Digital Marketing Company

3B Digital Ltd.

London digital agency building open source websites, with search and social marketing for varied clients

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TrustList summary

3B Digital Ltd. is a London digital agency that designs and builds websites and runs search and social marketing. It says 2026 is its 28th year as a full-service agency, with clients worldwide since 1998.

What 3B Digital Ltd. offers

Open source web development: custom work on Joomla, WordPress and Drupal.
Website design: design with search visibility in mind.
Search engine optimisation: organic search work built into each project.
Search and social marketing: online advertising and social media strategy.
Support: maintenance and security packages, with a help-desk that tracks requests.

Who it works with

Companies, associations, charities and start-ups, with particular strength in finance and publishing. Past work includes RSM International and Southwark Council.

Key facts

Based in: London
Established: 1998
Related project: Silicon Junction, a network of new media agencies in the Clapham Junction area

Summary written by TrustList from the business's own published information, Oct 2026.

Categories & features

3B Digital Ltd. rankings

3B Digital Ltd. is ranked on 5 TrustList rankings: #2 on 1, #11 on 1, #14 on 2 and #18 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. 3B Digital Ltd. has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Digital marketing company · 5 rankings

#2of 87
London
It is one of 7 here listing e-commerce development and social media marketing.
Its profile: “is a London digital agency that designs and builds websites and runs search and social marketing.”
Of the top 80 here, 31 also cover SEO and 22 also cover eCommerce; 8 also work in Liverpool and 8 also work in Leeds.
Behind Critical Research, ahead of DBD Media.
#11of 153
Web development
It is one of 17 here listing PPC and one of 26 here listing search engine optimization.
Its profile: “- Open source web development: custom work on Joomla, WordPress and Drupal.”
Of the top 87 here, 58 also cover web design and 38 also cover digital marketing; 2 also work in Wales and 2 also work in Washington.
Behind Imarc, ahead of Brandingnuts.
#14of 284
United kingdom
It is one of 21 here listing digital marketing and one of 29 here listing SEO.
Of the top 87 here, 41 also cover web development and 31 also cover UI/UX design; 6 also work in London and 4 also work in Manchester.
Behind Edinburgh Websites.
#14of 154
Social media marketing
It is one of 22 here listing UI/UX design and one of 37 here listing web development.
Of the top 76 here, 27 also cover search engine optimization; 2 also work in Toronto and 2 also work in Michigan.
Behind DM GROUP S.r.l..
#18of 408
Web design
It is one of 12 here listing PPC and one of 22 here listing social media marketing.
Of the top 80 here, 2 also work in Vancouver and 2 also work in Richmond.
Behind Imarc.