The John Hampden Society - A society devoted to Great Hampden's most famous citizen, with information on his impact on the locality and photographs of Hampden House. - http://www.johnhampden.org/
The Rising Sun - [Little Hampden] Country inn in the Chiltern Hills dating from 1750. History, menu, accommodation tariff, maps and photographs of premises and countryside provided. - http://www.rising-sun.demon.co.uk/
Haywards Ltd - [Little Hampden] Offers facilities management and corporate real estate services. Information on services, case studies and news. - http://www.haywardsltd.co.uk/
Hampden Group - Specialist reinsurance and Lloyds group of companies. Describes its group structure, activities and expertise. Also details wedding reception facilities at Hampden House. - http://www.hampden.co.uk/
Experience World Ltd. - Providers of gifts and driving, flying, extreme sports, or pampering experiences to public and corporate clients. - http://www.experience-world.co.uk/
Validium Group Ltd. - Describes its employee assistance programmes available to employers. Also provides news and resources sections. - http://www.validium.com