The 10 best digital marketing agencies in the UK (2026)

The best digital marketing agencies in the UK in 2026 include Found, ROAST, M3.agency and NinjaPromo. We reviewed each agency's own website and its public Clutch listing, then ranked ten on service depth, published evidence, AI-search (GEO and AEO) capability and transparency. Last checked 17 October 2026.

Comparison table

How we ranked them

We reviewed each agency's own website and its public Clutch listing on 17 October 2026. We scored five things:

1. Service depth: breadth and integration across SEO, paid, social, content and web.
2. Published evidence: named clients and results the agency publishes, which we attribute and never restate as fact.
3. AI search: whether it offers GEO, AEO or AI-visibility work.
4. Independent signals: Clutch rating, review count, awards and certifications as shown on the listing.
5. Transparency: clear scope, pricing signals and reachable contacts.

Ratings change often, and review counts differ between Clutch category pages. Treat this list as a starting shortlist, then verify current figures yourself. Spotted an error or want your agency reviewed? Tell us and we will correct it.

The agencies

1. Found

A full-stack search and performance agency for ecommerce, hospitality, travel, B2B, finance, SaaS, fintech and luxury brands. Its site lists ISO 27001, Google Premier Partner 2026 and a Standout PPC Agency award from the UK Digital Excellence Awards 2026, with a Toolstation case study showing a 40% year-on-year uplift.

• Based: London, UK (office in New York)
• Services: SEO, GEO, PPC, paid social, programmatic, digital PR, content, influencer, data and AI, analytics, CRO
• AI search (GEO/AEO): AI SEO and GEO listed
• Clutch: Not shown on the Clutch pages we reviewed

Evidence:

• ISO 27001; Google Premier Partner 2026 (per its site)
• UK Digital Excellence Awards 2026: Standout PPC Agency of the Year

Worth knowing: A broad performance remit; confirm the SEO team and reporting cadence. Visit Found →

2. ROAST

An independent agency founded in 2015 whose clients include Experian, Rightmove, Skyscanner and The Independent. Case results include PitchBook (+22% free-trial conversion) and WEX (+916% paid leads). It is a Certified B Corp and a Google Premier Partner 2026, and reports 93% client retention (self-reported).

• Based: London, UK (offices in Cape Town and New York)
• Services: SEO (technical and content), GEO, ASO, digital PR, paid media, influencer, data and measurement, web and CRO
• AI search (GEO/AEO): GEO listed
• Clutch: 4.9 from 17 reviews · minimum project $5,000+ · 50–249 employees

Evidence:

• Founded 2015; Certified B Corp (91.1 points); Google Premier Partner 2026 (per its site)
• Independent Agency of the Year, UK Agency Awards 2026 (per its site)

Worth knowing: Aimed at mid-market and enterprise budgets. Visit ROAST →

3. M3.agency

A multi-office creative and digital agency whose clients include Balfour Beatty, MG, Disney, Harley-Davidson, Aston Villa FC and the Co-op. It is a Certified B Corp, holds Cyber Essentials, and lists Clutch Top Digital Marketing Company 2025 and Google Premier Partner status.

• Based: Birmingham, UK (offices in London, Manchester, Telford, Cardiff and Dubai)
• Services: Creative, branding, SEO, GEO, PPC, content, social, email, digital PR, programmatic, web and app development, ecommerce, CRO
• AI search (GEO/AEO): GEO listed
• Clutch: 5.0 from 11 reviews · minimum project $1,000+ · 50–249 employees

Evidence:

• Certified B Corp; Cyber Essentials; Google Premier Partner (per its site)
• Clutch Top Digital Marketing Company 2025 and Top Ecommerce Marketing Agency 2025 (per its site)

Worth knowing: Case studies on its site show titles without metrics. Visit M3.agency →

4. NinjaPromo

A large agency (250–999 employees on Clutch) serving 250+ startups and global brands across 30+ industries, according to its site. Case results include Duck.Design ($488K monthly subscription revenue, 3.7x paid ROAS), CBRE (30K new potential investors) and Burger King (25% lower CAC).

• Based: London, UK (per Clutch)
• Services: Paid advertising, SEO including GEO, social, influencer, design, email, CRO, PR, AI marketing
• AI search (GEO/AEO): GEO listed as an SEO service
• Clutch: 4.9 from 97 reviews · minimum project $5,000+ · 250–999 employees

Evidence:

• Case results on its site: Duck.Design 3.7x paid ROAS; Burger King 25% CAC reduction

Worth knowing: Subscription-style packages; its homepage does not state a headquarters. Visit NinjaPromo →

5. CEEK

A London agency founded in 2016 whose clients include The Savoy London, Disney, Ennismore, Deliciously Ella and Lavazza. It lists official partnerships with Google, Meta, TikTok, Shopify, Pinterest and LinkedIn.

• Based: London, UK (Soho)
• Services: Strategy, social, SEO, paid media, influencer, email and CRM, content, digital PR
• AI search (GEO/AEO): An "AI Search Agency" page is listed; GEO/AEO not named
• Clutch: 5.0 from 7 reviews · minimum project $5,000+ · 10–49 employees

Evidence:

• Founded 2016; named clients include The Savoy London and Disney (per its site)

Worth knowing: Strong in lifestyle, hospitality and consumer brands. Visit CEEK →

6. Favoured

A performance marketing agency strongest in paid social and app marketing. Case results on its site include Durex UK (+25% ROAS on TikTok), Teapigs (+49% sales on Meta), Wollit (200K installs on £1.2M ad spend) and Snag Tights (4x ROAS).

• Based: London, UK
• Services: Paid social (Meta, TikTok, Pinterest, Snapchat), creative production, paid search, email and CRM, app marketing (ASO and user acquisition), influencer
• AI search (GEO/AEO): Not stated; SEO is not listed
• Clutch: 4.6 from 39 reviews · minimum project $1,000+ · 10–49 employees

Evidence:

• Case results on its site: Durex UK +25% ROAS; Teapigs +49% sales; Wollit 200K installs

Worth knowing: SEO is not listed, so pair it with an organic-search specialist if needed. Visit Favoured →

7. Exposure Ninja

An SEO and AI-search agency serving B2B, B2C, finance, healthcare, legal and manufacturing brands. Case results on its site include The Ordinary (395% ROI), Service Professionals (199% more organic traffic) and Value Capital Funding (640% more conversions). It is a Certified B Corporation.

• Based: London and Nottingham, UK
• Services: SEO, AI search optimisation (GEO), content and digital PR, paid media, CRM and email, website and CRO, branding
• AI search (GEO/AEO): AI search optimisation including GEO
• Clutch: Not shown on the Clutch pages we reviewed

Evidence:

• Case results on its site: The Ordinary 395% ROI; Service Professionals +199% organic traffic
• Certified B Corporation; lists SEO Agency of the Year 2026 awards

Worth knowing: Also offers branding and paid media, so scope the SEO team separately. Visit Exposure Ninja →

8. Bird Marketing

A multi-office agency pairing technical SEO with web development. Case studies include Supermicro (new organic users up from 749,720 to 1,901,214 between 2022 and 2024), Snappic (organic sessions up 45.5% year on year) and The Only Way Is Granite (organic traffic up 673%).

• Based: London, UK (offices in Billericay and Glasgow)
• Services: SEO (technical, local, mobile, ecommerce, international), PPC, social, web design and development, branding
• AI search (GEO/AEO): AI-search visibility assessment and a GEO service
• Clutch: 5.0 from 74 reviews · minimum project $5,000+ · 10–49 employees

Evidence:

• Supermicro: organic users 749,720 to 1,901,214 (2022 to 2024, per its site)
• Lists Clutch, GoodFirms, Manifest and DesignRush awards

Worth knowing: Strong public case-study depth in enterprise tech and SaaS. Visit Bird Marketing →

9. Odyssey New Media

A Birmingham agency delivering results since 2010, with listed outcomes including Mint Technology (+169% organic traffic), Wheres The Match (+533% organic conversions) and Appoly Group (+800% total conversions). It is a Google Partner and Reviews.co.uk Recommended.

• Based: Birmingham, UK
• Services: SEO, PPC, social, web design and development, mobile apps, ecommerce, branding
• AI search (GEO/AEO): "AI Optimisation (AIO)", Local AI Optimisation and AI Citation Building listed
• Clutch: 4.9 from 29 reviews · minimum project $5,000+ · 10–49 employees

Evidence:

• Results listed on its site: Mint Technology +169% organic traffic; Appoly Group +800% conversions
• Corporate LiveWire Birmingham Prestige Awards 2019: Digital Agency of the Year

Worth knowing: Offers mobile apps and web builds alongside SEO. Visit Odyssey New Media →

10. A‑Vintage Digital (our own agency)

Disclosure: this is our own agency. We placed it using the same criteria as the others, and we tell you plainly what is and is not proven.

A‑Vintage Digital is a Nigeria-based, fully remote agency. It is not located in the UK, and we list it here as an option for the UK businesses comfortable working with a remote specialist team, not as a local agency. Its strongest fit is SEO-led growth for businesses that also need a website or app built.

• Services: SEO, GEO and AEO; web design and development; Android and iOS app development; multilingual SEO; digital marketing; product building
• AI search: GEO and AEO are core services
• Founder: Akindayo Rufus Akintayo, SEO Specialist and Manager
• Third-party reviews: No third-party reviews yet. We list ourselves transparently and apply the same evidence standard as every other agency.

Published evidence:

• Kharis Publishing: +500% organic traffic growth and #1 rankings for core publishing keywords
• The Legacy Villa: page-one rankings for direct-booking keywords
• Venostis: one Italian site indexed and ranking in three languages
• Seven of our own products built, optimised and marketed in-house

Request a free audit SEO, GEO and AEO services → SEO in Nigeria →

How to choose a digital marketing agency in the UK

1. Match channel to goal: Pick the agency whose strongest channel matches your goal: SEO for compounding demand, paid for speed, social for brand reach.
2. Check integration: Ask how SEO, paid and content share data and budget decisions.
3. Ask for references: Request two named clients in your size and sector.
4. Understand pricing: Retainers, minimum project sizes and ad-spend fees vary a lot: compare like with like.
5. Check AI-search readiness: Ask how they approach GEO and AEO: see our GEO guide.

Frequently asked questions

What is the best digital marketing agency in the UK?

On our public-evidence review, Found ranks first, followed by ROAST and M3.agency. The best agency for you depends on your sector, budget and goals, so shortlist two or three and ask for sector references.

How much does a digital marketing agency in the UK cost?

Clutch listings for the agencies here show minimum project sizes from about $1,000 up to $25,000 or more, with $1,000 and $5,000 the most common. Monthly retainers vary by scope, so request a written proposal.

Do these agencies work on AI search (GEO and AEO)?

Many now list AI search, GEO or AEO services, but depth varies. The comparison above notes what each agency states publicly, and you should ask for examples.

Can I trust a list published by an agency that appears on it?

You should read it critically. We disclose our own entry, attribute every claim to its source, and ask readers to verify details. If you spot an error, tell us and we will fix it.

Does A‑Vintage Digital work with the UK businesses?

Yes, remotely. A‑Vintage Digital is Nigeria-based, and has delivered work for a US publisher (Kharis Publishing) and a multilingual Italian business (Venostis). Request a free audit to discuss your project.

More agency lists

• SEO agencies in UK
• Digital marketing agencies in Nigeria
• Digital marketing agencies in US
• Digital marketing agencies in Canada

Sources

Each agency's own website, plus Clutch directory pages for SEO and digital marketing companies, reviewed on 17 October 2026. Awards and results are reported as the agency presents them.