RiverStone acquires and manages legacy insurance and reinsurance liabilities, resolving run-off claims for carriers seeking capital efficiency. Recent hiring is senior-weighted and concentrated in claims and legal, matching pain points around asbestos and pollution exposures, coverage disputes and litigation cost control. Behind the claims operation sits a Microsoft-centric stack of C#, .NET Core, Blazor and Azure Data Factory, with Alteryx supporting analytics.
RiverStone is a privately held run-off specialist founded in 1999 and headquartered in Manchester, New Hampshire, operating as part of Fairfax Financial Holdings. It serves insurers and reinsurers that want to offload or manage legacy portfolios, providing claims resolution, reinsurance recovery, dispute resolution and third-party claims administration. Its services also extend to captive insurance and legacy management. The company employs 201–500 people and operates through offices and affiliates across the US and UK.
RiverStone manages insurance and reinsurance run-off, handling legacy claims resolution, reinsurance recovery, dispute resolution, TPA services and captive insurance for carriers across the US and UK.
RiverStone runs on Microsoft Azure (App Service, Functions, Logic Apps, Azure SQL, Data Factory, DevOps) with C#, .NET Core, ASP.NET and Blazor, plus Angular, Vue, TypeScript, Docker and Alteryx.
Yes. Hiring is accelerating and centers on senior claims and legal roles in the United States, focused on complex high-exposure claims, litigation strategy and coverage disputes.
Other companies in the same industry, closest in size
RiverStone's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →
This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.
