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About Us

About Our Firm

For years, Addington & Associates, PLLC has been providing quality, personalized financial guidance to local individuals and businesses. Our expertise ranges from basic tax management and accounting services to more in-depth services such as audits, financial statements, and financial planning.

Addington & Associates, PLLC is one of the leading firms in and throughout the area. 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, hiring of seasoned tax professionals, and work ethic is the reason our client base returns year after year.

Our Mission

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. Addington & Associates, PLLC 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 has earned 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 individuals and businesses who choose Addington & Associates, PLLC receive competent and timely advice.

Our Team

Paul Addington, CPA

Mr. Addington is in charge of the firm's accounting, auditing and tax practice and has over twenty years of public accounting experience. He is in charge of technical performance on all audits and tax engagements performed by the firm. Mr. Addington is a past chairman of the Financial Statement Review Committee of the Arizona Society of CPA's Southern Chapter and has been involved with the audits of numerous for-profit and nonprofit clients.

Mari Valenzuela, CPA

Mrs. Valenzuela has been with the firm since its inception and has over nine years of audit and accounting experience. Mrs. Valenzuela has an extensive knowledge of federal and other regulatory grant compliance requirements and nonprofit accounting. She has a firm understanding of local community issues effecting nonprofit organizations operating in Southern Arizona, and a practical approach to assisting clients with compliance related issues. Mrs. Valenzuela is currently a volunteer for Carondelet Hospice.

Mark Addington, CPA
Tax Consultant/Auditor

Mr. Addington has a Master of Accounting degree from the Eller College of Management at the University of Arizona and is a certified public accountant in the state of Arizona.

Chance Brown
Tax Consultant/Auditor

Mr. Brown has a Master of Accounting degree from the Eller College of Management at the University of Arizona.