Tech Track 100

The Sunday Times Sage Tech Track 100 league table ranks Britain’s 100 private tech (TMT) companies with the fastest-growing sales over their latest three years. It is compiled by Fast Track and published in The Sunday Times each September, with an awards event in November, and alumni events during the year.

Tech Track 100 entry criteria

The closing date for nominations for the 2021 league table is 2 July 2021, with publication in September 2021.

Tech companies

  • Independent tech* company
  • UK registered, unquoted, and not subsidiaries
  • Sales of at least £250,000 in the base year (2017 or 2018)
  • Sales of at least £5m in the latest year (2020 or 2021)
  • Year-on-year sales growth in the latest year from 2019 to 2020, or 2020 to 2021
  • Trading weeks in the base and latest years have to exceed 25
  • Sales for online platforms (including energy, tickets, gaming, consumer goods and services) are net of the cost of goods and services sold, media agencies’ sales are net of advertising spend on behalf of clients, and we do not accept gross written premiums for insurance companies’ sales
  • Excluded companies include payday lenders, computer resellers and companies that are equal joint ventures, or majority-owned by quoted or other companies. IT consultancies and IT services companies are required to generate a significant proportion of their sales from proprietary technologies.
  • We reserve the right to change the qualification criteria set out above and to make exceptions. This is not a competition; the compiler’s decision is final and no correspondence will be entered into
  • Companies that do not meet the criteria can still be considered for the Ones to Watch programme. This is a selection of companies that have either achieved, or predict, good sales growth

* The definition of a technology company is based on the London Stock Exchange’s techMARK definition, i.e. “a company that shows a commitment to innovation, research and product development, and operates in sectors including software, internet, telecoms and biotech.”

Types of company


£5m - £50m


(£5m) - £10m

Average 3 year sales growth

40% - 300% pa


10 - 1,000

Alumni success stories

Featured in 2002 with sales of £23m; floated in 2015 and acquired in 2020 by Thoma Bravo for £3bn
Featured in 2006 with sales of £143m, floated in 2010, and completed a £6bn merger with in 2020
Featured in 2011 with sales of £18m, floated in 2014 and was bought by Silverlake in 2018 for £2.2bn