London Stock Exchange is a leading operator of stock and financial markets, providing access to primary and secondary markets, market data, and issuer services across the United Kingdom and Europe. It facilitates equities trading, capital formation, and post-trade activities through its exchange and related platforms such as Turquoise and LSEG products. Headquartered in London, UK, the company is part of the LSEG group and serves global issuers, investors, and market participants. The site highlights market indices like FTSE and a range of regulatory and data offerings for market transparency and liquidity.