The 10 Best SEO Companies in London (2026 Edition)
The top SEO agencies in London helping businesses compete in the UK's toughest market.
Finding the best SEO company in London is harder than anywhere else. There are hundreds of agencies. Everyone claims to be the best.
London is competitive. For everything. Your potential customers have endless choices. If they can't find you on Google, they'll find someone else. That's the reality.
The agencies below have proven track records. They understand what it takes to rank in London's crowded market. They know that SEO delivers better long-term value than PPC for most businesses.
Here's our list of the best SEO companies in London for 2026.
1. Epic Edits
A boutique SEO consultancy that punches above its weight. Founded by a former Royal Marines specialist who spent 10 years analysing signals and data. That military precision shows in the work.
No massive team. No layers of account managers. You work directly with your SEO specialist. Every strategy is custom built. No cookie-cutter packages.
Results matter more than reports. Rankings that drive revenue. Traffic that converts. That's the focus.
2. Rise at Seven
A creative SEO agency known for bold campaigns and digital PR. They've built links from major publications and driven serious visibility for their clients.
Good for brands wanting creative content alongside technical SEO. They think differently and it shows in their work.
3. Propellernet
A Brighton-based agency with a strong London client base. Known for their ethical approach and B Corp certification. They combine SEO with content and digital PR.
4. Builtvisible
Technical SEO specialists with deep expertise. They work with larger brands and have the skills to handle complex websites. Strong data and analytics capabilities.
5. Impression
A Nottingham agency with a growing London presence. They've won multiple awards for their SEO work and combine technical skills with creative content.
6. Distilled (Brainlabs)
Now part of Brainlabs, Distilled built a reputation for technical SEO excellence. Their SearchLove conferences brought the SEO community together. Strong enterprise-level capabilities.
7. Screaming Frog
The creators of the famous SEO Spider tool also offer agency services. Deep technical knowledge. Great for sites with complex crawling and indexation issues.
8. Reboot Online
A London-based agency known for conducting SEO experiments and publishing their findings. Their data-driven approach appeals to clients who want evidence-based strategies.
9. Found
A performance marketing agency with strong SEO capabilities. They work across SEO, PPC, and social media. Good for businesses wanting integrated digital marketing.
10. Blue Array
SEO specialists focused on larger brands and complex websites. They've worked with major publications and e-commerce sites. Strong technical foundation.
London has no shortage of SEO agencies. The right choice depends on your budget, industry, and goals. Learn more about our London SEO services or get in touch to discuss your project.