Aquis Exchange PLC operates as a multilateral trading facility in Europe. The company operates Aquis Exchange, Aquis Stock Exchange, and Aquis Technologies segments. It provides exchange solutions, including Aquis Equinox, a market grade matching engine with continuous uptime; Aquis Matching Engine, a solution for businesses to operate public exchange matching systems; Aquis Market Surveillance, a system providing regulatory-grade monitoring and alerts; Aquis Market Gateway, a connection gateway for systematic internalizers and counterparties; and Single Dealer Platform, a systematic internalizer to provide quote streams to counterparties. In addition, the company offers trading platform with a subscription-based pricing model based on electronic messaging traffic; matching pool, a pool trading platform, as well as offers market feed and auction services. Further, it offers its platform for investment banks and brokers acting on behalf of institutions, such as pension funds, asset managers, and retail brokers. Aquis Exchange PLC was incorporated in 2012 and is based in London, the United Kingdom.