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London’s 101 Fastest Growing SEO Startups

At Best Startup London we track over 100,000 London based startups and over 500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and organisations we think deserve more appreciation than they are currently getting.

We’ve ranked the top 101 SEO companies in London. The companies, startups and institutions listed in this article are all exceptional companies, well worth a follow. We have included links to their websites, socials and CrunchBase (if you’re interested in their financials).

We selected the organisations listed in this article based on:

  • Track record
  • Executive leadership
  • Market share
  • Innovation
  • ESG rating

Our Data – We source our data from OSINT (open source intelligence) and public directories such as CrunchbaseSemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.

Top SEO Companies & Startups (London)


Ayima

FoundersMichael Jacobson, Mike Nott, Rob Kerry, Tim Webb
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Ayima is a specialist Search consultancy focused on ROI, data analysis and brand development.


MUSO

FoundersAndy Chatterley, Christopher Elkins
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MUSO is a software company that provides anti-piracy solutions for enterprises.


Pearl Lemon

FoundersDeepak Shukla
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An SEO and B2B Lead Generation Agency based in London and serving clients worldwide


Localistico

FoundersRicardo Varela
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Localistico is a local marketing and analytics platform for brick-and-mortar retailers.


DeepCrawl

FoundersChris Evans, Matt Jones, Michal Magdziarz
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The #1 technical SEO SaaS platform for enterprise businesses


Linkdex

FoundersMatt Roberts
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Linkdex offers a SaaS-based platform unifying search, social, PR and content channels.


Digital Marketing Agency CHANGES

FoundersUnknown
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Digital marketing agency that served 11 companies from ForbesGlobal2000


Croud

FoundersBen Knight, Luke Smith
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Croud is a digital marketing agency that provides services including SEO, PPC, content, programmatic, paid social, and analytics


Smallseotools.com

FoundersTausif Akram
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SmallSEOTools is a bundled collection of free PRO SEO tools like plagiarism checker, link tracker, keyword position, backlink checker, etc.


Ali Rasoul LTD

FoundersAli Rasoul
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An independent creative marketing agency committed to uncompromising visions working in the entertainment and corporate industries.


Found.

FoundersTina Judic
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Through Search, Social & Mobile.


Investis Digital

FoundersJustin Walters
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Investis Digital is a digital communication company that provides its clients with SaaS platform to manage their digital ecosystem.


Econsultancy

FoundersAshley Friedlein, Matthew O’Riordan
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Econsultancy publishes research, analysis and advice on digital marketing, social media, e-commerce, SEO, mobile and tech for businesses.


Fupping Media

FoundersHassan Ahmed, Nathaniel Fried
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We are a leading global digital publisher. We combine big data and open source intelligence with content marketing.


Web CEO

FoundersViktor Tatarov
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Web CEO is one of the top 5 developers of desktop and online SEO software for website optimization (according to a variety of independent


Greenlight Digital

FoundersAlicia Levy, Andreas Pouros, Warren Cowan
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Full service digital marketing agency


Distilled

FoundersWill Critchlow
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Distilled is a leading online marketing agency.


Absolute Digital Media

FoundersUnknown
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Absolute Digital Media is a multi award-winning full service digital marketing agency providing results driven campaigns across the globe.


Tangent

FoundersGreg Jackson, Oli Green
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Tangent uses product design, engineering, and optimization to address digital obstacles and create distinctive consumer experiences.


Netpeak Software

FoundersUnknown
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Netpeak Software develops tools for SEO specialists and webmasters, that help to solve day-to-day SEO tasks in easy and effective way.


Versoly

FoundersUnknown
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Versoly specializes in SAAS website development, CMS, forms, analytics, SEO, and a page builder.


Global Name Registry

FoundersUnknown
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Global Name Registry (GNR) is the license operator of .name, a global top-level domain (gTLD) for individuals, approved by the Internet


YouCan

FoundersUnknown
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YouCan is an integrated platform specialized in e-commerce.


Zeo Agency

FoundersBurak Pehlivan, Mehmet Aktug, Yigit Konur
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Award winning SEO & digital marketing agency, and organizer of Digitalzone; largest digital marketing conference in Eastern Europe & MENA


Foundit

FoundersUnknown
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Search marketing automation software that drives online traffic and revenue for large retailers and brands


TBG Digital

FoundersUnknown
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TBG Digital, a Facebook ad optimization platform, enable social network advertisers monitor and optimize global scale campaigns.


Vsourz Limited

FoundersUnknown
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Vsourz specializes in delivering comprehensive technology and design solutions to its wide spectrum of clients.


Webtures

FoundersKaan Gülten, Tolgahan Öz
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Webtures is a digital agency specialized in providing digital marketing, SEO, and social media marketing solutions to its customers.


Passion Digital

FoundersMike Grindy, Tom Katte
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Full Service Creative Digital Marketing Agency


205 Media LTD

FoundersUnknown
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205 Media is a creative agency that offers a range of personalized services to its clients.


Charlie Oscar Group

FoundersUnknown
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Charlie Oscar Group specializes in acquiring and create a digital brand, SEO Optimisation, paid media and influencer marketing services.


Squirrly

FoundersCălin Vingan, Florin Mureșan
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Insanely Great. Marketing Software. Over 6,455 SaaS subscriptions sold in over 90 Countries. Profitable.


GPMD

FoundersGregory Parmentier
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GPMD is a full service e-commerce agency that provides web development, SEO, and consulting services.


Qumin

FoundersUnknown
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Anglo-Chinese Digital Marketing Agency


Genese Solution

FoundersAnjani Phuyal
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As an official Cloud Consulting Provider of Amazon web services. We offer Cloud Consulting Services.


Solvid.

FoundersUnknown
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Solvid is a digital/online marketing agency who are specialists in Search Engine Optimisation(SEO),Paid Advertising and Website designing.


SUSO Digital

FoundersUnknown
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SUSO Digital develops targeted SEO strategies designed with eCommerce websites in mind through years of experience in the industry.


Figment Agency

FoundersUnknown
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Figment Agency is a web design and SEO agency.


Cheetah Conversions

FoundersMartina Heinzle, Naveed Ratansi
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Cheetah Conversions is a marketing agency focused on paid social, paid search, and paid marketing channels.


Whites Agency

FoundersUnknown
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Whites Agency provides content marketing and SEO services.


GA Agency

FoundersUnknown
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Boutique digital marketing agency


Digimax Derma

FoundersUnknown
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We are a facial aesthetic marketing agency in London with expertise in helping aesthetic practices stand out and grow throughout the UK.


Builtvisible

FoundersRichard Baxter
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We exist to deliver a measurable impact on the organic digital performance of the world’s most exciting brands.


Anika Digital

FoundersUnknown
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Anika Digital specialise in Web Design and Development, SEO service, PPC, Social Media Marketing services in London, UK.


GrowthRocks

FoundersUnknown
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GrowthRocks is a growth hacking marketing agency that helps startups and well-established companies achieve rapid and sustainable growth.


CEEK Marketing

FoundersCharlie Terry
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Digital Marketing & Social Media Consultancy


JIT Solutions

FoundersUnknown
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Digital Assets Company – creating, growing, securing anything online – SEO, CyberSec, PPC, Auditing, Business Intelligence


Locaria

FoundersUnknown
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Locaria is a digital media marketing company based in London.


AccuraCast

FoundersUnknown
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AccuraCast is a digital marketing agency based in London, UK.


Ecommand

FoundersChris Painter
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Ecommerce multivendor specialists


77agency

FoundersMarco Corsaro
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77Agency is an independent new media marketing agency that provides consultancy, campaign management and training services.


ClickDo

FoundersFernando Raymond
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ClickDo is an SEO Services Agency & Digital Marketing Company in London, UK. We also offer other services like Web Design Web Hosting, etc.


Thirty Seven

FoundersUnknown
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Thirty Seven is a content creation and web design agency that offers Web Design, Search Engine Optimisation, Social Media, & Online PR.


Virtualeap

FoundersDanny Smith
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Virtualeap is a virtual assistant helping businesses with social media & email marketing, blog management and web design.


Lilo Web Development

FoundersDeon Beckley
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Lilo is a world-renowned Web development company based in London, UK.


MediaVision

FoundersLouis Venter
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MediaVision is an award-winning integrated digital marketing agency.


Unique Digital

FoundersUnknown
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Unique Digital is a digital marketing agency with international scalability, audience focused and digitally led.


LimeTree

FoundersUnknown
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Innovative Digital Marketing Agency


MintTwist

FoundersAlexis Pratsides, Elliott King
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MintTwist is a website design and development company.


Sine Digital

FoundersUnknown
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Sine Digital offers social media advertising, SEO, web development, paid search advertising, market research, content & analytics services.


Catch Digital

FoundersUnknown
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We’re a digital agency based in London. Creative & geeky all at the same time.


MediaGroup Worldwide

FoundersUnknown
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MediaGroup Worldwide is a data-driven marketing agency focused on affluent audiences.


Design Direct UK

FoundersUnknown
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Creative Web Design & Digital Marketing Agency in UK


Brand Radiator

FoundersHimani Mishra, Shashidhar Rajan
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Brand Radiator is a team of gallant and fearless design technologists platform.


Clickstream Technologies

FoundersUnknown
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Clickstream Technologies is a tech company that automates all javascript tagging for websites without touching website code.


Go Up

FoundersUnknown
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Go Up is a leading multinational marketing quest and digital design agency, partnering with some of the biggest brands in the world.


Q-Online

FoundersQamar Rehman
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Digital markting agency in London, Lead Generation, PPC, SEO, social Media marketing, web development and design, local search marketing,


Social Media Marketing Ltd

FoundersKostas Alekoglu, Rita Taplatzidou
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Social Media is a digital agency based in London. We specialize in SEO, PPC and -of course- Social Media.


BlueGlass Interactive

FoundersPatrick C. Price
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BlueGlass Interactive is a digital marketing agency providing integrated SEO, content marketing, and paid search services.


Growth Rocket Apps

FoundersUnknown
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Growth Rocket Apps specializes in marketing strategy, branding, SEM, lead generation, SEO and video production.


Promote UK Limited

FoundersUnknown
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PromotionUK is known as one of the SME’s digital marketing firms, an accomplished team of designers, copywriters and so on.


Yando Consulting

FoundersUnknown
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Yando Consulting is a consultancy company that specializes in digital marketing services, including SEO, PPC and paid social.


ONQOR Group

FoundersJoe Kaul
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Marketing & Technology Agency


Online Reputation Management Services

FoundersUnknown
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As a top online reputation company, OnlineReputation.Services can fix any bad internet reputation problem.


SALT.agency

FoundersUnknown
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A truly bespoke UK based technical SEO agency.


Digivate

FoundersUnknown
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Digivate offers online digital marketing services in London


Elevate Digital

FoundersUnknown
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Elevate Digital is a digital marketing agency.


Tom & Co

FoundersTom McCaul
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Tom & Co develops Magento e-commerce sites and builds, monitors, and maintains them.


Wahoha

FoundersAlexander Lind, Jack Coveney, Martin Delaney
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Wahoha is a free content exchange service for online publishers that increases website traffic on a contextual basis.


Tamar

FoundersTanya Goodin
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Tamar is a marketing company that promotes its customers using a social media strategy.


DubSEO

FoundersUnknown
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DubSEO is a Leading SEO Services and Digital Marketing Company in London that delivers results in London.


Revenue Generation

FoundersUnknown
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Revenue Generation is an online marketing agency.


Ascendant

FoundersUnknown
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Ascendant is a specialist consultancy that helps businesses optimize for scale from venture development to turning ideas into successes.


Careful Feet Digital Marketing Agency

FoundersUnknown
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Careful Feet Digital Marketing Agency is a digital marketing service agency helping startups & small companies grow their digital footprint.


Click Here Digital

FoundersUnknown
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The Click Here Group is currently made up of Click Here Media & Click Here Digital – full service digital agencies for clients of all sizes.


Diffusion Digital

FoundersUnknown
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Diffusion Digital is a digital marketing and web development company offering performance marketing, content, and web production services.


RiskPoint

FoundersUnknown
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Riskpoint has been specialising in web-based applications and complex websites.


Curation Zone

FoundersRussell Glenister
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Curation Zone develops an online platform that analyzes and ranks creative talents.


Cresconnect

FoundersUnknown
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Cresconnect is a digital marketing agency that offering services like SEO, PPC, web design, social media management, content marketing etc.


EBS Digital

FoundersShamim Sarif
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Surrey SEO/Internet Marketing Agency


90 Digital

FoundersNick Garner
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90 Digital is a digital marketing agency that bases its approach on a core of search engine optimization.


AdType

FoundersUnknown
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AdType is a one-stop solution provider for a complete range of content & digital marketing, SEO, display advertising, and PPC services.


MARKETING LION

FoundersUnknown
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A high-tech digital marketing agency


Style Factory

FoundersChris Singleton
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Style Factory offers web development, SEO, and email marketing solutions for e-commerce and online stores.


Flow20.com

FoundersShirish Agarwal
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Flow20 is an Online Marketing Agency in London helping businesses like you grow via digital channels.


Verkeer

FoundersNick Wassink
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Digital Markating


3B Digital

FoundersAlex Bremer
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3B Digital is an online media agency that lists graphic design, social media, dynamic sites, SEO and digital marketing, as the focus.


Outreach Lab

FoundersUnknown
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SEO Services


Digitalhound Ltd

FoundersDarryl Antonio, Gavin Tudball
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SEO Agency London – Award-winning Digital Marketing Services worth shouting about…


Calibre

FoundersUnknown
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Calibre is a digital agency that provides services such as Digital Marketing, App Development, Commerce, WordPress and much more.


Speednames

FoundersMickey Beyer-Clausen, Nikolaj Nyholm
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Speednames is a domain website that helps with the name of company domain website and the organized of the website.

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