About Us


Oak Underwriting plc has grown from small beginnings to become one of the leading high net worth insurers. Based in the Cotswolds, Oak is solely dedicated to the high net worth insurance market and we believe that by specialising in just one discipline, we can provide an individually tailored approach for each client.

Our philosophy begins with the premise that protection has to be in place for almost every eventuality therefore our High Value Home Insurance and Family Motor Fleet Insurance is written with each individual client’s needs in mind.

Oak Underwriting plc is owned by the RSA Group. With a 300-year heritage, RSA is a FTSE 100 company and one of the world's leading multinational quoted insurance groups. It has the capability to write business in over 140 countries and major operations in the UK, Scandinavia, Canada, Ireland, Asia and the Middle East, Latin America and Central and Eastern Europe. 

Within the UK, RSA is the second largest commercial lines insurer, covering the insurance and risk management needs of a significant number of FTSE 100 companies. It has a full multi-distribution capability, writing business through brokers and corporate partners, direct and online. RSA is also one of the UK's top four personal motor and household insurers.

RSA was the first UK carbon neutral insurer. The company has cut its carbon footprint by half since 2000 and has offset the remainder by purchasing voluntary carbon reductions.

To find out more about RSA please visit www.rsagroup.com/rsagroup/en/home