“Personal relationships with clients is what sets us apart. We like to work one on one with our clients to analyze their unique operating environments and customize the best strategic plans.”

Why choose us

Since 1994, we serve clients ranging in size from Fortune 500 companies to local businesses and non-profits. We believe that ongoing client communication and partner availability is essential to providing high-quality, high-value professional services. From inception to dissolution, we walk side by side with our clients, expertly navigating the rapidly evolving environment they face today.

Mitzi E. Sullivan CPA, PLLC | Firm ManagerAbout the Owner

Mitzi Sullivan, CPA

  • Bachelor’s in Accounting at UTA
  • QuickBooks ProAdvisor

As the owner and manager of the Mitzi E. Sullivan CPA, PLLC, Mitzi oversees all departments and focuses on strategic and financial business planning for every client.

Mitzi started her professional career at Ernst & Young as an auditor, primarily in oil and gas. She has over 30 years of experience as a CPA serving clients in numerous industries including real estate, professional services, construction, manufacturing, and retail. As an entrepreneur, Mitzi has a passion for business and takes pride in helping clients strategize for success.

Our Team

Mitzi E. Sullivan CPA, PLLC is proud to call Decatur, Texas home. We also offer virtual services to clients nationwide.