We are specialist underwriters who are solution-led and prepared to lead tough and complex placements.

What Sets Us Apart

  • Our responsive service and quick decision-making.
  • Our open-minded approach with a broad risk appetite combined with strong technical expertise.
  • Our commitment to building long-term relationships.

Range of Coverage

As a recognised lead market, we provide primary, umbrella and/or excess liability cover across a broad range of areas, including:

  • General Liability — Public Liability, Products Liability, and Sudden & Accidental Pollution Liability and Employers Liability for multiple trades worldwide.
  • Energy Liability — Onshore and offshore construction and operational policies for Power Generation, Renewable Energy, Utilities, and Upstream, Midstream and Downstream Oil & Gas activities.
  • Environmental Impairment Liability — Contractors Pollution Liability and Site Pollution Liability.
  • Product Recall Liability — Product Recall, Product Guarantee, Financial Loss in conjunction with Products Liability.

Primary Clients, Sectors and Regions

Worldwide coverage across multiple different sectors, with solutions developed for SME businesses through to multi-national clients with a global risk profile.

Maximum Line Sizes

  • General Liability — US$40m
  • Energy Liability — Onshore US$40m, Offshore US$30m
  • Environmental Impairment Liability — US$10m
  • Product Recall — US$15m

Casualty Factsheet 2023

Download PDF

Find Us at Lloyd’s

Box 151

Our Risk Appetite

James Mecham, Head of Casualty at Arch Insurance International shares the main territories in which we underwrite business, our main areas of focus, plus our approach to doing business with our broker partners. 

James Mecham

Vice President, Head of Casualty

Direct: +44 (0) 20 7621 4515

Mobile: +44 (0) 7584 615345

[email protected]

Robin Hamilton

Head of Energy Liability

Direct: +44 (0) 20 7621 4708

Mobile: +44 (0) 7919 396359

[email protected]

Marie-Claire Bessada

Portfolio Manager – General Liability

Direct: +44 (0) 20 7621 4530

Mobile: +44 (0) 7385 025335

[email protected]

James Cassidy

Portfolio Manager – General Liability

Direct: +44 (0) 20 7621 4738

Mobile: +44 (0) 7584 773357

[email protected]

Rory Thompson

Portfolio Manager – General Liability

Direct: +44 (0) 20 7621 4663

Mobile: +44 (0) 7990 006849

[email protected]

Lauren Percival

Senior Underwriter, Casualty

Direct: +44 (0) 20 3048 3655

Mobile: +44 (0) 7824 417086

[email protected]

Andrew Woolston

Underwriter, Casualty

Mobile: +44 (0) 7765 672838

[email protected]


Adam Murray

Claims Manager – First Party

Mobile: +44 (0) 7884 865 978

[email protected]


Sian Martin

Claims Manager – Casualty and Healthcare

Mobile: +44 (0) 7415 420 037

[email protected]


Chelsea Houlder

Senior Claims Adjuster – Casualty

Direct: +44 (0) 20 8124 6450

Mobile: +44 (0) 7826 660 146

[email protected]


Emma Fox

Claims Adjuster – Energy

Direct: +44 (0) 20 8126 5658

Mobile: +44 (0) 7823 444 932

[email protected]

Latest Insights

  • Building Trust in the London Market: In Conversation with Marie-Claire Bessada

    Bessada, Senior Casualty Underwriter, talks about where she sees opportunities for growth in the casualty sector.
    Learn More
  • An Energised Marketplace: In Conversation with Robin Hamilton

    Robin Hamilton, Senior Casualty Underwriter, discusses Arch’s approach to the energy market, where opportunities for growth exist, and what he sees as critical to the broker relationship, as well as finding out what sparked his insurance career and brought him to Arch.
    Learn More
  • 2022 London Market Overview

    The last few years have been transformational for us, and we would like to thank all our London Market brokers for the support. 
    Learn More

Our Brand Promise

Pursuing Better Together encapsulates how we do business at Arch Insurance. It is an approach that is based on collaboration, responsiveness and a genuine commitment to continually raising the bar.

It is our promise to our brokers, colleagues and other partners to:

  • Listen, share insights and work together to deliver informed solutions.
  • Build trusting, respectful and responsive relationships.
  • Understand your goals and explore possibilities together.