LSEG (London Stock Exchange Group) is a global financial markets infrastructure and data provider headquartered in London, United Kingdom. With origins dating back to 1801 through the establishment of the London Stock Exchange, the group has evolved into one of the world's most important operators of financial marketplaces and providers of financial data. LSEG employs tens of thousands of people worldwide and serves customers in more than 70 countries, including banks, asset managers, corporations, governments, and regulators.
The company operates a diverse portfolio of businesses spanning capital markets, post-trade services, financial data, and analytics. Key divisions include the London Stock Exchange, LCH clearing services, FTSE Russell indices, and its data and analytics platform built around the Refinitiv business, which LSEG acquired in a major $27 billion deal completed in 2021. LSEG is widely regarded as a critical part of global financial infrastructure, providing trading venues, clearing, risk management, and market data services.
In recent years, LSEG has focused heavily on transforming into a leading global data and analytics provider. A notable strategic partnership with Microsoft announced in 2022 aims to migrate LSEG’s data platforms to the cloud and develop new analytics products using advanced technologies such as AI. Through these initiatives, LSEG continues to position itself as a central player in global capital markets and financial information services.