We Found the 15 Best London SEO Agencies for Every Budget

Quick summary

We reviewed 15 of the top SEO agencies in London to help you find one that actually delivers. Some top choices are Embarque, Skale, ClickSlice, and Figment Agency. Read on to compare services, client outcomes, and find the right partner for your growth.

Want to find the perfect London SEO agency for your business?

If your London business isn’t showing up on Google, you’re probably losing customers to competitors who are. That’s where the top SEO agencies in London come in.

London is full of SEO agencies that talk a big game. But finding one that actually fits your budget and delivers? That takes some digging. So we’ve done it for you. 

Whether you’re bootstrapped or scaling fast, we've rounded up 15 of the best SEO agencies in London, with clear results to show for it.

Why listen to us?

We’ve seen what good SEO does—and what bad SEO costs.

Embarque is a revenue-focused SEO agency for startups and fast-growing companies. We helped Instatus grow MRR by 833%, and BlueTally 147x their organic traffic in just a few months.

That’s the standard we used to build this list.

Why hire a London SEO agency?

They help you get found and grow faster

If your site isn’t showing up on Google, you’re probably losing business to someone else who is. A good agency can fix that by making sure the right people find you when they’re searching.

We helped BlueTally do just that—growing their high-intent organic traffic by 143x, and multiplying revenue by multiple folds.

They make your budget work harder

SEO keeps delivering long after the work’s done. It’s one of the most cost-effective ways to grow because it builds momentum over time. Once you’re ranking, traffic and leads come in without ongoing ad spend.

They know the London search game

A local agency gets how people search in the city. Whether you’re targeting customers in Shoreditch or Southwark, that kind of insight helps you rank where it counts.

15 Best London SEO agencies for every budget

1. Embarque

Embarque is a revenue-focused SEO agency that helps SaaS and tech startups grow through organic search. We’re based in London and work with clients across the globe who want to rank, get high-intent traffic, and turn that traffic into sales.

We build custom SEO strategies around your product, your positioning, and your goals. Our team focuses heavily on product product content-led growth, but we don’t treat SEO as a content factory. We look at your technical setup, your site architecture, your backlinks, and your existing content. Then we build a plan that prioritizes actions tied to business outcomes.

We also move fast. Most of our clients start seeing impact in the first few months. We’re transparent about what we’re doing, and we give you a clear breakdown of what’s working and what needs work. Whether you’re scaling a blog from scratch or cleaning up a site that’s been neglected for years, we approach SEO like a growth engine—not a checklist.

Key Services

• SEO content strategy and planning tailored to your product
• Product-led blog writing to capture high-intent traffic
• Content updates and republishing to boost rankings
• Landing page optimization for key pages
• Technical audits and SEO cleanup
• Link building with relevant, white-hat placements
• Internal linking strategies to pass authority and support conversions

Key Results

• Upscribe went from 450 to 1,800 monthly organic visits in under 6 months
• SignHouse grew from zero to 66,000 organic visits per month in half a year
• Cleanvoice increased MRR by 300 percent and reached 40,000 monthly visits
• 4 Day Week saw a 4x traffic boost in 3 months
• MentorCruise grew revenue 16x year over year through organic search

2. SEO Moves

SEO Moves is a UK-based SEO agency with roots in Wellingborough and a strong presence in London. Since 2015, they’ve focused on research-first strategies, digging deep into each client’s business model, target audience, and competitors before recommending anything.

What makes them stand out is how personalised and technical their approach is — they’re not just running audits, they’re building long-term search visibility from the ground up.

Key Services

• Full technical SEO audits and site health checks
• Keyword research and content optimization plans
• Link building and outreach
• Local and national SEO campaigns
• PPC and blog content support

Key Results

• Clients report major traffic jumps and better rankings across core keywords
• A home services business saw a dramatic rise in customer inquiries after working with SEO Moves
• One client credited the team for lifting their site’s visibility in a highly competitive niche

3. Rapid SEO London

Rapid SEO London is a specialist agency that’s all about speed and results. 

Based in the capital and operating since 2010, they focus on getting clients to Page 1 of Google fast — and keeping them there. They’re especially hands-on, giving clients frequent updates and clear reporting. Whether you're a local business or expanding nationally, they’ve got affordable packages (starting at £495/month) and a sharp focus on on-site SEO fixes that make an impact quickly.

Key Services

• On-page SEO and technical fixes
• Local SEO and Google Maps optimization
• National and international SEO campaigns
• PPC support to complement SEO efforts

Key Results

• Clients often see Page 1 rankings within months of starting
• A wedding services company reported 4× more inquiries after Rapid SEO’s campaign
• Month-over-month ranking improvements and lead generation boosts across multiple industries

4. Nice Digital Studio

Nice Digital Studio is a full-service digital agency based in London that combines web design, development, and SEO under one roof. 

Founded in 2019, they’ve built a solid reputation for creating websites that rank and are good looking. Their SEO process kicks off with a detailed audit, followed by technical fixes and tailored content strategies. Being both a dev and SEO shop means clients don’t have to chase multiple vendors to get results. 

Key Services

• Full technical SEO audits
• Keyword research and SEO-focused content creation
• On-page SEO including meta tags, structure, and internal linking
• Link building and blogging
• Google Ads management and web development

Key Results

• Clients report higher search rankings and increased site traffic within months
• One client saw a surge in inquiries after their website revamp and SEO rollout
• A Canadian organizing company significantly improved keyword visibility after audit-driven updates

5. Caveni Digital Solutions

Caveni is a US-based digital agency that’s popped up on a few London SEO shortlists — and for good reason. They offer a hybrid model that blends high-end web design with robust SEO services, all tailored to help brands stand out. 

While they’re best known for custom websites, Caveni’s SEO arm handles everything from technical audits to ongoing content strategies. They’re also one of the more media-recognised agencies around, with features in Forbes and The New York Times. 

Key Services

• SEO audits and technical site improvements
• Content creation and blogging strategies
• On-page SEO during development
• Link building and PR integration
• Web design, development, and branding

Key Results

• A full site rebuild and SEO campaign helped one IT firm gain major traction in search
• Small businesses saw stronger brand recognition and organic growth post-launch
• Clients credit Caveni with helping them compete against much larger players

6. Gripped

Gripped is a London-based SEO agency focused entirely on B2B SaaS and tech brands. They build full-funnel strategies that help clients generate qualified leads and traffic. 

Their work blends SEO, content, and conversion optimisation to make sure site visitors actually turn into pipeline. 

Key SEO Services

• SEO strategy and audits focused on B2B buyer intent
• On-page and technical SEO across high-priority pages
• Content marketing and keyword-focused blogging
• Website redesign and CRO to improve lead capture

Key Results

• Clients often see a big jump in organic traffic and inbound leads
• One SaaS client attributed pipeline growth directly to Gripped’s SEO and content strategy
• High-intent traffic leads to shorter sales cycles and better-qualified leads
• 4.9/5.0 Clutch rating with frequent praise for ROI and transparent reporting

7. Skale

Skale is an SEO agency built just for SaaS companies.

Their team is made up of former in-house SaaS marketers, which shows in how they approach SEO. Everything ties back to pipeline and MRR. They reate expert-led content and pair it with technical SEO and white-hat link building to drive real results

Key SEO Services

• Full-service SEO management built for SaaS growth
• Link building through genuine partnerships with high-authority sites
• Expert-led content strategy and long-form creation
• Technical SEO audits and conversion optimisation on key pages

Key Results

• One client reported $105,000 in new revenue and a 1029% ROI from Skale’s SEO campaign
• Another saw a 243% increase in organic traffic and top-3 rankings for core keywords
• Strong performance in competitive SaaS niches like AI tools and productivity software
• 4.9/5.0 Clutch rating, praised for measurable outcomes and SaaS-specific expertise

8. Directive

Directive is a performance marketing agency that works with some of the biggest B2B and SaaS brands in the world. Their London office is part of their big, distributed team. 

They use a strategy called “Customer Generation,” which means everything they do is based on understanding your buyer, creating content that speaks directly to them, and optimising your site to convert that traffic into leads and sales. 

Key SEO Services

• Enterprise SEO strategy and auditing
• Content creation that drives qualified pipeline
• On-page and technical SEO for large, complex sites
• Digital PR and link earning through content distribution

Key Results

• One client reduced cost-per-acquisition by 50% while growing SEO traffic by 15%
• Frequent success ranking B2B companies on Page 1 for competitive industry keywords
• Clients report large jumps in inbound leads and pipeline after campaigns
• Trusted by major enterprise brands like Cisco and Zoom (per past press coverage)

9. Figment Agency

Figment is a long-standing, family-run SEO agency based in Kingston upon Thames, London. 

What started as a web design business in 1999 has evolved into a trusted SEO partner for healthcare providers, law firms, and other service-based businesses. Their in-house framework, SearchRank360, simplifies the process into six clear steps. Clients love Figment’s personal touch, straightforward communication, and ability to turn rankings into steady, qualified leads.

Key SEO Services:

• Local SEO to improve map visibility and attract nearby customers
• Technical SEO maintenance and health checks for better crawling and indexing
• On-page SEO and keyword-focused content creation
• SEO for WordPress and Shopify sites
• Long-term SEO plans to maintain and grow rankings

Key Results:

• Helped a dental clinic double appointment bookings by ranking for high-intent treatment keywords
• Secured dozens of top-three rankings for a financial services client, boosting qualified consultations
• Improved visibility and lead flow for medical practices across London without the need for paid ads
• Delivered fast SEO wins for many local businesses with lasting impact

10. Pearl Lemon

Pearl Lemon is an award-winning SEO agency headquartered in London, best known for its transparency, speed, and hustle. 

Founded by Deepak Shukla, Pearl Lemon has built a name as one of the most process-driven and versatile SEO teams in the UK. They serve everyone from small local businesses to international e-commerce and SaaS brands. Their team is remote-first but always available, and their in-house training academy ensures everyone stays on top of SEO trends and updates.

Key SEO Services:

• Technical audits and fixes to improve crawlability and performance
• On-page SEO with deep keyword targeting and high-quality content
• Link building and digital PR campaigns to build authority
• Local SEO including GMB optimization and local citations
• Multilingual and international SEO for global businesses

Key Results:

• Increased a fintech company’s organic traffic by 2x in just 6 months
• Recovered a UK retail site from a Google penalty and hit record-breaking traffic
• Helped dozens of businesses get to Page 1 of Google for competitive keywords in under 3 months
• Drove 300% year-over-year traffic growth for a client through strategic on-page and off-page work

11. PN Digital

PN Digital is a London-based SEO agency with over a decade of experience helping businesses get found online and grow fast. 

PN Digital offers everything from SEO and PPC to content marketing. Their team also has deep experience with platforms like Shopify and WordPress, making them a go-to partner for e-commerce and service-based companies alike.

Key SEO Services:

• Technical SEO audits and site speed improvements
• On-page SEO and targeted keyword optimization
• Content marketing and SEO-focused blog writing
• Link building and digital PR for authority growth
• E-commerce SEO for platforms like Shopify and Magento

Key Results:

• Helped one client generate a 9.1× ROAS by combining SEO and PPC
• Drove a 61% year-over-year revenue boost through organic traffic
• Took a small business from no rankings to dominating local search within months
• Delivered multiple Page 1 rankings across core keywords for law and finance clients

12. Ignite SEO

Ignite SEO is one of the newer names in the London SEO scene, but it’s already made a serious impression. 

Founded in 2020 by Adam Collins, the agency runs on a clear mission: to deliver fast, tangible SEO results through a repeatable, structured process. They built their entire offering around a proprietary framework called the “SEO Success Framework,” which includes a detailed 86-point audit to kick things off. Despite being a young agency, Ignite SEO has picked up multiple accolades, including being ranked the top SEO agency in London in 2022/23 (in its category)..

Key Services:

• Local and national SEO
• Technical audits and content optimisation
• eCommerce SEO for platforms like Shopify and WooCommerce
• SEO consulting and white-label SEO for other agencies
• Ongoing video reporting and educational updates

Key Results:

• 243% increase in visitors for one client within a few months
• Moved key pages to Page 1 of Google, leading to steady new inquiries
• Helped a client reduce Google Ads spend by boosting organic traffic
• Consistently strong ROI from fixed-price packages starting around £1k/month

13. ClickSlice

ClickSlice has built a reputation as one of London’s go-to SEO agencies, especially for e-commerce brands.

They’re particularly good at Shopify SEO and their process is data-driven. Clients especially appreciate the frequent updates, plain-English reports, and honest communication. The agency has a long list of wins under its belt and backs it up with public case studies and a strong 5.0/5 Clutch rating.

Key Services:

• Full technical SEO and audits
• On-page SEO and content strategy
• Shopify SEO and eCommerce optimisation
• Link building campaigns
• Monthly reporting and performance tracking

Key Results:

• 72% increase in organic clicks and 61% jump in revenue for Eco Bike Co
• 10,000+ new keyword positions and 340% traffic growth for Questmoor Pharmacy
• Reduced PPC spend for multiple clients through improved organic rankings
• Increased organic traffic by over 240% for a client within months

14. Genie Crawl

Genie Crawl keeps things simple. It’s a smaller, boutique SEO agency based near London that offers flexible, no-contract SEO services. 

Clients pay month-to-month, which means Genie Crawl has to earn their business every single time—and they do. Their team is known for being highly responsive, often replying within hours, and for offering personalised SEO strategies without overcomplicating things. 

Key Services:

• On-page, technical, and off-page SEO
• Custom scripts and site performance improvements
• SEO for WordPress, Shopify, and custom websites
• PPC management and content marketing
• Optional design and web development support

Key Results:

• Increased bookings and visibility for hospitality businesses
• Helped a legal firm move from page 3 to page 1 for key terms
• Boosted organic traffic and enrolments for an education client
• Consistently delivers month-on-month gains in rankings and leads

15. Bird Marketing

Bird Marketing is a full-service digital agency with strong roots in SEO, web development, and design. 

Based in London, Essex, and Dubai, they’ve built a reputation for blending technical expertise with creative strategy. SEO accounts for the majority of their work—around 60%—and it’s clear they know what they’re doing. 

Key Services:

• Technical SEO audits and fixes
• On-page SEO and keyword alignment
• Content strategy and optimisation
• Link building through outreach and digital PR
• Local and eCommerce SEO
• Integrated support across SEO, web development, and PPC

Key Results:

• Helped brands like Sushi Samba and Twinings improve digital presence through SEO and design
• Clients report consistent Page 1 rankings and inbound leads after site redesigns and optimisation
• Significant ROI uplift from blending SEO with PPC data
• 5.0/5.0 average on Clutch with 60+ reviews citing responsive service and clear returns

Criteria to Consider When Choosing A London SEO Agency

Cost-effectiveness

Before anything else, get clear on your budget and what you expect in return. Think about contract length, how often you want reports, and whether you prefer working with a local team. If an agency can’t work within your deal-breakers, it’s probably not the right fit, no matter how good their pitch.

Social proof

Any agency can say they get results, but case studies actually show you. Look for proof of success with businesses like yours. 

At Embarque, for example, we built an SEO content strategy for SignHouse that took them from zero to 66,000 monthly visitors in just six months. That’s the kind of traction you want to see.

Experience and expertise

Years of experience aren’t everything, but they do count. An experienced agency is more likely to know what works… and what doesn’t. For instance, our team brings over 10 years of combined experience across SaaS, tech, and startup growth. We’ve seen the algorithm shifts, and we know how to adapt.

Client testimonials and reviews

Want the inside scoop on what it’s really like to work with an agency? Read the reviews. Good testimonials highlight things like communication, project management, and whether the team actually follows through. Look for consistent praise across different platforms — it’s a good sign they’re doing something right.

How Much Does It Cost to Hire a London SEO Agency?

SEO pricing in London can vary a lot depending on what you need. On average, most agencies charge anywhere from £800 to £5,000 per month. Smaller local campaigns might cost less, while larger, more competitive industries or national strategies tend to fall on the higher end. Some agencies also offer hourly rates (usually between £50 and £150/hour) or one-off project fees for audits or strategy setups.

If you're comparing quotes, keep in mind that cheaper doesn't always mean better — but expensive doesn't always mean best either. Here are a few factors that influence what you’ll pay:

Scope of Work

Are you after a one-time audit, or do you need full-service SEO with ongoing content, links, and tech fixes? Naturally, the more comprehensive the service, the more it’ll cost. A basic local SEO package is very different from a full-blown national campaign with CRO and link-building included.

Agency Reputation

Established agencies with strong case studies and consistent results typically charge more — and for good reason. You’re paying for proven experience, tested frameworks, and usually faster time to results. Newer or smaller agencies may be more affordable but might come with more trial and error.

Industry and Competition

Some niches are more competitive than others. Trying to rank in legal, finance, or SaaS? That’s going to cost more than ranking a local hair salon. Higher competition means more effort, more content, more links — and a higher budget to match.

Contract Structure

Are you signing up monthly, quarterly, or for a one-off service? Some agencies offer flexible, no-commitment pricing, while others discount longer contracts. Pay-as-you-go plans might seem low-risk, but long-term engagements often come with better strategic alignment (and sometimes better pricing too).

Ready to Choose an SEO Partner That Actually Delivers?

Finding the right SEO agency in London can feel overwhelming, but it doesn’t have to be. Whether you’re trying to grow traffic, bring in more leads, or finally get found on Google, it comes down to working with a team that understands your goals and knows how to deliver.

We’ve reviewed 15 solid options in this guide to help you make the right call. But if you'd rather skip the trial and error...

At Embarque, we partner with SaaS companies and startups to build SEO strategies that drive real business growth. If you're ready to stop guessing and start scaling, reach out to us. We'll make SEO one less thing to worry about.

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