London-based Global Processing Services has announced an additional $100 million raise, adding on to an already impressive $300 million round. The funding is slated to be used in further R&D projects as the company aims to remain at the forefront of powering some of the world’s leading fintechs that include Revolut, Curve, Starling Bank, Zilch, WeLab Bank, and Paidy. Since 2018 GPS has raised a total of $458 million.