Garrett Gregory is listed as a Tax Attorney associated with Gregory Law Group, PLLC, a boutique tax law firm located in Dallas and Addison, Texas by appointment only. The firm focuses on tax controversy, planning, and resolution matters for individuals and businesses.

Gregory Law Group represents taxpayers before the Internal Revenue Service on domestic and international tax issues, including audit, appeals, and collection matters. Its stated practice areas include income tax, international tax, corporate and partnership tax, business and estate tax planning, IRS audits, IRS debt relief, FBAR, criminal tax attorney matters, and tax planning.

The source materials also state that the firm represents taxpayers before the United States Tax Court and has 25 years of combined experience working inside the IRS as former IRS attorneys.