NEW YORK, February 19, 2026 ─ Marsh Risk, a business of Marsh (NYSE: MRSH) and the world’s leading insurance broker and risk advisor, today announced the launch of Nimbus Casualty, a new insurance facility providing clients with excess general liability protection during the construction phase of their US-based digital infrastructure projects.
The facility offers up to $75 million in capacity, with a minimum attachment point of $25 million, and is supported by a panel of A+ rated Lloyd’s and London insurers. Leveraging Marsh Risk’s proprietary XSellence excess casualty form, Nimbus Casualty delivers follow-form coverage across a client’s excess casualty program, enhancing coverage certainty and streamlining claims negotiation.
The launch of Nimbus Casualty follows the recent expansion of Marsh Risk’s market-leading large-scale data center construction insurance facility Nimbus, which offers up to $2.7 billion in limits of traditional construction all-risks, delay in start-up, property damage, and business interruption cover.
Commenting on the launch, Paul Woodward, Head of Casualty, Marsh Risk International Placement, said: “The US casualty market presents increasing complexity and challenges, especially for digital infrastructure clients managing large-scale, high-value projects with long-term liability exposures. With Nimbus Casualty, we combine Marsh Risk’s market-leading construction expertise with our market-leading excess casualty form to provide clients with the advice and coverage certainty they need to efficiently safeguard their digital infrastructure investments.”
Mike Mathews, Global Digital Infrastructure Leader, Marsh, added: “Marsh’s Digital Infrastructure team is dedicated to driving ongoing innovation that empowers digital infrastructure owners and operators to meet the evolving demands of technology and sustainability. By integrating expertise across capital management, construction, energy solutions, and risk resilience, we help our clients not only build more efficient and powerful facilities but also ensure their long-term operational success in a rapidly transforming digital economy.”
Marsh Risk is a business of Marsh (NYSE: MRSH), a global leader in risk, reinsurance and capital, people and investments, and management consulting, advising clients in 130 countries. With annual revenue of over $24 billion and more than 90,000 colleagues, Marsh helps build the confidence to thrive through the power of perspective. For more information, visit corporate.marsh.com, or follow us on LinkedIn and X.
