Thames is an Underwriting Agency committed to trading solely with Brokers, and we have a refreshing approach to liability, commercial and property insurance, with a particular focus on construction and allied trades.

With our 'Let's talk' philosophy, our vision is to build a strong and trusted relationship with our broker partners, allowing our in house decision making underwriters to work closely with you to win and retain business.

We also operate in the Leisure Sector using Quote and Buy technology that delivers point of sale documentation extending our appeal to a broad range of brokers.

Our highly experienced team will provide you with a dependable source of underwriting services and insurance solutions, with access to special schemes, facilities and bespoke products.

Our products are backed by A rated (A.M. Best) security.

Let's Talk
Quote Engine

Contractors Liability

Excess Liability

General Liability

Contractors All Risks

Commercial Combined

Commercial Property Owners

Unoccupied Property Owners

Group Personal Accident

Professional Indemnity - Design & Construct

Professional Indemnity - Miscellaneous

Touring Caravan

Caravan and Park Home Site Insurance

Event Insurance

Corporate Construction

Shopfitters & Interior Specialists Scheme

Bowls Clubs and Greens Insurance


  • Liability, CAR, Combined & P.I.
  • No height limit
  • No depth limit
  • Increased limits for Financial Loss, Defective Workmanship & Professional Indemnity
  • Cover for work outside the UK
  • No claims discount
  • Discounts for firms that demonstrate a high commitment to health and safety and risk management
  • Excesses from £500 tppd
  • Long term agreements considered
How to obtain a quotation
Please email your presentation to enquiries@thamesunderwriting.com.