London Market

Within the London Market, we underwrite more than 20 classes of business through our Lloyd’s Syndicates and in the company market through Arch Insurance (UK).


Our Lloyd’s and company market platforms enables us to provide customised solutions and high levels of capacity. Underwriting across multiple classes and offering both insurance and reinsurance solutions, our broker partners benefit from the depth and diversity of coverage we offer.

Looking Forward

We recognise the changing distribution landscape and are responsive and open to the opportunities and challenges that this creates. Moving forward, we will continue to expand our operations, grow our capabilities and boost our service offerings to you and your customers.

Our Brand Promise

At Arch Insurance, our approach to doing business is based on collaboration, responsiveness and commitment. We have a customer-focused mindset and a determination to find effective solutions.

Learn more about Our Promise

2023 London Market Risk Appetite Overview

A high-level overview of our 2023 risk appetite across all our London Market lines of business, underwritten in Lloyd’s, through Syndicates 2012 and 1955, and in the Company Market.

London Market 2023 Risk Appetite Overview

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Latest Insights

  • Building resilience in South Africa’s political violence insurance market 

    The riots in South Africa in July 2021 resulted in significant property damage that took a heavy toll on Sasria, the state-backed political violence insurer, and also spread into the international PV markets
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  • “Making the difference” – Hugh Sturgess The Insurer TV Interview

    Arch Insurance International CEO Hugh Sturgess talks to The Insurer TV for their prestigious ‘Leading Voices’ programme, where he discusses Arch’s ‘absolute and complete transformation’ across all metrics since 2019 and how the business is well positioned to continue its upwards trajectory following its recent ‘astonishing’ growth.
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  • Building a Closer Alignment between the Risk and Insurance Professions

    The latest episode of Arch’s ‘Pursuing Better Together’ podcast series features Julia Graham, CEO of the Association of Risk and Insurance Professionals (Airmic), whose career has spanned the worlds of risk management and insurance.
    Learn More