London’s 101 Fastest Growing SaaS 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 SaaS 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 SaaS Companies & Startups (London)

Beamery

Beamery is a talent acquisition, engagement, and retention platform that manages sourcing, hiring, and retaining of people.

Cognism

Cognism is a B2B sales acceleration software company that provides a marketing and sales acceleration solution.

Mo

The Future of Employee Engagement

kleene.ai

kleene.ai is SaaS data pipelining (ELT) for scale-ups. Taking businesses on their data journey and creating a single source of truth.

Hummingbird Technologies

Hummingbird is a drone and satellite enabled imagery analytics business for precision agriculture.

Cledara

Cledara helps teams understand, manage and control the SaaS they use so they can scale operations, comply with regulations and save money.

OfficeRnD

OfficeRnD provides flex and hybrid work management solutions.

Realeyes

Measuring Human Response At The Speed & Scale Of AI

Triptease

Triptease is a travel SaaS company that empowers hotels to recapture guest relationships and increase direct bookings.

PORT

The PORT.im SaaS solution enables businesses to manage personal data efficiently and comply with the GDPR quickly and with minimal effort.

Actable AI

Actable AI helps you to analyze your data with powerful Causal AI and ML – without coding.

Wandera

Wandera provides a unified cloud security solution to protect the modern workplace

ZigZag Global

ZigZag Global is a software platform that helps retailers manage their returns globally.

Zephr

Zephr is a technology platform for media companies to grow their subscription revenue.

Yieldify

Yieldify creates smart and simple marketing technology products that predict customer behaviour.

CyberSmart

An automated end-to-end cyber security compliance platform that helps SMB’s.

Black Swan Data

Black Swan’s SaaS solution uses data analytics to allow brands to more accurately predict future consumer trends

Poq

Poq offers a SAAS platform to help large retailers join app commerce.

Ziflow

Ziflow is a SaaS company that builds smart tools for creative production teams.

Vault Platform

Vault Platform is the next generation of misconduct reporting for employees.

Gett

Gett is a technology platform focused on corporate Ground Transportation Management (GTM), for spend estimated to exceed $100b globally

YayPay

YayPay is intelligent accounts receivables automation

Traydstream

Traydstream automates the most critical aspects of converting, checking and managing trade finance documents.

Satago

Cover cashflow gaps, manage debtors and predict credit risks all in one easy-to-use product. Start your 14-day free trial today.

AppLearn

AppLearn is a pioneering digital adoption company and creator of the Adopt digital adoption solution.

Ben

Supercharge your benefits, save time and money

DeepStream

DeepStream is a cloud-based procurement platform that allows buyers and suppliers to communicate seamlessly.

ProQuo AI

ProQuo AI is the first and only brand management platform harnessing the power of AI to serve up custom action-plans for marketers

Jiminny

Conversation intelligence to build smarter sales teams. Record, transcribe & analyze every interaction and empower your reps with Jiminny

Shipamax

Shipamax provides seamless fleet and deals management for operators and brokers.

Rota

SAAS Mobile and desktop Apps to provide Total Workforce Technology for the whole workforce (internal and external)

Avora

Avora provides a complete augmented analytics solution powered by AI that makes in-depth data analysis as easy as a web search.

Freespee

Freespee is the most comprehensive conversation cloud in the market.

Yumpingo

Yumpingo is an internet company that specializes in customer engagement and analytics platforms designed for the Hospitality Industry.

AppyWay

AppyWay is a kerbside management & technology firm enabling intelligent mobility for cities.

Applied

Applied is the essential platform for debiased hiring. Using predictive, skills-based methods. Hire with purpose, supported by science.

Adarga

Adarga builds powerful analytical software that allows you to analyse vast volumes of data quickly and accurately.

Hubble

A platform to search, set up, and manage your hybrid workplace

Plentific

Plentific is a SaaS platform that provides smart property management solutions for landlords and property managers.

Hullabalook

Product discovery for eCommerce retailers

Rossum

Rossum is an AI-based cloud document gateway for automated business communication.

Finlight.com

Helping family offices and institutional investors enhance net returns by unlocking productivity

seedata.io

Seedata.io is a cybersecurity platform that helps companies mitigate data leak incidents and crime threats.

Pisano

All-in-one experience management solutions to listen better, resolve faster and sell more.

Spirable

Building a future where video is always contextual, reactive, and inspires action.

Legl

Legl provides cloud-based solutions bringing law firms into the digital-first world.

Antavo Loyalty Management Platform

Antavo is the leading customer loyalty technology for fashion and retail.

Personify XP

Personify XP uses AI and automation personalization SAAS technology to help retailers understand what their customers are shopping for.

Feedr

Feedr is an enterprise food technology platform that gives corporate customers software to support healthier daily eating in workplaces

eStoreMedia.com

Digital Shelf Software for Fortune 500 brands

Kurtosys

Real growth. Realized. Digital Experience Platform for Financial Services.

Firefly Learning

Firefly Learning is an edtech company that develops a SaaS learning and teaching support platform for schools.

Looper Insights

SaaS e-commerce optimisation business starting in the Film/TV vertical

Charlie

Charlie is the HR software for small teams with big ideas.

Benivo

Benivo is an award winning HR tech helping employers make every employee welcome

Re-Leased Property Software

Re-Leased is a centralised cloud-based property management software designed for landlords and property managers.

Olvin

Olvin helps real-world businesses get proactive through its AI powered predictive analytics platform.

Arbor Education

Arbor helps schools transform the way they work

Kalido

Kalido is an amazing AI powered platform that matches enterprise workforce skills and strengths to people, teams, projects and jobs.

Juggle Jobs

Juggle is an information technology company that offers a SaaS platform for the future of work.

Huddlestock

SaaS, Fintech, Mobile App, Wealth Management, Asset Management, Trading, Investing

Vizibl

Vizibl is a global cloud platform that enables enterprise companies to manage their innovation lifecycle.

Zzish

Zzish is a valuable classroom digital teaching tool for teachers that provides real-time feedback on the progress of their students.

SupplyCompass

Empowering fashion brands and manufacturers to produce better, together.

ContactEngine

ContactEngine is a proactive Conversational AI technology that automates conversations between corporates and their customers

ID Ward

ID Ward is a SaaS platform that enables marketers to reach audiences in a private way using decentralised, zero-party data.

e.fundamentals

Global Digital Shelf Analytics for CPG data, expertise & category growth online.

Bodyswaps

Bodyswaps is a B2B immersive learning platform (VR SaaS) designed to deliver effective and scalable soft skills training.

Post-Quantum

Post-Quantum is a world-leader in quantum-safe encryption, blockchain and digital identity

Enthuse

Enthuse was founded to help charities raise more for their causes. UK’s leading B2B charity fundraising SaaS and payments provider

Juro

Juro is a contract automation platform that allows legal and business teams to execute and monitor contracts from one unified workspace.

Codec

We help brands to discover and tap in to the pockets of culture that drive growth. Powered by award-winning AI.

Insurwave

Insurwave is a platform for the entire insurance ecosystem, serving multinational companies with complex insurance needs.

Idio

Idio makes buyer-centric marketing possible for global B2B enterprises.

HUBX

The premier capital raising and private placement solution for professionals.

Zamna

Award-winning blockchain-powered data verification platform improving airport security while delivering a seamless passenger experience

Arthur Online

Arthur simplifies property management, anywhere , anytime.

Checkboard

SaaS Identity and Finance Checking Platform

appScatter

AppScatter is a B2B SaaS platform that distributes, manages, and monitors mobile apps across multiple app stores worldwide.

Immense

A global decision-support platform for new mobility

Flashpoint

Flashpoint is an international asset management firm investing in tech businesses.

Synchtank

The SaaS software platform for managing and monetizing music & media assets

Coniq

Coniq is the Total Customer Engagement Company.

Neudata

Neudata’s SaaS catalogue of 5,000+ dataset reports provides tools for users to easily search, source, manage and compare data.

Zapnito

Zapnito is the SaaS online community platform for intelligence-driven organizations.

Pace Revenue

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

cloud.IQ

cloud.IQ is an AI and machine learning based automated conversion rate optimisation platform for e-commerce businesses.

Paddle

We’re the only complete payments infrastructure provider for SaaS companies.

Zeelo

Zeelo is the smart bus platform for organizations, providing flexible turn-key, plug-in and SaaS transportation programs.

Attest

Attest is a consumer research platform that delivers consumer data that drive predictable and repeatable growth to businesses.

Lavanda

Lavanda is an award-winning next generation SaaS platform powering the convergence of residential real estate, hospitality and travel.

Pento

Pento provides a SaaS-based online platform intended to optimize payroll services.

Zencargo

Zencargo is a logistics company that simplifies global trade by offering digital freight services to help businesses thrive.

Privitar

Privitar offers a data privacy platform that protect their customers’ sensitive personal data and to deliver comprehensive data privacy.

Mimecast

Mimecast is a SaaS-based email management platform enabling companies to administer business communications and data.

Decibel

Decibel is a real-time intelligence platform that enables businesses to measure and improve online customer experiences.

Drag

The Everything Inbox for teams. One single place to support customers, manage tasks and close deals, from the place teams love – Email.

TurinTech

Evolutionary AI Optimisation Platform

Fiskl Limited

Fiskl – mobile-first global SaaS platform for managing micro-SME finances

Kluster

Forecast, manage pipeline, and execute strategies to beat your revenue target using Kluster’s revenue analytics platform.

Beyonk

Beyonk is a SaaS-enabled marketplace for experiences, making it easier for visitors to find and book local things to do