We’ve rebranded! As of July 2022 GB Underwriting rebranded to MX Commercial.

Our leaders

Lee Anderson


Lee has built and transformed underwriting and broking businesses across multiple platforms. His passion is driving value through building platforms for growth.

James Gerry

Chairman, MX

James became an investor in and director of GB Underwriting and has served on the board of the MGAA and chaired the Association’s Legal, Regulatory & Compliance Committee for several years.

Ian Cook

Portfolio Management Director, MX

Ian Cook has worked in both broking and underwriting for more than 25 years. His passions are developing sales, distribution and market management strategies to achieve optimum growth and profit results. Ian joined SRG in July 2018.

Dean Bedford

Underwriting Director, MX Risk Solutions

Dean has over 16 years of industry experience, he leads our innovative underwriting activity across all products, with a particular focus on underwriting performance, growth opportunities and capacity relationships.

Dan Griffiths

Head of Underwriting, MX Commercial

Dan is Head of Underwriting for our MX Commercial team, he has 26 years' experience in the sector, and has been working with MX Commercial since 2017. He leads MX Commercial's specialist underwriting team that services the UK SME Property, Liability and Construction sectors.

Russell Brown

Director of Underwriting, MX Commercial

Russell founded GB Underwriting in 2003 and grew the business before uniting the company with MX to create our MX Commercial team. Russell manages the commercial underwriting strategy and oversees the broker relationships within this arm of the business.

Speak to us

Contact us

If you'd like to enquire about any of our underwriting services or have any other enquires, simply fill our the form and a member of our team will be in contact with your shortly. Alternatively, you can contact us with the information below.


T: +44 (0) 203 409 9510

E: enquiries@mxunderwriting.com