In this post
- 1. Skale: Best for turning SEO into a revenue-generation channel
- 2. Discoverable: Best for small and medium-sized businesses
- 3. Seed: Best for sustainability-focused brands
- 4. Seeker: Best for a holistic SEO strategy
- 5. Impression: Best for data-driven SEO strategies
- 6. SEO Works: Best for digital PR
- 7. Vixen Digital: Best for content marketing strategy
- 8. Mentor Digital: Best for full-service digital strategy
- 9. Pinnacle Internet Marketing: Best for local SEO
- 10. Ninja Promo
- 11. SQ Digital: Best for SMEs aiming to scale
- 12. PN Digital: Best for SEO web design
- 13. Atomic Digital Marketing: Best for design-focused digital marketing and SEO
- 14. Studio 36 Digital: Best for SEO for eCommerce brands
- What actually makes an SEO agency worth your time?
- How to choose the best UK SEO agency (and avoid getting burned)
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SEO can offer an ROI of up to 12.2x*, making it a sustainable, reliable marketing channel that pays for itself, time and time again. But we know that there’s more to SEO than traffic, clicks and impressions.
It’s all about the numbers that really matter. Conversion- and revenue-focused metrics indicate whether your strategy is moving the needle for your business. That’s why you need to partner with an agency that sees organic search as a revenue engine rather than an expensive tool that simply boosts website traffic.
We’ve done the legwork for you and compiled a comprehensive list of the top SEO companies in the UK that will look past vanity metrics to drive real business growth.
| Agency | Location | Top services | Clutch rating | Pricing |
| Skale | London | Comprehensive SEO growth strategy, link building and outreach, expert-led content production | 4.9 | From £4,000/month |
| Discoverable | Kent | Technical SEO, content strategy, monthly reporting | 5 | From £499/month |
| Seed | Brighton | SEO strategy, eCommerce SEO, local and international SEO | Not available | Not available |
| Seeker | Bristol | Technical audits, SEO strategy, content optimisation | Not available | Not available |
| Impression | Nottingham, London, Manchester | SEO consultancy, technical SEO, international SEO | 4.9 | Not available |
| The SEO Works | Sheffield, London, Leeds | Digital PR, content marketing, local SEO | 4.8 | From £2,000/month |
| Vixen Digital | Brighton | Technical SEO, keyword research, SEO copywriting | 5 | From £1,300/month |
| Mentor Digital | London, Bristol | Website migrations, content strategy, link building and outreach | 4.9 | Not available |
| Pinnacle Internet Marketing | Cardiff | Local SEO, Google Business Profile, free SEO audit | 4.8 | From £395/month |
| NinjaPromo | Offices in London | Technical audits, industry-specific SEO, link building | 4.9 | From £2,000/month |
| SQ Digital | Lancashire | Free SEO audit, keyword map, tailored SEO plan | Not available | Not available |
| PN Digital | London | SEO web design, SEO audit, keyword research | 5 | Not available |
| Atomic Digital Marketing | Cheshire, Hampshire | SEO migration services, page speed optimisation, international and local SEO | 4.9 | Not available |
| Studio 36 Digital | Blackpool | eCommerce and Shopify SEO, competitor analysis, monthly reports | 4.8 | From £199+VAT/month |
1. Skale: Best for turning SEO into a revenue-generation channel
Source
Skale helps SaaS brands drive exponential growth through a scalable SEO Revenue Engine Framework.
Location: London, UK
Why they’re great:
Skale is a leading SEO agency in the UK with a Revenue Engine Framework that focuses on hitting real conversion metrics — like SQLs, MRR and product signups — rather than vanity metrics like traffic and keyword rankings.
We’ve created winning SEO strategies for scores of clients based in the UK or looking to grow in the region. For example, our expert strategy and consulting services helped leading AI resume builder Rezi increase revenue by 86.18%, sign-ups by 243.18% and non-branded clicks by 292.36%.
Our team of experts across growth SEO, on-page SEO, technical SEO and outreach takes a holistic approach to SEO: to help brands fill their ARR gap fast.
And after driving impact for multiple brands with these services, we launched SEO content writing services to help you leave no stone unturned in building your SEO engine and create a killer end-to-end SEO content pipeline.
From helping brands outperform their competition to 8.5x’ing organic product signups year-on-year, as we did for the customer research mavens at Attest, Skale drives measurable results for clients in the UK and beyond.
Recognizable clients: Aircall, Attest, Hubspot, Synthesia, TravelPerk, Usercentrics
Industries: SaaS, B2B, fintech
Pricing: SEO services start at £4,000/month, depending on the scope of work and SEO needs
Top SEO services:
- Comprehensive SEO growth strategy with the option of implementation
- Link building and outreach services that generate real impact
- Expert-led SEO content production that drives pipeline and MRR
We value revenue, not traffic
If you're interested in revenue growth over vanity metrics, get in touch.
Book an intro call2. Discoverable: Best for small and medium-sized businesses
Discoverable offers SEO tailored for small and medium-sized businesses in the UK and focuses on driving sales and leads over chasing clicks and impressions.
Location: Kent, UK Why they’re great:
The Discoverable team brings a combined 40 years of experience in SEO, PPC and analytics to develop holistic digital marketing strategies for SMEs. The agency takes pride in its transparent, partnership-led approach and its focus on improving your bottom line.
Customers note not only jumps in rankings and CTR, but also improvements in revenue and CAC. For example, the agency helped sneaker marketplace Laced boost rankings while increasing revenue at a much lower CPA.
Recognizable clients: COOK, Cutter & Squidge, Laced, Remland Carpets
Industries: eCommerce, food, sports, technology, travel
Pricing: SEO services start at £499/month
Top SEO services:
- Technical SEO audits, improvements and maintenance
- Comprehensive content strategy with keyword research and execution
- Monthly reporting with performance tracking and analysis
”We’ve seen a huge leap in online sales — up about 120% from when they started — and we’re spending less now than before. Our real costs have come down but the return has more than doubled.”
— Trevor Ballard, Owner, Remland Carpets
3. Seed: Best for sustainability-focused brands
Seed is a certified B-Corp that’s committed to enhancing sustainability while growing businesses through SEO.
Location: Brighton, UK Why they’re great:
Seed’s team of 30+ marketers prioritise delivering measurable results. To ensure this, the agency offers outcome-based pricing rather than charging per hour or project.
At the same time, the agency takes environmental and social responsibilities seriously and is devoted to enhancing sustainability at Seed and the businesses they collaborate with.
For example, the team has worked with sustainability-focused brands like Ben Simpson Furniture and Horsham Coffee Roaster. The agency also pledges 6% of its net profits to charity and contributes to over 28 rewilding projects on a monthly basis.
Recognizable clients: Honest Burgers, it Luggage, University of Oxford Saïd Business School, Wob
Industries: eCommerce, education, food
Pricing: Not available
Top SEO services:
- SEO strategy with search query analysis, competitor audits and backlink reports
- eCommerce SEO services specifically designed for online retailers
- Both local and international SEO depending on your needs
“When we brought Seed in they started at less than zero and put a huge amount of work into sorting out our accounts and unpicking legacy complexity. They’re now an extended part of our team.”
— Iain Harper, Head of Digital, Oxford Säid Business School
4. Seeker: Best for a holistic SEO strategy
Seeker leverages SEO as part of a hybrid and holistic organic marketing strategy to maximise long-term growth.
Location: Bristol, UK Why they’re great:
Seeker Digital is a full-service SEO company in the UK specializing in outreach, link building, onsite content and technical SEO.
They offer an organic traffic appraisal to help you discover your SEO deficiencies and follow a hybrid approach of overlapping one or more services, including digital PR and AI SEO, to deliver the best possible results.
Shopify, for example, turned to Seeker to build backlinks (over 1,600 to be exact) and saw a 434% increase in ranking keywords. And the agency paired link building and digital PR to secure over 200 pieces of coverage and boost DR by seven points for Jobseeker.
Recognizable clients: Jobseeker, Preply, Remote, Shopify
Industries: eCommerce, high-compliance sectors, SaaS, travel & leisure
Pricing: Not available
Top SEO services:
- Technical audit and assessment
- Tailored SEO strategy and roadmap development
- On-page and off-page optimisation services for strengthening content
“Seeker’s campaigns take into consideration the value they will provide in all aspects, from the type of coverage to designing beautiful assets and making sure pages rank in the SERPs. This level of detail is to a high standard and something to be proud of.”
— Amy Harris, Digital PR Manager, Preply
5. Impression: Best for data-driven SEO strategies
Impression is a performance marketing agency that uses proprietary tools to create data-driven SEO strategies that drive results.
Location: Nottingham, UK (with offices in London and Manchester) Why they’re great:
The winner of various Global Agency Awards, Impression offers SEO consultancy and services along with a range of other digital marketing strategies, like paid media and digital PR.
Impression’s data-driven approach to SEO helps drive lasting growth. For example, the agency used Google’s natural language API demo to record entity salience scores when optimising content for the beauty brand Clarins. As a result, the site saw a growth in organic traffic, despite uncertainty communicated from eCommerce forecasts.
Recognizable clients: Cancer Research UK, Clarins, Norse Atlantic Airways, Wizz Air
Industries: B2B, eCommerce, fintech, SaaS
Pricing: Not available
Top SEO services:
- SEO consultancy and strategic insights and support
- Technical SEO with audits and ongoing analysis
- International SEO, including website domain restructuring and on-page optimisation
“When you begin to work with Impression, you understand why they’re an SEO industry leader. They are extremely knowledgeable and proactive in their approach. This has allowed us to achieve fantastic results in our first year.”
— James Kearsley, Global Website and SEO Manager, Tensar
6. SEO Works: Best for digital PR
This multi-faceted SEO and digital PR agency offers a range of services for strengthening domain authority and increasing sales.
Location: Sheffield, UK (with offices in London and Leeds) Why they’re great:
The SEO Works offers bespoke digital marketing services, including SEO, to help brands acquire more customers through their online channels. In addition to ROI-focused SEO strategies, the award-winning agency offers digital PR and content marketing services.
For example, The SEO Works helped Investingoal create 58 pieces of coverage and secure 150 links, resulting in a 100% increase in daily users. The agency has worked with brands and organisations across a variety of industries, from automotive and eCommerce to education and healthcare.
Recognizable clients: Decathlon, Just Eat, NHS, University of Birmingham
Industries: B2B, eCommerce, education, healthcare, manufacturing, professional services
Pricing: SEO services start at £2,000/month
Top SEO services:
- Digital PR for securing backlinks and strengthening domain authority
- Content marketing services including content creation, optimisation and promotion
- Local SEO powered by proprietary Local SEO Ballistics product
“Their attention to detail, passion and dedication are phenomenal. It’s easy to see why they are one of the leading businesses in the UK. They are capable of producing outstanding work at scale, without losing the personal touch.”
— Joshua Barnard, Group Marketing Manager, Lawrence David
7. Vixen Digital: Best for content marketing strategy
Vixen Digital is a Brighton-based digital marketing agency that offers varying levels of SEO and content support depending on your budget and needs.
Location: Brighton, UK Why they’re great:
Vixen Digital’s small but mighty team builds digital and content marketing strategies for a range of customers, from eCommerce brands to insurance companies.
The primary SEO services they offer include content planning, SEO strategy and reporting, but the agency also supports with paid media, email marketing and analytics.
The agency helped a new London-based university boost web traffic by 918% — leading to a 360.3% increase in student inquiries — through a tailored SEO content plan centered on blog content and highly relevant local keywords.
Recognizable clients: Dressipi, Lindt, VisionDirect, Visit Brighton
Industries: eCommerce, hospitality & leisure, information technology, manufacturing, professional services
Pricing: SEO services start at £1,300/month
Top SEO services:
- Technical SEO audits and fixes
- Keyword research with extensive competitor analysis
- SEO copywriting and content production to support your team
Generate revenue from data-driven SEO
We model your growth trajectory and prioritize projects based on business impact.
Schedule a call8. Mentor Digital: Best for full-service digital strategy
Mentor Digital is a full-service digital agency that provides a range of services, from SEO and web development to UX and graphic design.
Location: London and Bristol, UK Why they’re great:
Mentor Digital is an Umbraco Gold Partner, making it a good fit for companies who use this CMS. In addition to SEO and digital marketing, the agency has expertise in web development, branding, CRM integration, video and animation and more. If you’re looking o bring all your digital services under one roof, they’re one to consider.
For example, the agency delivered new websites for SPAR UK and Northern Ireland, carried out UX and user testing for the brand and provided technical SEO and on-site digital marketing support.
Recognizable clients: Guinness World Records, Spar, Tenpin, Vice
Industries: B2B, B2C, charities & NGOs, professional services, utilities
Pricing: Not available
Top SEO services:
- Link building and outreach services
- Website migration SEO support
- Content strategy including audit and content creation services
“Communication is consistent, responsive and fluid. Essentially an ‘always available’ approach has proven highly efficient and effective. Guidance and site development (works advised/required) suggestions and advice are transparent, critical and understandable. Project plans, WIPs and deadlines are effectively communicated, followed up and reported.”
— Andy Norris, Marketing Director, Ocean Property Services Group
9. Pinnacle Internet Marketing: Best for local SEO
Cardiff-based SEO agency Pinnacle Internet Marketing provides affordable SEO services for brands that want to boost their local SEO presence.
Location: Cardiff Why they’re great:
Pinnacle Internet Marketing offers custom SEO packages that range from local to international. If you need some support for local SEO on a limited budget, they have reasonable options.
For example, their Local Bronze plan comes in at less than £400 and includes eight hours of support per month to help you improve your Google Maps and Google Business Profile listings.
They also offer keyword research, on-page SEO support, content creation, technical optimisation and link building services.
Recognizable clients: Cardiff Metropolitan University, Cintec, Hoover, Redkite
Industries: B2B, B2C, charities & NGOs, education
Pricing: SEO services start at £395/month
Top SEO services:
- Local SEO, as well as national and international strategy
- Google Business Profile development and support
- Free SEO audit to determine opportunities for improvement
“I have a fairly strong understanding of SEO but I believe that Richard, Howard, Jacob and the team provide invaluable advice that not only helps us grow but also avoid pitfalls.”
— Steve Bowen, Managing Director, Strandek
10. Ninja Promo
Ninja Promo is a global SEO, digital marketing, branding and web development agency focused on the fintech and crypto industries.
Location: Offices in London, UK Why they’re great:
Ninja Promo is a fintech-focused marketing agency. While they also offer services to clients in different industries, they’ve worked with recognizable crypto and finance names like IronFX, KuCoin, Tozex and Ultron.
For example, the agency designed a GTM strategy for the personal finance marketplace Credible — which included SEO audits, keyword research and content optimization — to achieve over 250,000 new web visitors and 5,543 leads.
Recognizable clients: Bitcoin.com, Fantom, Revolut, Stripe
Industries: B2B, crypto, finance, healthcare, software, SaaS
Pricing: SEO services start at £2,000/month
Top SEO services:
- Industry-specific SEO for crypto and finance companies
- Technical audit and in-depth site analysis
- Link building and backlink outreach services
“NinjaPromo’s project management was impeccable. They consistently delivered items on time and efficiently addressed our needs, ensuring a smooth and successful collaboration… Their expertise and innovative strategies helped our company achieve remarkable success.”
— David Meikson, Crypto Marketing Leader, Binance
11. SQ Digital: Best for SMEs aiming to scale
Source
SQ Digital offers SEO and digital marketing campaigns for SMEs looking for cost-effective growth solutions.
Location: Lancashire, UK Why they’re great:
SQ Digital is a full-fledged digital marketing agency that offers cost-effective digital marketing solutions.
The agency takes a personalised approach to SEO and will evaluate the unique strengths and weaknesses of your site before creating a custom six-month roadmap that covers technical SEO, content creation and user experience improvements.
SQ Digital helped a family-run Lancaster jeweler drive organic traffic and position the brand on Google’s first page, while directing high-intent users to luxury product pages.
Recognizable clients: Forge, Gorilla Accountants, Papermill Direct, Roccia
Industries: manufacturing & engineering, construction, retail & hospitality, professional services
Pricing: Not available
Top services:
- Free SEO audit for in-depth insights
- Keyword map customised for your business and industry
- Tailored SEO plan which can include link building, content creation and technical fixes
“We have seen great results since working with SQ Digital. We are in stronger ranking positions for high search volume keywords which is increasing our organic sessions month on month.”
— Megan Davison, Digital Marketing Lead, Mazuma Mobile
12. PN Digital: Best for SEO web design
PN Digital is a growth-focused agency offering SEO-focused web design and other expert-led digital marketing services.
Location: London, UK Why they’re great:
London-based SEO agency PN Digital, which was voted the best SEO company by Clutch in 2023, provides core services like keyword research, link building and audits. They also offer SEO web design and development to round out your digital marketing strategy.
SEO-focused web development ensures your site is mobile-friendly, loads fast and is designed to be found by and rank high on search engines.
For example, the agency increased leads by 800% for a B2B SaaS brand; part of this strategy included an in-depth website review that analysed user behavior.
Recognizable clients: Harley Street Dermal, Merzouga Voyage, RE/MAX, SVP
Industries: eCommerce & retail, SaaS, professional services, travel & hospitality
Pricing: Not available
Top services:
- SEO web design to optimise organic reach
- SEO audit to identify weak points and opportunities
- Keyword research for strategic content creation and optimisation
“While the results of the campaign are of course the main thing, we were very impressed by the strategic approach they took to the campaign. I liked that when they also didn’t just do what we wanted and pushed back when they thought certain things wouldn’t work. They always have the benefit of our business in mind, and their communication has been fantastic from day one.”
– Juanjo Cabello, Manager, RE/MAX
13. Atomic Digital Marketing: Best for design-focused digital marketing and SEO
Atomic Digital Marketing is a full-service digital marketing agency providing SEO and design services to businesses in the UK and beyond.
Location: Cheshire and Hampshire, UK Why they’re great:
Atomic Digital Marketing offers a 360-degree service that combines all their digital marketing offerings — including web development, SEO and PPC — into one package tailored specifically for your business.
In addition to SEO, they specialise in various areas of design, from website and app to UX/UI and logo design. By combining their expertise in these two areas, the agency takes a holistic approach to optimising site performance.
For example, the team redesigned financial planning firm WardGoodman’s site and sitemap to improve the client experience and support lead generation.
Recognizable clients: AiN Group, BrandSpeak, Enbi Global, Wooflinks
Industries: eCommerce, education, food & beverage, healthcare, professional services
Pricing: Not available
Top services:
- SEO migration services for new domains, rebranding, or site redesigns
- Page speed optimisation to improve Google PageSpeed scores
- International and local SEO, depending on your needs
“Thanks to the efforts of the team, the launch of the superb new website led to SEO rankings improving and organic increases of 30% after only two months. The team’s workflow was extremely adaptable as they were able to apply changes to the project almost instantaneously.”
— Jason Kan, COO, CRCC Asia
14. Studio 36 Digital: Best for SEO for eCommerce brands
Studio 36 Digital is offers SEO, web design and digital marketing services tailored towards SMEs and eCommerce brands.
Location: Blackpool, UK Why they’re great:
Studio 36 Digital helps small and medium-sized brands improve their SEO presence with all-in-one packages that offer off-page, on-page and technical SEO. The agency also offers PPC and social media marketing services.
The team is especially experienced in boosting traffic and sales for digital retailers and offers tailored packages for eCommerce and Shopify SEO. These packages include services like in-depth keyword research, custom content strategy and competitor analysis.
Recognizable clients: Gin Glass Gifts, iSubC Diving Equipment, Ribble Technology Ltd
Industries: eCommerce, healthcare, manufacturing
Pricing: SEO services start at £199+VAT/month
Top services:
- eCommerce and Shopify SEO for boosting sales
- Competitor analysis for building out your custom SEO strategy
- Detailed monthly reports for insights into performance
What actually makes an SEO agency worth your time?
While most SEO agencies will claim to “not be like other agencies”, many offer similar services.
Here are some qualities to help you separate best from basic when looking for the top SEO company in the UK:
- Bespoke strategies: There’s no such thing as a one-size-fits-all approach to SEO (that works, anyway), so look for agencies that provide personalised plans for your business and your industry. More on that below.
- Holistic SEO services: A successful SEO strategy requires a range of efforts, from technical fixes and link building to on-page optimisation and content creation. Find a partner that can do it all.
- Industry expertise: If possible, work with a team that’s familiar with your industry, whether that’s SaaS, eCommerce, healthcare, or something else.
- Open, proactive communication: You want to work with a team that knows how to ask the right questions, keep you updated on progress and report on results.
- High customer retention and satisfaction: What customers say about an agency (and how long they stick around) says a lot about the quality of services offered. Look out for reviews and great customer success stories.
Ranking #1 doesn't guarantee SEO success...
That's why at Skale we prioritize high-value content that your audience is really looking for.
Schedule a callHow to choose the best UK SEO agency (and avoid getting burned)
With the above in mind, turn to your criteria. What tops your list? Is it package and pricing options? Or something more telling of the potential success your partnership will have?
Remember, SEO is an investment that pays off long term. And going with the SEO agency that offers the lowest quote may not get you the best results. We recommend focusing on the below.
Tip #1 Prioritise transparency
Reputable and results-driven SEO agencies are open about the processes and strategies they use. They should be able to provide timely progress of your campaigns and share data on your KPIs, be that MQLs, SQLs or another key metric.
Find out how they’ll keep you in the loop and what reporting looks like. Will they share monthly or quarterly reports? And how will the team share progress on projects and results if you request it at another time?
Tip #2 Read case studies and reviews
Review success stories to see how an agency’s customers talk about them. Most reputable agencies have a designated case studies section on their website explaining how they tackled a client’s SEO problem and the corresponding results.
However, remember the SEO agency chose to showcase these case studies, so they’ll understandably be biased. Turn to review sites like Clutch, GoodFirms and Trustpilot for unfiltered customer options.
Tip #3 Discuss timelines and expectations
Once you have a shortlist of SEO agencies, sign up for a sales call to discuss your needs, expectations and objectives. Share the ideal schedule and timeline of the initiatives you want to tackle, and be clear about your ideal outcomes — whether that’s increased SQLs and pipeline growth or a boost in annual revenue.
A good SEO agency will be honest, transparent and realistic with you about what they can achieve for you in a given amount of time. Promises to double MRR or 10x conversion rates after a month should be a red flag; SEO is a long-term investment.
Tip #4 Ask the right questions
A discovery call is an opportunity for you to ask about more than just timelines and goals. SERPs, algorithms and search habits are in constant flux, so you want an agency that’s on top of (or even better, ahead of) SEO trends. Ask about how the agency stays on top of Google algorithm changes, their thoughts on AI search and how they adjust SEO strategies accordingly and how they take into account the importance of Experience as a ranking factor when building out content.
Stop playing small: Level up with a UK SEO agency
SEO is a tough nut to crack when you lack a proper strategy. With the help of a UK SEO agency, you can outsource your SEO initiatives to a team of experts to start growing pipeline and increasing conversions from within the UK and globally.
Normally, working with an SEO agency is cheaper than hiring a full-time employee or employees. You can choose to outsource parts of it or your entire SEO operation, depending on your business goals.
Skale’s team of SEO experts build SEO Revenue Engines to help you turn your organic channel into a predictable growth machine to deliver tangible results as early as three months in.
Schedule a free call with Skale to discuss your SEO goals and strategy.
* How to Calculate SEO ROI (and Measure Your Investment), Terakeet
