
Dowell

UK digital agency building open-source websites, CMS and CRM systems for membership bodies and charities

Heavy Penguin is a UK digital agency that works mainly with membership organisations, charities and other not-for-profit bodies. Rather than offering every kind of marketing service, it concentrates on designing, building, launching and supporting websites, usually on open-source software such as Drupal.
The agency serves membership, charity and not-for-profit organisations. It is the digital partner of The Institute of the Motor Industry, for which it merged a sprawling set of websites into one Drupal 9 system, and it built a new integrated platform for the British Chiropractic Association.
Profile written by TrustList from the business's own published information, Sep 2026.
As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.
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