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Search 0 vetted UK marketing agencies by service, industry, location, or holding group. Free for brands. Honest about who owns whom.
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By ownership.
The only directory that maps which agencies belong to WPP, Publicis, Omnicom, and other holding groups - and which stand alone.
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Disciplines grouped by buyer goal. From SEO and PPC to UX, branding, and programmatic media.
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Filter agencies who understand your sector. From AI to FMCG, healthcare to luxury.
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Local expertise where you need it, national reach where you want it. UK-wide.
A glimpse of what's in the index.
Agencies that have claimed and verified their listing. Refreshed weekly.

Based in the heart of London, Kitty is a leading web design and development agency specialising in crafting technology-driven solutions. Our unique approach prioritises both performance enhancement and growth acceleration, underlining user-centric experiences that are customised to meet brand and customer requirements.

Tann Westlake specialises in transforming ambitious visions into tangible results for its clientele. Our expertise spans the rejuvenation of brands, enhancing website traffic and lead generation, surpassing advertising objectives, and invigorating video content. Nestled in the heart of West Sussex, Tann Westlake partners with both national and local businesses, driving forward inventive designs an

Lead Gen Specialists, a premier telemarketing and lead generation agency, is strategically located in Witham, Essex and Southport, Merseyside. Their unique selling point lies in their unscripted telemarketing technique, which fosters authentic interactions with key decision-makers and yields top-tier sales appointments. This innovative agency offers an extensive range of services, including B2B telemarketing

Decima is the AI-native marketing agency eliminating wasted spend. We combine proprietary Causal ML with marketing expertise to give SMEs the ROI clarity, speed, and strategic guidance their old agencies couldn't. Our technology attributes spend to sales, builds ads and landing pages in minutes, and turns customer data into self-learning knowledge graphs that generate better ideas over time. Unlike other marketing agencies we ground every decision in a client's own performance history acting as a strategic partner. We are female owned, VC backed and have helped our customers increase their return on ad spend by 400%.

Situated in the heart of London, KOTA is a distinguished creative web design and branding agency. Our steadfast dedication to delivering visually impressive digital experiences sets us apart. We seamlessly integrate aesthetic appeal with a focus on return on investment, ensuring each project we undertake not only enthralls but also generates revenue. Specialising in strategic brand development and

Good n Proper is a digital marketing agency based in Leeds, specialising in paid social, PPC, content marketing, organic social media marketing, and tracking and attribution. We work with brands across all sectors, with particular experience in food, drink and hospitality marketing. Our approach is the tried and tested one - research, strategy, then channels. No buzzwords, no gurus, no flavour-of-
Advisory services for when the directory isn't enough.
RFP & Pitch Support
We help brands run better pitches. From writing the brief, to drawing up the shortlist, to evaluating responses against the criteria that actually predict success.
Agency Due Diligence
Independent vetting before you commit. Capability, financial stability, culture, performance. The questions you'd ask if you had time to ask them.
Field notes from across the UK landscape.

"Everything has changed and nothing has changed": Ben Foster, The SEO Works
The CEO of The SEO Works on taking charge of an agency he was once a client of, why it chose employee ownership over a sale, and how it gets itself cited in AI search.

"Get lazy and you'll be eaten by AI": Richard Michie, The Marketing Optimist
The founder of The Marketing Optimist on starting out after redundancy, why his clients stay for five years on average, and his pledge never to use AI as the final output.

"We'd accidentally started a social media agency": Phil Treagus-Evans, Giraffe Social
The co-founder of Giraffe Social on a failed social network, the mistake of treating other agencies as rivals, and enquiries that now arrive by way of ChatGPT.
Get listed in the index.
Free listings for every UK marketing agency. Claim your entry to unlock verified status, edit your profile, and respond to enquiries.
A monthly note on the UK agency landscape.
New entries to the index, notable holding-group moves, and our editor's pick of long-form.