# Best SEO Agencies in London (2026)

If you need SEO help in London, United Kingdom, the agencies listed here have been rated by real clients. Pick an Agency lists 62 SEO agencies in London, including top-rated Passionate Agency – Passionates and Rudo B2B, each with verified reviews and detailed performance ratings. With an average rating of 5.0★, 205 client reviews, budgets starting from $1k/month, you have real data to compare. Every profile includes ratings for performance, communication, value, and expertise - so you know what to expect. No paid placements.

62 agencies · Avg rating 5.0★ · 205 client reviews

## Ranked by review data

Showing 1-30 of 62.

1. [Passionate Agency – Passionates](https://www.pickanagency.com/agencies/passionate-agency-passionates-london) - 5.0★ (33 reviews) - London, United Kingdom - AI Development, Branding, Conversion Optimization
2. [Rudo B2B](https://www.pickanagency.com/agencies/rudo-b2b-london) - 5.0★ (27 reviews) - London, United Kingdom - Web Design, Web Development, Digital Strategy
3. [e intelligence](https://www.pickanagency.com/agencies/e-intelligence-london) - 5.0★ (24 reviews) - London, United Kingdom - SEO, PPC Management, Web Development
4. [Careful Feet Digital Marketing Agency](https://www.pickanagency.com/agencies/careful-feet-digital-marketing-agency-london) - 5.0★ (12 reviews) - London, United Kingdom - Branding, Digital Strategy, Email Marketing
5. [Got Legs Digital](https://www.pickanagency.com/agencies/got-legs-digital-london) - 5.0★ (11 reviews) - London, United Kingdom - SEO, Social Media Marketing, Digital Strategy
6. [Word Heroes](https://www.pickanagency.com/agencies/word-heroes-london) - 5.0★ (11 reviews) - London, United Kingdom - Content Marketing, Web Design, Ecommerce Marketing
7. [Onelink: Performance Marketing Agency](https://www.pickanagency.com/agencies/onelink-performance-marketing-agency-london) - 5.0★ (6 reviews) - London, United Kingdom - SEO, Performance Marketing, Pay Per Click
8. [novi.digital](https://www.pickanagency.com/agencies/novi-digital-london) - 5.0★ (5 reviews) - London, United Kingdom - PPC Management, Sales Outsourcing, Ecommerce Marketing
9. [ClickSlice](https://www.pickanagency.com/agencies/clickslice-london) - 5.0★ (5 reviews) - London, United Kingdom - SEO, PPC Management
10. [Millenio](https://www.pickanagency.com/agencies/millenio-london) - 5.0★ (5 reviews) - London, United Kingdom - SEO, Marketing Strategy
11. [Signify Digital Ltd](https://www.pickanagency.com/agencies/signify-digital-ltd-london) - 5.0★ (5 reviews) - London, United Kingdom - PPC Management, SEO, Content Marketing
12. [Smarketa](https://www.pickanagency.com/agencies/smarketa-london) - 5.0★ (4 reviews) - London, United Kingdom - PPC Management, SEO, Social Media Marketing
13. [ROAST](https://www.pickanagency.com/agencies/roast-london) - 4.9★ (11 reviews) - London, United Kingdom - SEO, PPC Management, Social Media Marketing
14. [Bulldog Digital Media](https://www.pickanagency.com/agencies/bulldog-digital-media-london) - 4.9★ (9 reviews) - London, United Kingdom - SEO, Content Marketing, Public Relations
15. [Glush](https://www.pickanagency.com/agencies/glush-london) - 5.0★ (3 reviews) - London, United Kingdom - PPC Management, Social Media Marketing, Web Development
16. [CreativeWeb](https://www.pickanagency.com/agencies/creativeweb-london) - 5.0★ (2 reviews) - London, United Kingdom - Web Design, Branding, Ecommerce Development
17. [Suffolk Media](https://www.pickanagency.com/agencies/suffolk-media-london) - 5.0★ (2 reviews) - London, United Kingdom - Email Marketing, Mobile & App Marketing, Pay Per Click
18. [Ignite SEO London](https://www.pickanagency.com/agencies/ignite-seo-london-london) - 4.9★ (7 reviews) - London, United Kingdom - SEO
19. [MADX Digital](https://www.pickanagency.com/agencies/madx-digital-london) - 5.0★ (1 review) - London, United Kingdom - SEO, Content Marketing, Generative AI
20. [Growth Division](https://www.pickanagency.com/agencies/growth-division-london) - 5.0★ (1 review) - London, United Kingdom - Marketing Strategy, Content Marketing, Email Marketing
21. [Paper Gecko - Digital Marketing & SEO](https://www.pickanagency.com/agencies/paper-gecko-digital-marketing-seo-london) - 5.0★ (1 review) - London, United Kingdom - SEO
22. [Greenlight](https://www.pickanagency.com/agencies/greenlight-london) - 4.7★ (3 reviews) - London, United Kingdom - PPC Management, SEO, Content Marketing
23. [Passion Digital](https://www.pickanagency.com/agencies/passion-digital-london) - 4.7★ (17 reviews) - London, United Kingdom - PPC Management, SEO
24. [TONG Global](https://www.pickanagency.com/agencies/tong-global) - London, United Kingdom - PPC Management, Content Marketing, PR
25. [Schparkly Creative](https://www.pickanagency.com/agencies/schparkly-creative) - London, United Kingdom - SEO, Creative Services, Display Ads - verified
26. [NEXT Digital Agency](https://www.pickanagency.com/agencies/next-digital-agency) - London, United Kingdom - SEO, PPC Management, Email Marketing
27. [Startup Voyager](https://www.pickanagency.com/agencies/startup-voyager-london) - London, United Kingdom - Conversion Optimization, SEO
28. [Marco Digital](https://www.pickanagency.com/agencies/marco-digital) - London, United Kingdom - SEO, Email Marketing, Content Marketing
29. [Bird Marketing](https://www.pickanagency.com/agencies/bird-marketing-london) - London, United Kingdom - SEO, Web Design
30. [Aspectus](https://www.pickanagency.com/agencies/aspectus-london) - London, United Kingdom - Branding, Public Relations, Content Marketing

## Popular services in London

- [Digital Marketing in London (92 agencies)](https://www.pickanagency.com/best-digital-marketing-agencies/united-kingdom/london)
- [Advertising in London (78 agencies)](https://www.pickanagency.com/best-advertising-agencies/united-kingdom/london)
- [Social Media Marketing in London (49 agencies)](https://www.pickanagency.com/best-social-media-marketing-agencies/united-kingdom/london)
- [Media Buying in London (43 agencies)](https://www.pickanagency.com/best-media-buying-agencies/united-kingdom/london)

## SEO agencies in other United Kingdom cities

- [SEO in Birmingham](https://www.pickanagency.com/best-seo-agencies/united-kingdom/birmingham)
- [SEO in Manchester](https://www.pickanagency.com/best-seo-agencies/united-kingdom/manchester)
- [SEO in Bristol](https://www.pickanagency.com/best-seo-agencies/united-kingdom/bristol)
- [SEO in Leeds](https://www.pickanagency.com/best-seo-agencies/united-kingdom/leeds)
- [SEO in Sheffield](https://www.pickanagency.com/best-seo-agencies/united-kingdom/sheffield)

## Frequently asked questions

### How many SEO agencies are in London?

We currently list 62 SEO agencies in London, United Kingdom, with an average rating of 5.0★ across 205 reviews. Passionate Agency – Passionates is currently the top-rated. Browse their profiles and reviews to find the right partner.

### How do I choose an SEO agency in London?

Compare agencies based on client reviews, campaign results, industry expertise, and pricing. Look for agencies in London with experience in SEO and a track record of delivering strong ROI.

### What should I expect to pay for SEO services in London?

Pricing varies by scope and agency size, and most agencies don't publish rates. Among the SEO agencies in London listed here that disclose a minimum budget, project minimums start at $1,000/month. Request quotes from multiple agencies to compare.

### Can I hire an SEO agency in London remotely?

Yes. Many SEO agencies in London work with remote clients. While a local agency can offer in-person meetings, remote collaboration is standard in the industry and gives you access to a wider talent pool.

### How does Pick an Agency rank SEO agencies in London?

Rankings are computed, never sold. No agency can pay to appear higher, and we take no money from the agencies listed. The default order uses a credibility-weighted score rather than the raw star average: a rating only earns its full weight once there is a real volume of reviews behind it, so a perfect 5.0 built on two or three reviews does not outrank a strong score backed by hundreds. That correction matters, because most agencies in this index sit at or near a perfect 5.0, which makes the star average on its own close to meaningless. [See the full ranking methodology](https://www.pickanagency.com/methodology).

HTML version: https://www.pickanagency.com/best-seo-agencies/united-kingdom/london