Judith Lewis

Last reviewed and updated on November 5, 2025 by Bart Platteeuw

Judith Lewis is the founder of Decabbit Consultancy, a London-based digital marketing agency specializing in integrated SEO, PPC, and social media strategies.

With more than 25 years of experience – beginning before Google even existed – she is one of the UK’s most respected voices in search marketing. Her consultancy delivers tailored, research-driven strategies that help organizations of all sizes align their digital channels with wider business goals.

Judith has worked with major global brands including Google, Amadeus, Virgin, NBC Universal, Bayer, and the National Gallery. Her expertise spans SEO, content strategy, link building, paid media, and digital transformation, and she is known for combining a strategic understanding of digital ecosystems with hands-on technical execution. Her honors degree in psychology and background in programming give her a rare ability to merge analytical insight with behavioral understanding in her consulting work.

Watch Judith speak at Search ‘n Stuff Conference in 2024:

A sought-after international speaker and trainer, Judith has presented at major industry events across Europe, North America, and the Middle East. She also serves as a long-standing judge for the UK, EU, MENA, US, Nordic, and Australian Search Awards, contributing to the industry’s standards of excellence.

Judith is a prolific writer and educator, having authored chapters in Econsultancy’s Best Practice Guides and contributed to The Huffington Post and other marketing publications. Beyond digital marketing, she is well known for her parallel passion for fine chocolate and wine – interests that she blogs about with the same enthusiasm and expertise she brings to SEO.

Judith Lewis's Past Talks & Upcoming SEO Conferences

Explore the events they’ve been a part of and those they’ll be joining next.