Company Overview

Medical & Commercial International (MCI) specialises in underwriting international liability risks.  Its management and underwriting team have extensive experience of the international insurance market and have worked with companies ranging from start-ups to some of the largest corporate and public entities in the world.

MCI benefits from being a division of Castel Underwriting Agencies Ltd, a Managing General Agency (MGA) and also being part of Barbican, an established insurance group.  Its aim is simple – to create a market leading underwriting-led proposition with longevity and specialist knowledge at the centre of everything it does.

Why we’re different

  • MCI provides the flexibility and service of an MGA with the infrastructure and support of an established insurance group
  • Broad underwriting authority in the hands of front-line underwriters with the in-depth sector experience to make it count
  • Capacity providers with financial security and licensing to the highest standard
  • Longevity and depth of relationships with clients and brokers with the ability to back this up formally through long term agreements
  • We only partner with capacity providers and third party adjusters with established claims management track record


Broker Trading Notice

With effect from (and including) 30th October 2019, Medical & Commercial International Limited will underwrite risks on: FRN 831245

Risks incepting prior to 30th October 2019 will be written on the Castel Underwriting Agencies Limited license: FRN:582862

MCI continue to be a subsidiary of Castel with non-underwriting services provided by Castel to MCI under an internal services agreement.

If you have any questions about this change of trading license please contact the team.