Atos Selected by LCH SA to Migrate its Financial Information Systems to the Cloud

WHY THIS MATTERS

The partnership between Atos and LCH SA represents a critical turning point for European market infrastructure, signaling that even the most “too-big-to-fail” institutions are finally moving core financial systems to the cloud. LCH SA, as a leading global clearing house, sits at the heart of the derivatives market, managing trillions in risk. Historically, these systems remained on-premise due to extreme security and regulatory concerns. By utilizing a SecNumCloud-qualified infrastructure the highest security certification from France’s ANSSI this project proves that cloud adoption is now compatible with the “sovereign” and “resilient” requirements of the European financial market.

For the broader industry, this migration serves as a benchmark for operational resilience under the Digital Operational Resilience Act (DORA), which mandates that financial firms maintain strict oversight of their third-party tech providers. Atos’ ability to guarantee “full continuity of operations” during the move is essential; in clearing, even a few seconds of downtime could trigger systemic liquidity issues. This deal cements the transition of cloud technology from a cost-saving experimental tool to the definitive standard for mission-critical financial plumbing.

Atos, a global leader of AI-powered digital transformation, announces it has signed a three-year contract with LCH SA, the global clearing house based in Paris, to assist LCH SA with the migration of its financial information systems on a highly secure, SecNumCloud-qualified cloud infrastructure, while guaranteeing full continuity of operations.

A strategic project for Atos and the industry

This contract confirms Atos’ position as a leading player in cloud transformation for highly regulated market infrastructures. Atos is looking forward to providing international market participants with a new, concrete example of a secure migration in compliance with applicable regulatory frameworks. Atos stands out in the market through its expertise, industry knowledge, and ability to deliver strategic projects whose success relies on the skills and commitment of its teams throughout the entire transformation journey.

“This project perfectly illustrates Atos’ ability to support financial institutions in their digital transformation while guaranteeing the security and compliance of their information systems. Our expertise, our industry knowledge, and our commitment are key to the success of LCH SA’s migration to the cloud. We are proud to contribute to the modernization and migration of such a strategic infrastructure for the European financial market” –  Franck Chartier, head of France, Atos.

“This project with Atos supports the modernisation of our information systems and helps ensure we continue to meet the expectations of our customers and regulators, while strengthening our operational resilience as we move to the cloud” – Corentine Poilvet-Clédière, CEO, LCH SA and country head, France, LSEG.

FF NEWS TAKE

Atos securing a three-year contract with an LSEG-owned entity like LCH SA is a major validation of its specialized “sovereign cloud” strategy. While hyperscalers dominate the general market, Atos is successfully carving out a niche in the high-stakes, highly regulated French and European sectors where data residency and SecNumCloud compliance are non-negotiable. For Atos, this isn’t just a contract; it’s a high-profile demonstration of its relevance as an orchestrator for the “legacy-to-cloud” journey that many European banks have yet to fully undertake.

However, the execution risk remains high. Moving a clearing house’s information systems is akin to “changing the engines on a plane while it’s in flight.” LCH SA’s CEO, Corentine Poilvet-Clédière, is banking on this modernization to meet increasingly aggressive regulatory expectations for real-time risk management and transparency. If Atos can deliver this transition without a single hitch in clearing cycles, it will likely trigger a wave of similar migrations across other European clearing houses and exchanges that have been hesitant to leave their legacy data centers.

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