Looking for an SEO agency to boost your online presence and climb the search rankings? Whether you’re a small business seeking visibility or an established brand aiming for the top spot, the right agency can drive your business forward.
Choosing the right business shouldn’t be a guessing game. We use real data— such as search traffic, Google rankings, and customer reviews—to identify the best options for you.
From technical SEO to content optimisation and link-building, these agencies have helped businesses like yours increase traffic, enhance visibility, and grow online.
1. The Munro Agency
The Munro Agency is a Glasgow-based digital marketing firm specialising in lead generation and marketing automation. With over 15 years of industry experience, our team has a proven track record of helping businesses increase their market share and deliver measurable results. We focus on delivering marketing strategies that drive sales, ensuring that your business not only reaches its target audience but also converts leads into loyal customers.
Office Location: Glasgow, United Kingdom
Year Founded: 2016
Team Size: 2 -10 employees
Key Services: Demand Generation, Community Management, Social Media Management, Digital Marketing, Business Development, B2B Branding, Digital Marketing Campaigns
Industries Served: B2B, SaaS, Professional Services, HR Consulting
Case Studies: View all case studies
2. SEO Works
The SEO Works is an award-winning UK-based digital marketing agency specialising in SEO, content marketing, and digital PR. With offices in Sheffield, London, and Leeds, they assist businesses in enhancing their online visibility and achieving measurable results. Their content marketing services encompass strategy development, content creation, SEO optimisation, and performance tracking, all aimed at engaging target audiences and driving brand growth.
Office Location: Sheffield, London, and Leeds, United Kingdom
Year Founded: 2008
Team Size:Â 51-200 employees
Key Services:Â SEO Services, Content Marketing, Digital PR, PPC Services, Web Design & Development, Paid Social Media, Local SEO
Industries Served:Â Automotive, B2B, B2C, Ecommerce, Education, Health, Manufacturing, Professional Services, SaaS
Case Studies: View all case studies
3. Victorious
Victorious is an award-winning SEO agency based in San Francisco, USA. They focus exclusively on search engine optimisation, offering tailored strategies to enhance clients’ online visibility and drive growth. Their services include on-page SEO, keyword research, SEO audits, off-page SEO, link building, technical SEO, and content creation. Victorious has collaborated with over 600 brands, including notable names like GoFundMe, Salesforce, Wayfair, and SoFi. Their team comprises more than 50 SEO experts dedicated to delivering data-driven results.
Office Location: San Francisco, USA
Year Founded:Â 2013
Team Size: 51-200 employees
Key Services: On-Page SEO, Keyword Research, SEO Audit, Off-Page SEO, Link Building, Technical SEO, Content Creation
Industries Served:Â Fashion & Retail, Legal, Luxury, Non-Profit Organisation, Travel & Tourism
Case Studies: View all case studies
4. Gripped
Gripped is a London-based digital marketing agency specialising in B2B SaaS and technology companies. Established in 2017, they assist founders, sales leaders, and marketing teams in building market presence, generating qualified leads, and closing more deals in a digital-first environment. Their approach combines content marketing, SEO, automation, and paid media to help clients stand out in competitive markets.
Office Location: London, United Kingdom
Year Founded: 2017
Team Size: 10–49 employees
Key Services:Â Digital Marketing Strategy, B2B Inbound Marketing, Lead Generation, B2B SEO, Content Marketing, Paid Search and Social, Martech and Marketing Automation, Sales Enablement, Website Development
Industries Served:Â Information Technology, Business Services, Telecommunications, Advertising & Marketing, Education, Legal, Media
Case Studies: View all case studies
5. Pearl Lemon
Pearl Lemon is a London-based digital marketing agency. The agency offers a range of services, including SEO, B2B lead generation, PPC management, content marketing, and digital PR. They have a global team connected through cloud technology, allowing them to deliver significant results for clients across various industries. Pearl Lemon emphasises building strong, long-lasting client relationships and values transparency in their operations.
Office Location:Â London, United Kingdom
Year Founded: 2016
Team Size: 11–50 employees
Key Services:Â SEO, B2B lead generation, PPC management, content marketing, digital PR
Industries Served: Various industries
Case Studies: View all case studies
6. Polaris
POLARIS is a leading SEO agency based in London, specialising in driving targeted traffic and sales for both e-commerce and B2B organisations. Since 2009, they have partnered with global brands to enhance online visibility and achieve business goals. Their services encompass SEO audits, onsite and technical SEO, international and local SEO, content marketing strategies, digital PR campaigns, and website migration services. By focusing on user behaviour and data-driven strategies, POLARIS delivers campaigns that consistently outperform ranking, traffic, and sales targets.
Office Location: London, United Kingdom
Year Founded: 2009
Team Size: Under 49 employees
Key Services:Â SEO, Content Marketing, Content Writing, Digital PR Campaigns, Link Building Services, Website SEO Migration Services
Industries Served: Fashion & Retail, Wholesalers & Manufacturers, Technology & SaaS, Hospitality & Events, Financial Services and more
Case Studies: View all case studies
Fly High Media is a full-service digital marketing agency dedicated to driving measurable growth through bespoke solutions. The agency has expanded from its Manchester origins to serve clients across various sectors. Their services include SEO, PPC advertising, social media management, and website design, all aimed at enhancing online visibility and maximising return on investment.
Office Location: Manchester, United Kingdom
Year Founded: 2016
Team Size: 11-50 employees
Key Services:Â SEO, Pay Per Click, Social Media Management, Website Design
Industries Served: B2B, B2C, Ecommerce, Education, Fashion, Financial Services, Hospitality, Manufacturing, Pharmaceuticals, Property, Travel
Case Studies: View all case studies
8. Studio 36
Studio 36 Digital is a digital marketing agency specialising in SEO services tailored for small to medium-sized enterprises. The agency focuses on enhancing online visibility through data-driven strategies. Their services include comprehensive keyword research, on-page optimisation, technical SEO, and link-building campaigns. They also offer web design, pay-per-click management, and social media management to provide a holistic approach to digital marketing.
Office Location: Blackpool, England
Year Founded: 2014
Team Size: 1–9 employees
Key Services:Â SEO Services, Ecommerce SEO, Local SEO, Web Design, Social Media Management, PPC Management
Industries Served: Various sectors, with a focus on SMEs
Case Studies: Not available
9. Atomic
Atomic is a multi-award-winning UK agency specialising in a range of digital services. They offer a unique ‘Digital 360 Service’, combining various digital marketing strategies into a comprehensive package aimed at driving business success. Their portfolio showcases work with leading companies across diverse sectors, delivering tailored solutions that achieve tangible results.
Office Location: Warrington, United Kingdom
Year Founded: 2020
Team Size: Under 49 employees
Key Services:Â Web Design, UX/UI Design, App Design, Web Development, SEO, PPC, Meta Ads, Google Ads
Industries Served: Multiple sectors globally
Case Studies: View all case studies
10. CEEK
CEEK is a full-service digital marketing consultancy headquartered in London. They specialise in partnering with leading brands across various sectors to enhance their online presence and drive business growth. Their in-house teams offer expertise in social media management, SEO, paid media, influencer marketing, email marketing, content creation, and digital PR. Notable clients include The Savoy, Disney, Lavazza, and Deliciously Ella.
Office Location: London, United Kingdom
Year Founded: 2016
Team Size: 11-50 employees
Key Services: Social media management, search engine optimisation (SEO), paid media, influencer marketing, email marketing, content creation, digital PR
Industries Served: Community & charity, construction & real estate, ethical & sustainable, fashion & retail, food & beverage, health & beauty, home & design, hospitality & events, luxury & lifestyle, sport & fitness, startup & venture, travel & tourism
Case Studies: View all case studies
11. Search Bloom
Searchbloom is a digital marketing agency specialising in SEO and Pay-Per-Click management. They offer services including local, national, and e-commerce SEO, as well as PPC management. The agency has been recognised for its growth and excellence, ranking 54th in the MWCN Utah 100 list in 202 and winning the Best Retail Search Marketing Initiative by Search Engine Land in 2021.
Office Location: West Jordan, Utah, USA
Year Founded: 2014
Team Size: 11-50 employees
Key Services:Â Local SEO, National SEO, E-commerce SEO, PPC Management
Industries Served:Â Various industries including Fashion, Food & Drink, Arts
Case Studies: View all case studies
12. Definition
Definition is a multi-award-winning digital PR agency that specialises in B2B communications. The team comprises former national print and broadcast journalists, big brand communications experts, B2B social media specialists, internal communications professionals, creative content writers, B2B SEO strategists, B2B PR professionals, and public affairs leaders. They have received close to 100 national and international awards for their work.
Office Location:Â London, United Kingdom
Year Founded:Â 2008
Team Size: 100–249 employees
Key Services: B2B PR, B2B SEO, B2B social media, public affairs, internal communications
Industries Served:Â Charity, Education, Healthcare, Energy, Tech and more
Case Studies: View all case studies
13. Blue Array
Blue Array is the UK’s largest specialist organic search agency, offering tailored SEO and Generative Engine Optimisation services. Their unique ‘consulgency®’ model combines the personal attention of a consultant with the scalability of an agency, aiming to enhance visibility, traffic, authority, and conversions for clients. Blue Array has been recognised with multiple awards, including ‘Best Large SEO Agency’ at the UK Search Awards 2022.
Office Location:Â Reading and London, United Kingdom
Year Founded: 2015
Team Size:Â 40+ employees
Key Services:Â Organic search, Digital PR, Content for organic search, Organic search audits, Technical organic search support, Organic search training, Startup organic search, Conversion rate optimisation, App store optimisation, Performance SEO™
Industries Served: Various, including non-profit organisations
Case Studies:Â View all case studies
14. Seed
Seed is a performance marketing agency based in Brighton, UK, specialising in driving sustainable growth for brands through innovative strategies. Their core services include Organic Search, Paid Search, Social Media, and PR, all aimed at enhancing brand visibility and customer engagement. Seed employs a progressive agency model that focuses on value-oriented billing and flexible agreements, moving away from traditional fixed contracts and hourly rates.
Office Location: Brighton, United Kingdom
Year Founded: 2014
Team Size: 11-50 employees
Key Services:Â Organic Search, Paid Search, Social Media, PR
Industries Served:Â Various industries including Retail, Hospitality,and Education
Case Studies: View all case studies
Odyssey New Media is a digital marketing agency based in Birmingham, UK, specialising in SEO, PPC, social media management, and web design. With over 30 years of combined experience, they craft tailored strategies to enhance online presence and drive business growth. Since 2010, they’ve been delivering comprehensive digital solutions to meet unique business objectives.
Office Location:Â Birmingham, United Kingdom
Year Founded: 2010
Team Size: 10–49 employees
Key Services:Â SEO, PPC, Social Media Management, Web Design, Mobile App Development
Industries Served:Â Business Services, Retail, eCommerce, Consumer Products & Services, Information Technology, Manufacturing, Medical, Telecommunications, Utilities
Case Studies: View all case studies
16. Brainz
BrainZ Digital is a UK-based international SEO agency specialising in enhancing digital visibility for businesses of all sizes. They offer tailored strategies in content marketing, organic social media, and SEO to help brands stand out online. Their team of experts is equipped to handle complex and unique niches, providing creative solutions to drive engagement and growth.
Office Location:Â London, United Kingdom
Year Founded: 2023
Team Size: 11-50 employees
Key Services: SEO, Content Marketing, Social Media Marketing, eCommerce, Digital Marketing, Market Research, Branding, Digital Strategy, Public Relations, Conversion Rate Optimisation
Industries Served:Â Retail, Consumer Goods & Services, IT & Software Development, Professional Services
Case Studies: View all case studies
17. Believe Digital
Believe Digital is a Bristol-based digital marketing agency offering bespoke performance marketing and web development solutions for ambitious companies. Their services include performance marketing, social media management, SEO, data analysis and visualisation, Google Ads management, and custom API integrations. Clients appreciate their practical fitness solutions, live virtual personal training, and commitment to achieving remarkable results.
Office Location:Â Bristol, United Kingdom
Year Founded: 2010
Team Size:Â 11-50 employees
Key Services: Performance marketing, social media management, SEO, data analysis and visualisation, Google Ads management, custom API integrations
Industries Served: Small to medium-sized businesses across various sectors
Case Studies: Not available
18. Mamba Agency
Mamba Agency is a leading SEO firm dedicated to delivering measurable results through clear KPIs and transparent reporting. They pride themselves on being an extension of their clients’ teams, focusing on deep integration to understand customer behaviour and identify effective SEO opportunities. Their approach includes comprehensive keyword and competitor research, on-page and technical SEO, link building, and both local and international SEO strategies.
Office Location: Singapore, UAE, USA
Year Founded: 2020
Team Size: 11-50 employees
Key Services: Keyword and Competitor Research, On-Page SEO, Technical SEO, Link Building, Local SEO, International SEO
Industries Served: SaaS, E-Commerce, Real Estate, Web3
Case Studies: View all case studies
19. My Biz Niche
My Biz Niche is a digital marketing agency dedicated to surpassing your sales expectations. Their approach combines data-driven strategies with creative execution to deliver exceptional results. The team of programmers, coders, and statisticians develop marketing strategies grounded in science. They implement a proprietary marketing formula based on systematic studies of cause and effect.
Location: Manchester, United Kingdom
Year Founded: 2021
Team Size: Over 50 employees
Key Services:Â Brand Strategy, Brand Creative, Brand Visibility, Brand Performance
Industries Served: Various sectors, including fashion, home services, and automotive
Case Studies: Not available
20. Octo SEO
OctoSEO is a professional SEO agency based in Cheshire, UK, offering tailored SEO services to enhance online visibility and drive organic traffic for small and medium-sized businesses. Their comprehensive approach includes keyword research, on-page optimisation, technical SEO, and content strategy, all aimed at improving search engine rankings and increasing website traffic.
Office Location: Cheshire, UK
Year Founded: Not specified
Team Size: 2-10 employees
Key Services: Keyword Research, On-Page Optimisation, Technical SEO, Content Strategy, SEO Audits, Competitor Research
Industries Served: Various industries
Case Studies: View all case studies
SEO Agencies: The Bottom Line
Choosing the right SEO agency is crucial for improving your online visibility, driving organic traffic, and achieving business growth. The agencies listed here have proven track records, industry expertise, and innovative strategies to help businesses rank higher on search engines.
Whether you’re looking for technical SEO, content optimisation, local SEO, or enterprise solutions, these agencies offer tailored services to meet your needs. As SEO continues to evolve, partnering with a reputable agency can give your business a competitive edge in the digital landscape.
With the right SEO partner, your business can achieve sustainable growth and long-term success online.
Frequently Asked Questions
An SEO agency helps businesses improve their online visibility by optimising websites for search engines like Google. They conduct keyword research, enhance website content, improve site speed, and build backlinks to boost rankings. Their goal is to increase organic traffic and improve search engine rankings for better online visibility.
Yes, hiring an SEO agency is worth it if you want to improve your website’s search engine ranking, drive more traffic, and boost sales. They have the expertise and tools to implement effective SEO strategies that can deliver long-term results, allowing you to focus on your core business.
The cost of SEO services can vary depending on the scope of work and the SEO agency’s expertise. On average, businesses pay between £500 and £5,000 per month for SEO services. Some agencies offer one-time packages, while others provide ongoing monthly retainer services to ensure continuous optimisation and growth.
Yes, SEO is highly valuable for small businesses as it helps increase online visibility, drive targeted traffic, and improve sales without the need for expensive advertising. With the right SEO strategies, small businesses can compete with larger companies and grow their presence online.
Some of the best SEO tools include SEMrush, Ahrefs, Moz, and Google Search Console. Each tool offers a range of features like keyword research, backlink analysis, and site audits to help improve SEO performance. The best tool depends on your specific needs and budget.
