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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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Most directories give you a search bar. We give you four pathways - including the only one that tells you which holding group an agency really belongs to.
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.

In Digital, a London-based performance marketing agency, excels in intertwining data science with creative strategies. This unique approach allows us to seamlessly enhance our clients' teams as an in-house extension, promoting optimal growth. Offering bespoke access to our principal services such as digital planning, performance analytics, and e-commerce solutions, we consistently deliver impressi

Crimson Social is a property-focused marketing agency helping estate agents, developers and property businesses grow through social media, paid advertising and digital marketing.

Mark-Making is an independent strategic and creative agency specialising in financial services. We help forward-thinking FS brands, from lenders and building societies to fintechs, insurers and wealth managers, identify their advantage and bring it to life through brand strategy and positioning, visual and verbal identity, and campaigns and content. It matters because financial services has the power to change lives but too often communicates as if it doesn't. We exist to fix that, making financial services as human in its expression as it is in its impact, so our clients turn their advantage into attention and action in complex, regulated and competitive markets.

Designmc, a prestigious design agency nestled in the heart of England, specialises in crafting bespoke branding strategies, innovative digital solutions and effective marketing services. Our skilled team of professionals, with a comprehensive 360-degree approach, is dedicated to empowering businesses to realise their brand vision. Uniquely, Designmc champions a collaborative ethos, partnering inti

RankGuide has been shaped by people who actively build links, analyse SERPs, manage risk, and understand what Google rewards over time. We focus on authority, relevance, and intent. Not shortcuts. Our team combines technical SEO, content strategy, outreach expertise, and platform engineering to create a link building experience that feels modern, transparent, and genuinely useful. Fast where speed matters. Careful where quality is non negotiable.

Nine Stones provides a complete, hands-on marketing solution tailored for established B2B businesses, manufacturers, distributors, and professional services. Built to bridge the gap between expensive in-house hires and unpredictable agencies, Nine Stones pairs every client with a senior strategist and execution team to handle strategy, content, SEO, web site maintenance and paid channels under one fixed-fee subscription.
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.

Best SEO Agencies in London (2026): 15 Scored and Reviewed
We scored 15 of the best SEO agencies in London for 2026 against six criteria, then mapped them to what you actually need: ecommerce, B2B, technical, enterprise, local or AI search. An independent, transparent ranking.

Top 10 Businesses Headquartered in Reading
Discover the top 10 businesses headquartered in Reading, the Thames Valley town that hosts the UK arms of Microsoft, Oracle, Bayer, PepsiCo and more.

Top 10 Businesses Headquartered in Glasgow
Discover the top 10 businesses headquartered in Glasgow, from FTSE 250 Weir Group to The Macallan owner Edrington. Explore Scotland's largest business hub.
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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.