About Diamond Merchant Services

Diamond Merchant Services is a national credit and debit card processing company created to educate and save businesses both time and money. We specialize in providing first-class service at the lowest pricing, keep more of your gross sales. Diamond Merchant Services offers businesses a piece of mind with next-day funding — your money shouldn’t be held up in processing.

Our mission is to provide businesses with the best and most economic credit card processing and payment solutions. We are here for you when you need us. Diamond Merchant Services understands businesses do not operate on a 9 a.m to 5 p.m. schedule, which is why we offer 24/7 technical and client support at no additional cost.

Put our 16+ years of industry experience to work and let us handle your merchant services.

Our Servant Leader

Jason R. Aucello, founder and president of Diamond Commercial Group, LLC dba Diamond Merchant Services, and his family have lived in the Manteca area since 2002. Aucello is a husband, a father to three, a coach, and a philanthropist. Mr. Aucello’s children are all involved in sports and activities in both the Manteca and Stockton areas. His daughter graduated from The University of the Pacific and competed on both the cross country and track teams. His middle son plays basketball for Sierra High School and the Central Valley Warriors.  Aucello’s youngest son, who was diagnosed with autism, plays both football for the Manteca Junior Timberwolves and soccer for the Manteca Soccer League.

Aucello served on The United Way of San Joaquin County board and as a council member for the Stockton Community Council.  Aucello also is an active member of The Greater Stockton Chamber of Commerce, and a football coach for the Manteca Junior Timberwolves.

Let us help your business needs with credit card processing and payment solutions. Get a quote today.