The Stationery Office (TSO) is a leading British publisher of professional, learning, compliance and regulatory content and a trusted partner of the UK Government. TSO is the official publisher and the distributor for legislation; London, Edinburgh and Belfast Gazettes - the UK government's three official journals of record; Medicines and Healthcare products Regulatory Agency; Driver and Vehicle Standards Agency; Home Office; Maritime and Coastguard Agency and the Health and Safety Executive. TSO provides services, consultancy, and infrastructure to publish content in formats needed by end users, this includes books, ebooks, PDFs, apps, learning solutions, websites and online subscriptions. TSO's multi-format publishing is driven by an in-house single-source publication solution which holds content as XML and allows for easy publishing into multiple formats. TSO sells 10 million products a year through its well-established and diverse sales channels, which includes a global network of over 300 specialist resellers in 130 countries including resellers specialising in pharmacy, health and safety and academia. Another of TSO's sales channels is TSOshop, TSO's online bookshop, which has over one million titles available to buy and over 100,000 new customers a year. TSO's history lies in the printed book but it is technology solutions that sets TSO apart from other publishers. These solutions include: * Chart-topping apps * Accessible websites with cloud hosting * Learning platforms * Assessment tools * Digitised publishing workflows * Data verification solutions * Open data solutions TSO also sells via iTunes or Google Play stores, through which TSO has sold over 1,000,000 Apps to date. TSO's apps include: * Official DVSA Theory Test Kit - Android and Apple * Official DVSA Hazard Perception - Android and Apple * Official HSE Health and Safety - Android and Apple * Official Life in the UK Test - Android and Apple * TrustMark: Home Improvements - Apple TSO has developed and hosts numerous websites on behalf of its clients. These websites have over 18 million visitors and over 230 million page views annually. These websites include: * https://www.legislation.gov.uk * https://www.thegazette.co.uk * https://www.safedrivingforlife.info * https://books.hse.gov.uk * https://www.officiallifeintheuk.co.uk/ * https://www.pharmacopoeia.com/ (en)