auditing and accounting services

Doing Business in Houston, TX Since 1987

With over 35 years of auditing and accounting experience in local governmental entities, MGSB is committed to providing your business with expert service and dedicated support.

Our History

Founded in 1987

Originally founded on March 1, 1987 by Michael M. McCall, the firm initially had a client base of 35 municipal districts. In September 1992, the Firm’s name was changed to McCall & Company.

On January 1, 1998, Debbie Gibson became a shareholder and the firm was renamed to McCall Gibson & Company, PLLC. On January 1, 2006, the firm added two new shareholders, Christopher (Chris) J. Swedlund and Noel W. Barfoot, and was renamed to McCall Gibson Swedlund Barfoot PLLC. On January 1, 2019, the firm added Joseph Ellis as a new shareholder in the firm. Mike McCall retired in July 2012 after working in public accounting for 35 years. Debbie Gibson retired in June 2019 after working in public accounting for over 34 years.

01 Financial Statement Audits

Audits of State and Local Governmental Entities

02 Single Audits

Audits of Federal and State Grant Funds

03 Agreed-Upon Procedures

Due Diligence, Compliance, and More

Quality, Service, Integrity

Our Philosophy

We believe in treating our clients with honesty, and going above and beyond to ensure that they receive the services they need to manage their district.

As employers, we are committed to providing a professional environment that lets our employees thrive and learn the finer points of public accounting as well as the local governmental accounting industry.

Contact Info

Get in Touch with Us

Houston: 13100 Wortham Center Dr., Suite 235 Houston, TX 77065

Austin:  P.O. Box 29584 Austin, TX 78755

Phone:  (713) 462-0341

Fax:  (713) 462-2708


13100 Wortham Center Dr.,
Suite 235 Houston, TX 77065

P.O. Box 29584
Austin, TX  78755

Copyright 2022 MGSB PLLC | All Rights Reserved