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Get instant access to our detailed comparison of the top 20 SEO companies in the UK, including pricing information, specializations, and client testimonials.
How We Selected the Top 20 SEO Companies in the UK
Our selection process involved rigorous research and analysis of over 100 SEO agencies operating in the United Kingdom. Each company was evaluated based on the following criteria:
- Proven Results: Verifiable case studies and success stories demonstrating measurable improvements in rankings, traffic, and conversions
- Client Testimonials: Authentic feedback from past and current clients about their experiences
- Industry Recognition: Awards, certifications, and recognition from reputable organizations
- Service Range: Comprehensive SEO offerings including technical SEO, content marketing, and link building
- Transparency: Clear communication about methodologies, pricing, and reporting
- Industry Expertise: Specialized knowledge in specific sectors or types of SEO campaigns
- Innovation: Use of cutting-edge tools, technologies, and strategies
- Team Expertise: Qualifications, experience, and skills of the agency’s staff
- Client Retention: Long-term client relationships indicating consistent quality of service
Quick Comparison of the Top 20 SEO Companies in the UK
Before diving into detailed reviews, here’s a quick overview of how these top SEO agencies compare in key areas:
| Company | Specialization | Best For | Starting Price | Location |
| Click Intelligence | Link Building, Technical SEO | Healthcare, Real Estate | £1,000/month | London, Cheltenham |
| Pearl Lemon | Local SEO, Content Marketing | Small Businesses, Startups | £750/month | London |
| Reboot Online | Data-Driven SEO, Digital PR | eCommerce, Finance | £2,000/month | UK (Remote) |
| SALT.agency | Technical SEO, International SEO | Enterprise, B2B | £3,000/month | Leeds, London |
| Impression | Integrated Digital Marketing | Mid-size to Enterprise | £2,500/month | Nottingham, London |
Want to see the full comparison of all 20 top SEO companies in the UK?
1. Click Intelligence
Company Overview
Founded: 2013
Location: London and Cheltenham
Team Size: 150+ employees
Notable Clients: Heart + Paw, Cotswold Eco Rooms, ASM Scholarships
Core Services
- Link Building: Specialized in acquiring high-quality backlinks through digital media placements and blogger outreach
- Technical SEO: Comprehensive site audits, speed optimization, and mobile-friendly improvements
- Content Strategy: Creating engaging, SEO-optimized content that resonates with target audiences
- International SEO: Multilingual optimization for businesses expanding globally
- Local SEO: Google Business Profile optimization and local citation building
Why They Stand Out
Click Intelligence has established itself as one of the top SEO companies in the UK through its data-driven approach and impressive client results. Their team has achieved remarkable outcomes, including a 155% increase in conversions and a 128% boost in transactions for clients. With a 97% client retention rate, they’ve proven their ability to deliver consistent results across various industries.
Their multilingual link building services set them apart from many competitors, making them an excellent choice for businesses looking to expand internationally. The agency’s transparent reporting and dedicated account management ensure clients always know exactly how their campaigns are performing.
“Click Intelligence increased my unique visits from 487 to 7917 per month over a 12-month period. As a result, we have seen an increase in turnover by 3654%.”
Ready to boost your online visibility?
Contact Click Intelligence for a free consultation and discover how their SEO expertise can help your business grow.
2. Pearl Lemon
Company Overview
Founded: 2016
Location: London
Team Size: Under 49 employees
Notable Clients: SJD Accountancy, Regal Assets, Century 21
Core Services
- Local SEO: Specialized strategies for businesses targeting specific geographic areas
- Content Marketing: Creating engaging, conversion-focused content that ranks well
- Technical SEO: Site audits and optimization for improved crawlability and indexing
- Link Building: Ethical backlink acquisition from relevant, authoritative sources
- eCommerce SEO: Specialized optimization for online stores to increase sales
Why They Stand Out
Pearl Lemon has quickly established itself as one of the top SEO companies in the UK, particularly for small businesses and startups. Their approach focuses on creating customized strategies rather than one-size-fits-all solutions. The agency is known for its transparent communication and commitment to delivering measurable results.
What sets Pearl Lemon apart is their focus on building genuine relationships with clients and their deep expertise in local SEO. Their team takes the time to understand each client’s unique business goals and challenges, resulting in highly effective campaigns that drive real business growth.
“Pearl Lemon’s SEO strategy helped us achieve first-page rankings for our most competitive keywords within just 4 months. Their team is responsive, knowledgeable, and genuinely invested in our success.”
Improve your local search visibility
Contact Pearl Lemon today to discover how their local SEO expertise can help your business attract more customers in your area.
3. Reboot Online
Company Overview
Founded: 2012
Location: UK (Remote Team)
Team Size: 50+ employees
Notable Clients: Uswitch, Mattress Online, LiveFootballTickets, Clear It Waste
Core Services
- SEO Strategy: Comprehensive search marketing plans based on data and experimentation
- Digital PR: Earning high-quality backlinks through media coverage and outreach
- Content Marketing: Creating engaging, optimized content that drives traffic and conversions
- Paid Media: Strategic PPC campaigns that complement organic efforts
- Data Marketing: Analytics-driven insights to optimize performance
Why They Stand Out
Reboot Online has earned its place among the top SEO companies in the UK through its commitment to data-driven strategies and real-world experimentation. Their approach goes beyond theory, testing SEO tactics to determine what truly works in today’s competitive landscape. This methodology has earned them multiple awards, including Best Large SEO Agency of the Year at the UK Search Awards.
What makes Reboot Online unique is their in-house market specialists across key European regions, including Spain, France, Germany, and Portugal. This international expertise makes them an excellent choice for businesses looking to expand beyond the UK market.
“Reboot’s data-driven approach transformed our organic search performance. Their team’s expertise in both technical SEO and digital PR helped us achieve a 215% increase in organic traffic within 12 months.”
Ready for data-driven SEO results?
Contact Reboot Online today to discover how their experimental approach can transform your search visibility.
4. SALT.agency
Company Overview
Founded: 2014
Location: Leeds, London, Boston (US)
Team Size: 50+ employees
Notable Clients: Travel Supermarket, Cloudflare, Twill, University of Leeds
Core Services
- Technical SEO: In-depth audits, site architecture optimization, and performance improvements
- International SEO: Multilingual and multi-regional optimization strategies
- Content Marketing: Data-driven content creation aligned with search intent
- Digital PR: Building authority through strategic media placements
- SEO Consultancy: Expert guidance for in-house teams and complex projects
Why They Stand Out
SALT.agency has established itself as one of the top SEO companies in the UK, particularly for technical SEO challenges. Their team includes some of the industry’s most experienced technical SEO consultants, capable of solving complex issues that many other agencies struggle with. This expertise has earned them the prestigious Queen’s Award for Enterprise.
What sets SALT.agency apart is their focus on tailoring strategies to specific business objectives rather than generic SEO improvements. Their team works closely with clients to understand their goals and develop customized approaches that deliver measurable results. This client-centric approach has made them a trusted partner for businesses of all sizes, from startups to global enterprises.
“SALT.agency’s technical expertise is unmatched. They identified and resolved complex SEO issues that had been holding back our site for years, resulting in a 187% increase in organic traffic within six months.”
Facing complex technical SEO challenges?
Contact SALT.agency today to discover how their technical expertise can help overcome your most difficult SEO obstacles.
5. Impression
Company Overview
Founded: 2012
Location: Nottingham, London, Manchester, New York
Team Size: 100+ employees
Notable Clients: Cancer Research UK, Topps Tiles, Clarins, Specsavers
Core Services
- SEO Strategy: Comprehensive search plans aligned with business objectives
- Content Marketing: Creative, data-driven content that engages and converts
- Paid Advertising: Strategic PPC and paid social campaigns
- CRO (Conversion Rate Optimization): Improving website performance and user experience
- Digital PR: Building brand authority through media coverage
Why They Stand Out
Impression has earned its place among the top SEO companies in the UK by combining technical expertise with creative flair. Their integrated approach ensures that SEO efforts work in harmony with other digital marketing channels, maximizing overall performance. This methodology has earned them multiple awards, including Digital Agency of the Year at the Global Agency Awards.
What makes Impression unique is their focus on transforming brands from market players to market leaders. They don’t just aim for incremental improvements; they develop strategies designed to help clients dominate their industries. Their team’s ability to blend data-driven insights with creative execution makes them an excellent choice for ambitious brands looking to make a significant impact.
“Impression’s integrated approach transformed our digital presence. Their team seamlessly combined SEO, content, and paid strategies to help us achieve a 312% increase in qualified leads within 18 months.”
Ready to become a market leader?
Contact Impression today to discover how their integrated approach can transform your digital presence.
Finding the Perfect SEO Partner for Your Business
Download our comprehensive guide to selecting the right SEO company in the UK, including detailed comparisons, pricing information, and industry-specific recommendations.
6. Screaming Frog
Company Overview
Founded: 2010
Location: Henley-on-Thames
Team Size: 50+ employees
Notable Clients: Disney, Virgin, Alzheimer’s Society, Which?
Core Services
- Technical SEO: In-depth audits and optimization using their proprietary tools
- SEO Strategy: Comprehensive search plans for sustainable growth
- Digital PR: Creative campaigns that earn high-quality backlinks
- PPC Management: Strategic paid search campaigns
- Content Marketing: Data-driven content creation and optimization
Why They Stand Out
Screaming Frog is widely recognized as one of the top SEO companies in the UK, particularly for technical SEO. They’re best known for creating the industry-leading SEO Spider tool, which is used by thousands of SEO professionals worldwide. This technical expertise gives them unique insights into how search engines crawl and index websites.
What sets Screaming Frog apart is their ability to blend technical excellence with creative campaigns. Their team includes both technical SEO specialists and creative marketers, allowing them to develop comprehensive strategies that address both the technical foundation and the content/PR aspects of SEO. This balanced approach has made them a trusted partner for brands of all sizes.
“Screaming Frog’s technical expertise is second to none. Their team identified critical issues that were limiting our site’s performance and implemented solutions that resulted in a 78% increase in organic traffic within just three months.”
Need expert technical SEO support?
Contact Screaming Frog today to discover how their technical expertise and creative approach can transform your search visibility.
7. Rise at Seven
Company Overview
Founded: 2019
Location: Sheffield, London, Manchester (Global offices)
Team Size: 100+ employees
Notable Clients: PrettyLittleThing, GoCompare, Missguided, Gymshark
Core Services
- Creative SEO: Innovative strategies that blend creativity with search optimization
- Digital PR: Viral campaigns that earn high-quality backlinks and media coverage
- Content Marketing: Engaging content designed to attract and convert
- Technical SEO: Site optimization to support creative campaigns
- Social Media: Integrated social strategies that amplify SEO efforts
Why They Stand Out
Despite being a relatively young agency, Rise at Seven has quickly established itself as one of the top SEO companies in the UK, particularly for brands seeking bold, creative campaigns. Their approach focuses on creating content that not only ranks well but also has the potential to go viral, generating significant backlinks and brand awareness.
What makes Rise at Seven unique is their ability to blend SEO with creative marketing in a way that few other agencies can match. Their campaigns often transcend traditional SEO, incorporating social media, PR, and even offline elements to create maximum impact. This integrated approach has made them especially popular with eCommerce and retail brands looking to stand out in competitive markets.
“Rise at Seven’s creative approach transformed our brand visibility. Their campaign generated over 300 high-quality backlinks and increased our organic traffic by 215% in just six months.”
Ready for creative SEO that stands out?
Contact Rise at Seven today to discover how their innovative approach can help your brand cut through the noise.
8. The SEO Works
Company Overview
Founded: 2009
Location: Sheffield, Leeds, London
Team Size: 80+ employees
Notable Clients: Loopcloud, House of Oak, Imburse, Absolute Reg
Core Services
- SEO Strategy: ROI-driven search plans focused on business growth
- Local SEO: Specialized strategies for businesses targeting specific geographic areas
- Digital PR: Building authority through strategic media placements
- PPC Management: Google Ads and paid social campaigns
- Web Design & Development: SEO-friendly website creation
Why They Stand Out
The SEO Works has established itself as one of the top SEO companies in the UK through its strong focus on ROI-driven campaigns. Their approach emphasizes not just traffic and rankings, but measurable business results like leads, sales, and revenue growth. This focus on bottom-line impact has earned them recognition as Integrated Search Agency of the Year at the Global Agency Awards.
What sets The SEO Works apart is their thorough industry research and tailored strategies. They take the time to understand each client’s specific market, competitors, and target audience before developing a customized approach. Their status as a Google Premier Partner also demonstrates their expertise across Google’s advertising platforms, making them an excellent choice for integrated search campaigns.
“The SEO Works delivered exceptional results for our business. Their ROI-focused approach helped us achieve a 143% increase in organic traffic and a 98% increase in leads within 12 months.”
Want SEO that delivers real business results?
Contact The SEO Works today to discover how their ROI-driven approach can help your business grow.
9. Delante
Company Overview
Founded: 2017
Location: Kraków, Poland (Serving UK clients)
Team Size: 70+ employees
Notable Clients: NOTINO, LuxTrade, Fellowes, Youniq
Core Services
- International SEO: Multilingual and multi-regional optimization strategies
- Technical SEO: Site audits and performance improvements
- Content Marketing: Localized content creation for different markets
- SEM: Search engine marketing across multiple platforms
- Link Building: Strategic backlink acquisition for authority building
Why They Stand Out
Delante has earned its place among the top SEO companies serving UK businesses through its exceptional expertise in international SEO. Their team works across more than 20 international markets, making them an excellent choice for businesses looking to expand globally. This international focus earned them recognition as B2B Agency of the Year at the Global Agency Awards.
What makes Delante unique is their experience with challenging niche industries like CBD, casinos, and fintech. They’ve developed specialized approaches for these sectors, navigating complex regulatory environments while still achieving impressive results. Their data-driven campaigns focus on boosting visibility and conversion rates, ensuring that traffic increases translate to business growth.
“Delante’s international SEO expertise helped us successfully expand into five new European markets. Their team’s multilingual capabilities and understanding of local search behaviors were invaluable to our growth strategy.”
Planning international expansion?
Contact Delante today to discover how their international SEO expertise can help your business succeed in new markets.
10. Blue Array
Company Overview
Founded: 2015
Location: Reading
Team Size: 30+ employees
Notable Clients: Zoopla, Blood Cancer UK, Superdry, RAC
Core Services
- SEO Strategy: Consultancy-based approach to search optimization
- Technical SEO: In-depth audits and implementation support
- Digital PR: Building authority through strategic media placements
- Content for SEO: Creating optimized content that ranks and converts
- Training & Workshops: Knowledge transfer to in-house teams
Why They Stand Out
Blue Array has earned recognition as one of the top SEO companies in the UK through their consultancy-based approach. Unlike agencies that try to be all things to all clients, Blue Array focuses exclusively on SEO, allowing them to develop deep expertise in this area. This specialization earned them the title of SEO Agency of the Year at the UK Digital Growth Awards.
What makes Blue Array unique is their commitment to knowledge sharing and transparency. They don’t just implement SEO strategies; they educate their clients about the process, helping them understand the “why” behind each recommendation. This approach builds stronger client relationships and ensures that SEO becomes integrated into the client’s broader marketing strategy.
“Blue Array’s consultative approach transformed our understanding of SEO. Their team not only improved our rankings and traffic but also educated our in-house team, enabling us to maintain and build upon the results they achieved.”
Need expert SEO guidance?
Contact Blue Array today to discover how their consultancy-based approach can help your business achieve sustainable SEO success.
Additional Top SEO Companies in the UK
While we’ve covered our top 10 selections in detail, the following agencies also deserve recognition for their exceptional SEO services:
11. Bring Digital
Location: Manchester
Specialization: eCommerce SEO, Paid Media
Notable Clients: In The Style, The Rug Company, Land of Beds
Bring Digital excels in performance marketing for eCommerce brands, combining SEO with paid media to drive sales growth. Their team has won multiple awards, including Large Paid Media Agency of the Year at the UK Paid Media Awards.
12. ClickSlice
Location: London (Remote)
Specialization: eCommerce SEO, Service-Based Businesses
Notable Clients: Forbes, Project Solar UK, Felina Eco Bike
ClickSlice focuses on driving growth for eCommerce and service-based businesses through bespoke SEO campaigns. They’re recognized for their excellence in eCommerce SEO, winning Best Link Building for eCommerce at the eCommerce SEO Agency Awards.
13. Digitaloft
Location: Kendal, Manchester
Specialization: Digital PR, Content Marketing
Notable Clients: Compare the Market, JD Group, Cosmetify
Digitaloft combines technical SEO expertise with creative content to improve online visibility and brand awareness. They’re recognized as one of the UK’s Best Workplaces™ 2025 by Great Place to Work, reflecting their strong company culture.
14. Distinctly
Location: London, Rickmansworth
Specialization: SEO-Led Digital Marketing, Digital PR
Notable Clients: Arsenal FC, JVC, Wilkinson Sword, BoConcept
Distinctly is an SEO-led digital marketing agency combining strategic insights with innovative techniques. They won Best Workplace Health & Wellbeing Awareness Initiative at the UK Company Culture Awards, highlighting their commitment to staff wellbeing.
15. Builtvisible
Location: London (Shoreditch)
Specialization: Organic Digital Marketing, Data Strategies
Notable Clients: Vitality, Lastminute.com, Icelandair, Very
Builtvisible specializes in SEO, content marketing, and data strategies. They’re known for delivering ROI-focused campaigns that align marketing strategies with user needs, making them popular with finance, retail, and travel brands.
16. Wolfgang Digital
Location: Dublin, Ireland (Serving UK clients)
Specialization: Revenue Growth, Integrated Digital Marketing
Notable Clients: Xero, Zurich, Dalata Hotel Group, Woodie’s
Wolfgang Digital focuses on driving revenue growth through SEO, paid media, and content marketing. They’ve won multiple awards, including Global Large Content Marketing Agency of the Year and Best Global Large Integrated Search Agency.
17. Mediaworks
Location: Gateshead, Leeds, London, Manchester, Edinburgh
Specialization: Integrated SEO, Branding, Performance Strategies
Notable Clients: Travis Perkins, Tombola, Worldpay, Southern Water
Mediaworks delivers integrated SEO, branding, and performance strategies to help brands drive sustainable growth. Their comprehensive approach combines creative, technical, and strategic elements to achieve measurable business results.
18. Verve Search
Location: London (Waterloo)
Specialization: Creative SEO, Digital PR
Notable Clients: LookFantastic, Admiral, Canva, Tide
Verve Search specializes in creative SEO and digital PR campaigns designed to improve organic search rankings and drive brand awareness. Their international team gives them a multilingual edge, helping brands break into new markets effectively.
19. Seeker Digital
Location: Bristol
Specialization: Sustainable Link Building, Content Marketing
Notable Clients: Undisclosed major brands in finance, eCommerce, and SaaS
Seeker Digital focuses on sustainable link building strategies that improve backlink profiles while remaining white-hat and future-proof. Their integrated approach combines link building with content marketing for maximum impact.
20. Gripped
Location: London
Specialization: B2B SaaS SEO, Tech Marketing
Notable Clients: Various SaaS, tech, and IT brands
Gripped is a digital marketing agency focused exclusively on B2B SaaS, tech, and IT brands. Their deep understanding of the B2B landscape allows them to create content that not only ranks but also converts decision-makers. Their balanced approach to SEO includes on-site content marketing, authoritative link building, and technical optimization.
What sets Gripped apart is their intent-driven content strategy, which focuses on matching content to the specific intent behind each search query. This approach leads to higher-quality leads and better conversion rates for their B2B clients. Their holistic methodology also includes sales enablement and lead nurturing, making them an excellent choice for tech companies seeking full-funnel support.
How to Choose the Right SEO Company for Your Business
Selecting the perfect SEO partner from among the top 20 SEO companies in the UK requires careful consideration of several factors. Here’s a practical guide to help you make the right choice:
Define Your Objectives
Before approaching any agency, clearly define what you want to achieve with SEO:
- Increase organic traffic to specific pages or products
- Improve rankings for particular keywords
- Generate more leads or sales from organic search
- Expand into new geographic markets
- Recover from a Google penalty or algorithm update
Evaluate Industry Experience
Look for agencies with proven experience in your specific sector:
- Review case studies relevant to your industry
- Ask about their understanding of your market’s unique challenges
- Check if they’ve worked with similar-sized businesses
- Inquire about their familiarity with your target audience
Assess Methodologies and Approach
Understand how the agency works and whether their approach aligns with your needs:
- Ask about their SEO process and methodology
- Ensure they follow white-hat, sustainable practices
- Inquire about how they stay updated with algorithm changes
- Understand their approach to measuring success
- Check if they tailor strategies to individual client needs
Review Transparency and Reporting
Clear communication is essential for a successful partnership:
- Ask about reporting frequency and format
- Understand what metrics they track and why
- Inquire about their communication process
- Check if they provide access to tools or dashboards
- Ensure they explain their strategies in understandable terms
Consider Budget and ROI
Understand the financial aspects of your SEO investment:
- Compare pricing structures (monthly retainer, project-based, performance-based)
- Ask about contract terms and minimum commitment periods
- Understand what’s included in the quoted price and what might cost extra
- Inquire about how they measure and demonstrate ROI
- Consider the potential value of improved rankings, not just the cost
Check References and Reviews
Verify the agency’s reputation through third-party sources:
- Read client testimonials and case studies
- Check reviews on platforms like Clutch, Google, and Trustpilot
- Ask to speak with current or past clients
- Research their industry reputation and any awards received
- Look for red flags like complaints about communication or results
Pro Tip: Request a Sample Audit
Many of the top SEO companies in the UK will provide a basic website audit or analysis before you commit. This gives you insight into their approach and helps you understand the potential value they can bring to your business.
Conclusion: Finding Your Ideal SEO Partner
The landscape of SEO is constantly evolving, making it crucial to partner with one of the top SEO companies in the UK that stays ahead of industry trends and algorithm changes. The 20 agencies featured in this guide represent the cream of the crop, each with unique strengths and specializations to suit different business needs.
When selecting your SEO partner, remember that the “best” agency is the one that aligns most closely with your specific goals, industry, and working style. Take the time to research multiple options, ask detailed questions, and evaluate not just their technical capabilities but also their communication style and cultural fit with your organization.
Whether you’re a small local business looking to dominate your geographic area, an eCommerce store aiming to increase sales, or an enterprise seeking international expansion, there’s an SEO agency on this list perfectly suited to help you achieve your digital marketing objectives in 2025 and beyond.
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