About us

Brown, Chism & Thompson  is a full service CPA firm and has been serving clients across Northeast Oklahoma for more than 30 years.

Our staff includes several CPAs and brings a tremendous amount of professional accounting and tax experience to benefit our clients.  We provide not only traditional income tax preparation and consulting services, but also services such as compilations, reviews and audits, business valuations, and litigation consulting.  In addition, our staff includes certified QuickBooks® consultants and a full time property tax valuation consultant.  As your needs change, we will be able to meet those needs.

Our firm provides outstanding service to our clients because of our dedication to the three underlying principles of professionalism, responsiveness and quality.


Our firm is one of the leading firms in the area. By combining our expertise, experience and the energy of our staff, each client receives close personal and professional attention.

Our high standards, service and specialized staff spell the difference between our outstanding performance, and other firms. We make sure that every client is served by the expertise of our whole firm.


Our firm is responsive. Companies who choose our firm rely on competent advice and fast, accurate personnel. We provide total financial services to individuals, large and small businesses and other agencies.

To see a listing of our services, please take a moment and look at our services page. Because we get new business from the people who know us best, client referrals have fueled our growth in the recent years.

Through hard work, we have earned the respect of the business and financial communities. This respect illustrates our diverse talents, dedication and ability to respond quickly.


An accounting firm is known for the quality of its service. Our firm's reputation reflects the high standards we demand of ourselves.

Our primary goal as a trusted advisor is to be available to provide insightful advice to enable our clients to make informed financial decisions. We do not accept anything less from ourselves and this is what we deliver to you.

We feel it is extremely important to continually professionally educate ourselves to improve our technical expertise, financial knowledge and service to our clients.

Our high service quality and "raving fan" clients are the result of our commitment to excellence.

We will answer all of your questions, as they impact both your tax and financial situations. We welcome you to contact us anytime. 



Jeff Chism

Jeff began public accounting in 2002 after spending years in the banking industry. He’s the acting managing partner and has been a CPA since 1982. In addition to providing tax and financial guidance to both our individual and corporate clients, Jeff leads our efforts in employer retirement plan audits. 

The son of a minister, Jeff moved to the Tulsa area at age 7 and attended Berryhill High School. He earned two degrees from the University of Tulsa, BS in Accounting and an MBA.

After college, Jeff joined a local bank as a controller. From there he held chief financial officer and controller positions for various companies in the banking, manufacturing and construction industries in both the public company and private sector.

Jeff says his unique background gives him “a broader perspective on finance in general.”

He’s been active in Tulsa Little League for years, since his sons were young, and is the acting treasurer. He’s also served as treasurer of the Wine, Eats and Easels and the Arts Council of Broken Arrow. 

Gretchen Thompson.

Gretchen has over thirty years of experience in accounting, both public and private.  She is a CPA and specializes in small business accounting with a focus on the Bixby community and the surrounding area. She describes herself as “community oriented” and particularly enjoys working with small, family owned businesses because it allows her to form lasting relationships with clients.

Gretchen graduated from University of Tulsa with her BS in Accounting in 1983, then gained valuable experience in both private and public accounting. For seven years, she and her husband owned their own business, which helps her relate to and give guidance to clients who own their own businesses.

Gretchen has always held goals of working with the community. She describes community involvement as “her focus since I started.” She’s worked extensively with the Bixby Rotary Club since 2007, and has served as President. She’s also the former Treasurer of the Bixby Outreach Center and member of the Bixby Chamber. 

Rachael  Braggs

Rachael joined our team in 2015 as a Staff Accountant. She has been a CPA since 2015 and specializes in performing compilations, reviews, and audits in addition to providing tax preparation for both our individual and small business clients.

She graduated from Booker T. Washington High School in 2002 and graduated from Northeastern State University twice. In 2005, she earned a BA in Psychology. After taking a career assessment through Tulsa Community College, it pointed her towards a career path in accounting. She learned that accounting was her passion. In 2009, she earned a BS in Accounting while working one full time and one part time job.

After obtaining her Accounting degree, she was given additional accounting tasks at her job as an administrative assistant. In 2011, she went to work in public accounting at one of the big four firms in Tulsa as an auditor. She gained valuable experience working in a team environment auditing financial statements for SEC 500 companies, employee benefit plans, and not-for profit companies. Desiring to be closer to her family and experience working in the tax field, she found her new home with Brown Kinion & Company.

Rachael is active in her community serving on the committee for Tulsa Mom’s of Multiples in preparation to serve on the board as Treasurer in the 2017-2018 fiscal year. She is also an active member of the Parkview’s weekly parenting group.