Lseg
Global financial infrastructure and data provider — powers trading, analytics, and risk management for the world's financial system
| What is it | Global financial infrastructure and data provider — powers trading, analytics, and risk management for the world's financial system |
|---|---|
| Pricing | Contact for Pricing |
| Free tier | No |
| Platform | Web Application |
| API | Yes |
| Works with | Claude AI, Workato |
| Best for | accessing real-time financial market data, building and managing investment portfolios |
| Domain registered | 2002 |
Data updated Aug. 1, 2026
What does Lseg do?
Lseg is a global financial infrastructure and data provider. It operates the London Stock Exchange, maintains the FTSE Russell index family, and supplies data, analytics, and trading platforms to the world's financial markets. The company's services span data and analytics, foreign exchange, risk intelligence, post-trade processing, and capital markets. Its open platform gives clients access to trusted data and tools for critical investing, trading, and risk decisions.
Lseg's offering combines proprietary data with strategic partnerships. For example, its collaboration with Microsoft aims to reshape how financial services are built and delivered. The company also provides exclusive access to Reuters News through its Financial News Service. Its Digital Markets Infrastructure explores tokenisation and private fund lifecycle management. Each business unit — from Data & Analytics to FTSE Russell to Post Trade — is designed to integrate with clients' existing workflows.
This platform is built for financial professionals: asset managers, traders, risk officers, and corporate treasurers. Real-world use cases include constructing a portfolio using FTSE Russell indices, monitoring counterparty risk through Risk Intelligence, and executing currency trades on Lseg's FX venues. The company also hosts events and webinars to drive industry conversations. While Lseg incorporates AI into some products, its core value remains in providing reliable financial infrastructure and data.
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