Five Decades of Experience

of excellence in the debt collection industry.

Grant Mercantile Agency (GMA) was founded in Oakhurst, Calif. in 1972 and has been helping businesses like yours increase cash flow, recoveries, and profits for more than four decades.

We help companies by providing debt collection services in the following areas:

Government Agencies

We have 160 combined years of experience handling collections for government.

Health Industry

Our healthcare clients enjoy high recoveries due to the efforts of our dedicated staff.


We are skilled at successfully processing collections for our commercial clients.

We are skilled at successfully processing collections for our commercial clients.

Click the vault to access our members-only section, which is limited to GMA clients only.
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  • This link was updated in January 2020. For more info, call 1-800-821-7530.
GMA is unique among collection professionals in that we utilize our own proprietary collection software system, written and maintained exclusively by GMA's software programmers. This provides us with the flexibility to promptly adapt to our client's individual needs.
Have you ever wished for a new service that was more responsive to your needs? Ever wished someone could offer a custom solution or report? Let us help.

If you have a special project, or need, call GMA and give us your wish list. We will customize our services to fit your needs, not ours!

What We Offer

  • Long-Term Collection Efforts
  • Positive Public Relations
  • Online Payments and Follow-Up
  • Full-Service Legal Counsel
  • Bilingual Collectors and Correspondence
  • Credit Reporting to 3 Major Credit Bureaus
  • Secure Online System Access for Clients
Grant Mercantile Agency (GMA) is a debt collection agency based in Oakhurst, CA, founded in 1972. With more than four decades of experience, GMA offers traditional collection services as well as specialized receivables management solutions to various sectors. GMA's commitment to excellence and adherence to local, state, and federal regulations contribute to its reputation and success in the industry.

Grant Mercantile Agency is a BBB Accredited Collection Agencies in Oakhurst, CA

Site Access Policy

This site is not intended for anyone under the age of 18. Our organization does not market to anyone under the age of 18 and while there is not mature content contained within this site, there is also no content designed for anyone under the age of 18.


  • Nevada Agency License Number CAD11596

  • Compliance Manager License Number CM12521, Noni Ross

Contact Information

49099 Rd 426
Oakhurst, Calif. 93644
[email protected]
Check out how to find us