Independent agency directory · evidence graded

Best SEO Agencies in the UK (2026)

Compare UK agencies across technical SEO, digital PR, SaaS and enterprise search.

START HEREDescribe your market, company or SEO outcome

See how agencies are scored Check the evidence policy

REFINE RESULTS

EDITORIAL RANKING

28 agencies matched

Reviewed September 14, 2026

SearchPilotOfficial brand mark

SearchPilot

United Kingdom / United States

Evidence A

FOUNDER / OWNERWill Critchlow ↗ profile Founder and CEO

Best for: Large websites able to run controlled SEO experiments

SEO testingTechnical SEOExperimentation platform

Specialist depthlarge-site governance and cross-team delivery

Results evidenceDistinctive causal-testing product with public experiments and enterprise customer evidence.

Commercial modelCustom quote

Buyer cautionOnly a fit for sites with enough traffic and engineering support to run tests.

Editorial score92/100

PricingCustom quote

EvidenceGrade A

SkaleOfficial brand mark

Skale

London, United Kingdom

Evidence A

FOUNDER / OWNERItamar Blauer Co-founder

Best for: SaaS companies focused on qualified sign-ups and revenue

SaaS SEOContentLink buildingGEO

Specialist depthSaaS demand, product-led growth and qualified pipeline

Results evidenceSpecialist SaaS positioning is supported by named client case studies.

Commercial modelCustom quote

Buyer cautionNarrow SaaS focus is not a match for local or consumer-only campaigns.

Editorial score91/100

PricingCustom quote

EvidenceGrade A

RebootOfficial brand mark

Reboot

London, United Kingdom

Evidence A

FOUNDER / OWNERShai Aharony Founder

Best for: Brands prioritising evidence-led digital PR and search experimentation

Digital PRSEOContentExperiments

Specialist depthearned authority, links and editorial coverage

Results evidencePublishes original experiments, campaign coverage and named client results.

Commercial modelCustom quote

Buyer cautionCampaign-led work can produce uneven month-to-month coverage; agree success thresholds.

Editorial score91/100

PricingCustom quote

EvidenceGrade A

BuiltvisibleOfficial brand mark

Builtvisible

London, United Kingdom

Evidence A

FOUNDER / OWNERRichard Baxter ↗ profile Founder

Best for: Enterprise sites requiring technical depth and organic strategy

Technical SEOContent strategyDigital PRData

Specialist depthlarge-site governance and cross-team delivery

Results evidencePublic case studies and long-standing technical reputation support specialist fit.

Commercial modelCustom quote

Buyer cautionPremium, senior-led work may exceed the needs of a small local business.

Editorial score90/100

PricingCustom quote

EvidenceGrade A

SALT.agencyOfficial brand mark

SALT.agency

London, United Kingdom

Evidence A

FOUNDER / OWNERReza Moaiandin Founder

Best for: Technically complex, international and regulated websites

Technical SEOInternational SEOCloud consultingStrategy

Specialist depthtechnical diagnosis, migrations and implementation

Results evidenceNamed work and a clear technical-first service model are publicly documented.

Commercial modelCustom quote

Buyer cautionNot the obvious choice for high-volume content production or local lead generation.

Editorial score90/100

PricingCustom quote

EvidenceGrade A

Rise at SevenOfficial brand mark

Rise at Seven

United Kingdom / United States

Evidence A

FOUNDER / OWNERCarrie Rose ↗ profile Co-founderStephen Kenwright ↗ profile Co-founder

Best for: Consumer brands seeking creative campaigns with global reach

Digital PRSocial searchContentGEO

Specialist depthearned authority, links and editorial coverage

Results evidenceHigh-profile named campaigns and extensive earned-media examples are public.

Commercial modelCustom quote

Buyer cautionCreative reach should be evaluated against qualified traffic and commercial outcomes.

Editorial score90/100

PricingCustom quote

EvidenceGrade A

MADX DigitalOfficial brand mark

MADX Digital

London, United Kingdom

Evidence B

FOUNDER / OWNERPerry Steward Co-founderToni Koraza Co-founder

Best for: SaaS brands expanding content and authority across markets

SaaS SEOContentLink buildingInternational SEO

Specialist depthSaaS demand, product-led growth and qualified pipeline

Results evidenceOfficial site shows a clear SaaS focus and named client work.

Commercial modelCustom quote

Buyer cautionVerify the balance of strategy, production and link acquisition in scope.

Editorial score89/100

PricingCustom quote

EvidenceGrade B

Blue ArrayOfficial brand mark

Blue Array

United Kingdom

Evidence A

FOUNDER / OWNERSimon Schnieders Founder

Best for: UK brands wanting an SEO-specialist agency and training capability

SEO consultingTechnical SEOContentTraining

Specialist depthlarge-site governance and cross-team delivery

Results evidenceSpecialist SEO model, named clients and recognised training activity are public.

Commercial modelCustom quote

Buyer cautionConfirm the balance of consulting and hands-on implementation in the proposal.

Editorial score89/100

PricingCustom quote

EvidenceGrade A

DigitaloftOfficial brand mark

Digitaloft

United Kingdom

Evidence A

FOUNDER / OWNERJames Brockbank ↗ profile Founder and Managing Director

Best for: UK brands wanting digital PR tied closely to SEO strategy

Digital PRSEOContentLink acquisition

Specialist depthearned authority, links and editorial coverage

Results evidencePublishes named campaign results and a clear integrated organic-search approach.

Commercial modelCustom quote

Buyer cautionAsk how campaign concepts map to the pages and categories that need authority.

Editorial score89/100

PricingCustom quote

EvidenceGrade A

#10

MerkleOfficial brand mark

Merkle

International

Evidence A

FOUNDER / OWNERDavid Williams Founder

Best for: Global enterprises integrating SEO with customer experience and media

Enterprise SEOExperienceAnalyticsCommerce

Specialist depthlarge-site governance and cross-team delivery

Results evidenceGlobal footprint and major client relationships provide strong scale evidence.

Commercial modelCustom quote

Buyer cautionProcurement and team complexity can make small engagements inefficient.

Editorial score89/100

PricingCustom quote

EvidenceGrade A

#11

ImpressionOfficial brand mark

Impression

United Kingdom / United States

Evidence A

FOUNDER / OWNERAaron Dicks Co-founderTom Craig Co-founder

Best for: Ambitious brands wanting SEO, digital PR and performance media

SEODigital PRPaid mediaGEO

Specialist depthlarge-site governance and cross-team delivery

Results evidenceNamed client case studies, awards and current service detail support evidence depth.

Commercial modelCustom quote

Buyer cautionMulti-service scope needs firm channel-level objectives and attribution.

Editorial score89/100

PricingCustom quote

EvidenceGrade A

#12

Breaking B2BOfficial brand mark

Breaking B2B

United Kingdom · International

Evidence A

FOUNDER / OWNERSam Dunning ↗ profile Founder

Best for: B2B SaaS teams that want senior-led SEO and AEO measured against pipeline

B2B SaaS SEOAEO and GEOTechnical SEOConversion and site structure

Specialist depthSaaS demand, product-led growth and qualified pipeline

Results evidenceIts September 2026 site publishes named results including +77% non-branded traffic, 10x organic traffic and 2x organic leads, plus a senior-led delivery promise.

Commercial modelFrom $4,000/month · average $7,000+/month

Buyer cautionThe results are agency-published case evidence. Buyers should verify baselines, timeframes and Sam Dunning's direct involvement for a comparable engagement.

Editorial score89/100

PricingFrom $4,000/month · average $7,000+/month

EvidenceGrade A

How the ranking works

Fit first. Claims second.

Agencies are scored across senior involvement, specialist depth, comparable results, delivery process, independent review evidence, commercial transparency, geographic coverage and contract risk. The score is editorial—not a customer-review average.