[3] TSO provides services, consultancy, and infrastructure to deliver all aspects of the information lifecycle.

TSO developed the website legislation.gov.uk with The National Archives, providing full access to the statute book as open data.

[6] In 1999, Electra Fleming sold TSO to its existing management team and Apax, a private equity firm,[1] for £82 million.

[5] Rupert Pennant-Rea remained as chairman, and Fred Perkins stayed as chief executive.

[8] In 2014, TSO also began working with the local government sector, beginning with the redevelopment of the Croydon Council internal and external websites.