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Creating Elegant Sustainable Solutions for Companies and Individuals


Karen Collom, CPA is a Texas-based accounting firm that provides a full range of accounting, bookkeeping and tax services to individual and small- to medium-sized businesses. Since 2004, the firm has provided services to businesses that lack a bookkeeper, controller, or CFO

or simply choose to outsource those functions. Global clients include foreign nationals in the US and US Citizens living abroad.  

They also provide services for seniors

including managing monthly finances and

bill pay, as well as estate settlement services,

in the event of a death of a business partner,

spouse or parent. ​

Photography:: Shutter Ray Photography

Tax Documents 

The reception desk for our offices has moved to the second floor. If you are dropping off tax documents, please come up the elevator to the second floor reception area - Suite 200.


1333 W. McDermott Dr.

Suite 200

Allen, TX 75013 

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Karen Collom, CPA Named Best of Allen - 2022

We are happy to announce that Karen Collom CPA , has been selected as the Winner for the 2022 Best of Allen Awards in the category of Certified Public Accountant.

Each year, in and around the Allen area, the Allen Award Program chooses only the best local businesses. The award is given to companies that have demonstrated their ability to use various marketing methods to grow their business in spite of difficult economic times. The companies chosen exemplify the best of small business; often leading through customer service and community involvement.

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IRS Launches Digital Authorization for Taxpayers

Did you get a tax Notice or Letter from the IRS?

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How to Make Tax Payments Online

Our Services


Tax Preparation

Tax Minimization Strategies

Tax Compliance

Senior Assistance & Estate Settlement Services

International Tax Services

Learn More


 Bundled Tax & Accounting Packages 

Administrative/ Essential 


Executive / Premium


Tax Preparation

Tax Minimization Strategies

New Business Set-up Consulting

Quickbooks Training and Support* 
*For Clients Only

Learn More

Meet Our Team

The team at Karen Collom, CPA, works together to create sustainable solutions for our clients that allow for client growth and change. Building relationships is tantamount to what we do. Our clients entrust us with their financial security, and we never consider them just a number.


Karen Collom - CPA


Mary Salazar  - CPA


Teresa Michelsen
Office Manager
Certified Quickbooks Bookkeeper

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Leah Stradley
Quickbooks Online
Pro Advisor

Image by Jess Bailey

30-Minute Consultation

Contact us to see how our accounting expertise and personalized services can save you time, money and frustration on all accounting matters.

To ensure that there is a good fit between us, we offer a 30 minute complimentary in-person session to discuss your needs and our solutions. 

Complete and submit the form and we will reach out to schedule your session.

1333 W McDermott Dr
Suite 200, Allen, TX 75013


Contact Us

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