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Looking for additional resources?

Commerce Department

Commerce.gov is the official website of the United States Department of Commerce and Secretary of Commerce.


The Internal Revenue Service (IRS) administers and enforces U.S. federal tax laws.

Small Business Administration

The SBA connects entrepreneurs with lenders and funding to help them plan, start and grow their business.

Social Security

Official website of the U.S. Social Security Administration.

W-4 Form

Form W-4 tells you, as an employer, the employee’s filing status, multiple jobs adjustments, amount of credits, amount of other income, amount of deductions, and any additional amount to withhold from each paycheck to use to compute the amount of federal income tax to deduct and withhold from the employee’s pay.


W-9 Form

Use Form W-9 to provide your correct Taxpayer Identification Number (TIN) to the person who is required ot file and information return with the IRS to report.

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Matthew Mann CPA

Who are we?

The firm of Matthew Mann is a solution driven CPA firm in Moore, Oklahoma. We assist entrepreneurial minded businesses as well as individuals with tax and accounting solutions.

©2024 MMCPA

501 SE 4th Street

Suite A (Upstairs)

Moore, OK. 73160

Hours of Operation:
Mon - Thu: 9AM - 5PM,
Closed for lunch: 12PM to 1PM

Friday: 8AM - Noon