ChangeGroup is a UK-based retail foreign exchange and bureau de change company, headquartered in London.

The company has 120 branches in airports, seaports and city centres globally, as well as an online currency exchange service.

[citation needed] The Change Group International plc was started by Zackariya-Marikar with Bette Zackariya and Sacha Zackariya in 1992 from a single bureau in London Regent Street to create an international group across city branches, airports and offices in Europe, USA and Australia, employing 80 nationalities.

Today, the Change Group serves approximately 5 million customers annually.

[4] In April 2023 Kogan Page published a critically acclaimed book “Leading Travel and Tourism Retail”, written by Sacha Alexander Zackariya about his experiences as CEO of ChangeGroup, with interviews from 40 travel and tourism leaders including Prime ministers and CEOs of WTTC, Gatwick Airport, LVMH, Harrods and CHANEL A report by the Sunday Times found that ChangeGroup offered the best online exchange rates on euros when it conducted research in July 2011.