Top SEO Agencies in UK

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Are you aiming to boost your website’s visibility in search engine rankings, increase organic traffic, and enhance your online presence? Look no further! In this article, we present the top 14 SEO companies in the United Kingdom. These industry-leading agencies are known for their expertise, track record, and ability to deliver exceptional results. Whether you’re a small startup or a giant enterprise, these companies have the skills and knowledge to help you succeed in the competitive digital landscape. Let’s dive in and explore the best SEO companies in the UK that can take your website to new heights!

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NUOPTIMA – yes, that’s us! You’ve found this page because we’re so good at SEO we’re able to promote ourselves.

A bit about us

We’re an honest growth agency, and our goal is to drive qualified traffic & profit for your business. 

We don’t work with everyone. In fact, we actively refuse 50% of all businesses that try to work with us. That’s purely based on if we think we can make your campaign a success. We only grow as an agency if we can get you results and you refer us to your friends and family. 

Before you choose an SEO agency, reach out to our team. We’ll objectively tell you what we think, and if it’s good, we’ll propose a fair price alongside a set of growth expectations and KPIs.

Once you start to work with us, you’ll be in regular contact with our team. You’ll be provided with extensive data tracking and will see us on regular calls.

Our SEO capabilities

  • We’ve worked on over 200+ SEO projects.
  • Our Head of SEO has 15+ years of experience, and we employ over 20 content writers.
  • We’re a full-stack SEO agency and provide technical SEO, backlink building, and content writing services.
  • Costs start from $1,000 per month, depending on your requirements. 
  • We’ve worked with local service providers all the way to public companies.
  • We’ve worked across B2C and B2B, having driven brands to 7 figures in sales, and exceeded B2B SQL quotas.

Next steps

  • Firstly, you should visit our SEO services page here.
  • Then, you should read through some case studies here.
  • And when you’re ready, send us a message or book a call here.


Contact Us

  • Headquarters: London, UK
  • Founded: 2020
  • Specialization: SEO, Content Marketing
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Jellyfish is a globally recognised digital marketing agency with a strong focus on SEO services. With a team of skilled professionals, they provide a wide range of expertise, including technical and local SEO, content optimisation, and link building. Known for their innovative frameworks, Jellyfish combines creativity and technical proficiency to deliver effective solutions tailored to each client’s objectives. Their notable clients include Greenpeace, Netflix, and AVIVA Investors. Irrespective of the scale of your business, Jellyfish’s can help boost your website’s visibility, drive organic traffic, and achieve sustainable growth in the ever-evolving digital landscape.


  • Headquarters: London, UK
  • Founded: 2005
  • Specialisation: Digital Strategy, Paid Media, SEO
  • Website:
  • Phone Number:+44 8451226336
  • Email: [email protected]
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Screaming Frog

Screaming Frog, a leading agency based in Henley-on-Thames, is renowned for its exceptional SEO services and expertise. Their comprehensive range of offerings includes technical SEO, link building, and on-page optimisation. With data-driven tactics, they conduct thorough website audits, perform in-depth keyword research, and analyse competitors to create tailored formulas that yield tangible deliverables. 

Screaming Frog has an impressive client roster, including big names such as Disney, Virgin, Barclays, and Dell. With their proven achievements and reputation for excellence, Screaming Frog is a go-to choice for businesses seeking to outshine the competition.


  • Headquarters: Henley-on-Thames, UK
  • Founded: 2010
  • Specialisation: Online Marketing, Advertising, SEO
  • Website:
  • Phone Number: +44 (0)1491 415070
  • Email: [email protected]
  • Address: 6 Greys Road, Henley-on-Thames, Oxfordshire, RG9 1RY, UK
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Brainlabs is a cutting-edge digital marketing agency that excels in providing top-notch SEO services and expertise. Their impressive track record includes a 30% increase in organic traffic, 65,000 incremental organic clicks, and a remarkable 108% year-on-year growth in non-branded clicks. Their team of skilled professionals specialises in all things SEO alongside other services such as paid social, influencer marketing, and data strategy.

With a data-controlled approach and innovative strategies, Brainlabs empowers businesses to elevate their search engine rankings and drive organic traffic. Notable clients who have benefited from their services include Adidas, American Express, Walmart, and IcelandAir. Brainlabs’ commitment to producing exceptional outcomes, combined with their industry-leading knowledge and advanced analytical capabilities, positions them as one of the top agencies in the UK.


  • Headquarters: London, UK
  • Founded: 2012
  • Specialisation: PPC, SEO, Paid Social
  • Website:
  • Phone Number: +44 203 920 9767
  • Email: [email protected]
  • Address: 1 Old Street Yard, London EC1Y 8AF, United Kingdom
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Click Consult

Click Consult specialises in boosting online visibility through award-winning technical and creative SEO services. Since their establishment in 2003, they have continuously adapted to the evolving search landscape and remained at the forefront of best practices. Click Consult’s service is driven by a dedicated team of experts who develop customised frameworks to enhance clients’ online presence and brand. 

With their monitorTRAX® tool, they analyse over 75 off-page and on-page factors to optimise website performance. Notable success can be seen in the case study of KwikFit, where Click Consult accomplished impressive results, including a +44% increase in rankings, +23% revenue growth, and a +10% rise in organic sessions. Their dedication to measurable success ensures clients can monitor progress through their unique rankTRAX™ login ID.


  • Headquarters: Hooton, UK
  • Founded: 2003
  • Specialisation: SEO, PPC, Social Media
  • Website:
  • Phone Number: +44 845 205 0292
  • Email: [email protected]
  • Address: B1 Willow House, Oaklands Office Park, Hooton Road, Cheshire CH66 7NZ, United Kingdom
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Search Laboratory

Search Laboratory is a dedicated digital marketing agency offering specialist multilingual SEO services and consultancy. With a team of over 60 specialists, including linguists with cultural knowledge, they provide bespoke, integrated plans to maximise natural search rankings ethically and sustainably. Their expertise lies in technical optimisation, providing detailed audits and recommendations to outperform competitors. Search Laboratory’s specialists ensure local visibility across national and international markets through audits and competitor analysis. 

With a focus on driving relevant traffic, their scientific strategies aim to increase conversions and revenue, and their proprietary SEOLab™ suite of software tools offers exclusive research, analysis, and insights. Recognised as the “Organic Team of the Year” in 2017, Search Laboratory’s success stems from client retention, campaign achievements, and continuous innovation.


  • Headquarters: Leeds, UK
  • Founded: 2005
  • Specialisation: SEO, PPC, Content Marketing, Social Media 
  • Website:
  • Phone Number: +44 (0) 113 212 1211
  • Email: [email protected]
  • Address: BlokHaus, West Park Ring Road, Leeds LS16 6QG
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Zest Digital

Zest Digital has been delivering remarkable outcomes and strong return on investment (ROI) for over a decade. With 350+ happy customers and a 95% client retention rate, their expert team crafts tailored systems to reach your growth targets. The agency offers data-driven SEO services, including strategy development, high-ranking content creation, link building, on-page and off-page optimisation, and technical support.

Their proven frameworks and clear KPIs ensure you generate a higher ROI and have a clear understanding of your marketing direction, making them a great partner to improve your company’s visibility.


  • Headquarters: Oxford, UK
  • Founded: 2010
  • Specialisation: SEO, PPC, Web Design
  • Website:
  • Phone Number: +44 1865 684999
  • Address: Kings Meadow, 1 – 3 Osney Mead, Oxford OX2 0DP, United Kingdom
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Hallam is one of the UK’s most recommended digital marketing agencies, winning The Drum’s “Grand Prix Award” three times in a row. With a strong track record and SEO industry awards, Hallam is a trusted name in the digital marketing sector. 

Based in Nottingham, London, and Malaga (in Spain), they are a strategy-led agency that empowers businesses to thrive in the digital world. With a wealth of expertise spanning over twenty years, their team of 50+ experts specialises in technical knowledge, strategic planning, and automation. With a focus on high-level consultancy and innovative automation, Hallam delivers long-term, cost-effective results for businesses in a rapidly evolving digital landscape.


  • Headquarters: Nottingham, UK
  • Founded: 1999
  • Specialisation: SEO, PPC, Web, Creative
  • Website:
  • Phone Number: +44 (0) 115 948 0123
  • Email: [email protected]
  • Address: The Clock Tower, Talbot Street, Nottingham, NG1 5GG
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SiteVisibility is a seasoned SEO agency with decades of experience, offering the perfect blend of art and science to optimise your online presence. They excel at crafting customised SEO methods tailored to your goals, challenges, and available resources. With an extensive grasp of search engine algorithms, they dive into the technical aspects while fueling their creativity to captivate your customers’ hearts and attention. 

As pioneers in the industry since 2003, SiteVisibility has a proven history of aiding businesses to grow organic traffic and revenue. Their comprehensive optimisation services cover audits, strategy, migrations, copywriting, link analysis, penalty removal, and on-page optimisation.


  • Headquarters: Brighton, UK
  • Founded: 2003
  • Specialisation: Online Marketing, SEO, PPC
  • Website:
  • Phone Number: +44 1273 733433
  • Address: Plus X Innovation Hub, Lewes Rd, Brighton BN2 4GL, United Kingdom
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Impression is an award-winning SEO agency, helping businesses explore opportunities for organic growth. With offices in Nottingham and London, their passionate team of specialists are equipped to deliver outstanding results both in the UK and internationally. As the winner of the “SEO Agency of the Year” at the Global Digital Excellence Awards 2022, Impression is recognised for their high-performance services that align with your business objectives and marketing opportunities. With expertise including algorithm recovery, on-site content, and e-commerce, enterprise, and international SEO, Impression stays at the forefront of Google algorithm updates and competitor activities. Their multi-dimensional method, collaborative client relationships, and wealth of experience ensure long-lasting, ROI-focused success.


  • Headquarters: Nottingham, UK
  • Founded: 2012
  • Specialisation: SEO, PPC, Digital Marketing, Digital PR
  • Website:
  • Phone Number: +44 1158 242 212
  • Email: [email protected]
  • Address: Fothergill House, 16 King Street, Nottingham, NG1 2AS
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Greenlight Digital

Greenlight Digital is more than just a tech SEO team; they offer industry-leading consultancy for all aspects of search engine optimisation. Their agile methods cater to individual client needs, providing migration support, content strategy advice, taxonomy reviews, and troubleshooting. Greenlight stays ahead of the curve by recognising the significance of user signals and incorporating conversion rate optimisation (CRO) and user experience (UX) into their SEO proposition. The agency’s services include technical audits, backlink analysis, content audits, and global SEO methods.

With a diverse team of experts from various backgrounds, Greenlight fosters an environment of learning, collaboration, and innovation. Their unique “tech jams” provide clients with extensive insights, and their clientele ranges from local start-ups to multinational enterprises, including GHD, New Balance, and Laura Ashley.


  • Headquarters: London, UK
  • Founded: 2001
  • Specialisation: SEO, Paid Media, Online Advertising, Social Media 
  • Website:
  • Phone Number: +44 20 7253 7000
  • Email: [email protected]
  • Address: The Varnish Works, 3 Bravingtons Walk, London N1 9AJ, United Kingdom
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Mediaworks combines the power of data and strategy with technology and creativity across all of their performance-driving services. Their data-driven SEO approach analyses opportunities throughout the conversion funnel, maximising search visibility and growth. With cutting-edge technology and machine-learning platforms, their technical SEO consultants uncover audience insights and ensure web platform compatibility. 

Mediaworks’ team combines creativity with SEO expertise to create and optimise authoritative content, driving organic visibility and engagement. They develop agile tactics aligned with commercial objectives, keeping clients ahead of the competition. With over 15 years of proven results and accomplishments, as well as serving over 500 businesses across various sectors and countries, Mediaworks delivers impactful SEO solutions.


  • Headquarters: Gateshead, UK
  • Founded: 2007
  • Specialisation: Online Marketing, SEO, Online PR
  • Website:
  • Phone Number: +44 330 108 6522
  • Address: Honeycomb, The Watermark, Gateshead, NE11 9SZ
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The SEO Works

The SEO Works is an award-winning UK marketing company with offices in Sheffield, London, and Leeds. Their expertise lies in helping businesses produce outstanding achievements and generate more customers through a full range of digital marketing services. With a portfolio of organic, digital PR, paid, and web services, they ensure your target audiences are reached wherever they are on the web. Their unique local SEO services are designed to maximise local Google search inquiries, giving your business an edge in the local marketplace. With measurable performance and a focus on trust and speed, The SEO Works has helped numerous clients gain over 30 new monthly inquiries. Experience their unique local SEO techniques and witness the positive impact on your business goals.


  • Headquarter: Sheffield, UK
  • Founded: 2008
  • Specialisation: SEO, E-Commerce Services, Internet Marketing
  • Website:
  • Phone Number: +44 800 292 2410
  • Email: [email protected]
  • Address: Fountain Precinct Balm Green, Sheffield City Centre, Sheffield S1 2JA, United Kingdom
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CEEK Marketing

CEEK Marketing is a strategic digital marketing agency specialising in search engine competitor targeting. Their experts navigate the complexities of technical SEO and competitor targeting to boost your online visibility. With a deep understanding of algorithm changes and keyword research, CEEK Marketing delivers solutions that drive revenue. The agency adheres to search engine guidelines and employs a long-term, content-focused blueprint for maximum ROI. As a Google Partner, the team leverages their knowledge to increase website traffic consistently, and their transparent approach includes educating clients and providing comprehensive research, planning, and reporting. Additionally, CEEK Marketing partners with brands to amplify their stories through targeted social media campaigns using OCMX methodology.


  • Headquarters: London, UK
  • Founded: 2016
  • Specialisation: Social Media Marketing, Influencer Marketing, SEO
  • Website:
  • Phone Number: +44 20 8610 7070
  • Email: [email protected]
  • Address: 4th Floor, 120 Charing Cross Rd, Greater, London WC2H 0JR, United Kingdom


In today’s competitive digital landscape, partnering with the right SEO company can significantly impact your website’s performance and online visibility. The top 14 SEO companies in the United Kingdom listed above offer a wide range of services to help businesses optimise their websites, drive organic traffic, and gain higher rankings in search engine results. Whether you’re looking for technical expertise, content optimisation, or strategic guidance, these industry-leading agencies have the knowledge and experience to deliver exceptional solutions. By choosing one of these reputable SEO companies, you can elevate your online presence and stay ahead of the competition.

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