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Accounting Firm

Brown Chism & Thompson PLLC

Tulsa CPA firm preparing individual and business tax returns and resolving IRS problems

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About Brown Chism & Thompson PLLC

Tax returns for individuals, companies and trusts in Tulsa

Brown, Chism & Thompson PLLC, a Tulsa, Oklahoma firm, has several CPAs on its staff and works as a certified public accounting practice. Its tax work runs from simple individual returns through to complex business and multi-state filings. The firm prepares personal income tax returns and plans for individuals, federal and all US states, as well as returns for S corporations, C corporations and LLC or partnership businesses. It also handles non-profit organizations, trusts and estates.

Business returns across several states

Business clients get federal and state income tax returns for entities including S corporations, C corporations, LLCs and partnerships. Where a business works in more than one state, the firm prepares the multi-state returns that go with it, which is the part of the work the firm presents as its most complex. The aim is to keep each filing correct for the state it is due in.

Checking returns before they are filed

The firm says every return is checked and re-checked for the issues the IRS typically flags, and that the arithmetic is reviewed carefully to ensure it is right and to limit contact with the tax authority. Returns are filed electronically, which the firm says allows a client to receive a refund as quickly as possible.

Help with problems with the IRS

Where a client already has a problem with the Internal Revenue Service, the firm offers to help resolve it efficiently and discreetly. Its list of typical problems includes receiving an IRS audit notice, failing to file tax returns, needing more time to pay a tax bill, and needing to reach a settlement with the IRS. The firm presents this as work it does regularly for clients in these positions.

Responsiveness, quality and professionalism

The firm names three principles that guide its work: professionalism, responsiveness and quality. It says that its CPAs are easy to contact and ready to answer questions, and that its attention to detail when preparing accounts and reports means clients can rely on what is submitted. Responsiveness is presented as one of the reasons clients in the Oklahoma region stay with the firm.

Personal and business clients, large and small

The firm works with individuals, small businesses and larger organizations. It says it offers a personal level of service, planning for each client's tax needs and dealing with any tax problems that need resolving. Its staff of certified public accountants is described as bringing a wide range of accounting and tax experience to each engagement.

TrustList summary

Brown Chism & Thompson PLLC is a certified public accounting firm in Tulsa, Oklahoma, with several CPAs on its staff. Its work centres on tax, from simple personal returns to complex multi-state business filings, and on helping clients who have run into trouble with the IRS.

Products and services

  • Personal tax planning and returns: federal and state income tax returns for individuals, checked for common IRS flags and filed electronically.
  • Business tax returns: filings for S corporations, C corporations, LLCs and partnerships in all states.
  • Non-profit, trust and estate returns: tax work for non-profits, trusts and estates.
  • IRS problem resolution: help with audit notices, unfiled returns, extra time to pay and settlements with the IRS.

Who it works with

The firm takes on private individuals, small businesses and large corporations, mainly in Tulsa and the wider Oklahoma region.

Key facts

  • Based in: Tulsa, Oklahoma
  • Team: several certified public accountants

Summary written by TrustList from the business's own published information, Nov 2026.

Categories & features

Brown Chism & Thompson PLLC rankings

Brown Chism & Thompson PLLC is ranked on 2 TrustList rankings: #9 on 1 and #19 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Brown Chism & Thompson PLLC has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Accounting firm · 2 rankings

  • #9of 81
    Corporation

    It is the only one of the top 79 here listing multi-state and one of 7 here listing simple.

    Of the top 79 here, 68 also cover tax and 63 also cover accounting; 8 also work in California and 4 also work in Reading.

    Behind Brown Armstrong Certified Public Accountants, ahead of Burak & Associates CPAs.

  • #19of 74
    Simple

    It is one of 5 here listing corporation and one of 63 here listing tax.

    Its profile: “Its tax work runs from simple individual returns through to complex business and multi-state filings.”

    Of the 74 here, 14 also cover reporting and 13 also cover property; 4 also work in Sydney and 3 also work in Melbourne.

    Behind Bowen Accounting, ahead of Bryant & Associates, P.C..

As of 2026-11-15. Organic ranks only; sponsored placements are never ranks. How TrustList ranks

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