Principals

McGrath & Co., PLLC, founded in 2009, is led by a team of four owners:

Mark W. McGrath, CPA

Mark W. McGrath, CPA

Mark has over 34 years’ experience working with special purpose governments, which includes 10 years as a partner with Null-Lairson, P.C. and 3 years as a partner with White Petrov McHone, P.C. Mark has been a CPA for over 38 years. He was one of a handful of CPAs in the State chosen to assist Texas Commission on Environmental Quality staff with a complete re-write of the agency’s Water District Financial Management Guide to address the complexities involved with the implementation of GASB Statement No. 34. Mark is the managing partner of McGrath & Co.

 
Colette M. Garcia, CPA

Colette M. Garcia, CPA

Colette Garcia has been a CPA for over 28 years and has more than 13 years’ experience in auditing special purpose districts. Her experience prior to public accounting includes a broad background in corporate and governmental accounting in a wide variety of roles. Colette oversees the audit practice.

 
Crystal Horn, CPA

Crystal V. Horn, CPA

Crystal Horn began her public accounting career in 2008 after graduating from the University of Houston and has been with McGrath & Co. since its inception. She became a CPA in 2016. Crystal manages agreed-upon procedure engagements relating to developer reimbursements.

 
Tayo Ilori, CPA, CFE

Tayo Ilori, CPA, CFE

Tayo Ilori started his public accounting career in 2008, while still attending the University of Houston, and joined McGrath & Co at its inception. He completed his Masters in 2010, became both a CPA and CFE in 2011. Tayo left the firm for a few years to work with KPMG LLP and with Arnie & Company, P.C., specializing in forensic accounting and litigation support. He returned to McGrath & Co. in 2013. Tayo is responsible for the supervision of audit engagements.

 

They have thirty years experience working with municipal utility districts, levee improvement districts, and special purpose governments including tax increment reinvestment zones, development authorities, management districts and others. Services for many of these clients include work with developer reimbursements as well as independent audits. Currently, they have 150 MUD clients.

The firm provides extensive expertise with TCEQ rules. Mr. McGrath was one of a select group of CPAs in the State that assisted TCEQ staff with a complete re-write of the agency’s Water District Financial Management Guide, in conjunction with the implementation of GASB Statement No. 34 and the adoption of this statement for entities regulated by the TCEQ.