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A Reputation Built on Trust

Guardian Tax Service was founded in 1994. The firm has expanded services, personnel, and tools since then that has allowed us to provide customized solutions for our clients.

Located just northwest of Houston, TX, we’ve now broadened our reach through technology to service clients all over the United States as well as US employees working abroad.


Brett Kerr


Mr. Kerr has been working in the financial support industry for over 25 years. He specializes in supporting small to medium sized businesses and provides them with innovative solutions for the variety of hazards businesses can face. His clients benefit from his instincts and ability to pull all aspects of a business owner’s life together to provide a comprehensive approach to tax savings, day-to day operations, and organizational health.


Melissa Chisum


Ms. Chisum has been with Guardian for over 25 years and has proven herself to be an expert tax preparer during that time. She provides support to individuals and businesses with tax preparation and advisory services throughout the year. Her clients benefit not only from her expertise, but also her personalized approach with them, which brings her consistent rave reviews and a great number of new client referrals every year.


JR Coleman, EA ATA



Mr. Coleman has over 30 cumulative years of experience in Tax Preparation, IRS Representation, and Tax Advisory roles. He began his career as a Revenue Officer with the IRS. For the past 20 years, he has utilized the knowledge base gained with the IRS in practice as an expert tax preparer, an Enrolled Agent supporting clients with IRS issues, and as an Accredited Tax Advisor. His approach is results-driven and customer-focused, which draws clients seeking tax related resolutions from all over the United States.


Jeremy Angus


Mr. Angus brings a wide range of skills to the Guardian Tax Service team. He has spent over 20 years providing tax advisory, bookkeeping, and consulting services to his clients across the United States. While providing excellent service to his clients, he earned his LSSP (Licensed Specialist in School Psychology) and even worked as a behavior specialist for 7 years. This combination of business expertise and psychological research has afforded him a unique and well-rounded perspective in his approach to tax and business consulting.


Tiffany Osborn


Ms. Osborn has been with Guardian for over 10 years and currently serves as both Payroll Administrator and Bookkeeper. Her attention to detail and flexibility make her invaluable in a role that requires constant shifts in focus and scope. With a merging of skill, timeliness, and responsiveness to client needs, she provides back-office support to businesses allowing them to focus on the work in front of them.


Rhonda Jones


Ms. Jones has served as Office/Billing Manager for the past several years. She has over a decade of corporate experience in a variety of roles. From recruiting specialist to operations manager to internal auditor, her know-how coupled with a focus on solutions makes her uniquely suited to a role of restructuring systems and procedures. She is eager to add to her knowledge base and expand her skills to better support both internal and external clients.


Mission Statement

Our mission is to partner with our clients providing expert advice, direction, & solutions that alleviate the stress & concern associated with tax filing, running a business, and setting financial goals.

Our Values

These values reflect who we are and what we stand for as a company.

Customer Commitment

We develop relationships that make a positive difference in our clients’ lives.


We provide outstanding solutions and services that, together, deliver premium value to our clients.


We uphold the highest standards of integrity in all of our actions.


We work together, across disciplines, to meet the needs of our clients and to help the company win.

Respect for People

We value our people, encourage their development and reward their achievements.

Good Citizenship

We are good citizens in the communities in which we live and work.

A Will to Win

We exhibit a strong will to win in the marketplace and in every aspect of our business.

Personal Accountability

We are personally accountable for delivering on our commitments.

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