FinTech III, a special purpose acquisition company, completed the merger with GTCR-backed Paya, an integrated payments and commerce solution provider, in a $1.3bn deal. "The firm has been an exceptional partner, and we are excited for their continued support of our growth strategy while operating in the public market. I'd also like to express my appreciation to the public market investors who have invested in support of the next chapter in Paya's evolution," Jeff Hack, Paya CEO.