Endsleigh travel insurance products are provided through Endsleigh Insurance Services Ltd. (Endsleigh), an insurance intermediary based in the United Kingdom that offers personal lines insurance products and general insurance broking services. Originally formed in 1965 by the (UK) National Union of Students, Endsleigh leads the market in the provision of insurance for students, graduates and young professionals. With nearly 1,000 employees in over 120 local branches, Endsleigh has grown to become one of the largest high street insurance retailers in the UK, expanding well beyond its roots as a student insurer.

The underwriter and major shareholder of Endsleigh is De Goudse N.V. (previously known as Goudse Verzekeringen B.V.), which has been rated "A" for financial strength by Standard & Poor's Insurance Ratings Services. Founded in 1924 as a healthcare insurance company in the Netherlands, De Goudse is a diversified and growing group of insurance companies now active in all classes of non-life, life, and health insurance, as well as reinsurance. De Goudse has a major presence in 8 European countries and provides insurance through representative offices or intermediaries in over 48 countries around the world.