By using this site, you agree to cookies being used for analytical purposes. Learn more okay Insurance brokerage company Contact - Legal notice The Gritchen Assurances group in figures Advice, brokerage & insurance solutions. The Gritchen Assurances Group supports you and represents you as an agent and defender of your interests in the insurance market. Whatever your sector of activity, our business experts can provide you with perfectly adapted solutions: after a complete audit of your needs carried out by a professional in your sector, Gritchen leads the negotiations with insurance companies for you. Whatever your requirements, benefit from dedicated, reliable and efficient expertise to protect your business, your assets, and the men and women who work every day to make your projects grow.