About us

Tamesis – a unique wholesale treaty reinsurance MGA

Established in London in October 2011, Tamesis commenced underwriting in 2012.  As well as having access to London wholesaled, reinsurance business, we have an underwriting office in Miami, underwriting business emanating from North, South and Central America and the Caribbean.

In addition, EEA business is written through our office in Cologne, Germany.

Today, with capacity provided by Allianz (AGCS SE and AGR US) and Tokio Marine Kiln Syndicates, we write in excess of US$ 250m of gross premium. 

Through exceptional short and long-term underwriting results, excellent risk management, transparency, integrity and consistency, we have built, and continue to build long standing, valued relationships with all our business partners. 

For brokers and clients...

We aim to provide a consistent, creative and expedient service across multiple classes, as well as excellent security.

For capacity providers...

We enable participation in the specialty treaty reinsurance market through a platform with established distribution, underwriting and portfolio management.   

For our colleagues...

We offer a challenging, rewarding environment as part of a small, ambitious team.