International law firm founded in 1896, advising clients in asset management, investment funds and technology, with legal technology and flexible resourcing products.
Simmons & Simmons is an international law firm founded in 1896 by twin brothers Percy and Edward Simmons. Headquartered in London, the firm employs more than 1,000 lawyers and maintains a presence across Europe, Asia, the Middle East and the United States. It acts as a strategic business partner to clients operating in highly regulated sectors, with particular depth in asset management, investment funds and technology.
The firm has developed a range of legal technology offerings alongside its advisory practice. These include Simmons Adaptive, a flexible resourcing solution for delivering legal services, and a suite of software products designed for international business. Its stated technical domains cover legal technology, software development for international business, and flexible resourcing or adaptive staffing solutions.
Collaboration is described as central to how the firm works, with teams positioned as specialists who act as strategic business partners to their clients. The firm reports a commitment to ethics, sustainability and community impact, and to creating positive societal and environmental outcomes. It is a signatory of the Mindful Business Charter, reflecting a stated commitment to wellbeing and balanced working lives.