Neil Lyndon Marc Blair

Pottermore Ltd. is a British company founded in 2009 that provides quizzes to test wizarding knowledge. The private company is based in London, UK. The company is building the official hub for fans of Harry Potter and Fantastic Beasts.

JW3 Trust Ltd. is a private company based in London, UK. and has subsidiaries in United Kingdom. The British company is involved in organizing events and talks, including book signings. One of the events they organized was a talk by Daniel Finkelstein, who discussed his family's experience during the 20th century genocides and promoted his new book 'Hitler, Stalin, Mum and Dad'. The company was founded in 2006. The CEO is Raymond Simonson.

Part of HPCC Group Ltd., HP West End Ltd. is a British company that engages in artistic creation. The company is based in London, UK and was founded in 2015.

Bronte Film & Television Ltd. is a British production company that specializes in film and television. The private company is based in London, UK. and has subsidiaries in United Kingdom. Bronte Film & Television was founded in 2012. The CEO is Ruth Kenley Letts.

HPCC Group Ltd. provides artistic creation services. The private company is based in London, UK. and has subsidiaries in United Kingdom. HPCC Group was founded in 2018.

Wizarding World Digital Ltd. is a British company that represents the vast interconnected universe of the Harry Potter franchise. The private company is based in London, UK and is owned by Warner Bros. Discovery. The Wizarding World continues to evolve to provide Harry Potter fans with fresh and exciting ways to engage, including a forthcoming Harry Potter TV series. The company was founded in 2018 and includes eight blockbuster Harry Potter films, three Fantastic Beasts films, a multi-award-winning stage-play, state-of-the-art video and mobile games, innovative consumer products, thrilling live entertainment, and insightful exhibitions.

Part of Bronte Film & Television Ltd., Harry Potter Theatrical Productions Ltd. engages in theatrical production. The company is based in London, UK. The British company was founded in 2013 by Joanne Kathleen Rowling, Neil Lyndon Marc Blair.

Lumos Foundation works to support the human rights of children. The firm's solutions include changing systems, developing services, making a case for change, working with children and young people and sustainable change. The company was founded by Joanne Kathleen Rowling in 2004 and is headquartered in London, the United Kingdom.