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What We Do for Our Clients

Most of our clients are small businesses that need a CPA partner to guide them through the complicated banking, tax and payroll laws. They are interested in solutions that are affordable and high quality...and ACO delivers.

We pride ourselves on saving our clients money and making sure their business is sound and on track to meet their personal goals. Our clients are busy people and count on us to understand tax law, keep them out of trouble with the IRS and maximize their profits. We believe the more we understand about tax law, the less you pay in taxes.

Every one of our clients has unique needs and we enjoy the process of first understanding those needs and then meeting them. This might include giving advice, suggesting changes in software, timing decisions and many more possibilities. Whatever it takes, we are here to help you succeed. Why not schedule a consultation today?

Team Picture

Why Use a CPA?

Clearly all successful small business owners are budget conscious, but a good CPA doesnt cost you money...they save you money!

Save Time

Stop spending your time on compliance with the IRS and do what you do best

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Save Money

Our experts at every staff level ensure the best value for your business

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Sleep Easy

You'll sleep better knowing the ACO team is on the job. Why worry?

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Theresa with client

The Services We Provide

Your business has to be agile. Your clients expect you to provide them with superior service. You should expect the same from your CPA.

Our clients are our top priority and it shows. We understand that when you get home on Friday and find an IRS letter in your mailbox you can't wait until Monday to understand what it means. That's why we give our clients support after hours and on weekends. Come find out what superior service feels like...make the switch to Arndt Company.

  • Corporate Tax
  • Individual Tax
  • Audit Representation
  • Monthly Accounting
  • Payroll
  • Estate Gifts and Trust
  • Sales Tax Compliance
  • New Business Setup
  • Business Succession Planning
  • QuickBooks Experts
More about our services

We couldn't have said it better ourselves

It really doesnt matter much what we say about ourselves...only what our clients say about us. Our thanks to the clients below for their kind words...

Important news that might affect you...

Our blog is where we post in depth explanations of topics that affect our clients. If you call us with a question that we think other clients might have (or should know) we will often put it here as a post.

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Want to see all our blog posts?

There's lots of good information over on our blog...take a peek!

Meet the Team

Our staff is second to none! Put the Arndt Company team to work for you!


Theresa Arndt, CPA


Theresa started ACO to combine the skills of big accounting backgrounds with personalized service.

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Caroline Cavanaugh, CPA

Accounting Services Manager

Caroline's audit background and drive for excellence make her unstoppable. She leads the charge on monthly accounting.

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Lauren Lawson

Senior Accountant

Lauren's Controller background and public accounting experience make her the total package!

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Maria Martin, CPA

Senior Accountant

Maria's experience in public and private accounting ensures that your business runs smoothly. She has seen it all!

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Julie Tulla, CPA

Senior Tax Accountant

Julie is a taxation expert, no tax problem is too complicated for her to tackle.

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Jessica Butlar

Firm Administrator

Jessica is the the one who keeps ACO humming...while we do the same for you!

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