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Besso is a leader in the London Market for professional liability insurance for architects and engineers, design/build, and contractors.

For small to mid-sized architects and engineers we have designated and exclusive market programmes. In addition to our own exclusive and unique policy wordings, which offer broad coverage for architects and engineers, we also provide bespoke products to our broker partners and mid to large-sized individual clients.


We have built our reputation on placing standard classes as well as more complex and hard-to-place risks. Below are examples of the classes we can consider:

  • Oil and gas
  • Architects/interior designers
  • Structural engineers
  • Design/build
  • Construction managers (at-risk and agency)
  • Contractors
  • Offshore and marine
  • Mechanical/civil/electrical & process engineers
  • Aviation
  • Fire protection and sprinkler related
  • Military/defence


Divisional Specialists

Professional and Financial Risks