This firm’s technology makes typing easier. It learns how we communicate and uses this knowledge to speed up typing on our smartphones and tablets. SwiftKey’s app, which is available in more than 70 languages, has been a bestseller in 58 countries. Chief executive Jon Reynolds, 28, started the firm with university friend Ben Medlock, 35, in 2008 and the company doubled revenues last year to £9.9m. SwiftKey completed a £11.3m funding round last September, led by a new investor, Index Ventures.

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Company details
Year2014
Rank3
CompanySwiftKey
ActivitySmartphone keyboard developer
LocationCentral London
Average 3 year sales growth219.04%
Latest sales £000s9,884
Staff119
Founded2008
Websitewww.swiftkey.net

If applicable:

* supplied by company † annualised figure