André Jan Ptaszynski

The Society of London Theatre owns and operates theatres. It works with champion theatre and performing arts. The firm offers researching and collecting data, strengthening and connecting the theatre community, advice on legal, general and employment relations matters, managing the process of collective bargaining with various entertainment unions, and commercial services. The company was founded by Charles Wyndham in 1908 and is headquartered in London, the United Kingdom.

Adelphi Theatre Co. Ltd. owns and operates theatres. It specialized in comedy and musical theatre. The company was founded in November 27, 1806 and is headquartered in London, the United Kingdom.

Mountview Academy of Theatre Arts Ltd. is a leading drama and performing arts school based in London, UK. Today, Mountview's mission is to deliver excellence and inclusion in dramatic training and to be a performance and creative learning centre of excellence and opportunity for all. The British company offers an intensive, practical course for prospective theatre directors and provides information about auditions and interviews on their website. The non-profit company was founded in 1945 by Peter Coxhead, a young amateur actor who saw a need for an egalitarian experience in dramatic training.

Theatre Development Trust, founded in 1985, provides services to producers, theatre owners, and managers.

Part of The Royal National Theatre, National Theatre Productions Ltd. is a British theatre company founded in 1984. The company is based in London, UK. National Theatre Productions creates theatre productions for everyone, which can be enjoyed in theatres, cinemas, and online. Additionally, the company offers drama education packs for teachers.

Really Useful Group Ltd. provides entertainment services. It offers video and concert productions, merchandising, magazine publishing, recording, and music publishing services. The company was founded by Andrew Lloyd Webber in 1977 and is headquartered in London, the United Kingdom.

LW Theatres Ltd. owns and manages theatres. It offers its theatres for conferences, seminars, annual general meetings, product launches, weddings, exhibitions, award ceremonies, meetings, filming, and photographic shoots. The company was founded in 1928 and is headquartered in London, the United Kingdom.