Don W. Amstrong CPA, Inc. - Your CPA firm in Norman who understands small business.


All our clients receive close personal attention because our staff combine their expertise, experience and the energy to ensure each client's needs are met. 

We pride ourselves on our high standards, service and specialized knowledge that sets us apart from other firms. When you hire Don W. Armstrong, CPA, you receive the benefit of the expertise of our whole firm.

Where's My Refund?


As your trusted advisor we provide insightful advice to enable you to make informed financial decisions. 

To help you meet your goals we continually professionally educate ourselves to improve our technical expertise, financial knowledge and service to our clients. 

Please feel free to contact us anytime with questions regarding your tax or financial situation.

IRS Tax Forms


When you choose our firm you can be assured you will get competent, fast and accurate advice.

We believe the little things matter - such as promptly returning phone calls, appointments at your convenience, and quick turnaround of tax returns and financial statements. 

Make an Appointment

Call us to schedule a consultation: 405.321.7621