The 296 Best SEO Agencies in the UK (2026)

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

296 verified agencies

Featured Agencies

Digital Glue logo

Digital Glue

Maximising Your Company's Potential

9.4
5 reviews
Birmingham, United KingdomFrom $5K10–49 staffSocial Media Marketing
Red Hot Penny logo

Red Hot Penny

Fuelling Ambitious Brand Growth

9.3
4 reviews
Wokingham, United KingdomFrom $5K10–49 staffPay Per Click
BOUTIQUE logo

BOUTIQUE

MEDIA - DIGITAL - PR

9.3
3 reviews
Leeds, United KingdomFrom $10K10–49 staffPublic Relations
eSterling logo

eSterling

Award Winning Website Design, SEO & Adwords Agency

9.0
2 reviews
Birmingham, United KingdomFrom $5K10–49 staffE-commerce Development
Smart Search SEO logo

Smart Search SEO

Define Your Search with our tailored SEO Strategy

9.0
1 review
Blackburn, United KingdomFrom $1K2–9 staffSearch Engine Optimization
PexNet logo

PexNet

Best Local SEO Agency​ for Small Businesses

9.0
1 review
London, United KingdomFrom $1K10–49 staffSearch Engine Optimization
Making Websites Better logo

Making Websites Better

Expertly-crafted websites with purpose and meaning

9.0
2 reviews
Ware, United KingdomFrom $5K10–49 staffWeb Design
Gripped logo

Gripped

Featured

Build Pipeline, Drive Growth, Scale Confidently

8.9
5 reviews
London, United KingdomFrom $5K10–49 staff
Bird Marketing logo

Bird Marketing

Featured

Digital Mastery, Delivered by Bird 🏆

8.8
5 reviews
London, United KingdomFrom $5K10–49 staffSearch Engine Optimization
Digital Trails logo

Digital Trails

Multi-Country PR & Search Marketing Agency (US+EU)

8.8
5 reviews
London, United KingdomFrom $5K10–49 staffPublic Relations

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Calibre logo

Calibre

Calibre™ - The Leading Digital Agency

8.7
3 reviews
London, United KingdomFrom $1KSearch Engine Optimization
Digital Media Team logo

Digital Media Team

eCommerce Strategy Driven Agency ⭐️⭐️⭐️⭐️⭐️

8.6
5 reviews
Manchester, United KingdomFrom $1K10–49 staffBranding
Greenlight logo

Greenlight

Brave digital. Expertly done.

8.5
4 reviews
London, United KingdomFrom $50K50–249 staffPay Per Click
Ellipsis® logo

Ellipsis®

SEO Content is winner-takes-all. We make you win.

8.4
5 reviews
Worthing, United KingdomFrom $10K10–49 staffContent Marketing
WEB CHOICE logo

WEB CHOICE

Custom Websites & SEO To Generate Leads & Revenue

8.4
5 reviews
Bristol, United KingdomFrom $10K10–49 staffWeb Design
Digital Ethos logo

Digital Ethos

Become Extraordinary

8.2
5 reviews
Oadby, United KingdomFrom $1K10–49 staffContent Marketing

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Frequently Asked Questions — Best SEO Agencies in the UK