[1] The company provided market access and trade execution services in foreign exchange, contracts for difference (CFDs) and exchange-based products to retail and institutional investors.

GAIN Capital allowed retail and institutional clients to speculate on global foreign exchange markets in what is known as ‘margin forex trading’.

The company went public in 2010 when it floated part of its shareholdings on the NYSE; however, the initial IPO was scaled back at the last minute as the target price was not reached.

[5] On February 7, 2017, GAIN Capital agreed to acquire FXCM's US client base a day after the latter had been barred by the CFTC and NFA from doing business in the United States.

GAIN Capital and its affiliates had offices in New York City, New Jersey, London, Cracow, Sydney, Hong Kong, Tokyo and Singapore.