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 New London Office

4th Floor, 10 Fenchurch Avenue, London, EC3M 5BN

The past few years have been transformational for Arch in the London Market. We’re delighted to be marking the next milestone in our journey as we move into a new, larger, state of the art premises, located just 160 metres from Lloyd’s.

We look forward to welcoming our brokers and partners to our new home.


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

2024 London Market Risk Appetite Overview

A high-level overview of our 2024 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 2024 Risk Appetite Overview

Download PDF


Latest Insights

  • New London Address

    Please note: Arch Insurance has moved to a new London office at 4th Floor, 10 Fenchurch Avenue, London, EC3M 5BN
    Learn More
  • The Evolving Energy Industry: In Conversation with Rodney Garrard, Geo Energy Adviser

    In conversation with Rodney Garrard, Geo Energy Adviser, we speak about his in-depth experience as a geologist, his move to the insurance sector and how he will be supporting Arch to assess risk and support brokers and their clients around the renewable energy space.
    Learn More
  • Intellectual Property Insurance — “The Future Looks Bright”

    In a recent interview with Managing IP magazine, Ian Lewis, Head of Intangible Assets, talked about the potential that exists within the rapidly expanding sector, the rationale for Arch launching into the market at this time, and his views on how the IP landscape will evolve.
    Learn More

Awards & Recognitions

Arch Insurance International are delighted to have been recognised not only by the industry, but by our broker partners for a range of awards and accolades. We remain committed to delivering the service that our brokers have come to expect and deserve, as well as providing the support and investment in the exceptional talent that resides within our organisation.