Aquis Exchange Limited operates as a multilateral trading facility. It operates through Aquis Markets, Aquis Stock Exchange, Aquis Technologies, and Aquis Data segments. The company offers secondary market trading in pan-European stocks that are listed on other exchanges; and exchange and regulatory technology to third parties. It is also involved in the operation of a market for small and medium size issuers and secondary market trading in those stocks; the provision to clients of proprietorial primary and secondary market data; operation of lit and dark order books; creation and licensing of exchange infrastructure technology and services, including matching engine and trade surveillance solutions. The company serves investment banks and brokers acting on behalf of institutions, such as pension funds, asset managers, and retail brokers to execute their orders, as well as the issuers who wish to raise capital on the platform. It operates in Australia, the British Virgin Islands, Canada, the Cayman Islands, China, Colombia, Cyprus, Denmark, Finland, France, Germany, Gibraltar, Guernsey, Hong Kong, Hungary, Isle of Man, Italy, Jersey, Kenya, Luxembourg, the Netherlands, New Zealand, Norway, Singapore, South Africa, Spain, Sweden, Switzerland, Taiwan, the United Arab Emirates, the United Kingdom and the United States. The company was incorporated in 2012 and is headquartered in London, the United Kingdom. Aquis Exchange Limited is a subsidiary of SIX Exchange Group AG.