Creating Elegant Sustainable Solutions for Companies and Individuals

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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. ​


The Team at Karen Collom, CPA:

Teresa, Karen and Mary 

Photography by:: Shutter Ray Photography

Tax Documents Drop-off 

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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Tax Filing & Payment deadline for Individuals extended to May 17, 2021 

The IRS and the Treasury department announced today that the federal income 2020 tax filing due date for individuals will be automatically extended from April 15, 2021, to May 17, 2021. The IRS has stated that it will provide further guidance in the coming days.


Individual taxpayers can also postpone federal income tax payments for the 2020 tax year due on April 15, 2021, to May 17, 2021, without penalties and interest, regardless of the amount owed.

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Karen Collom Nominated as
Top 50 Women in Accounting

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IRS Begins Third Round of Stimulus Checks

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Tax Filing & Payment Extension for Texas Businesses & Individuals to June 15, 2021

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IRS Update For American Rescue Plan

It's Accrual World - Tax Updates
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

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


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