Our Story

Cornerstone was founded in 1995, Cornerstone has a twenty-year track record of growth and integrity, providing superior products, services and sound insurance and financial advice to our customers. We’re a subsidiary of Guarantee Trust Life (GTL), one of the oldest and most reputable mid-size companies in America. We specialize in the retiree market, and we offer a wide variety of insurance and financial products ranging from annuities to Medicare Supplements and everything in between.

 Cornerstone has been in Texas for well over 10 years with the Texas headquarters located on King Street in Greenville. Native to Hunt County, and the surrounding areas, we opened the Commerce branch in 2018. We’re proud to say that Cornerstone has agents serving clients in all areas of East Texas and has offices in Emory & Quinlan as well. We’re a growing company with a small-town heart and we look forward to assisting you in all your retirement needs.