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Top Advertising Companies in the UK

188 of 497 advertising companies ranked on evidence in the Q4 2026 edition.

We list 23 advertising companies in the UK. The order comes from what each firm publishes and what has been verified about it, never from payment — at the top right now: Hydrant, CRISP and KAT Marketing.

Before you shortlist, check

  • Campaigns they ran for businesses your size, with results you can verify
  • How media is bought, and whether they take commission or rebates on it
  • Who owns the creative, and for how long you can use it
  • The reporting you will get, and from whose systems

TrustList ranking

Q4 2026 edition

188 of 497 advertising companies ranked on evidence held on 9 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

The SME ranking on this page lists 473 small and medium-sized agencies, and 101 of them earned a rank number. One business known to be large is left out, and the SME order does not reward age. See the SME ranking

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Only businesses that have told TrustList match a filter. Filters never change the order or a score.

  1. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
  2. Digital Media Team logo

    Consumer Products & Services · Retail · eCommerce

    Manchester digital agency running paid social, PPC, email marketing, Shopify builds and out-of-home campaigns for brands

    On record: Based in Manchester, UK

  3. Digital1 logo

    Manchester firm building AI agents and bespoke software that carry out operational work inside existing business systems

    On record: Based in Manchester

  4. Dino Media Ltd logo

    Advertising & Marketing · Information Technology · eCommerce

    Dino Media Ltd is a digital design and development agency in Bristol.

    On record: Based in Bristol, UK

  5. Dipsticks Research logo

    Consumer Products & Services · Arts, Entertainment & Music · Business Services

    Dipsticks Research is the brand and communications research division of a full-service research agency, running quantitative and qualitative projects in the UK and worldwide.

    On record: Based in UK

  6. Direct Approach logo

    Advertising & Marketing · Medical · Branding

    Direct Approach, also trading as Direct Approach Design, is a graphic and web design studio in Peterborough, Cambridgeshire.

    On record: Based in Peterborough, Cambridgeshire

  7. Direct Local Web Design Bristol logo

    Direct Local Web Design Bristol is listed here for Direct Local Bristol, an independent publisher of free community magazines and a local news website for Bristol and nearby areas.

    On record: Based in Bristol

  8. Dirty Little Serifs logo

    Creative · Advertising · Driving

    Dirty Little Serifs is a creative and strategy agency based in Cardiff and Newport, South Wales.

    On record: Based in Cardiff and Newport, Wales

  9. Distract logo

    Creative · Medical · Advertising · Also in Witham and Lincoln

    Distract is a digital marketing agency in Lincoln that plans and runs paid search, paid social and public relations campaigns.

    On record: Based in Lincoln, UK

  10. Diversity Creative logo

    Consumer Products & Services · Business Services · Financial Services

    Diversity Creative is a digital marketing agency based in Nottingham.

    On record: Based in Nottingham, England

  11. Division Design Ltd logo

    Business Services · Information Technology · Retail

    Division Design Ltd is a design studio in Northwich, Cheshire, working across websites, print and display material.

    On record: Based in Northwich, Cheshire

  12. DNA (Digital Native Advertising) logo

    Arts, Entertainment & Music · Advertising & Marketing · Business Services

    DNA (Digital Native Advertising) is a Bristol agency that helps organisations attract, keep and engage staff and customers.

    On record: Based in Bristol, UK

  13. DoLocal Ltd. logo

    DoLocal Ltd. is a digital marketing agency working from the Royal Albert Dock in Liverpool.

    On record: Based in Royal Albert Dock, Liverpool · Small agency

  14. Doodlo Design Studio logo

    Arts, Entertainment & Music · Advertising & Marketing · Business Services

    Doodlo Design Studio is a creative design agency working from India and the UK.

    On record: Based in India and the UK

  15. Double D Creative logo

    Double D Creative is a design studio in Altrincham, near Manchester, with a stated belief that good design is simple.

    On record: Based in Altrincham, England

  16. Doug Summers Graphics logo

    Also in Glasgow and London

    Doug Summers Graphics is the work of Doug Summers, a freelance graphic designer in Glasgow.

    On record: Based in Glasgow, Scotland

  17. Douglas. logo

    Information Technology · Financial Services · Retail

    Douglas. is a creative agency near London that runs its own studio and print facility.

    On record: Based in outside London, England

  18. Dream Random logo

    Consumer Products & Services · Arts, Entertainment & Music · Advertising & Marketing

    Dream Random is a creative agency that develops content strategies for brands seeking to stay current with cultural trends.

  19. Drimlike • Creative Digital Agency logo

    Creative

    Drimlike • Creative Digital Agency is a design and web marketing studio serving clients in Edinburgh, Glasgow and further afield.

    On record: Based in Edinburgh and Glasgow, Scotland

  20. Dusted logo

    Digital Marketing · Branding · Partners

    Dusted is a strategic branding and digital agency in the City of London. It works with technology and finance businesses that want to stand apart from competitors.

    On record: Based in City of London, United Kingdom

  21. E'media Brand Design Limited logo

    Consumer Products & Services · Arts, Entertainment & Music · Energy & Natural Resources

    E'media Brand Design Limited is a creative branding agency based in Bramley, near Rotherham in South Yorkshire.

    On record: Based in Bramley, Rotherham, South Yorkshire, UK

  22. East Village logo

    East Village is a UK agency that helps women founders and leaders become more visible.

    On record: Based in Birmingham, UK

  23. Ed HQ Limited logo

    Advertising & Marketing · Information Technology · Creative · Also in Holborn

    Ed HQ Limited is a design agency in Sheffield that specialises in creative services for schools throughout the UK.

    On record: Based in Sheffield, England

  24. effect digital logo

    UK digital agency combining first-party data, web development and performance marketing for travel, hospitality and cultural brands

    On record: Address in United Kingdom

  25. Egglab Media logo

    Arts, Entertainment & Music · Business Services · Creative · Also in London

    Egglab Media is a full-service design and creative agency in London. The business handles identity design, layouts and moving image work for a mix of commercial clients.

    On record: Based in London

For vendors

Want to see your company here?

The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

Not on TrustList yet? Add your company or claim its listing, free.

Get vetted

Free

  • We check your registration, your website and your clients
  • Approved listings show the Verified badge here and on their profile
  • It earns a rank number and counts towards the TrustList Score; renewed yearly

Sponsor this ranking

Paid · always labelled

  • A Sponsored card above the ranked list, up to three per ranking
  • Marked Sponsored, and it never changes the order
  • Booked by the month; cancel any time

How is this ranking worked out?

The order comes from what each firm publishes and what has been verified about it, and never from payment:

  • Profile completeness: the details a buyer needs to judge a firm — what it does, who it serves, how it prices, who it has worked for
  • Earned trust: verification, awards and the other checks a firm has actually passed
  • Client reviews, where they exist: the rating is smoothed, so one five-star review cannot outrank a firm with a hundred good ones, and volume counts with diminishing returns

Client reviews are still rare across this catalogue, so on most lists today the order is set by the first two. A firm near the top is the best-documented and best-verified one we hold, which is not the same claim as the best one to hire. Use the list to build a shortlist, then check the firms yourself.

Sponsored listings are labelled and shown apart from this list. How rankings work

Only firms whose profile names the UK are counted here, so a firm that lists a town but no country is not yet included.

Where else can I look?

The same list elsewhere: India (92) · Canada (41) · Australia (28).

Every category in the UK: the UK country page.

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