Top 10 SEO Companies in the UK for 2025 | Best SEO Agencies

Choosing the right search engine optimization (SEO) partner can make or break your online visibility. In today’s competitive digital landscape, businesses across the United Kingdom are turning to top SEO companies to boost rankings, drive targeted traffic, and generate consistent leads. This blog highlights the leading SEO agencies in the UK that offer proven strategies, transparent reporting, and measurable results.

Whether you’re a small business looking for local SEO or a growing brand needing enterprise-level optimization, these companies stand out for their technical expertise, on-page and off-page SEO capabilities, and data-driven approach. Our goal is to help you identify reliable United Kingdom SEO firms that align with your goals and budget. From organic search growth to content optimization and backlink strategies, each agency listed brings unique strengths to the table. If you’re ready to invest in smarter search marketing, this curated list of top SEO experts in the UK is a solid place to start.

1. CEEK

Founded in 2016, CEEK is a London-based digital marketing consultancy recognized for its custom-built, client-centric approach. specilising in marketing strategy consulting, eCommerce optimization, SEO, social media management, and paid media, the agency delivers tailored digital solutions that drive measurable growth. Their services also extend to email, SMS, and push marketing, influencer partnerships, and content generation, all designed to enhance brand visibility and performance.

With a diverse client portfolio including Disney, Lavazza, Radisson, The Savoy, and Tinder, CEEK has proven expertise across industries ranging from hospitality and lifestyle to technology and retail. The agency has earned global recognition through strategic collaborations with Meta, Google, and TikTok, leading to award-winning digital campaigns. Whether optimizing search engine presence or executing high-impact social strategies, CEEK stands out for its innovative, data-driven execution that delivers real ROI and long-term online success.

Services Offered:

• Marketing Strategy Consulting
• Ecommerce Consulting
• Search Engine Optimization
• Social Media Management
• Email/ SMS/ Push Marketing
• Influencer Marketing
• Content generation
• Paid Media 

Key Details:

• Hourly Rate: $150 – $199 /hr
• Employee Size: 10 – 49
• Min. Project Size: $5,000+
• Founded: 2016
• Clutch Rating: 5.0
• Google Rating: 4.8

Notable Clients:

• Disney
• Tinder
• Raddison

2. The SEO Works

Founded in 2009, The SEO Works is a UK-based digital marketing agency celebrated for its award-winning expertise in SEO, content marketing, PPC, and digital PR. Taking a client-first and data-driven approach, the agency creates tailored strategies that help businesses improve search visibility, generate qualified leads, and build high-quality backlinks. Trusted across 12+ industries—including healthcare, eCommerce, legal, finance, education, and manufacturing—The SEO Works has secured more than 1,000 top Google rankings for its clients.

Their comprehensive services combine technical audits, on-page optimisation, and strategic link building to drive consistent, long-term organic growth. Beyond SEO, their integrated PPC campaigns and digital PR efforts enhance visibility, engagement, and overall digital performance. With scalable, ROI-focused strategies that adapt to changing algorithms and user behaviour, The SEO Works has become a leading choice for brands aiming to outperform their competitors online.

Services Offered:

• Search Engine Optimization
• Pay Per Click
• Advertising
• Content Marketing
• Web Design

Key Details:

• Hourly Rate: $100–$149/hr
• Employee Size: 10–49
• Min. Project Size: $1,000+
• Founded: 2009
• Clutch Rating: 4.8
• Google Rating: 4.5

Notable Clients:

• Decathlon
• Rab
• Denby

3. Believe Digital

Founded in 2010, Believe Digital is a performance-focused digital marketing agency that provides tailored solutions in SEO, PPC, paid social, programmatic advertising, data analytics, and web development. With a client-first approach, the agency designs every strategy to align with specific business goals across industries such as eCommerce, B2B services, and digital marketing. Known for blending strategic thinking with measurable results, Believe Digital creates campaigns that drive traffic, increase conversions, and accelerate digital growth. Their expert team leverages advanced tools and analytics to deliver data-led campaigns that perform across both search and social platforms.

Their innovative work has earned them multiple accolades, including awards for influencer marketing and AI-driven tech solutions, as well as being named MarTech Company of the Year – Africa at the 2023 MEA Business Awards. Whether enhancing search visibility or executing precision ad strategies, Believe Digital is recognized as a trusted partner for sustainable online success and long-term return on investment.

Services Offered:

• Search Engine Optimization
• Data & Analytics
• Paid Social
• Pay Per Click

Key Details:

• Hourly Rate: $100–$149/hr
• Employee Size: 10 – 49
• Min. Project Size: $1,000+
• Founded: 2010
• Clutch Rating: 5.0
• Google Rating: 5.0

Notable Clients:

• Knucks
• Bastille
• James Morrison

4. Atomic Digital Marketing

Established in 2018, Atomic Digital Marketing (Atomic Digital Labs) is a UK-based digital consulting agency known for its high-performance campaigns across SEO, PPC, email marketing, and CRM strategy. With a strong focus on measurable outcomes and tailored execution, Atomic helps businesses in industries such as eCommerce, B2B services, and advertising achieve scalable growth. The agency is recognized for merging technical precision with performance marketing, ensuring every campaign is aligned with specific client objectives.

Their proven track record has earned them multiple accolades, including several Clutch awards (2023–2025) for digital excellence, recognition as a Top Web Design Company in the UK, and a spot among Manchester’s leading web developers. As a UK Search Awards 2023 finalist, Atomic continues to push boundaries in digital innovation. Whether driving traffic through SEO or building robust customer journeys via CRM, Atomic Digital Labs stands out as a results-driven agency helping brands thrive in today’s competitive digital landscape.

Services Offered:

• Search Engine Optimization
• Digital Consulting
• Email Marketing & CRM
• Pay Per Click

Key Details:

• Hourly Rate: $100–$149/hr
• Employee Size: 10–49
• Min. Project Size: $1,000+
• Founded: 2018
• Clutch Rating: 4.9
• Google Rating: 4.9

Notable Clients:

• Wooflinks
• Skills STG
• Enbi

5. Studio 36 Digital

Studio 36 Digital, founded in 2014, is a UK-based SEO agency recognized for its client-first, results-driven approach. Specializing in on-site SEO, content strategy, mobile optimization, and local search visibility, the agency supports businesses across sectors such as eCommerce, finance, healthcare, dental, retail, and hospitality. Every SEO campaign is uniquely tailored to match specific business goals—whether it’s driving organic traffic, boosting local visibility, or improving search rankings.

With a strong track record and industry recognition, Studio 36 Digital has been awarded Best Nationwide SEO Services Provider (2023) and a Northern Enterprise Award (2022). The agency also gained recognition through Theo Paphitis’ Small Business Sunday initiative, underlining its SME credibility. Having delivered successful outcomes for clients in construction, logistics, and consumer services, Studio 36 Digital remains a trusted choice for businesses aiming for long-term SEO growth and measurable digital success.

Services Offered:

• Search Engine Optimisation
• E-Commerce SEO
• Website Design
• E-Commerce Web Design
• Social Media Management
• Content Creation & Copywriting
• WordPress Hosting

Key Details:

• Hourly Rate: $25–$49/hr
• Employee Size: 2–9
• Min. Project Size: $1,000+
• Founded: 2014
• Clutch Rating: 4.9
• Google Rating: 4.7

Notable Clients:

• Jet Electrical
• Taybridge Associates
• Ribble Technology Ltd

6. Bird Marketing

Founded in 2010, Bird Marketing is a leading UK-based digital agency known for its performance-driven SEO solutions, tailored to businesses across eCommerce, financial services, legal, medical, and real estate sectors. The agency emphasizes technical SEO, link earning, international SEO, local search, and content development—crafting strategies that align with each client’s unique goals. With a client-centric mindset, Bird Marketing ensures that every campaign delivers measurable results, whether it’s enhancing on-site performance or expanding global visibility.

Bird Marketing’s commitment to excellence has earned it notable industry accolades, including being named Best Digital Agency in the UK by DesignRush in 2023. Past recognitions include Best Full-Service Agency by Digital.com and a position among the Top B2B Marketing Agencies. Known for technical precision and a results-oriented approach, the agency continues to support brand growth through scalable SEO strategies and strategic digital outreach.

Services Offered:

• SEO
• Web Design
• Pay Per Click

Key Details:

• Hourly Rate: $100–$149/hr
• Employee Size: 10–49
• Min. Project Size: $5,000+
• Founded: 2010
• Clutch Rating: 5.0
• Google Rating: 4.9

Notable Clients:

• TJ Refrigeration Ltd.
• Huawei
• First Data

7. Pearl Lemon

Established in 2014, Pearl Lemon is a highly awarded UK-based SEO and digital marketing agency known for delivering tailored, performance-driven strategies across diverse industries such as eCommerce, gaming, legal cannabis, and real estate. The agency excels in link building, local SEO, mobile-first optimization, on-site improvements, and content development—empowering brands to boost visibility, organic traffic, and conversions in competitive markets. Every campaign is customized around each client’s specific goals, whether focused on regional reach or global expansion.

Pearl Lemon’s impactful work has earned multiple industry accolades, including being named Best SEO Agency 2020 by the SME Greater London Enterprise Awards, ranking as a top Clutch SEO agency in the UK, and being recognized by DesignRush as a leading eCommerce SEO firm. With offices in London and Manchester, the agency blends technical SEO expertise with strategic creativity to deliver measurable digital growth and long-term ROI. Pearl Lemon continues to be a trusted partner for brands seeking meaningful online success.

Services Offered:

• Search Engine Optimization
• Accounting
• Pay Per Click
• Web Design
• Sales outsourcing

Key Details:

• Hourly Rate: $50–$99/hr
• Employee Size: 10–49
• Min. Project Size: $1,000+
• Founded: 2014
• Clutch Rating: 5.0
• Google Rating: 4.8

Notable Clients:

• MoxieLash
• Trusted Union
• Dubai Audio

8. Passion Digital

Founded in 2012, Passion Digital is a London-based digital marketing agency recognized for its performance-led SEO strategies. The agency offers expertise across content development, technical SEO, international SEO, on-site optimization, local search, and link building. Taking a data-driven, client-first approach, Passion Digital partners with brands of all sizes to improve online visibility, drive organic growth, and achieve digital success in both local and global markets. Their ability to blend creative storytelling with technical precision ensures every campaign is tailored to meet unique business goals.

Passion Digital’s results-focused work has earned widespread industry recognition. The agency is a Google Premier Partner, a winner at the UK Search Awards (2022–2023), and was honored with the Social Media Campaign of the Year title in 2024. Its consistent shortlisting at the UK Search & Paid Media Awards highlights its ongoing excellence and makes Passion Digital one of the most respected digital agencies in the UK market.

Services Offered:

• Search Engine Optimization
• Pay Per Click

Key Details:

• Hourly Rate: $100–$149/hr
• Employee Size: 10–49
• Min. Project Size: $5,000+
• Founded: 2012
• Clutch Rating: 4.6
• Google Rating: 4.6

Notable Clients:

• Knight Frank
• Mazda
• Octopus Investments

9. Odyssey New Media

Since 2010, Odyssey New Media has been delivering expert digital marketing services built around on-site optimization, mobile SEO, content strategy, link earning, and local search marketing. Headquartered in Birmingham, the agency is known for its client-focused, data-driven strategies that drive long-term growth for businesses across the UK and internationally. Whether enhancing mobile visibility, boosting organic rankings, or expanding local reach, Odyssey combines technical precision with creative execution to achieve measurable results.

The agency’s commitment to performance and innovation has earned it significant industry recognition. Odyssey was named Digital Agency of the Year (2019), ranked among the Top UK Digital Marketing Agencies by Agency Spotter (2023), and recognized by WELP Magazine for excellence in social media. It also holds certifications and partnerships that reinforce its credibility, including being a Google Partner, Google Ads Certified, Bing Ads Accredited, and an RAR Recommended Agency—making Odyssey a trusted name in digital marketing.

Services Offered:

• Search Engine Optimization
• Pay Per Click
• Social Media Marketing
• Web Design

Key Details:

• Hourly Rate: $50–$99/hr
• Employee Size: 10–49
• Min. Project Size: $1,000+
• Founded: 2010
• Clutch Rating: 5.0
• Google Rating: 4.9

Notable Clients:

• Marvel Software
• Midcounties Co-operative
• Prime Facility Services

10. Breakline

Breakline is an award-winning UK SEO agency founded in 2012, delivering high-performance search strategies that help brands dominate organic rankings and protect their online reputation. Specializing in content development, SEO reputation management, link acquisition, local search optimization, and mobile-first SEO, Breakline builds tailored, results-driven campaigns for businesses seeking long-term digital growth. Their team blends technical SEO expertise with strategic content and authority-building to ensure clients not only rank—but stay ahead of competitors.

Breakline’s commitment to excellence has earned consistent industry recognition, including being ranked the #1 SEO Agency in the UK by Clutch for three consecutive years (2023–2025), and being named Digital Agency of the Year at the 2018 Southern Enterprise Awards. Known for their transparency, responsiveness, and performance-led mindset, Breakline continues to be a go-to partner for brands aiming to grow their search presence and control their digital narrative in an increasingly competitive landscape.

Services Offered:

• Search Engine Optimization

Key Details:

• Hourly Rate: $100–$149/hr
• Employee Size: 10–49
• Min. Project Size: $1,000+
• Founded: 2012
• Clutch Rating: 5.0
• Google Rating: 5.0

Notable Clients:

• Brush Baby
• Motorscan
• Switch My Broadband

FAQs

Conclusion

Choosing the right SEO or digital marketing agency can make a measurable difference in your brand’s online success. The top 10 UK-based SEO companies featured above stand out for their tailored strategies, strong client results, and expertise in areas like technical SEO, content marketing, Pay Per Click, and local search optimization. Whether you’re a growing eCommerce brand, service provider, or enterprise business, partnering with a results-driven agency can boost search rankings, increase organic traffic, and maximize ROI. These agencies lead the UK market by consistently delivering high-performance digital campaigns aligned with business goals, evolving algorithms, and ever-changing user intent.