Top 61 SaaS startups in London
Mar 20, 2026
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22
1
Funding: $562.8M
Thought Machine is a Fintech company that builds cloud-native technology to revolutionize core banking.
Thought Machine is a Fintech company that builds cloud-native technology to revolutionize core banking.
2
Funding: $545M
Quantexa has built a machine learning platform branded “Contextual Decision Intelligence” (CDI) that analyses disparate data points to get better insight into nefarious activity
Quantexa has built a machine learning platform branded “Contextual Decision Intelligence” (CDI) that analyses disparate data points to get better insight into nefarious activity
3
Funding: $517.3M
Mews is an innovative hospitality management cloud platform that empowers the modern hotelier to provide remarkable guest experiences.
Mews is an innovative hospitality management cloud platform that empowers the modern hotelier to provide remarkable guest experiences.
4
Funding: $445M
Builder.ai offers a no-code AI-powered app development platform designed to build and operate software projects.
Builder.ai offers a no-code AI-powered app development platform designed to build and operate software projects.
5
Funding: $300.8M
Smart Pension is a workplace pension tailored specifically for UK businesses.
Smart Pension is a workplace pension tailored specifically for UK businesses.
6
Funding: $285M
Shop Circle is a technology company that acquires and grows e-commerce software.
Shop Circle is a technology company that acquires and grows e-commerce software.
7
Funding: $219M
Fresha is a SaaS-enabled marketplace platform for beauty and wellness industry.
Fresha is a SaaS-enabled marketplace platform for beauty and wellness industry.
8
Funding: $188.8M
Onfido is an AI-based technology that builds trust in an online world by helping businesses digitally verify people's identities.
Onfido is an AI-based technology that builds trust in an online world by helping businesses digitally verify people's identities.
9
Funding: $132.6M
Tessian creates a Human Layer Security that helps people work without security disruptions getting in the way.
Tessian creates a Human Layer Security that helps people work without security disruptions getting in the way.
11
Funding: $125.7M
Rossum's artificial intelligence understands complex structured documents, enabling companies to capture data from financial documents efficiently and with human-level accuracy. Unlike existing text mining solutions, Rossum's unique deep neural networks reflect the way humans read documents. This eliminates the need for costly manual implementation, a game changer in the data capture business.
Rossum's artificial intelligence understands complex structured documents, enabling companies to capture data from financial documents efficiently and with human-level accuracy. Unlike existing text mining solutions, Rossum's unique deep neural networks reflect the way humans read documents. This eliminates the need for costly manual implementation, a game changer in the data capture business.
12
Funding: $99.1M
Attest has built a cloud-based, no-code, big-data solution for customer research surveys
Attest has built a cloud-based, no-code, big-data solution for customer research surveys
13
Funding: $96.2M
incident.io is a slack-integrated incident management tool, designed to create, manage and resolve incidents directly in slack.
incident.io is a slack-integrated incident management tool, designed to create, manage and resolve incidents directly in slack.
14
Funding: $90.2M
Mimecast is a SaaS-based email management platform enabling companies to administer business communications and data.
Mimecast is a SaaS-based email management platform enabling companies to administer business communications and data.
15
Funding: $81.8M
Ometria is a customer insight and marketing automation platform which lets retailers communicate with their customers in a personalised way.
Ometria is a customer insight and marketing automation platform which lets retailers communicate with their customers in a personalised way.
16
Funding: $80.3M
YOOBIC is an all-in-one platform for the deskless workforce to optimize communication, training, and process management.
YOOBIC is an all-in-one platform for the deskless workforce to optimize communication, training, and process management.
17
Funding: $67.3M
Granola is an AI notepad that transcribes and summarizes meetings from your device, helping users stay organized without joining calls.
Granola is an AI notepad that transcribes and summarizes meetings from your device, helping users stay organized without joining calls.
18
Funding: $66M
Zencargo develops a platform that uses machine learning and other new technology to rethink how large shipping companies and their customers manage and move cargo, or freight forwarding as it’s known in the industry
Zencargo develops a platform that uses machine learning and other new technology to rethink how large shipping companies and their customers manage and move cargo, or freight forwarding as it’s known in the industry
19
Funding: $64.2M
Attio is the CRM of the future: data-driven, completely customizable and intuitively collaborative.
Attio is the CRM of the future: data-driven, completely customizable and intuitively collaborative.
20
Funding: $50.7M
WeGift’s cloud-based, open API solutions allow businesses to transfer value to consumers, in real-time and globally.
WeGift’s cloud-based, open API solutions allow businesses to transfer value to consumers, in real-time and globally.
21
Funding: $49.2M
Ben is a SaaS platform that offers core employment benefits such as life insurance, health and pension, as well as more lifestyle-based nice-to-haves such as gym memberships and work-from-home allowances.
Ben is a SaaS platform that offers core employment benefits such as life insurance, health and pension, as well as more lifestyle-based nice-to-haves such as gym memberships and work-from-home allowances.
22
Funding: $47.4M
Egress is a software company that specializes in human layer security designed to prevent accidental and intentional data breaches.
Egress is a software company that specializes in human layer security designed to prevent accidental and intentional data breaches.
23
Funding: $40.2M
CybSafe is a cloud-based cybersecurity awareness platform that helps organisations take an intelligent approach to cyber and information security awareness. The company educates employees through intuitive learning via a range of short structured modules, containing thought-provoking content, designed to optimise behavioural change.
CybSafe is a cloud-based cybersecurity awareness platform that helps organisations take an intelligent approach to cyber and information security awareness. The company educates employees through intuitive learning via a range of short structured modules, containing thought-provoking content, designed to optimise behavioural change.
24
Funding: $36.5M
Sona is a workforce management platform for frontline enterprises like care homes, restaurants, and hotels.
Sona is a workforce management platform for frontline enterprises like care homes, restaurants, and hotels.
25
Funding: $34.8M
Chattermill is a customer intelligence platform that unifies and analyses your customer feedback, support, and conversation data.
Chattermill is a customer intelligence platform that unifies and analyses your customer feedback, support, and conversation data.
26
Funding: $31.9M
Perkbox is a cloud-based HR technology platform designed to help improve staff engagement and interaction between management and teams.
Perkbox is a cloud-based HR technology platform designed to help improve staff engagement and interaction between management and teams.
27
Funding: $30.8M
Blink is the digital backbone of companies who run the real world and don’t sit behind a computer. It’s for the millions of essential nurses, bus drivers, construction workers or supply chain operators that run the economy.
Blink is the digital backbone of companies who run the real world and don’t sit behind a computer. It’s for the millions of essential nurses, bus drivers, construction workers or supply chain operators that run the economy.
28
Funding: $25M
Legl provides cloud-based solutions bringing law firms into the digital-first world.
Legl provides cloud-based solutions bringing law firms into the digital-first world.
29
Funding: $23.5M
Cynomi addresses a critical gap in mid-market cyber protection - creating and executing a cyber and compliance strategy. It uses AI technology to emulate a human CISO and automate previously manual operations.
Cynomi addresses a critical gap in mid-market cyber protection - creating and executing a cyber and compliance strategy. It uses AI technology to emulate a human CISO and automate previously manual operations.
33
Funding: $21.4M
Vault Platform is the next generation of misconduct reporting for employees. Vault empowers employees to feel confident to report misconduct and employers to take meaningful actions to reach a resolution.
Vault Platform is the next generation of misconduct reporting for employees. Vault empowers employees to feel confident to report misconduct and employers to take meaningful actions to reach a resolution.
37
Funding: $12.6M
GoMetro is a mobile transit info app that offers transportation planning and updates to improve the commuting experience.
GoMetro is a mobile transit info app that offers transportation planning and updates to improve the commuting experience.
38
Funding: $11.4M
Weengs provides all the logistics services people need to build and grow their e-commerce businesses.
Weengs provides all the logistics services people need to build and grow their e-commerce businesses.
39
Funding: $12.1M
Learnerbly is a Learning Development Platform. Learnerbly assists with the development of people at work by curating learning and development opportunities to accelerate professional growth.
Learnerbly is a Learning Development Platform. Learnerbly assists with the development of people at work by curating learning and development opportunities to accelerate professional growth.
40
Funding: $10.5M
PeoplePerHour is a marketplace connecting small businesses and freelancers.
PeoplePerHour is a marketplace connecting small businesses and freelancers.
41
MangoApps helps companies modernize their employee-facing applications. It brings intranet, communications, training & work management together in one platform to provide the most adaptable, intuitive, and unified experience in the market today.
42
Funding: $9.5M
Shipamax provides seamless fleet and deals management for operators and brokers.
Shipamax provides seamless fleet and deals management for operators and brokers.
43
Funding: $9.3M
HowNow is a London-based EdTech startup that connects experts and learners by offering interactive video lessons.
HowNow is a London-based EdTech startup that connects experts and learners by offering interactive video lessons.
44
Funding: $5.2M
Fuzey helps local businesses forge meaningful relationships with their customers through the creation of accessible and intuitive technology
Fuzey helps local businesses forge meaningful relationships with their customers through the creation of accessible and intuitive technology
45
Funding: £3.4M
Qwil Messenger solves the challenge of making chat safe and compliant when it matters most: between staff, clients and partners. It provides safe and compliant client chat for business
Qwil Messenger solves the challenge of making chat safe and compliant when it matters most: between staff, clients and partners. It provides safe and compliant client chat for business
47
Funding: $2.7M
SegmentStream is a data intelligence platform for advanced marketing analytics and attribution.
SegmentStream is a data intelligence platform for advanced marketing analytics and attribution.
48
Funding: $2.5M
Open-source security-as-code. BoxyHQ helps developers automate product security; it includes APIs for enterprise-compliance security.
Open-source security-as-code. BoxyHQ helps developers automate product security; it includes APIs for enterprise-compliance security.
49
Funding: £915K
Intruder is a cloud-based vulnerability scanner that finds cyber security weaknesses in your external infrastructure.
Intruder is a cloud-based vulnerability scanner that finds cyber security weaknesses in your external infrastructure.
50
KashFlow Software is a simple but powerful, online accounting package developed with small business owners in mind.
