Chief executive Dafydd Stuttard, 44, started developing his security testing software while working as a professional hacker for web security firms, testing banks’ IT systems for weak spots. In 2008 he took the plunge and started working full-time on his business, which he named after his old hacker handle, PortSwigger. Organisations in 120 countries, ranging from small businesses to the likes of Microsoft, Google, eBay, Twitter and Samsung, now use the company’s Burp Suite range of testing tools, which it claims are up to 90% cheaper than the equivalent products from larger firms such as IBM. Word of mouth helped boost sales to £5.7m last year and the company is forecasting revenues of £8.5m this year.

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Company details
Year2017
CompanyPortSwigger Web Security
ActivityCyber-security developer
LocationCheshire
Latest sales £000s5,698
Forecast sales £000s8,500
Staff25
Founded2008
Websitewww.portswigger.net

If applicable:

* Sales and forecast sales provided by the companies