The 296 Best SEO Agencies in the UK (2026)
The highest-rated UK SEO agencies, from London boutiques to full-service northern powerhouses.
Featured Agencies
Digital Glue
Maximising Your Company's Potential
Red Hot Penny
Fuelling Ambitious Brand Growth
BOUTIQUE
MEDIA - DIGITAL - PR
eSterling
Award Winning Website Design, SEO & Adwords Agency
Smart Search SEO
Define Your Search with our tailored SEO Strategy
PexNet
Best Local SEO Agency for Small Businesses
Making Websites Better
Expertly-crafted websites with purpose and meaning
Gripped
FeaturedBuild Pipeline, Drive Growth, Scale Confidently
Bird Marketing
FeaturedDigital Mastery, Delivered by Bird 🏆
Digital Trails
Multi-Country PR & Search Marketing Agency (US+EU)
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Browse our full directory or get personally matched with 2–3 vetted United Kingdom agencies that fit your goals and budget.
Calibre
Calibre™ - The Leading Digital Agency
Digital Media Team
eCommerce Strategy Driven Agency ⭐️⭐️⭐️⭐️⭐️
Greenlight
Brave digital. Expertly done.
Ellipsis®
SEO Content is winner-takes-all. We make you win.
WEB CHOICE
Custom Websites & SEO To Generate Leads & Revenue
Digital Ethos
Become Extraordinary
Find your perfect United Kingdom agency today
Browse our hand-vetted directory or submit a brief and we'll personally match you with the best-fit agencies — free, with no obligation.