The 138 Best SEO Agencies in the UK (2026)

The highest-rated UK SEO agencies, from London boutiques to full-service northern powerhouses.

138 verified agencies·Updated 2026·2 featured picks

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Featured Agencies

· Hand-picked by our editors

FEATURED

8.9

5 reviews

Gripped

Build Pipeline, Drive Growth, Scale Confidently

Bird Marketing

Digital Mastery, Delivered by Bird 🏆

Search Engine Optimization

LondonFrom $5K

138 agencies found

Atomic Digital Marketing / Atomic Digital Labs

MULTI AWARD WINNING WEB DESIGN, SEO & PPC AGENCY

Warrington, United KingdomFrom $5K10–49 staffSearch Engine Optimization

Blue Array SEO

Award-winning SEO & Digital PR Agency ⭐️⭐️⭐️⭐️⭐

Reading, United KingdomFrom $1K10–49 staffSearch Engine Optimization

NXTWEB Agency

More Leads, Sales and More Customers ⭐⭐⭐⭐⭐

Chester, United KingdomFrom $1K2–9 staffSearch Engine Optimization

SQ Digital

A digital marketing agency for growing businesses

Lancaster, United KingdomFrom $1K10–49 staffSearch Engine Optimization

Burst Digital

More leads. Higher conversions. Faster growth.

London, United KingdomFrom $5K10–49 staffWeb Design

Ignite SEO London

It's time to ignite your SEO marketing.

London, United KingdomFrom $1K10–49 staffSearch Engine Optimization

Growth Division

We find scalable channels to market for startups

London, United KingdomFrom $10K2–9 staff

Herdl

Engaging audiences. Accelerating brands.

Nottingham, United KingdomFrom $1K10–49 staffSearch Engine Optimization

PNdigital Ltd

Life's Good On Top

London, United KingdomFrom $5K10–49 staffSearch Engine Optimization

#10

believe.digital

A digital marketing agency based in Bristol

Bristol, United KingdomFrom $1K10–49 staffSearch Engine Optimization

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#11

Arken Digital

Grow Your Business by Getting Found Online

Bristol, United KingdomFrom $1K2–9 staffSearch Engine Optimization

#12

Re:signal

The world's most award winning SEO agency

London, United KingdomFrom $5K10–49 staffSearch Engine Optimization

#13

RiseUp® Agency

Premier Google Partner | PPC & SEO Agency

Birmingham, United KingdomFrom $1K10–49 staffPay Per Click

#14

Rudo B2B

Strategy-Led B2B Web Design Agency

London, United KingdomFrom $10K10–49 staffWeb Design

#15

We Create Digital

Helping Businesses Succeed Online

Coggeshall, United KingdomFrom $10K2–9 staffE-commerce Development

#16

Fat Cow Media

Creative web design & SEO agency

London, United KingdomFrom $5K2–9 staffSearch Engine Optimization

#17

Wildcat Digital Ltd

Helping businesses punch above their weight online

Sheffield, United Kingdom10–49 staffSearch Engine Optimization

#18

Avid Panda

We Know What Works, And What Doesn’t.

Birmingham, United KingdomFrom $5K2–9 staffPublic Relations

#19

Breakline

Awarded Best SEO Agency by Clutch 2019 - 2026

Guildford, United KingdomFrom $1K50–249 staffSearch Engine Optimization

#20

e intelligence

⭐️⭐️⭐️⭐⭐More Traffic, More Customers, More Revenue