About Grant Merchant Services and Elavon Information Systems
GMS was founded in 2000 and is family owned and operated. As a family owned company, we take pride in maintaining a less than one percent turnover rate with our clients since our doors opened. Located in Chicago, we offer services nationally with many of our clients spanning the country from New York, Texas and California.

Partnering with Elavon allows GMS to provide our clients with a powerful processing tool that is proprietary to Elavon and fully redundant with 100% up-time, 24/7 customer service 365 days a year, and a wide range of products and solutions built to meet your needs.

Elavon facts
Elavon is the #1 Network Nationally
MasterCard independent research rated the top 14 processors in the nation and found Elavon #1 in the industry for:
Reliability – 99.99% Uptime
Speed – Avg. Host Response Time of 2.5 seconds
Quality – Highest Data Integrity and Security

Elavon is the 2nd largest processor based on merchant locations, the 3rd largest processor based on processing volume, and performs 1.4 billion transactions annually.

GMS and Elavon can provide you with a single source solution for all your merchant processing needs. Our solutions are flexible and fit your business process.

Customer Service
Our customer service is available to you 365 days a year and 24 hours a day for any service needs. You can also monitor your account through our online Merchant Connect program – view a history of your transactions, batches and funding from any internet connection. This amazing customer service has no additional fees – it's all part of your monthly pricing.