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Top SEO Companies in London

SEO (Search Engine Optimization) is essentially the process of optimizing your website to get organic, or unpaid traffic from the search engine results page. When potential customers search for terms related to your business or brand in London, they will have a better chance of discovering your website and becoming a customer.

Succeeding at SEO takes effort and some expertise. You may need a local SEO company or SEO agency to improve your search engine ranking; there are hundreds of SEO agencies based in London that can help you with website optimization, backlinks, etc.

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Tips For Choosing The Right SEO Agency in London

Refer Agencies Past Performance:

Make sure that the company has hands-on experience in projects that are similar to your requirements and have authentic client reviews in their favor. This way you could learn more about the credibility of your potential vendor. People look at what your companies have done to determine if you can deliver. You should also do the same when choosing a SEO agency.

Find Out What Methods The Agency Plans To Use:

Make sure you find out which SEO techniques the agency would be using. Shortcuts used by the agency like paid links, keyword stuffing, and cloaking can lead search engines to demote your website. These techniques are called “Black Hat SEO” because they violate search engine rules. To get a better idea about the company’s capabilities, ask for case studies and references.

Effective Communication:

The vendor must be efficient enough to set up a few extra calls with you to have a better understanding of your work.  Communication gaps could leave a bunch of loopholes in your work due to insufficient understanding and lack of emotional intelligence.


List of Top 25 SEO Companies in London


1. Pearl Lemon:

Pearl Lemon is a multi-award-winning SEO, Lead Generation, Content and Sales Agency based in London but serving clients Worldwide. The firm actively helps businesses to grow online with its digital marketing techniques. Pearl Lemon has more than eight years of experience in the digital marketing industry.


Customers: EmergeOne, OAL, Elevano.

Specialties: SEO, Content Marketing, PPC.




2. Genie Crawl:

Genie Crawl is all about results. Its digital craftsmanship designed with your business needs in mind. Their small but dedicated team works synergistically to bring out the best in some of the industry’s most talented and creative individuals. With more than five years’​ experience in the industry, they have  been around long enough to understand exactly what they are  doing, without the burden of hanging onto antiquated and outdated methods and software.


Customers: Subway, Papa Johns, Racing Odds.

Specialties: SEO, PPC, Web Development.




3. CEEK:

CEEK is a strategic digital marketing agency that believes in the power of digital channels to increase revenue by utilizing their specialist in-house resources in social media management, web development, search engine marketing, paid targeting and influencer marketing. The firm has more than five years of experience in the digital marketing field.


Customers: The Savoy, Tinder, Small Beer.

Specialties: SEO, PPC, Social Media Marketing.




4. PNdigital:

PNdigital is a leading SEO services agency, with the tools and expertise to put your website ahead of the rest. Their main goal in business is to get you more visible, more traffic, and more clients. Their specialists have the expertise, experience and passion for the art of SEO to transform your rankings online, and help you achieve better results from your website.


Customers: Undisclosed.

Specialties: SEO, PPC.




5. Appetite Creative:

Appetite Creative is  a multi-award-winning creative technology studio with a passion to bring advertising to life, inspire others through creativity and innovation and deliver results. Digital Marketing specialists, offering innovative creative, website and advertising solutions across all devices and screens for clients such as Armani Hotels, Disney, Mercedes, DMA, Marriott, Emirates, Royal Bank of Scotland and Boylesports.


Customers: Mercedes, Emirates, Marriott.

Specialties: SEO, Web Development.




6. Herdl:

Herdl is a specialist SEO agency with an established global reputation for delivering outstanding results. With a highly skilled, data-driven team, they blend a complementary mix of research, analytics and creativity to produce successful campaigns that drive traffic and increase conversions. 


Customers:  Capita, AVIVA, McDonalds.

Specialties: SEO, PPC, Web Design.




7. Digivate:

Digivate is the new kind of digital agency reinventing personalisation at scale. From strangers to happy customers. All under one roof. Based in Covent Garden, London, they specialize in online marketing and have helped some of the UK’s most trusted brands grow their online presence. Their services include SEO, Paid Search, Paid Social, CRO, Data & Analytics, Content & E-mail.


Customers: Zeiss, Rubix, Bayer.

Specialties: SEO, Digital Strategy, Conversion Optimization.




8. Loud Mouth Media:

Loud Mouth Media is a multi-award winning performance marketing agency, with offices located in Belfast, Dublin, London & Glasgow. In 2022, they were ranked by Google as a Top 3% Agency in the UK, renewing their Google Premier Partner status. The Loud Mouth Media team specializes  in Digital Strategy, Search, SEO, Display Advertising, Video, Social Advertising, Ecommerce, and Performance Creative. 


Customers: Agnew Group, GT Omega.

Specialties: SEO, PPC, Digital Strategy. 




9. Dsgn One:

Dsgn One is a leading successful Web Design Agency and Digital Agency based in London and Bath. They have  been doing this for many years so their knowledge and experience helps them to understand how the internet can improve their clients online presence. They  help brands by creating web design, print and graphic design services all over the UK.


Customers: Thurston Group, JBS Lofts, Space Flower.

Specialties: SEO, Web Design.




10. Creative Brand Design:

Creative Brand Design  is  an award-winning London web design agency, specializing in bespoke website design & development. They have  made it their mission to cultivate interactive web experiences that excite and inspire. They work through a bespoke process from the start to the end of your project, ensuring 100% design satisfaction.


Customers: Genvid, Virtual IT, Everland.

Specialties: SEO, Web Design, Branding.




11. BOOST Design:

BOOST Design is a London based web design agency, specializing in bespoke website design, Web flow development and SEO. They have  made it their mission to turn your website into your business’s most valuable asset. They work through a customized process from the start to the end of your project, ensuring 100% customer satisfaction.


Customers: The Magnum, Reineta.

Specialties: SEO, Web Development.




12. Passionate Digital Agency:

Passionate Digital Agency  is a full-service digital agency specializing in providing design, development, marketing and hosting solutions for startups, SMEs and brick & mortar stores.  Having a website that reflects your company’s values, graphics that entice prospects and a digital marketing strategy that will build a loyal fan base are just some of the foundations that you have to lay to create a remarkable customer experience. That’s what they are here for, to help you lay this foundation to the highest standard without breaking the bank so you can focus on building the rest of the tower.


Customers: Hyre, Ordo, Primed.

Specialties: SEO, Web Design, Digital Strategy. 




13. Lucdigi:

Lucdigi is a digital marketing agency with offices in London, Istanbul and Dubai. Their digital marketing services support you to increase visibility, generate leads, convert leads to sales, and reduce customer churn. They help B2B software, IT, SaaS companies to develop an effective content-building strategy by simplifying the SEO, Blogging, Digital Marketing, and Social Media Marketing thanks to their pre-packaged offerings and create demand generation and pipeline acceleration for your IT business.


Customers: Maestro, Retable, Omreon.

Specialties: SEO, Content Marketing, Digital Strategy.




14. Sempeak:

Sempeak is a digital performance agency. Their aim is to identify and understand your target audience, engage them at the right moment and help you deliver a world-class brand adventure. They know Google, the largest and most influential power in the digital world.  The firm has more than ten years of experience in the digital marketing industry.


Customers: Bosch, Volvo, Forecr.

Specialties: SEO, PPC, Conversion Optimization.



15. Flycast Media:

Flycast Media helps businesses of all shapes and sizes get MORE business from the Internet using proven digital marketing techniques specializing in paid search and SEO. With decades of experience in the online marketing world working with UK businesses creating successful and profitable online marketing strategies.


Customers: CPS, ServerSpace, Imagine Group.

Specialties: SEO, PPC, Conversion Optimization.




16. SEOTonic:

SeoTonic Web Solution Private Limited is a leading search engine optimization and web development company in India with offices in India and Canada. Our main clients are from the US, UK, Spain, Canada, Mexico, Australia, New Zealand and Bermuda. The firm has more than fifteen years of experience in the digital marketing field.


Customers: GreenTech, DTDC.

Specialties: SEO, Content Marketing, Web Development.




17. Uplers:

Uplers is one of the largest, globally recognized agencies in the industry, empowering businesses across the globe to build a better digital ecosystem. Leading its clients from innovation to execution, Uplers is serving with top-notch quality services using its offshore remote team model, fixed price model as well as digital assets.


Customers: DHL, Airtasker, Ogilvy.

Specialties: SEO, Email Marketing.





SEOFIED is an  IT Company  providing services like Search Engine Optimization, e-Commerce & non-e-commerce ,Website Designing & Development, PPC, Social Media Optimization, Brand and Reputation Management to most of the US, UK & Australian based companies. They started their operation in the year of 2008 and successfully completed 8 years. Currently they are serving 500+ International clients with 100+ experienced digital professionals.


Customers: Navex, Auko Beauty, Ross.

Specialties: SEO, PPC, Brand Reputation Management.




19. Quick SEO Help:

Quick SEO Help is a top Online marketing agency, based in UK, India, Australia, Canada, USA. Established in 2017, they are a complete Internet and SEO Marketing company provider that consults and implements your entire web promotion strategy.  The firm has many years of experience in the digital marketing field.


Customers: KIA, Soulblue, Mitsubishi.

Specialties: SEO, Web Development, Digital Strategy.




20. Fat Fish Marketing:

Fat Fish Marketing is a data driven UK-based digital marketing agency. Their services primarily include Search Engine Optimization (SEO) and Website Design and Development. We also provide PPC Management and Social Media Marketing services. Their team is located in Northern Ireland and London.


Customers: PlantX, John England, Giesswein.

Specialties: SEO, PPC, Web Design.




21. Blue Array SEO:

Blue Array offers boutique SEO consultancy services, providing the boutique services of a consultancy with the scale of an agency. To learn more about how Blue Array can help you to discover your SEO advantage, please visit their website. They combine the individual attention you expect from a consultant with the scale you expect from an agency. 


Customers: Simply Business, RAC, Funding Circle.

Specialties: SEO, Web Development, Digital Strategy.




22. Discoverable:

Discoverable is  a digital marketing agency, based in Kent, delivering full service solutions across paid search, organic search, email and display. They  love nothing more than taking e-commerce businesses from average online revenue, to dominant forces in their industries. 


Customers: Laced, Remland, Cook Foods.

Specialties: SEO, PPC, Digital Strategy.




23. Yando Consulting:

Yando Consulting is a digital marketing agency based in London. They are a small, agile team of digital marketing talent. They bring you some of the most innovative and experienced brains in the digital marketing industry, without the bureaucracy or glacial pace of an agency. The firm has more than five years of experience in the digital marketing industry.


Customers: Black & Decker, Zoopla, Motorola.

Specialties: SEO, Digital Strategy, PPC.




24. Re:signal:

Re:signal is a fast-growing specialist SEO and content marketing agency, founded in 2012 with a team of 15 people based in London. Their vision is to be the SEO and content marketing agency for brands anticipating the future. They  have continued to grow from strength to strength, with significant new client wins and team hires.


Customers: Asics, Expedia, Oka.

Specialties: SEO, Content Marketing.




25. ClickSlice:

ClickSlice is an SEO agency in London that offers powerful SEO services to help businesses increase their online visibility and generate more enquiries from their website. Their SEO process is refined and tested to ensure the highest level of success across all industries. The firm has more than eight years of experience in the digital marketing industry.


Customers: Ceres, HUMAX, WOOBRO.

Specialties: SEO, Email Marketing, PPC.





We have compiled the list of top SEO companies in London based on user reviews, portfolio and track record. If you think we have missed out on a good SEO company, feel free to let us know.

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