Search engine optimisation is no longer optional—it is essential. In 2025, over 93% of all web traffic still begins with a search engine. For UK businesses, ranking on the first page of Google has become even more competitive. With over 70,000 Google searches per second, it’s crucial to work with a trusted partner that understands the UK market and digital trends.
Choosing the best SEO in the UK is about more than just rankings. It’s about generating qualified leads, improving conversion rates, and sustaining long-term visibility. A reliable UK SEO company will help you stay ahead of algorithm changes, focus on high-intent keywords, and create content that resonates with both users and search engines.
Whether you’re a startup in London or an e-commerce brand in Manchester, the SEO agency you partner with will play a major role in your digital success. According to Statista, businesses that invest in SEO are 13 times more likely to generate positive ROI. That’s why we’ve researched and compiled a list of the top 20 SEO companies in the UK to consider this year.
Each of these companies has demonstrated success in delivering measurable results. They offer services like technical SEO, link building, content optimisation, and local SEO—all backed by strategy, data, and performance. Whether you’re after affordable SEO or looking for the best SEO company in UK to boost enterprise traffic, there’s something here for you.
20 Best SEO Services Companies in the UK
1. Tech Savy Crew
Tech Savy Crew is quickly becoming the best SEO company in UK for small businesses and startups looking for measurable digital growth. With a proven track record of delivering up to 270% increases in organic traffic within just six months, they specialise in both local and national SEO strategies.
Their client retention rate exceeds 92%, and they maintain an average position gain of 38 spots across key target keywords. Tech Savy Crew is especially known for helping eCommerce brands grow visibility and sales using schema, Core Web Vitals enhancements, and high-authority link building.
For any business seeking a reliable and performance-driven UK SEO company, Tech Savy Crew is a go-to partner in 2025. Their commitment to transparency and ROI makes them a standout in the UK SEO industry.
2. Burst Digital
Burst Digital combines SEO with conversion optimisation to generate real business growth. Known for delivering over 100% traffic growth year-on-year for many clients, they focus on long-tail keyword mapping and technical audits. As a high-performing UK SEO company, they serve B2B, e-commerce, and healthcare sectors with equal finesse.
3. Blueclaw
Blueclaw is a data-driven SEO agency based in Leeds. Their work with online gambling and travel brands has won them multiple industry awards.
They report an average increase of 45% in organic revenue for their clients within 12 months. If you’re seeking the best SEO in the UK, Blueclaw’s ROI-focused strategies make them a top choice.
4. Click Intelligence
Click Intelligence is known for precision link-building and advanced on-page optimisation. With a team of over 70 specialists, they’ve helped clients achieve a 60% improvement in keyword visibility across highly competitive niches. As a trusted SEO company in UK, they also provide comprehensive white-label SEO for agencies.
5. Fat Fish Marketing
Fat Fish Marketing blends creativity with technical SEO to scale organic reach. With their focus on CRO (Conversion Rate Optimisation) and structured data, they often double traffic within the first six months. They’re often mentioned as one of the best SEO in the UK for brands aiming for eCommerce growth.
6. Pearl Lemon
Pearl Lemon is a London-based SEO firm known for rapid deployment and transparent reporting. With over 250 client case studies, they claim a 400% average increase in traffic for long-term clients. If you need an agile and effective UK SEO company, Pearl Lemon is worth considering.
7. Impression
Impression is a multi-award-winning SEO agency based in Nottingham. Their clients see an average 73% increase in non-branded organic traffic in the first year.
Using tools like SEMrush, Ahrefs, and custom dashboards, they offer enterprise-grade SEO, proving themselves as one of the best SEO companies in the UK.
8. Digital Uncut
Digital Uncut focuses on SEO for startups and scaleups. Their agile model delivers faster results, with some clients reporting 90% traffic growth in just 3 months. As a modern SEO company in UK, they blend data analytics with content marketing to achieve long-lasting gains.
9. Found.
Found. uses machine learning to guide SEO strategy. Their approach has led to a 310% increase in search visibility for several global brands. With a team of 100+ experts, this UK SEO company is perfect for businesses wanting a mix of tech innovation and human expertise.
10. Builtvisible
Builtvisible specialises in technical SEO and data analytics. They’ve worked with brands like Vodafone and River Island to improve crawl efficiency and boost visibility. Their average campaign improves organic revenue by 40% within the first 6 months—making them one of the best SEO in the UK.
11. Reboot Online
Reboot Online uses digital PR and SEO synergy to earn backlinks and attention. Their campaigns have earned coverage in Forbes, BBC, and The Guardian. Their unique methods have helped clients see an average domain authority growth of 15 points in 12 months.
12. Honchō
Honchō, formerly iThinkMedia, excels in enterprise SEO. With a focus on retail, automotive, and travel sectors, they report up to 50% higher organic CTRs for clients after SEO improvements. As a results-driven SEO company in UK, they align strategy with measurable KPIs.
13. SEOWorks
SEOWorks has won multiple awards for their work with education, healthcare, and local services. Their clients see an average ROI of 11:1 from SEO spend. Known for clarity and impact, they’re often ranked among the best SEO company in UK.
14. Cedarwood Digital
Based in Manchester, Cedarwood Digital helps brands build strong digital footprints. With a 4.9/5 client rating, their SEO campaigns consistently achieve 30–70% growth in search visibility. They use a hybrid model of automation and content depth to stay ahead.
15. NOVOS
Specialising in eCommerce SEO, NOVOS has helped brands like Bloom & Wild and Simba grow search revenue by over 300%. Their tailored strategies and Shopify SEO expertise put them among the best SEO in the UK for online stores.
16. CreativeRace
CreativeRace merges brand storytelling with SEO. Their SEO-led rebranding projects often double keyword rankings within 6 months. Known for cross-channel synergy, they’re a UK SEO company that thrives on combining search with strategy.
17. Gripped
Gripped focuses on B2B SaaS SEO, delivering scalable inbound strategies. They’ve helped tech startups reach 500% traffic growth in less than a year. Their data-rich dashboards and pipeline tracking offer total visibility for performance-focused businesses.
18. Propellernet
Brighton-based Propellernet creates content-led SEO campaigns that earn thousands of backlinks. Their award-winning team has helped clients hit 200% revenue growth through SEO alone. They’re a standout among UK SEO companies for storytelling and growth.
19. SEO.co.uk
As the name suggests, SEO.co.uk is all about search performance. With over 15 years of experience, they report consistent top-3 rankings for 80% of client keywords. Their combination of AI and human analysis keeps them relevant and reliable in 2025.
20. StudioHawk UK
StudioHawk, originally from Australia, now has a strong UK team offering specialised SEO without paid media distractions. Their performance reports show an average 55% traffic boost in 6 months. They’re ideal for brands seeking best SEO in the UK focused purely on organic growth.
Final Thoughts
The SEO landscape in the UK continues to evolve, and competition is fiercer than ever. With 68% of online experiences beginning on a search engine and over 50% of clicks going to the top three organic results, businesses can’t afford to neglect their search presence.
From enterprise giants to local service providers, every business can benefit from partnering with the right SEO expert. The companies on this list are more than just service providers—they’re growth partners. Whether you need technical SEO fixes, content planning, local SEO, or international targeting, each of these agencies brings a unique strength to the table.
Statistically, businesses that outsource SEO to a specialist agency grow 3 times faster than those managing it in-house. Furthermore, studies show that SEO delivers 20 times more traffic opportunities than PPC on both desktop and mobile. That’s why it’s critical to invest in professionals who understand the dynamics of search engines, user behaviour, and business outcomes.
Choosing the best SEO company in UK is a decision that can impact your business’s visibility, revenue, and long-term success. Use this list as a guide to find a UK SEO company that fits your goals and budget, and keep in mind that the best results come from long-term partnerships and ongoing optimisation.
