Commercial Insurance

Commercial Insurance

GSI Commercial Services are Independent Commercial Insurance Brokers in Kent offering a truly personal service to our commercial clients in the South East and beyond. We arrange Commercial Insurances and provide risk management advice for a wide range of clients from large companies to individual tradesman.

We pride ourselves in building long term business relationships with our clients and understand that behind every business there are real people who want to speak to someone who knows them by name and understands their business. Our origins go back to 1978 when we were originally established and have been trading in our current style since 1995.

As Independent Insurance Brokers we are not tied to any one provider, and have access to a wide range of leading UK Insurers and Lloyd’s Underwriters.

Our highly experienced staff will find the right insurance solution to suit your needs - combining comprehensive cover with a realistic price.

Professional Insurance Brokers with a personal approach - call us now on 01634 727766 for a friendly and informal chat.

Interested in Commercial Insurance?

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GSI Commercial Services

GSI Commercial Services llp
63, Riverside 3, Sir Thomas Longley Road, Medway City Estate, Strood, Rochester, Kent ME2 4BH
Tel: 01634 727766
Fax: 01634 726647


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Treating Customers Fairly


Geoffrey Simmons

Partner & founder of The GSI Group. His background prior to Broking was that of Area Manager for Pearl Assurance. With a deep-rooted desire to be able to give Independent Advice he founded the Business in 1978 as a composite Brokerage. Over the years the Business has split into 4 separate entities each specialising in their own areas of expertise.

David Bramley-Harker

David joined the GSI Group in 1992 as a Commercial Account Executive having served 5 years as an underwriter with Royal Insurance. He became a Partner in GSI Commercial Services in 1995 and has seen the business expand three-fold but still has ambitious plans for the future. David’s main areas of expertise include Motor Fleets, Hauliers, Liability, Motor Trade and Property insurance. David is a Chartered Insurance Broker, professionally qualified to ACII status.

Terry Charlesworth

Terry joined the GSI Group in 1993 as a Commercial Account Executive and, together with David, became a Partner in GSI Commercial Services in 1995. Prior to that, Terry spent 10 years with a number of national Brokerages. Terry’s main areas of expertise include Contractors, Manufacturers, Distribution and Motor Fleet.

Senior Management

Mike Sands

Mike joined the Group in 2007 having spent 30 years in the industry, specialising in manufacturing and distribution risks. Mike's experience has been gained through both National and Provincial brokers, with a background in servicing clients from larger corporate business to smaller local firms. He takes pride in offering a personal service, attention to detail and comprehensive solutions to all of his clients.


Peter Lewis

Peter joined GSI Commercial Services in 2002 as a Commercial Account Executive, having previously worked for national Brokerages. He specialises in all aspects of insurance for small businesses and tradesmen.

Maria Hatfield

Office Manager at GSI Commercial Services, Maria has worked for the GSI Group since leaving school. Her main responsibility is to ensure the smooth running of the Medway Office. Maria has more than 20 years experience in Motor, Household and Liability insurance.

Polly Lewis

Polly joined the GSI Group in 2010 and specialises in all aspects of commercial insurance, particularly small business insurance, motor fleet and liability risks.