International Track 200

Based in London, Thunderhead.com sells software that enables companies to oversee communications with their customers. The likes of Bank of America and Barclays can use a single program to manage communications delivered by post, email, social media or text message. The company has recently expanded its US sales team, which has boosted revenue, and landed a big contract with the federal government. Under co-founder and chief executive Glen Manchester, international sales have grown 68% a year from £9.1m in 2009 to £25.7m in 2011.

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Company details
Year2012
Rank48
CompanyThunderhead.com
ActivityCommunications software developer
LocationNortheast London
2-yr av intl sales growth pa67.73%
International sales £000s*25,727
Total sales £000s*35,733
Staff188
Founded2001
Websitewww.thunderhead.com

If applicable:

* Supplied by company † Annualised figure