United Kingdom · Series C startup
4 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$14Mraised across 4 rounds since 2003, from 4 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Scottish Enterprise
Pentech Ventures
Herald Ventures
Toshiba America Electronic Components
Lanza Tech VenturesReported by embedded-computing.com
From a historical funding record
Reported by eetimes.eu
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Pentech VenturesHerald VenturesLanza Tech VenturesScottish EnterpriseToshiba America Electronic ComponentsMissing a round, or an investor who was in one? Tell us.
CriticalBlue's investors include Pentech Ventures, Herald Ventures, Lanza Tech Ventures, Scottish Enterprise and Toshiba America Electronic Components.
CriticalBlue has raised $14M across 4 rounds since 2003.
CriticalBlue's most recent round was a Series C of $4.0M in Sept 2008.
CriticalBlue's largest round on record is $4.1M (Venture), in Dec 2007.
CriticalBlue's first round on record, in Oct 2003, was backed by Pentech Ventures and Herald Ventures.
CriticalBlue's latest named round is a Series C, in Sept 2008.
CriticalBlue is based in the United Kingdom.
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United Kingdom ·