Finding the right SEO agency in London is crucial for businesses aiming to grow online. London is a hub of digital innovation, with numerous SEO agencies competing to deliver results. With the city’s competitive market, choosing the best SEO agency in London can help your business improve rankings, boost traffic, and increase conversions effectively. This guide lists the 20 top SEO agencies in London with detailed insights about their services, pricing, and unique features.
Each agency listed below has proven expertise in different SEO verticals, including local SEO, B2B SEO, e-commerce SEO, and more. Whether a startup or an established brand, this article helps you pick the perfect digital SEO partner in London.
1. Distilled
Distilled is a leading SEO consultancy agency in London, known for its strategic approach to search engine optimisation. Founded in 2005, it has built a strong reputation for transparent, data-driven SEO solutions. Distilled focuses on long-term growth and ROI, serving clients like eBay and Microsoft. They specialize in technical SEO, content marketing, and digital PR.
| Features | Services |
|---|---|
| Data-driven SEO audits | Technical SEO |
| Customized SEO strategies | Content and link building |
| Advanced content marketing | SEO consultancy |
| Transparent reporting and analytics | Digital PR campaigns |
Cost:
Pricing starts at £2,000 per month, varying based on project scope.
Why this:
Distilled’s strong focus on data and transparency makes it a trusted agency for measurable SEO success.
2. Impression
Impression is one of the best SEO agencies in London, awarded for its innovative SEO and PPC campaigns. With offices in London and Nottingham, it supports brands like Auto Trader and Whirlpool. The agency emphasizes ethical SEO practices and uses cutting-edge tools for keyword research and competitor analysis.
| Features | Services |
|---|---|
| Ethical SEO strategy | SEO audits |
| PPC and SEO integration | Paid media campaigns |
| E-commerce SEO expertise | Content marketing |
| Conversion rate optimization (CRO) | Local SEO |
Cost:
Monthly retainers range from £1,500 to £5,000 depending on client needs.
Why Use It:
Impression’s blend of SEO and PPC provides a comprehensive digital marketing solution.
3. Builtvisible
Builtvisible is a digital SEO agency in London that specializes in SEO and content marketing for large enterprises. They use scientific approaches to SEO with a focus on technical improvements and organic growth. Their clients include FTSE 100 companies and major retail brands.
| Features | |
|---|---|
| Technical SEO focus | Technical SEO |
| Content strategy and development | SEO consultancy |
| Data and analytics driven | Content marketing |
| Industry thought leadership | Training and workshops |
Cost:
Starts from £3,000 per month with custom pricing.
Why Use It:
BuiltVisible is ideal for companies looking for deep technical SEO and strategy consultancy.
4. Greenlight Digital
Greenlight Digital is a full-service SEO and PPC agency in London with a global footprint. They focus on measurable performance and ROI for clients like Experian and Hilton. Their approach is based on comprehensive audits and multi-channel marketing integration.
Features:
- Integrated SEO and PPC campaigns
- Multi-channel marketing
- ROI focused strategies
- Advanced reporting tools
Services:
- SEO and PPC management
- Conversion optimization
- Paid social media campaigns
- Analytics and reporting
Cost:
Typical monthly fees start at £2,000.
Why Use It:
Their multi-channel expertise is perfect for brands needing combined SEO and paid media strategies.
5. SEO Works
SEO Works is a specialist local SEO agency in London focused on helping small to medium businesses dominate local search. They provide tailored local SEO campaigns with strong results in Google Maps rankings and local pack visibility.
Features:
- Local SEO expertise
- Google My Business optimization
- Reputation management
- Citation building
Services:
- Local SEO audits
- Google Maps SEO
- Review management
- Citation clean-up and building
Cost:
Packages start from £600 monthly, affordable for local businesses.
Why Use It:
SEO Works is the best choice for businesses prioritizing local customer acquisition.
6. Jellyfish
Jellyfish is a digital marketing giant and a top SEO agency in the City of London. They combine SEO with analytics and paid media to create scalable marketing solutions. Their client list includes Adidas, eBay, and Expedia.
Features:
- Large-scale campaign management
- Paid and organic search synergy
- Analytics-driven insights
- Industry-leading technology
Services:
- SEO
- PPC
- Programmatic advertising
- Analytics and data science
Cost:
Pricing starts from £5,000 per month for enterprise clients.
Why Use It:
Perfect for large businesses wanting a comprehensive digital marketing partner.
7. Peak Impact Lnc.
Peak Impact is a fast-growing digital SEO agency in London focused on technical SEO and bespoke strategies. Founded in 2015, they work with brands like The Times and Howdens. Their agile approach delivers rapid organic growth.
Features:
- Technical SEO audits
- Custom SEO strategies
- Agile and transparent processes
- Content and link building
Services:
- Technical SEO
- Content marketing
- SEO consultancy
- Link acquisition
Cost:
Packages range from £1,500 to £4,000 per month.
Why Use It:
Ideal for medium-sized businesses wanting fast, impactful SEO results.
8. Found
Found is a results-driven SEO marketing agency in London specializing in growth for B2B and e-commerce businesses. They combine paid and organic tactics to maximize ROI and customer acquisition.
Features:
- Integrated SEO and PPC campaigns
- Focus on e-commerce and B2B
- Data-backed decision making
- Growth-focused approach
Services:
- SEO and PPC
- CRO
- Content marketing
- Analytics
Cost:
The starting monthly cost is around £2,000.
Why Use It:
Found works well for businesses seeking combined search marketing efforts.
9. Hallam
Hallam is a full-service digital agency offering both SEO and PPC from their London office. With over 20 years of experience, they serve clients such as Rolls Royce and Pets at Home. Their approach combines technical SEO and creative content.
Features:
- Experienced team
- SEO, PPC, and content services
- Multi-channel marketing
- Data-driven optimization
Services:
- SEO audits and strategies
- PPC campaign management
- Content creation
- Analytics and reporting
Cost:
Pricing starts at £1,800 per month.
Why Use It:
Hallam is suitable for businesses seeking a mix of SEO and creative marketing.
10. Koozai
Koozai is a well-established SEO agency based in London focusing on digital marketing and SEO consultancy. They provide tailored SEO campaigns with a strong emphasis on content marketing and technical SEO.
Features:
- Customized SEO plans
- Content and social media integration
- Transparent reporting
- Onsite and offsite SEO
Services:
- SEO consultancy
- Content marketing
- Paid media
- Social media marketing
Cost:
Monthly retainer starts at £1,200.
Why Use It:
Ideal for SMEs looking for a cost-effective SEO partner with a full marketing mix.
11. MadeByShape
MadeByShape is a boutique local SEO agency in North London specializing in small business SEO and website design. They focus on delivering affordable SEO with creative design solutions.
Features:
- Local SEO focus
- Website design and development
- Personalized service
- Transparent communication
Services:
- Local SEO audits
- Website design
- Content creation
- SEO training
Cost:
Starts from £500 per month, budget-friendly.
Why Use It:
Great for startups and small businesses seeking combined SEO and design services.
12. Branded3
Branded3 is a multi-award-winning leading SEO agency in London known for its innovative SEO and digital marketing solutions. They serve large brands like Auto Trader and Virgin Trains with bespoke SEO campaigns.
Features:
- Award-winning strategies
- Multi-channel campaigns
- Data-led SEO
- Content innovation
Services:
- SEO audits
- Content marketing
- Digital PR
- Paid media
Cost:
Monthly retainers typically start at £4,000.
Why Use It:
Perfect for brands needing top-tier SEO with digital marketing integration.
13. Search Laboratory
Search Laboratory is an international SEO agency in London UK, that excels in multilingual and global SEO. They help brands like Canon and JCB scale internationally using SEO best practices.
Features:
- Multilingual SEO
- International SEO
- Technical SEO
- Data analytics
Services:
- SEO consultancy
- Technical SEO
- Content strategy
- Paid search
Cost:
Starting from £3,000 per month.
Why Use It:
Ideal for companies expanding to international markets.
14. PHD Media
PHD Media is a global marketing and media agency with a strong SEO and PPC agency in London offering. They provide data-driven digital campaigns tailored to business goals.
Features:
- Media planning and buying
- Integrated SEO and PPC
- Data and analytics expertise
- Large-scale campaign experience
Services:
- SEO
- PPC
- Programmatic advertising
- Media buying
Cost:
Pricing depends on campaign scale, starting from £5,000 monthly.
Why Use It:
Great for brands wanting SEO combined with media buying power.
15. The SEO Works
The SEO Works is a well-known SEO agency in North London that specializes in performance-driven SEO with transparent pricing. They work with clients from startups to big brands like Warner Bros.
Features:
- Transparent pricing
- Customized SEO strategies
- Strong local SEO focus
- ROI-driven approach
Services:
- SEO audits
- Local SEO
- PPC
- Content marketing
Cost:
Packages start from £750 monthly.
Why Use It:
Ideal for businesses seeking clear pricing and ROI focus.
16. Relevance
Relevance is a B2B-focused SEO agency in London that helps technology and professional services companies grow through search marketing. They offer tailored SEO and PPC solutions.
Features:
- B2B SEO expertise
- Integrated SEO and PPC
- Account-based marketing (ABM)
- Analytics and reporting
Services:
- B2B SEO
- PPC campaigns
- Content marketing
- ABM strategies
Cost:
Custom pricing based on client needs.
Why Use It:
Best for B2B companies in the tech and services sectors.
17. Digital Uncut
Digital Uncut is a London-based digital SEO agency specializing in e-commerce SEO and paid media. They focus on driving conversions for online stores.
Features:
- E-commerce SEO specialists
- Paid search integration
- Conversion optimization
- Data-driven insights
Services:
- E-commerce SEO
- PPC management
- CRO
- Analytics
Cost:
Monthly fees start at £1,500.
Why Use It:
Ideal for online retailers wanting sales-focused SEO.
18. Zazzle Media
Zazzle Media is a content-led SEO agency in London with a strong emphasis on organic growth through content marketing and SEO.
Features:
- Content marketing expertise
- SEO consultancy
- Link building
- Transparent reporting
Services:
- SEO audits
- Content strategy
- Digital PR
- Link acquisition
Cost:
Packages start at £2,000 per month.
Why Use It:
Great for brands focusing on content-driven SEO.
19. Launch Digital
Launch Digital is a boutique SEO consultancy agency in London delivering tailored SEO strategies for SMEs and startups. Their personalized approach ensures SEO success on smaller budgets.
Features:
- Tailored strategies
- Focus on startups and SMEs
- SEO training and workshops
- Transparent communication
Services:
- SEO audits
- On-page optimization
- Link building
- SEO training
Cost:
Starting packages from £500 monthly.
Why Use It:
Best for small businesses and startups needing affordable SEO.
20. Mayple
Mayple is an online SEO agency in London offering on-demand SEO experts and strategies tailored by AI-powered matching. They offer flexible contracts and measurable results.
Features:
- On-demand SEO experts
- AI-driven expert matching
- Flexible contracts
- Performance-based reporting
Services:
- SEO strategy
- Local SEO
- Technical SEO
- Content marketing
Cost:
Packages start from £1,000 monthly.
Why Use It:
Ideal for businesses seeking flexible, expert-led SEO support.
Conclusion
Choosing the right SEO agency in London depends on your business size, budget, and SEO goals. The agencies listed here cover a wide range of services, including local SEO, B2B SEO, e-commerce SEO, and integrated PPC campaigns.
Whether you want a large agency with global reach or a boutique firm focused on startups, London offers top-tier SEO expertise. Partnering with a skilled SEO agency will boost your online visibility, attract more customers, and increase revenue. Always consider agency experience, transparency, pricing, and client reviews before making your choice.
