FLEX Payment Solutions Celebrates "5 x 5000" - Ranking on the Inc. 5000 List of Fastest-Growing Private Companies for the 5th Year in a Row
- Kelsie Papenhausen
- Aug 14
- 2 min read
ST. LOUIS, Mo., Aug. 14, 2025 -- Inc. announced that FLEX Payment Solutions, a leading direct payment processor, is No. 3065 on the annual Inc. 5000 list, with a three-year revenue growth of 132 percent. Inc. describes itself as "the voice of the American entrepreneur" and provides a ranking of the fastest-growing private companies in America. FLEX's inclusion on this prestigious list is a testament to our unwavering commitment to integrity, innovation, our customers and our team. With a focus on driving sustainable growth and creating meaningful value for merchants, FLEX remains poised to lead the way in compliant payment processing for niche markets.
"To be recognized for a fifth consecutive year is unique honor. Our team works tirelessly to drive growth while providing excellent service and expert processing to our payment clients and banking partners," says Rob Zeitler, President of FLEX Payment Solutions.
FLEX is proud to be one of the select companies in the Financial Services category. "Making the Inc. 5000 is always a remarkable achievement, but earning a spot this year speaks volumes about a company's tenacity and clarity of vision," says Mike Hofman, editor-in-chief of Inc. "Their stories are a powerful reminder that the entrepreneurial spirit is the engine of the U.S. economy." FLEX's ranking and company profile can be found at https://www.inc.com/profile/flex-payment-solutions.
Methodology
Companies on the 2025 Inc. 5000 are ranked according to percentage revenue growth from 2021 to 2024. To qualify, companies must be U.S.-based, privately held, for-profit, and independent—not subsidiaries or divisions of other companies—as of December 31, 2024.
ABOUT FLEX PAYMENT SOLUTIONS
Flex Payment Solutions delivers best-in-class, leading-edge payment technology solutions to merchants with unique electronic payment acceptance needs. http://www.flexpaymentsolutions.com/
With more than 20 years of proven experience in the financial services space, FLEX understands the challenges of adapting to regulations and innovations in the financial industry. The company offers a vast network of specialized banking partners and powerful in-house technology, which fuels a sophisticated program built to help merchant partners move their business forward.
FLEX's proprietary solutions are ideal for highly regulated eCommerce and retail businesses such as Consumer Lending, Tribal Owned and Hemp/CBD/Cannabis. Its state-of-the-art payments alternatives include: InstaPay, eCheck 21, ACH, Debit and Credit Card Processing, F.A.C.E. Secure Payment Technology, and IVR + Text-to-Pay/Pay-By-Voice Processing.