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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Karen Collom Nominated as Top 50 Women in Accounting

Practice Ignition is celebrating the outstanding women leading the charge and driving change within the accounting industry. This program celebrates women who made a difference in 2020.


We are pleased to announce that our is nominated as a Top 50 Women in Accounting.  We believe that Karen certainly made a difference in 2020 - and many prior years as well.

Tax & Office Updates

Economic Impact Payments - Round 2

On December 29, 2020, the IRS and Treasury Department began delivering a second round of Economic Impact Payments to millions of Americans who received the first round of payments earlier in 2020.


There is no action required by eligible individuals to receive this second payment.

SBA Announces PPP - Round 2

A second round of Paycheck Protection Program Loans are available. 

Guidance can be found by clicking the buttons below:

Tax Extension for Texas Businesses & Individuals

Because a State of Emergency was declared in Texas and accepted by the President, Texas businesses and individuals have been given an automatic extension for filing 2020 tax returns and related tax payments to June 15, 2021.

As a firm, it is our intention to continue to prepare returns in a timely fashion and support clients as the preparation documents are received. 

Key Dates for
2021 Tax Filing Season

Important dates for this year’s filing season.

  • Jan. 15 - IRS Free File opens.

  • Jan. 29 - EITC Credit Awareness Day

  • Feb. 12 - IRS begins 2021 tax season.

  • Feb. 22 – Where’s My Refund Tool Updated

  • First week of March – Tax refunds Begin

  • April 15 – Deadline for filing 2020 tax returns.

  • Oct. 15 – Deadline to file for those who requested an extension

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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©2020 Karen Collom CPA.

1333 W McDermott Dr
Suite 200, Allen, TX 75013


* Quickbooks is a registered trademark and/or service mark of Intuit Inc.

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