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London Stock Exchange Group plc

United Kingdom · LSE: LSEG ·Market cap:

It runs stock exchanges and sells financial data and trading technology to banks and investors.

London Stock Exchange Group makes money in two big, very different ways. The first is running markets — it owns the London Stock Exchange (XLON), where shares of big companies trade, plus clearing houses that sit in the middle of trades and guarantee nobody gets stiffed. The second, and now the bigger one, is data and analytics: it sells the prices, indexes, and financial information that banks, fund managers, and traders rely on to make decisions. It also sells the software that powers other exchanges and brokers. A rough split: the data and analytics side is now well over half the revenue, while the markets and clearing side is the smaller but still critical piece.

Think of it as the plumbing and the weather report for global finance. The plumbing is the exchange and clearing business — trades have to flow through it, and it earns fees on that flow. The weather report is the data business — everyone who trades wants to know what's happening, and LSEG sells them that picture. The company got much bigger in this data world when it bought Refinitiv, a huge financial-data provider, back in 2021. That deal turned LSEG from mainly an exchange operator into a data powerhouse that competes with Bloomberg and S&P Global. It's headquartered in London, which still matters because the UK exchange is its historic home base, even as most of its growth now comes from data.


The company generates a lot of steady cash because data subscriptions renew and exchanges collect fees on every trade. It spends that cash on dividends to shareholders, buying back its own stock, and paying down the debt it took on from the Refinitiv deal. Lately, the big themes are growth in its data and post-trade businesses, partnerships to sell more analytics, and watching how regulators treat the exchange and clearing side, which is heavily watched because it sits at the center of the financial system. Founded through centuries of London trading history, it started as a literal marketplace for shares and has quietly become one of the world's biggest sellers of financial information.

Saved answer · last researched 10 Oct 2026