Hertford Milner King

International Group Ltd. is a fourth-generation, private family business founded in the UK in 1964. The private company's head office is located in Oak House, 58-60 Oak End Way, Gerrards Cross, SL9 8BR, United Kingdom. The British company has subsidiaries in the United Kingdom and has built an impressive international reputation, working in over 55 countries and delivering high-quality service to its clients. The group has completed over 485 projects with a total value of £3,250,000,000, working with the United Nations, the World Bank, 24 national governments, and private clients. The company owns and operates businesses in healthcare advisory, development, construction, and management services, real estate ownership and development, esports investment, event and team creation, advisory and management services, and 5-star hotels and member club sales, marketing, and management services.

Part of International Group Ltd., Stoke Park Estates is a British company that provides property investment services. The company is based in Slough, UK and was founded in 1964.

International Hospitals Group Ltd. was founded in 1978 and constructs healthcare buildings. The private company is based in Denham, UK.