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LSEG Technology is a leading global provider of financial markets technology solutions, and a core part of London Stock Exchange Group (LSEG). It designs, builds, and operates high-performance technology for LSEG's own markets and for over 40 client organizations, including exchanges, clearing houses, and central securities depositories. LSEG Technology's offerings span the entire trading lifecycle, from pre-trade to post-trade, including market data, trading platforms, risk management, surveillance, and clearing and settlement systems. With a strong focus on innovation, resilience, and scalability, LSEG Technology plays a crucial role in enabling efficient and stable financial markets worldwide. Key technology hubs include London and Colombo, Sri Lanka, among other global locations.
Serves as the primary strategic and operational hub for LSEG's global business, including its technology divisions. It drives innovation, product development, and corporate governance for the Group's financial market infrastructure and data services.
Located in a modern, purpose-built office complex in Paternoster Square, adjacent to St. Paul's Cathedral. The building features state-of-the-art facilities and infrastructure supporting critical financial market operations.
A dynamic, collaborative, and innovative environment focused on leveraging technology to solve complex financial market challenges. Emphasizes integrity, excellence, and partnership, fostering a culture of continuous learning and development.
The London headquarters symbolizes LSEG's prominent position in the global financial industry and its commitment to providing resilient and advanced technology solutions. It's a key center for engaging with clients, regulators, and partners.
LSEG Technology supports a wide array of functions globally, essential for the operation of financial markets. These include the development and deployment of trading platforms, clearing and settlement systems, market data solutions, risk management tools, and market surveillance technologies. Its global teams provide software engineering, implementation services, ongoing technical support, and managed services to exchanges, clearing houses, central securities depositories, and other financial institutions across the Americas, EMEA, and Asia-Pacific regions.
10 Paternoster Square
London
England
United Kingdom
Address: Level 12, West Tower, World Trade Center, Echelon Square, Colombo 01, Sri Lanka (Representative address for LSEG Technology/MillenniumIT)
Serves as a critical software engineering and operational support hub for LSEG's global client base and internal technology needs, leveraging skilled talent in the South Asian region.
Address: 575 8th Ave, New York, NY 10018, USA (LSEG US Headquarters)
Supports LSEG Technology's business development, client services, and technology deployment within the North American financial markets, a critical region for global finance.
Address: Suite 1603-06, 16/F, Two Exchange Square, 8 Connaught Place, Central, Hong Kong (LSEG Hong Kong Office)
Drives LSEG Technology's growth and service delivery across the Asia-Pacific region, catering to local market needs and regulatory environments.
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As of April 2025, LSEG Technology' leadership includes:
LSEG Technology has been backed by several prominent investors over the years, including:
LSEG has experienced key leadership transitions, notably within its finance function, over the past year, reflecting strategic adjustments and growth. The most significant change involved the appointment of a new Group CFO.
Discover the tools LSEG Technology uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
LSEG (London Stock Exchange Group), including LSEG Technology, commonly utilizes standard corporate email formats. The most prevalent patterns are typically based on employee names.
firstname.lastname@lseg.com or finitiallastname@lseg.com (e.g., j.doe@lseg.com)
Format
john.smith@lseg.com
Example
85%
Success rate
LSEG News & Media • May 21, 2024
LSEG announced the launch of its flagship global event series, 'Connect'. The series will bring together leaders and innovators from across the financial ecosystem to explore key themes shaping the future of finance, including technology transformation, data and AI, sustainable finance, and digital assets. LSEG Technology plays a key role in these discussions....more
LSEG Q1 2024 Trading Statement • April 25, 2024
LSEG reported a strong start to the year with total income (excluding recoveries) up 7.3%. Growth was broad-based, with significant contributions from its Data & Analytics division and ongoing technology synergies and product innovations. This highlights the continued importance of LSEG Technology's contributions....more
LSEG News & Media • March 7, 2024
LSEG announced the appointment of Michel-Alain Proch as Chief Financial Officer (CFO) and a member of the Board of LSEG plc, effective March 1, 2024. He succeeded Anna Manz....more
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