Aquis Exchange PLC operates as a multilateral trading facility in Europe. The company operates through three segments: Aquis Exchange, Aquis Stock Exchange, and Aquis Technologies. The company offers a trading platform with a subscription-based pricing model based on electronic messaging traffic; data services to third party vendors; and access for clients to trade in stocks and ETFs across European markets, as well as licenses its exchange related technology to various international financial services clients across various asset classes. It also 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 listings and trading, and data services. The company 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.