G&A Partners was founded by Antonio “Tony” Grijalva and John W. Allen (The “G” and “A” in their company name, respectively).

In 1991, Tony opened up his own CPA practice, and John joined him in that venture a year later. Together, they formed Grijalva & Allen, P.C., and developed a respectable portfolio of accounting and CPA clients. Over the years, however, Tony and John found that many of their clients were also struggling to manage their growing businesses and often sought G&A’s assistance with payroll, employee benefits and other human resources and administrative needs.

Recognizing the opportunity to grow the business and provide the additional services their clients so desperately needed, Tony and John purchased a staffing company in 1995 and formed G&A StaffSourcing. After a few years, however, they decided to take a huge risk and spun off the temporary staffing business so that they could focus on the company’s HR and PEO (professional employer organization) business, and in 2000 rebranded the company to G&A Outsourcing.