The 25 Best SEO Agencies in the UK (2025 Rankings)

You've probably stumbled across dozens of "best SEO agency" lists that all look suspiciously similar – generic descriptions, cherry-picked testimonials, and not much actual insight into what makes these agencies worth your time and money.

Here's what's different about this list: I've spent the last month properly researching the UK SEO market, speaking to business owners who've actually worked with these agencies, and digging into real results rather than just polished case studies. 

Because with over 89% of UK consumers using search engines to find products and services, and the UK's digital marketing industry expected to surpass £25 billion by 2025, choosing the right SEO agency can genuinely transform your business.

So let's talk about the 25 SEO agencies in the UK that consistently deliver results. The ones that don't just promise the moon but actually help businesses grow their organic traffic, rankings, and most importantly – revenue. ⬇️

The current state of SEO in the UK (it's evolving fast)

The UK SEO landscape in 2025 is changing at quite a pace.

Google processes 8.5 billion searches daily, with 63% happening on mobile devices. In the UK specifically, 46% of all Google searches have local intent, which means if you're not visible for local searches, you're missing nearly half your potential customers.

Here's what's particularly interesting: since Google's AI Overview launch, 63% of marketers have seen improvements in their organic traffic. While there's been quite a bit of concern about AI changing the search landscape, agencies who understand these shifts are actually seeing better results for their clients.

The numbers speak for themselves: SEO leads have a 14.6% close rate compared to 1.7% for outbound leads. SEO drives 1000%+ more traffic than organic social media. The agencies on this list understand these dynamics and know how to leverage them effectively.

How I’ve ranked the 25 best SEO agencies in the UK

Here's exactly how I put this list together:

Client results (40%): Verifiable case studies with actual numbers, not vague promises about "increasing visibility."

Industry recognition (25%): Awards from organisations that matter, not made-up accolades from websites nobody's heard of.

Specialisation depth (20%): Do they actually understand your industry, or are they just throwing generic SEO tactics at everything?

Pricing transparency (10%): Can you actually find out what they charge without enduring a 45-minute sales call?

Team expertise (5%): Are they hiring SEO specialists or just digital marketing generalists who "do a bit of SEO"?

The 25 best SEO agencies in the UK

For enterprise and large businesses

1. Found

📍 London & New York

💵 Premium tier – £10,000+ per month (enterprise-level investment)

👤 Enterprise-level team of 50+ specialists including strategists, growth partners, analysts, data scientists, and creatives


What makes them special 🫶Their trademarked Everysearch™ approach tackles SEO across all searchable platforms – from Google to TikTok, Amazon to Instagram, and even AI-driven search engines like ChatGPT. They understand that search in 2025 isn't just about Google. With consumers searching on multiple platforms, Found helps brands capture attention wherever their audience looks for answers.

Services:

  • Multi-platform SEO strategy and implementation

  • Traditional search engine optimisation

  • Social platform search optimisation (TikTok, Instagram, Pinterest)

  • AI search preparation and optimization

  • Enterprise SEO strategy development

  • Cross-platform content optimisation

  • Influencer marketing integration

  • Data and AI-powered marketing strategies

  • Digital PR and authority building 


Best for: Multi-platform SEO strategies for established brands wanting to dominate search everywhere

🏆 Rated one of the UK's most recommended agencies by The Drum, building one of the best places to work for wellbeing in the UK

2. SEO Works

📍 Sheffield, London, Leeds

💵 Mid to high-tier investment – £3,000-£8,000 per month

👤 80+ SEO experts and digital marketing specialists


What makes them special 🫶Proprietary in-house software that makes every aspect of SEO completely measurable. Every phone call, lead, and conversion is tracked and attributed. Award-winning agency with significant growth trajectory and proprietary tracking technology.

Services:

  •  Local SEO optimisation with geographic targeting

  • National SEO campaigns for scalable growth

  • Technical SEO audits and comprehensive fixes

  • Content marketing strategy and implementation

  • Advanced conversion tracking and attribution

  • Performance analytics and detailed reporting

  • ROI measurement and revenue attribution

  • Digital PR with SEO-focused link building

  • PPC campaign management (Google Premier Partner)

  • Website design and development

  • Paid social media marketing


Best for: Businesses wanting complete transparency and data-driven results with detailed ROI tracking

🏆 SEO Agency of the Year - UK Digital Growth Awards, Best B2C Marketing Campaign - Drum Search Awards, Marketing Effectiveness Winner - Summit International Awards, Excellence in Professional Services - Chambers of Commerce Awards, Global Integrated Search Agency of the Year 

3. Bird Marketing

📍 London, Essex, New York

💵 Premium tier – £4,000-£12,000 per month (varies by market complexity)

👤 Multi-disciplinary global team with specialists across technical, creative, and digital marketing departments


What makes them special 🫶Award-winning agency with focus on high-quality, performance-driven strategies. Over 10 years of experience with offices in major markets gives them unique insights into both local and international SEO challenges.

🌿Plus, all of their hosting infrastructure uses renewable energy sources, paperless offices, and annual supplier sustainability reviews

Services:

  • On-page SEO optimisation and technical implementation

  • Local SEO for multiple geographic markets

  • Technical SEO audits and comprehensive fixes

  • Strategic link building and outreach campaigns

  • International SEO for multi-market expansion

  • Cross-border SEO coordination and management

  • Website design and development with SEO integration

  • PPC campaign management and optimization

  • Social media marketing and paid social campaigns

  • Content creation and conversion rate optimization

  • E-commerce SEO specialisation 


Best for: International businesses needing proven results across multiple markets, especially companies expanding between UK, US, and Middle East markets

🏆 Clutch Top Full Service Digital Company 2024, Clutch Top International SEO 2024, Clutch Top Digital Agency Award, Good Firms Top Digital Agencies Award, Manifest Top Digital Agencies Award, DesignRush Best B2B Digital Marketing Agency Award, Top Interactive Agencies Award 

For B2B and SaaS companies

4. Gripped

📍 London

💵 £3,000-£7,000 per month (B2B SaaS specialist pricing)

👤 Dedicated team of B2B marketing specialists including strategists, content marketers, SEO experts, and growth consultants


What makes them special 🫶Focuses purely on B2B SaaS, Tech & IT brands. They actually understand your audience and search intent. Their content marketing, backlinks, and technical optimisation are built specifically for B2B sales cycles rather than generic SEO approaches. They obsess over how, where, and why B2B buyers make purchasing decisions, going beyond typical SEO tactics to position clients in front of audiences in unconventional places. Their strategies prioritize rapid routes to revenue while crafting comprehensive purchase journeys.

Services:

  • B2B SaaS SEO strategy and implementation

  • High-intent keyword targeting and research

  • Technical SEO audits and optimization

  • Audience analysis and buyer persona development

  • Conversion funnel optimization for SaaS metrics

  • Lead generation through search optimization

  • B2B-specific landing page optimization

  • Content marketing tailored to SaaS buying cycles

  • Account-based marketing (ABM) integration

  • Demand generation strategies

  • Sales enablement and pipeline optimization

  • Proprietary SEO management software with real-time insights 


Best for: B2B SaaS companies, tech firms, IT service providers seeking specialists who understand the unique challenges of B2B marketing, longer sales cycles, and the need to appeal to multiple decision-makers in buying groups

🏆 Consistently mentioned among top B2B SEO agencies in London, with expertise recognized by industry publications and peer agencies

5. Definition

📍 London

💵 £2,500-£6,000 per month (integrated PR and SEO approach)

👤 Multi-disciplinary team including ex-journalists, strategists, content writers, SEO experts

What makes them special 🫶Unique background in B2B PR means they have talented strategists, content writers, and SEO experts who understand how to increase organic search traffic ethically. Their PR background gives them advantages in building high-quality backlinks and brand mentions. Ethical, creative, and data-driven SEO that focuses on generating valuable inbound leads from businesses actively searching for solutions.

Services:

  • B2B SEO strategy and implementation

  • Content marketing and creation

  • Digital PR campaigns

  • Link building through PR

  • Brand positioning and messaging

  • Integrated communications strategy

  • Thought leadership content 


Best for: B2B companies wanting ethical, data-driven approaches that combine SEO with strong PR and content strategies

🏆 PRWeek Top 3 B2B PR Agency in UK, 50+ awards for PR, social media, SEO and strategy

6. Polaris

📍 Holborn, London

💵 £3,500-£8,000 per month (established B2B specialist rates)

👤 Experienced B2B marketing experts with deep industry knowledge


What makes them special 🫶Leading B2B SEO agency that helps eCommerce and B2B organisations boost website traffic and achieve higher organic market share through custom strategies. Focus on targeting right customer profiles and positioning businesses in front of target prospects at every step of the buyer journey

Services:

  • B2B SEO strategy development

  • Customer profiling and research

  • Content marketing campaigns

  • Digital PR and outreach

  • Technical SEO implementation

  • Conversion optimisation

  • Lead generation through search 


Best for: Established B2B companies, eCommerce businesses, manufacturers and wholesalers wanting proven expertise and tailored strategies. Particularly strong with B2B companies that have complex products or longer sales cycles.

For local and small businesses

7. Breakline Agency

📍 Guildford, London

💵 £1,500-£4,000 per month

👤 Under 49 in-house UK specialists, no outsourcing policy

What makes them special 🫶100% SEO focus with no outsourcing, ensuring direct communication and accountability. They specialise solely in search engine optimisation rather than being a general digital marketing agency. Personalised customer support, wide range of services, direct UK-based team communication.

Services:

  • On-page SEO optimisation

  • Technical SEO audits and fixes

  • Local SEO for UK businesses

  • eCommerce SEO strategies

  • Content marketing and creation

  • Digital PR for link building

  • SEO strategy and consulting

Best for: UK businesses wanting personalised service, direct accountability, and specialists who only do SEO

🏆 Most recommended SEO Agency by The Department for Business and Trade (out of over 300 companies), SEO Agency recommended by Ahrefs

8. Odyssey New Media

📍 Birmingham

💵 £1,000-£3,000 per month (value-focused pricing)

👤 Established team with combined in-house digital marketing knowledge spanning 30+ years


What makes them special 🫶Over 30 years of experience creating custom strategies for businesses of all sizes, with proven ability to help companies grow online presence in competitive markets. Custom strategies tailored to meet each client's unique needs rather than one-size-fits-all packages.

Services:

  • Advanced SEO auditing

  • Link building campaigns

  • Content development and strategy

  • On-page SEO optimisation

  • SEO link detox analysis

  • Link disavowal services

  • Technical SEO fixes 

Best for: Businesses of all sizes wanting experienced agency with proven track record and cost-effective solutions

🏆 Digital Agency of the Year 2019, Top Digital Marketing Agencies by Agency Spotter 2023

9. IgniteSEO

📍 London

💵 £1,200-£3,500 per month (London market specialist)

👤 SEO specialists who are experts in navigating Google algorithm changes


What makes them special 🫶Awarded #1 best SEO company in London due to process-driven methodology specifically designed for London market challenges and opportunities. Deep understanding of London's competitive market dynamics and proven framework for success in challenging local market conditions. 

Services:

  • eCommerce SEO optimisation

  • Local SEO services for London

  • National SEO campaigns

  • SEO consulting and strategy

  • White Label SEO services

  • Technical SEO implementation

  • Content optimisation 

Best for: London-based businesses wanting local market expertise and companies needing white-label SEO services

🏆 Awarded #1 best SEO company in London due to process-driven approach and proven framework tailored to London market challenges

For eCommerce businesses

10. AlphaMax Digital Services

📍 Luton

💵 £2,000-£5,000 per month (eCommerce specialist)

👤 Under 49 specialists in eCommerce and digital marketing


What makes them special 🫶Exclusively builds high-converting, custom online stores designed to rank on Google from day one. They specialize in creating bespoke eCommerce solutions with Shopify alternatives that are fully customized, cost-effective, and allow businesses to reduce monthly fees while maintaining control over their platform.

Services:

  • eCommerce SEO strategy and implementation

  • Custom online store development and design

  • Product page optimization for conversions

  • Category page SEO and navigation improvement

  • Technical eCommerce SEO and site architecture

  • Conversion rate optimization (CRO)

  • Search-optimized site architecture development

  • Mobile-first eCommerce design

  • Advanced functionality integration

  • AI and voice search optimization

  • Shopify alternatives with cost savings

  • User experience (UX) optimization 


Best for: eCommerce businesses wanting stores that both convert visitors and rank highly in search results, particularly those seeking alternatives to expensive monthly platform fees

11. TLMT®

📍 Colchester

💵 Bespoke ROI-focused pricing (no fixed packages)

👤 In-house team of SEO specialists led by Head of Search Jack Alderton (10+ years expertise)


What makes them special These guys have a really unique approach with proprietary ROI pricing calculator constructed from over 10 years of experience, strategies, and performance data. They don't work on standard retainers or fixed pricing packages - every investment is precisely tailored using their unique calculator to ensure maximum ROI.

Services:

  • Results-driven SEO campaigns with quarterly targets

  • ROI-focused strategy development and implementation

  • Performance-based optimization with measurable outcomes

  • Lead generation through targeted search strategies

  • Technical SEO audits and implementation

  • Local SEO for geographic market domination

  • Custom campaign development and strategy

  • Data-driven approach with regular performance analysis

  • Revenue-focused SEO with conversion optimization

  • Integrated marketing solutions combining SEO with other channels

  • Content marketing and digital PR integration

  • Social media strategy integration


Best for: UK businesses wanting results-driven campaigns with transparent ROI measurement, companies seeking honest and straight-talking partners focused on delivering healthy returns on investment

For very technical SEO needs

12. Figment Agency

📍 London

💵 £2,500-£6,000 per month (technical specialist rates)

👤 Small family-run specialist team including founders Steve and Emma, plus UX design, client relations, and content specialists with decades of combined experience.

What makes them special 🫶Unique blend of technical SEO expertise and creative innovation

Services:

  • Technical SEO audits

  • Website architecture optimisation

  • Core Web Vitals improvement

  • Schema markup implementation

  • Site speed optimisation

  • Mobile-first indexing preparation

  • Advanced technical troubleshooting 


Best for: Businesses needing complex technical SEO challenges solved

🏆 UK Search Awards Winners 2022, UK Search Awards Finalists 2023 (shortlisted again)

13. Maratopia

📍 Huddersfield, Leeds, London

💵 £1,800-£4,500 per month (comprehensive search marketing)

👤 Eclectic group of technical SEO experts, content creators, data analysts, PPC specialists, digital PR experts, and dedicated account managers


What makes them special 🫶Comprehensive search marketing agency excelling in bespoke projects across industries

Services:

  • Custom SEO project development and strategy

  • Multi-faceted search marketing campaigns

  • Industry-specific optimization across diverse sectors

  • Local, regional, national, and international targeting

  • PPC and paid search management

  • Content marketing and copywriting services

  • Social media marketing campaigns

  • Digital PR and outreach campaigns

  • Website development and e-commerce solutions

  • SEO consultancy and auditing services

  • Technical SEO implementation

  • International SEO with native translation services


Best for: Complex, multi-faceted SEO projects requiring custom solutions across various industries including e-commerce, education, healthcare, manufacturing, and professional services

🏆 Client testimonials show 7,000+ ranking search terms with 1,000+ top 10 positions, number 2 Google positions (working toward #1), substantial revenue increases after website redesigns

For content and digital PR

14. Digitilize Web

📍 Manchester

💵 £1,500-£4,000 per month

👤 Under 49 specialists in web design, development, and digital marketing

What makes them special 🫶They specialize in creating custom solutions with cutting-edge approaches rather than cookie-cutter methods. Each project receives a unique tone and strategy communicated across various mediums.

Services:

  • Cutting-edge SEO approaches and implementation

  • Technology-driven optimization strategies

  • Innovation-focused digital marketing

  • Startup SEO solutions and growth strategies

  • Enterprise-level SEO implementations

  • Future-focused SEO techniques and methodologies

  • Tech-savvy content creation and optimization

  • Custom web design and development

  • Mobile application development

  • eCommerce and marketplace solutions

  • Blockchain and SaaS platform development


Best for: Innovative companies wanting cutting-edge SEO approaches, tech startups needing scalable solutions, enterprises requiring custom digital transformation

15. LOCALiQ

📍 Newport, London

💵 £1,200-£3,000 per month

👤 Award-winning team including client success managers, content writers, technical analysts, videographers, and PPC specialists

What makes them special 🫶They’re the UK's second-largest local media company with exclusive support from network of 200+ trusted news brands. They combine local media expertise with cutting-edge SEO technology, including UK-first Cross Media Optimisation platform and exclusive Client Centre reporting technology.

Services:

  • Local SEO optimization and Google Business Profile management

  • Google Maps optimization and local listings

  • Local keyword research and geographic targeting

  • Citation building and NAP consistency

  • Local content creation and strategy

  • Digital PR and link building through media network

  • Multi-channel digital marketing integration

  • SEO audit and technical analysis

  • On-page, off-page, and technical SEO

  • Video marketing and content creation

  • PPC campaign management with budget optimization

  • Paid social advertising services

Best for: Local businesses wanting to dominate geographic search results, companies needing integrated online and offline marketing, SMEs seeking comprehensive digital marketing with local expertise

🏆 Large SEO Agency of the Year 2024 - UK Agency Awards, Nominated for Best Integrated Campaign, Best Local Campaign, and Integrated Search Agency of the Year, Multiple industry recognitions for maximizing customer success

For international businesses

16. SaphirSolution

📍 Bradford-on-Avon

💵 £2,000-£6,000 per month 

👤 60+ experts with multilingual capabilities


What makes them special 🫶Brands like Volvo and KPMG trust them for multilingual marketing solutions, demonstrating their capability to handle global brand requirements and complex international campaigns.

Services:

  • Multilingual SEO strategies and implementation

  • International market expansion and optimization

  • Cross-border SEO coordination and management

  • Cultural adaptation of content and messaging

  • Global keyword research and analysis

  • International link building campaigns

  • Multi-country campaign management and oversight

  • Cross-cultural digital marketing strategies

  • Global brand positioning and visibility

  • International technical SEO implementation

Best for: Businesses needing to grow across borders with multilingual SEO expertise, international brands requiring cultural adaptation, companies expanding into new geographic markets

🏆 Agenturtipp.de recognition for SEO expertise

17. Varn

📍 Bradford-on-Avon

💵 £2,500-£7,000 per month

👤 Under 49 specialists described as "eclectic group of technical SEO experts, mathematicians, data analysts, content creators and digital PR specialists"


What makes them special 🫶Drive visibility, website rankings & revenue growth with SEO, AI search & data expertise

Services:

  • SEO strategy and implementation

  • AI search optimisation

  • Data-driven insights

  • Revenue growth focus

  • Advanced analytics

  • AI-powered content strategies

  • Future-ready SEO approaches

Best for: Businesses wanting integrated SEO and AI search strategies

🏆 Top 15 digital marketing SEO Agency by DesignRush, Highly Commended at the British Business Excellence Awards 2024 (Small Business of the Year), PM Society Digital Awards – Gold Award (Varn Health team), Business Services Award at The Bath Life Awards 2025, Shortlisted for The Drum Search Awards 2016 (Best PR and SEO campaign)

For comprehensive digital marketing

18. SQ Digital

📍 Lancaster

💵 £1,000-£3,500 per month (comprehensive service with cost-effective approach)

👤 Family-run business with Managing Director Kamal Essa (joined 2016), among the first SEO agencies to open in the UK

What makes them special 🫶Among the first SEO agencies established in the UK with 25 years of experience, consistently delivering high-quality digital marketing solutions to SMEs across Europe. They maintain long-term relationships with clients from their very beginning, demonstrating sustained impact and performance.

Services:

  • SEO strategy and implementation

  • Social media marketing and management

  • PPC campaign management and optimization

  • Web design and development

  • Integrated digital marketing strategies

  • Multi-channel optimization and coordination

  • Performance tracking and analytics

  • Email marketing campaigns

  • Content marketing and strategy

  • Conversion rate optimization

  • Local and national SEO campaigns

Best for: Small to medium enterprises wanting comprehensive digital marketing with cost-effective solutions, businesses seeking long-term partnerships with proven track record

🏆 RAR Digital Awards winner (3 awards based on client feedback), Prolific North Top 50 Digital Agencies (5 consecutive years), Shortlisted for Best Large SEO Agency - European Search Awards, Best Integrated Campaign - Northern Digital Awards, Best Content Team nomination by Prolific North, Several industry awards recognizing cost-effective solutions

19. NinjaPromo

📍 UK operations with global reach

💵  £2,000-£5,000 per month

👤 Fully remote team with 100+ marketing experts from around the world

What makes them special 🫶Industry-specific expertise, particularly excelling in highly competitive industries like crypto, fintech, and emerging technology sectors where traditional marketing approaches often fall short.

Services:

  • Organic marketing analytics and performance tracking

  • Strategic link building for competitive industries

  • Specialized content creation for niche markets

  • Social media amplification and engagement

  • Industry-specific SEO strategies and implementation

  • Competitive analysis and market positioning

  • Niche market targeting and audience development

  • Advanced SEO for emerging technologies

  • Reputation management in competitive sectors

  • Technical SEO for complex industry requirements

Best for: Businesses operating in highly competitive or specialized industries where generic SEO approaches are insufficient, companies in emerging technology sectors, businesses facing unique regulatory or market challenges

🏆 Best Fintech Marketing Agencies 2022, Best Crypto Marketing Agency Worldwide 2022, Top NFT & Crypto Marketing Agencies 2023, Best Web3 Marketing Agencies 2022, Top Social Media Agencies Worldwide 2022, Best Marketing Agencies for Fintech Companies 2022, Featured in Forbes, Over 6,325 LinkedIn followers

For data-driven approaches

20. Semetrical

📍 Central London

💵 £2,200-£5,500 per month


What makes them special 🫶Tailored strategies and data-backed solutions for long-term growth, combining cutting-edge technology with detailed analytical approaches to deliver measurable business results.

Services:

  • Industry-specific keyword research and analysis

  • Technical SEO audits with bespoke tools and methodologies

  • Data-driven strategy development and implementation

  • Advanced analytics implementation and tracking

  • Custom reporting solutions and dashboards

  • Performance optimization based on data insights

  • Long-term growth planning and strategic development

  • Conversion rate optimization through data analysis

  • Technical SEO problem-solving and troubleshooting

  • Advanced tracking and measurement implementation

Best for: Businesses wanting cutting-edge technology and detailed analysis, companies requiring sophisticated data-driven approaches, organizations needing custom analytical solutions

21. Believe.digital

📍 Bristol

💵 £1,800-£4,200 per month

What makes them special 🫶Customised execution with comprehensive technical, on-page, and off-page SEO strategies. They emphasize continuous monitoring and adaptive optimization based on real-time data and performance insights.

Services:

  • Technical SEO implementation and optimization

  • On-page SEO strategy and content optimization

  • Off-page SEO campaigns and link building

  • Continuous monitoring and performance tracking

  • Data-driven optimization and strategy adjustments

  • Adaptive strategy development based on results

  • Performance-based campaign adjustments

  • Multi-channel SEO integration

  • Conversion rate optimization

  • Custom SEO solution development


Best for: Businesses wanting adaptive, data-driven SEO strategies that evolve based on performance, companies requiring flexible approaches that adjust to market changes

For affordable SEO services

22. ClickPower™

📍 UK

💵 £800-£2,500 per month


What makes them special 🫶Clear SEO plans combined with Google PPC campaigns and advanced reporting systems, providing transparent campaign tracking and cost-effective solutions for SMEs.

Services:

  • Organic SEO optimization and strategy

  • Google Ads management and PPC campaigns

  • Local SEO optimization for geographic targeting

  • Advanced reporting and analytics dashboards

  • Transparent campaign tracking and measurement

  • Multi-channel digital marketing approach

  • Cost-effective integrated solutions

  • Performance monitoring and optimization

  • Conversion tracking and analysis

  • ROI-focused campaign management


Best for: Small to medium businesses wanting comprehensive digital marketing with transparent reporting, companies seeking cost-effective solutions without compromising on quality

🏆 Google Partner status, Semrush Agency Partner

23. Bulldog Digital Media

📍 London

💵 £1,000-£3,000 per month

👤 20+ members of staff with various specialties (digital marketing executives, graphic designers, etc.)


What makes them special 🫶Amazon SEO optimization expertise combined with comprehensive analysis capabilities, serving businesses selling across multiple eCommerce platforms.

Services:

  • SEO audits and comprehensive analysis

  • Strategic link building campaigns

  • SEO consulting and strategy services

  • Mobile optimization for eCommerce

  • Amazon SEO specialization and optimization

  • Multi-platform eCommerce SEO strategies

  • Comprehensive performance analysis and reporting

  • Product listing optimization

  • eCommerce conversion optimization

  • Cross-platform visibility strategies


Best for: eCommerce businesses selling on multiple platforms including Amazon, companies requiring specialized marketplace optimization, businesses needing comprehensive eCommerce

🏆 European Search Awards 2017: shortlisted (Best Small SEO Agency, Best Low Budget Campaign), The Drum Search Awards: finalist (Best B2B Campaign, Best B2C Campaign and Rising Star), UK Search Awards 2017: shortlisted (Best Small SEO Agency, Best SEO Campaign, Young Search Professional)

For specialised industries

24. Omnius

📍 London

💵 £2,500-£6,500 per month

What makes them special 🫶Smart market research combined with personalized keyword strategies and advanced tools specifically designed for B2B SaaS and Fintech sectors requiring sophisticated approaches.

Services:

  • B2B SaaS content marketing and strategy

  • Fintech SEO strategies and implementation

  • Advanced market research and analysis

  • Personalized keyword strategies for niche industries

  • Data analytics and insights for B2B metrics

  • Industry-specific optimization approaches

  • Global reach strategies for SaaS expansion

  • Complex B2B buyer journey optimization

  • Technical SEO for SaaS platforms

  • Fintech compliance-aware SEO strategies


Best for: SaaS and Fintech companies wanting specialist expertise and global reach, B2B tech companies requiring industry-specific approaches

25. SEO Discovery

📍 UK operations

💵 £1,500-£4,500 per month


What makes them special 🫶Avoids generic strategies, creates custom plans based on brand, industry, and competitors

Services:

  • Custom SEO strategy development

  • Brand-specific optimisation

  • Industry-tailored approaches

  • Competitor analysis and strategy

  • Measurable results tracking

  • Bespoke campaign creation

  • Long-term partnership approach


Best for: Businesses wanting experienced agency with proven track record and custom approach

What you need to know before hiring any SEO agency

Right, now you've seen the list. But before you start firing off emails, here's what you actually need to know about working with SEO agencies in the UK.

How much should an SEO agency cost?

The average UK SEO agency charges £86 per hour, with 24.9% accepting projects under £1,000. However, there's usually a pretty strong correlation between investment and results.

The agencies delivering substantial SEO results – the kind that genuinely impact business growth – typically charge between £2,000-£10,000+ per month. While this might seem like a significant investment, it's worth considering the potential mammoth return when you factor in increased organic traffic and conversions. 🙌

What a good agency should offer in 2025

The agencies on this list understand that SEO in 2025 isn't just about keywords anymore. With 91% of businesses saying SEO's making their marketing better, the agencies that deliver results focus on:

  • Mobile-first everything (63% of UK searches happen on mobile)

  • Local search optimisation (46% of searches have local intent)

  • AI and voice search preparation (40% of UK adults use voice search daily)

  • Technical excellence (because Google's getting pickier)

  • Content that actually answers questions (not keyword-stuffed nonsense)

Red flags to watch out for

After researching hundreds of agencies, here are the warning signs worth being aware of:

  • Guaranteed rankings (no one can guarantee specific Google rankings)

  • Unrealistic timelines (quality SEO typically takes 3-6 months to show meaningful results)

  • Suspiciously low pricing (under £1,000/month rarely delivers substantial results)

  • Lack of case studies (if they can't demonstrate results for others, it raises questions)

  • Questionable techniques (avoid agencies that use tactics that could result in penalties)

The best agencies are transparent about what they can achieve and realistic about timescales.

The bottom line

Right then. You've got the list. You understand the landscape. You know what to look for and what to avoid.

Now comes the hard part: actually making a decision.

My advice? Pick 3-5 agencies from this list that match your budget and specialisation needs. Send them the same brief. See how they respond.

The agency that asks the best questions, shows the most understanding of your business, and presents the clearest strategy? That's probably your winner.

Want copy that converts as well as your SEO strategy ranks? These agencies can get you found, but once visitors land on your site, your words need to work just as hard. Let's create website copy and content that turns those hard-won SEO visitors into actual customers.

Book a free, no-pressure consultation with me – because ranking is only half the battle. Converting is where the real money gets made.

Previous
Previous

How to Write Trauma-Informed Content: A Complete Guide

Next
Next

8 Tone of Voice Hacks for Thought Leadership Content