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London’s 22 Fastest Growing SEM 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 22 SEM 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 SEM Companies & Startups (London)


Weaver.build

FoundersDan Hardiker, Edward Robertshaw, Gregory Keane, Linden Dover
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Weaver.build is a contractor marketplace for home renovations


Digital Marketing Agency CHANGES

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Digital marketing agency that served 11 companies from ForbesGlobal2000


Adapt Technologies

FoundersWade Blank
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Adapt Technologies is a managed cloud services provider and integrator, enabling customers’ digital evolution.


Zeo Agency

FoundersBurak Pehlivan, Mehmet Aktug, Yigit Konur
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Award winning SEO & digital marketing agency, and organizer of Digitalzone; largest digital marketing conference in Eastern Europe & MENA


GA Agency

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Boutique digital marketing agency


Wordbank LTD

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

We’re all about international marketing. Whatever the country, language or subject matter, we’ll help you connect with your global


AccuraCast

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

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


CrewNew.com – Freelancers’ Agency

FoundersKaspar L. Palgi
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Platform for project managers. Work with hand picked freelancers used to work together & managed by local PMs. Mostly European developers.


BlueGlass Interactive

FoundersPatrick C. Price
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

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


3B Digital

FoundersAlex Bremer
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

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


Digitalhound Ltd

FoundersDarryl Antonio, Gavin Tudball
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

SEO Agency London – Award-winning Digital Marketing Services worth shouting about…


Perfect Storm Media

FoundersTom Nabielec
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Pay-per-Sale Search Engine Marketing


dgm

FoundersLD Sharma
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Affiliate Network & Search Marketing


AffSub2

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

AffSub2 is a fast-growing network focused on credibility, efficiency and lifetime value.


Effective Inbound Marketing

FoundersAyodeji Onibalusi
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Digital PR, Content Marketing, and Marketing Strategy


Blowfish Digital

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

digital marketing services


MAX-e-BIZ

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

MAX-e-BIZ is a marketing agency that offers online competitive research, digital marketing, and consultancy services.


Advent Interactive

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Advent Interactive is a consultation firm that specializes in advice regarding the creation and management of international companies.


SEO Specialist UK

FoundersMarkus Jalmerot
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

SEO Specialist UK provides businesses marketing strategies for receiving more hits in search engines.


LevyColes

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

LevyColes creates clever marketing and growth campaigns that help its clients realize their company goals and their full potential.


Glide Design Services

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

Glide Design is a web design firm, makes custom, responsive WordPress websites complete with graphic design, SEO & SEM strategies.


Cheap SEO Services

FoundersUnknown
FollowWebsite, Crunchbase, Twitter, Facebook, Linkedin

We offer cheap SEO services to our clients. Primarily we target all kind of start-up, small and medium businesses and offer affordable SEO.

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