Top 99 SaaS startups in UK
Dec 31, 2025
|
Like
20
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: $375.5M
CloudPay provides global payroll, treasury, and on-demand pay solutions to multinational organizations.
CloudPay provides global payroll, treasury, and on-demand pay solutions to multinational organizations.
6
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.
7
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.
8
Funding: $230.5M
Darktrace is an AI company that uses cybersecurity solutions to identify, prevent, and eliminate insider threats.
Darktrace is an AI company that uses cybersecurity solutions to identify, prevent, and eliminate insider threats.
9
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.
10
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.
11
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.
13
Funding: $125M
Sophos develops network security and threat management products to protect organizations against malicious acts.
Sophos develops network security and threat management products to protect organizations against malicious acts.
14
Funding: €104.7M
PortSwigger Burp Suite is the leading toolkit for web application security testing.
PortSwigger Burp Suite is the leading toolkit for web application security testing.
15
Funding: $109.5M
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.
16
Funding: $107.9M
Featurespace is a provider of adaptive behavioural analytics technology for fraud and risk management in financial services. The company has developed an ARIC platform, where it uses anomaly detection to analyse complex behavioural data in real time, spotting anomalies to block new fraud attacks as they occur.
Featurespace is a provider of adaptive behavioural analytics technology for fraud and risk management in financial services. The company has developed an ARIC platform, where it uses anomaly detection to analyse complex behavioural data in real time, spotting anomalies to block new fraud attacks as they occur.
17
Funding: $104.2M
BigChange is an information technology company that builds fleet management software for mobile workforces.
BigChange is an information technology company that builds fleet management software for mobile workforces.
18
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
19
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.
20
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.
21
Funding: $89.9M
With Xactly, companies unleash the motivational power of their incentive compensation.
With Xactly, companies unleash the motivational power of their incentive compensation.
22
Funding: $88.3M
Brightpearl is the omnichannel retail management system that puts your orders, inventory, financials, POS and CRM in one place.
Brightpearl is the omnichannel retail management system that puts your orders, inventory, financials, POS and CRM in one place.
23
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.
24
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.
25
Funding: $69.5M
Hack The Box is a gamified cybersecurity upskilling, certification, and talent assessment software platform.
Hack The Box is a gamified cybersecurity upskilling, certification, and talent assessment software platform.
26
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.
27
Funding: $66.6M
At PQShield, we help customers transition their product lines from legacy RSA and Elliptic Curve cryptography to quantum-safe standards.
At PQShield, we help customers transition their product lines from legacy RSA and Elliptic Curve cryptography to quantum-safe standards.
28
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
29
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.
30
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.
31
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.
32
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.
33
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.
34
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.
35
Funding: $35M
Veed is a video editor designed to make producing short-form video content simple.
Veed is a video editor designed to make producing short-form video content simple.
36
Funding: $31.5M
Cado Security provides the cloud investigation platform that empowers security teams to respond to threats at cloud speed.
Cado Security provides the cloud investigation platform that empowers security teams to respond to threats at cloud speed.
37
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.
38
Funding: $29.5M
Qatalog is a modern productivity and collaboration hub for remote teams and knowledge workers.
Qatalog is a modern productivity and collaboration hub for remote teams and knowledge workers.
39
Funding: $29.7M
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.
40
Funding: $24.6M
Codility is a SaaS platform that helps tech recruiters and hiring managers engage, recruit, and train stronger engineers, faster.
Codility is a SaaS platform that helps tech recruiters and hiring managers engage, recruit, and train stronger engineers, faster.
41
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.
42
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.
45
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.
46
Funding: $10.9M
FreeAgent provides online accounting and money management software for small businesses and freelancers.
FreeAgent provides online accounting and money management software for small businesses and freelancers.
49
Funding: $18.5M
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.
50
Funding: $17.9M
Cloudsmith is a cloud-native DevOps warehouse built on Package Management, that secures, controls and accelerates software delivery. Acquired by Puppet
Cloudsmith is a cloud-native DevOps warehouse built on Package Management, that secures, controls and accelerates software delivery. Acquired by Puppet
