ChangeGroup & Prosegur Change | 5,034 followers on LinkedIn. Currency Exchange, ATMs, Travel Money online, WU and Tax Refund services in airports & ultra prime shopping areas | Travel Money Specialists ChangeGroup and Prosegur Change are now part of Prosegur Cash, listed on the Madrid stock exchange, we are now part of a group that employs 160,000 employees globally. We are a powerful innovator in international financial services, growing through a mixture in acquisitions and organic growth. We are proud of the many services that we provide to our 5 million international customers each year.