2023 Tax Filing Deadline: April 15, 2024 |

Set Your Appointment Today!
(623) 334-1400

  • Get Your 2023 TAX RETURN filed by a
    The deadline for filing your federal and state taxes for 2023 is coming up. Don't wait and
    make your appointment with a tax expert today! Call us at (623) 334-1400.
  • Have a Tax Problem?
    Let us solve it!
    We believe that the family is one of the strongest bonds that exist in our world today.
    It is with this mentality that we provide our service to each of our clients.
  • Small Business Owner?
    Let Us Handle Your Accounting!
    We take care of your books for you, so you can get back to the job of running your business and
    generating profits! At prices that you will be happy to pay!
  • Thinking of Starting Your Own Business?
    We can help you get it off the ground!
    Opening your own business is exciting and thrilling. It’s everything that comes after the excitement
    and thrill has worn off that dictates whether a small business will make it or not.

Offer in Compromise

What is an offer in compromise? This tools allows an individual to settle a tax debt at a lower...

Penalty Abatement

Don’t accept or pay anything the IRS asks you until you speak to us. We are tax specialists and...

Income Tax Resolutions

If you happen to be facing the Internal Revenue Service’s collection process and the penalties that come along with...

IRS Levies & Liens

What are Levies and Liens and how can Mock and Associates help fellow Arizonans deal with the Internal Revenue...

Tax Consulting

During the early stages of life, as a young male or female, you might have believed the annual tax...

Our Services

We are conveniently located in the heart of Peoria, Arizona at 83rd Avenue and Thunderbird. We specialize in doing personal and business taxes right the first time. As a full service Tax and Accounting firm we provide an array of services with integrity, honesty and commitment to excellence.

Mock & Associates are experts in the process of developing and implementing a solution to solve your IRS problems…


The process of preparing your own income tax return can be a task that leaves you with more questions than answers…


Opening your own business is exciting and thrilling. It’s everything that comes after the excitement and thrill has worn off…


As a small business owner you have more important things to do than keep your own books. We take care of the books…


More about us

Why People Choose Us

Mock & Associates was started in 1980 as a family owned business. We believe that the family is one of the strongest bonds that exist in our world today. It is with this mentality that we provide our service to each of our clients. They are part of our family and are treated as such. We believe every client deserves the best service we can provide. How do we do this? By listening to their needs, providing close personal attention and helping them implement sound and effective financial strategies.

  • Get The Most From Your Return

    Isn't that what it's all about? You want to get the most back and we can help with that by looking at all you deductions.

  • dedicated team

    Mock & Associates was founded by Donald D. Mock in 1980. It was at that time when Donald realized the great need small business owners had for accounting services and sound income tax planning.

  • Qualified Enrolled Agents

    At Mock & Associates your return is prepared by an experience Enrolled Agent. Enrolled Agents are the only tax professionals who receive their right to practice from the U.S. Government by passing rigorous competency examinations.

Request a Call Back

If you have any unanswered questions, please let us know. There are five easy ways to contact us. Simply call, email, fax, write or just stop by.


Our experience with Mock & Associates has been more than wonderful. They are efficient and professional in all their work. They take a personal interest in our business and are very in tuned to our needs. Anytime I have any questions, I always feel confident that Mock & Associates will come through for me in a timely and accurate manner. They exceed my expectations every-time and they are truly top notch.

Sara K. - Owner
Main Street Dental

The best thing we could have ever done was to hire Mock & Associates to handle all of our business and personal finances. Their expertise sure made it easy for us to start up a new business. I would recommend Mock & Associates for all your personal and business accounting needs!

Patti H. - Owner
AZ Complete Cabinet Source, Inc.

I have been going to Mock and Associates for many years to have my taxes done professionally. Each and every year I have been very happy with their customer service and their professionalism. This year I started up a little jewelry business that somehow turned into a full blown tax nightmare for me. I did not prepare properly. Mock and Associates met with me and helped me find a workable procedure to get my papers and taxes in order. These professionals really make a difference in people’s lives. They really care, and they are very helpful and sincere. It is without reservation, that I would recommend Mock and Associates for any personal or business accounting/tax need. They truly are awesome!

Jacqueline S. - Owner
Jazzy Jewelry & Treasures

Latest News IRS Updates

Stay up to date with information that we post regularly in regards to new IRS policies.

03 Feb

Income Tax Organizer

Our tax organizer will help you organize your tax information and make sure you don’t miss any important deductions....

03 Feb

Where’s My Refund

When will you receive your refund? The answer depends on how you filed your return. The IRS should issue...

03 Feb

Financial Calculators

Try our wide variety of interactive financial problem solvers. Simply enter your criteria and you’ll get your questions answered...

Get Personalized Tax Resolution Help From A Qualified Enrolled Agent