Keith Anthony Harrison

The Royal Collection Trust is a registered charity that aims to care for and conserve the royal collection, and promote access and enjoyment through exhibitions, publications, loans, and educational activities. The private company is based in London, UK, and has subsidiaries in the United Kingdom. The British company's publishing program includes beautifully produced printed books, apps, and online catalogues. The company also offers e-mail updates for the latest news, exclusive events, and 15% off in their online shop. The Royal Collection Trust has a picture library that can supply thousands of images across the entire range of the royal collection. The company also has a press office for media enquiries about the public opening of the royal palaces and residences and the works of art in the royal collection. The company was founded in 1987, and the CEO is Timothy Aidan John Knox.

Part of Yale University, Yale University Press London is a book publishing company. The company is based in London, UK. The British company was founded in 1961. The CEO is Heather McCallum.

Parham Park Ltd. is a British company that operates a historic Elizabethan House. The private company is based in Pulborough, UK and was founded in 1978.