses who choose Assurance Dimensions receive competent and timely advice.

Our Partners

Matthew “Matt” C. McNamara, CPA, CISA

Managing Partner


Matt McNamara has been practicing as a Certified Public Accountant for 19 years. He began his career at two of the world’s largest accounting firms, Arthur Andersen and Grant Thornton, before moving over to the industry sector as corporate controller for Anchor Glass and director of internal audit for MarineMax Corporation. He returned to Grant Thornton as a senior manager to oversee a client list of SEC and private company audits in the following industries:  technology, manufacturing, construction, transportation and not-for-profit,. Matt led both PCAOB, private equity and venture capital engagements and managed key relationships for the firm’s portfolio companies. He currently serves as the managing partner at Assurance Dimensions.

Matt graduated from the University of Florida in 1998 with a Masters Degree of Accounting.  He holds licenses as a Certified Public Accountant (CPA) in the State of Florida and nationally, as a Certified Information Systems Auditor (CISA).

He is a graduate of Leadership Tampa Bay, a member of the Florida Institute of Certified Public Accountants, the American Institute of Certified Public Accountants, Community Association Institute and works with Junior Achievement and the Leukemia Lymphoma to support their causes.

(813) 610-3983
matthew.mcnamara@aduscpa.com

Bennie Lewis, CPA

Audit Partner, Tampa Bay Office


Bennie joined Assurance Dimensions as a senior in 2009. Prior to that, he worked with Grant Thornton.  Bennie has significant experience in the not-for-profit space with both small entities, large organizations and those with single audit requirements. He has managed audit and SOX consulting teams in a wide variety of industries ranging from education, health, construction, financial, technology, manufacturing, franchising, consulting, engineering, communications, and real estate entities.  

Bennie graduated from the University of South Florida in with a Bachelors of Science Degree in Accounting.  He holds a license as a Certified Public Accountant (CPA) in the State of Florida, a member of the Florida Institute of Certified Public Accountants, and the American Institute of Certified Public Accountants.

Bennie is consistently involved with various not-for-profit organization events that take place in the Tampa Bay area.

(813) 443-5048 ext. 302
bennie.lewis@aduscpa.com

Scott Mattson, CPA

Audit Partner, Jacksonville Office


Scott Mattson has been practicing as a Certified Public Accountant for 17 years. Most of his career has been with The LBA Group, one of the largest local firms in Northeast Florida, including one year after LBA joined BDO USA LLP. Scott oversaw the employee benefit plan practice for LBA, as well as the assurance work for non-public companies in a variety of industries.

Scott graduated from Florida State University in 1993 with a Bachelor’s of Science Degree in Business Administration. He holds licenses as a Certified Public Accountant (CPA) in the State of Florida.

Scott is a member of the Florida Institute of Certified Public Accountants, the American Institute of Certified Public Accountants, and is on the board of the Down Syndrome Association of Jacksonville.

(813) 443-5048 ext. 304
scott.mattson@aduscpa.com

Tampa Bay, Florida

4920 W Cypress Street, Suite 102
Tampa, FL 33607

Jacksonville, Florida

4350 Pablo Professional Ct
Jacksonville, FL 32224

South Florida

5489 Wiles Road, Suite 303
Coconut Creek, Florida 33073