London’s 101 Fastest Growing Infrastructure 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 Infrastructure 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 Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.

Top Infrastructure Companies & Startups (London)

G.Network

G.Network is the next generation communications service provider exclusively focused on Central London.

Entrée Capital

Entrée Capital is a venture capital firm that funds multi-stage startups and companies all over the world.

CityFibre

CityFibre Infrastructure Holdings plc is the UK’s largest independent provider of fibre infrastructure in secondary cities

SPiCE VC

SPiCE is the first fully compliant (regulation wise) liquid venture capital fund.

Foresight Group

Foresight is an infrastructure and private equity investment manager that manages funds on behalf of institutions and retail clients.

Lenses.io

DataOps – A real-time applications and data operation portal

euNetworks Group

euNetworks is a Western European provider of bandwidth infrastructure services.

Visionable

Visionable combines next-generation video conferencing with unparalleled clinical imaging capabilities.

Thought Machine

Thought Machine is a Fintech company that builds cloud-native technology to revolutionize core banking.

Permutive

Permutive is an audience platform for advertisers and publishers to plan, build, and activate cohorts while keeping everyone’s data safe.

Eurostar International

Eurostar International is a high speed train that directly links the UK to France and Belgium via the channel tunnel.

Natterbox

Natterbox specializes in cloud based telephony – setting the trend in how businesses use voice to operate and communicate.

Setcoin Group

Setcoin Group is a private equity company makes ESG investments in commercial real estate, green buildings, renewable energy, infrastructure

Quix.ai

Data stream processing platform

Vaticle

Empowering engineers to solve complex problems – creators of TypeDB and TypeQL

Froxt

We create world-changing technology that improves the life of every person on the planet.

Chirp

Chirp uses existing speakers and microphones to enable frictionless M2M communication to seamlessly and securely transfer data via sound.

Pace Revenue

Pace is revolutionising revenue management with a suite of tools to deliver science, real-time and automation.

Ably Realtime

Ably is the platform to power synchronized digital experiences in realtime.

Inmarsat

Inmarsat is a tele communications company.

IHS Towers

IHS is a mobile telecommunications infrastructure provider.

Eaton

Eaton is a telecom tower company that has the most diversified geographical tower portfolio in Africa.

Strategic Blue

A tech-enabled Financial Services company optimising procurement of cloud services like AWS using commodity trading techniques.

OnApp

OnApp is a company that develops cloud management, CDN and storage software for service providers and enterprises.

Digger

Generates infrastructure for your code in your cloud account so you can build on AWS without having to learn it

IAG, Image Analysis Group

IAG, imaging expert company helps to accelerate novel drug development by using the right analytical tools and modern trial infrastructure.

Cyscale

Cloud Native – Automated Cloud Security – scalable Products and Services for Cloud Cybersecurity, DevSecOps and Cloud Security Management.

HeleCloud

HeleCloud provides strategic technology consultancy, engineering and managed cloud services on the AWS Platform

Helios Towers Africa

Helios Towers Africa has operations in Ghana, Tanzania, the Democratic Republic of Congo and a sister company in Nigeria.

London Stock Exchange Group

London Stock Exchange Group is an international market infrastructure that delivers a range of insights to its financial community.

NextUp

The home of stand-up, showcasing all the wonders of live comedy worldwide.

GlobalReach Technology Ltd

The most complete, scalable Wi-Fi authentication and provisioning platform.

Virtual1

UK-based cloud and connectivity service provider

Bigstep

Bigstep.com is a cloud provider dedicated to making professional analytics solutions accessible to companies of all sizes.

Urban Electric Networks

We’re building low impact charging infrastructure needed for the mass adoption of electric vehicles in cities and towns across the world.

Pushme

BatterySwap Infrastructure-as-a-service

Qatalog

The work hub for modern teams and knowledge workers.

Airex

Airex is a smart ventilation control that builds intelligent air ventilation units using atmospheric sensors and cloud algorithms.

Preqin

Preqin provides financial data and information on the alternative assets market.

ResponseiQ

Sales Acceleration and Conversion Optimisation Platform

Honeycomb Network

An innovative technology start-up developing smart charging and storage infrastructure for electric scooters.

Emerging Africa Infrastructure Fund

A Public Private Partnership (PPP) company.

SEDNA

SEDNA is an Intelligent Communications System that serves as the primary digital workspace for teams working on complex projects.

Element

Element builds secure, self-sovereign chat apps and collaboration solutions using the open Matrix protocol.

Next Fifteen Communications Group

Next Fifteen Communications Group is the digital communications group.

Amity

Amity powers in-app social experiences, helping developers to easily add pre-built social features to any app with a few lines of code.

WoraPay

WoraPay helps retailers to significantly increase sales whilst saving time for their clients: they order and self-checkout on mobile.

My Next Match

The ultimate tool for the sports federations to govern, including Medical Passports for the athletes, an MMS and online progression/grading

Electron

Electron is accelerating the energy industry’s transition to Net Zero by making granular, market-based interactions possible.

3i Group

3i is an international investment manager focused on mid-market Private Equity, Infrastructure & Debt Management.

StoryShare

StoryShare is a SaaS Mobile Employee Experience Platform.

Ori Industries

Ori is a global cloud to edge platform enabling modern businesses to manage and deploy workloads across any infrastructure

VENNCOMM

UK mobile tech start-up. Mission: Communication without Boundaries

viciniti

viciniti is an infrastructure software designed to help organizations run reliable and secure applications on-premise

infini Group

Infini delivers infrastructure services to governments, businesses, and intermediaries via its cloud-based grid architecture.

Cudo Ventures

Cudo Ventures is a provider of sustainable cloud computing and Tech4Good monetisation software live in over 145 countries.

BVNK

Headquartered in London, BVNK sets the global standards for digital asset financial services.

See Your Box

See Your Box is an IoT based B2B service which allows early detection of logistic issues happening to goods on their way to customers

FDM Group

FDM Group is a professional services provider with a focus on IT and business recruitment for graduates and veterans.

SA Systems

Advanced supply chain and distributed manufacturing technology company – initial focus on financial services.

PA Consulting Group

PA Consulting Group provides management consulting, IT consulting, and technology and innovation services.

Exante

EXANTE is a next generation investment company that aims to give its clients access to a broad range of financial instruments and markets.

Babelverse

Babelverse is the first and only human powered “universal translator.”

Point Topic

Point Topic provides broadband market intelligence solutions for their customers to make the best decisions possible.

Orkestro

Orkestro is changing the way goods are transported around cities.

YakCloud

YakCloud is an cloud-based phone service provider for businesses and individuals.

Content+Cloud

Content+Cloud provides secure technology solutions, services, and support with a focus on Microsoft 365, Azure, and Dynamics 365.

The Bot Platform

Empowering people to build a better employee experience using bots, digital assistants and automation tools.

Everynet

Everynet owns and operates Low Cost Internet of Things (IoT) networks.

Balfour Beatty

Balfour Beatty is an international infrastructure group that finances, develops, and maintains vital infrastructures that people depend on.

Total IT Global

Total IT Global is an IT infrastructure services provider that stays abreast in offering hardware and managed service solutions.

Telinet

Telinet is a provider of communications and IT infrastructure solutions.

E-Global Trade & Finance

E-Global Trade & Finance is a trading company that provides IT infrastructure solutions.

Solarcentury

Solarcentury develops, constructs, owns and operates utility-scale solar and smart technology across Europe, Latin America and Africa.

NTT

NTT is an IT firm that specializes in telecommunication, cybersecurity, cloud, ICT, research & development services..

Doordeck

Doordeck replaces traditional proximity cards with your smartphone.

OneShop

Embedded E-Commerce

PF Nexus

Renewable energy & infrastructure deal origination platform

Babcock International

Babcock International is a work-based learning provider that provides training programmes to learners nationwide.

Natilik

Natilik Is a Company That transforming business through the power of IT & Communications Technology.

CCE

Managed Service Provider based in the UK. Cloud, ISP, Managed Print Services, Service Desk, Hardware Support & Networking & IT consultancy.

Keller Group

Keller is providing solutions for ground engineering and foundation problems.

Arowana

Arowana is a B Corporation with operating enterprises in electric vehicles, renewable energy, road infrastructure, education and technology.

Spotware Systems

Spotware offers technology solutions that focus on electronic trading within money markets and foreign exchange.

Creative ITC

Creative deliver real-world IT infrastructure solutions for today, to take you where you need to go tomorrow.

Network Rail

Network Rail develops Britain’s rail tracks, signaling, bridges, tunnels, level crossings, and so on.

Axon

Axon is a software platform helping clinicians deliver the best evidence-based, standardised medical care.

Fusion Global Capital

Fusion Global Capital is a growth-equity firm investing in b2b technology.

PRgloo

PRGloo providing solutions within the PR and Communications space.

Cognito Media

Cognito Media is an integrated PR, marketing and communications agency.

Hanwha Phasor

Hanwha Phasor is a provider of antennas for satellite communications in flight, on land, and at sea.

John Laing Group

John Laing Group develops and operates privately financed public sector infrastructure projects.

Waterman Group

Waterman Group is a consultancy that provides sustainable solutions to the property, infrastructure, energy and environmental markets.

AirWalk Consulting Ltd

Business & IT Change Consultancy

Halcrow Group

Halcrow Group Limited was a multinational engineering consultancy company, based in the United Kingdom.

Krystal Hosting

Krystal Hosting Is an UK based web hosting company offering cPanel.

BECG (Built Environment Communications Group)

BECG (Built Environment Communications Group) is a specialist communications consultancy.

UPP Projects Ltd

UPP Projects Ltd is a company that provides on-campus residential and academic accommodation infrastructure.

PRS Geo-Technologies

Professional Reinforcement Solutions

Cloud Maker

Cloud Maker is a Visual DevOps platform that enables organisations to easily design and build scalable cloud solutions.

Workplace from Meta

Workplace is a communication tool that connects people in the company.