Best Software Testing Tools Companies in London, United Kingdom
The 40 best Software Testing Tools companies in London, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Virtuoso.
Ranked: Best Software Testing Tools companies in London
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Virtuoso Automated testing solutions for web applications | $18M | 57 mo ago | Series A | Andrew Doughty Co-Founder | 2016 | SentryTypeScriptGraphQL+26 | 1 launch |
| 2 | Provar Cloud based automated software testing platform | $12M | 54 mo ago | Series B | Geraint Waters Co-Founder & CEO | 2014 | WordPressMySQLPHP+30 | — |
| 3 | AutomatePro Developer of an AI-powered platform for ServiceNow automated testing | $6M | 43 mo ago | Series A | Wayne Devonald Co-Founder | 2004 | WordPressApple iCloud MailMicrosoft 365+30 | — |
| 4 | Meticulous Provider of bug tracking tools | $4M | 31 mo ago | Seed | Quentin Harper Co-Founder & CTO | 2021 | WebflowApple iCloud MailGoogle Workspace+20 | — |
| 5 | Synthesized Developer of synthetic data generation platform for machine learning model development 64Innovation top 23%Talent top 28%AI top 30%Growth top 35% All 10 signals ▾Innovationtop 23% Talenttop 28% AItop 30% Growthtop 35% Newstop 35% Producttop 36% Techtop 45% Fundingtop 46% Globalbottom 39% Marketbottom 25% Innovation: 9 product lines · Deep-tech classification: Artificial Intelligence Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 64/100 | $3M | 15 mo ago | Series A | Alexander Kuhnle Co-Founder | 2017 | WebflowAmazon Web ServicesVWO+21 | 1 partnership |
| 6 | TestPlant Test automation tools provider | $3M | 211 mo ago | Acquired | — | 2008 | — | — |
| 7 | WhatUsersDo Solution for Usability Testing | $246K | 180 mo ago | Acquired | — | 2008 | — | — |
| 8 | Codified Security Cloud based mobile application security testing | $19K | 117 mo ago | Seed | — | 2015 | — | — |
Top 11 Software Testing Tools companies in London
#1
Series A · London, England · founded 2017 · 12 employees$2.8Mraised▾
Developer of synthetic data generation platform for machine learning model development. It provides tools to create datasets that mimic real-world data. This enables organizations to train and validate machine learning models. The platform offers features for data augmentation and privacy preservation.
- May 2025Series A$22M
- Feb 2024Conventional Debt—
- Dec 2021Series A$4.9M
- Feb 2020Series A$3.3M
#2
Seed · London, England · founded 2021 · 10 employees$4.1Mraised▾
Provider of bug tracking tools. The platform offers tools that help in identifying errors in the script automatically. It also detects bugs and prevents errors in production. It works by posting debugging comments, pulling requests, collects data, etc. It works on a subscription plan.
- Jan 2024Seed$4M
- Sep 2021Seed$125K
#3
Series A · London, England · founded 2016 · 166 employees$17.9Mraised▾
Automated testing solutions for web applications. The product offers a cloud based platform for functional, UI, compatibility, and integration testing across both web and mobile web applications. The features of the product include testing transformation, accessible automation, etc. It also provides integration over slack, Azure, git, circleci, etc. The clients of the company are JATO, PERSIMMON, experian, macmillan learning, etc.
- Nov 2021Series A$13.3M
- Aug 2019Seed$3.2M
- Jan 2018Seed$1.3M
#4
Series A · London, England · founded 2004 · 28 employees$6Mraised▾
Developer of an AI-powered platform for ServiceNow automated testing. The platform facilitates test creation using natural language inputs. It provides solutions for DevOps acceleration and monitoring. The platform offers integrated solutions designed to make enterprise testing more efficient.
- Jan 2023Series A$6M
- Seed—
#5
Series B · London, England · founded 2014 · 159 employees$12Mraised▾
Cloud based automated software testing platform. It provides test automation solutions for salesforce. The platform allows users to create, execute, and debug tests using low code tools. It enables users to test workflows such as salesforce, email, database, and more.
- Feb 2022Series B$6.8M
- Jan 2021Series A$5.2M
- Nov 2014Seed—
#6
Acquired · London, England · founded 2008 · 5 employees$2.6Mraised▾
The eggPlant range, product of TestPlant is a set of tools which supports the design, development, test and management of software applications for mainframe, desktop and mobile use in any technology platform environment. It has development centers in the USA and the UK with sales and support centers in the USA, the UK, Germany, China and Japan TestPlant's products are used in over 30 countries by well over 350 enterprise customers in sectors which include Financial Services, Automotive, Healthcare and Life Sciences, Media and Entertainment, Retail and Defense and Aerospace. It is a Red Herring Global Top 100 company, a Deloitte UK Technology Fast 50 and EMEA 500 business and is the recipient of two Queen's Awards for Enterprise.
- Jan 2009Seed$764K
- Sep 2008Seed$1.8M
#7
Acquired · London, England · founded 2008 · 40 employees$245.7Kraised▾
WhatUsersDo provides a solution for usability testing. It allows setting tasks for users to complete the testing of website, prototype, and app. Test participants can be selected based on the chosen criteria like age, gender, device, etc. It allows viewing the video recordings of users completing the tasks. It provides the most popular pricing from 600 Euros per month billed annually. Currys, Nectar, TUI Travel Plc, Slendertone, Dixons, BT, NPower, Schuh, etc are few of its customers.
- Aug 2011Seed$245.7K
#8
Seed · London, England · founded 2015 · 1 employees$18.5Kraised▾
Codified Security provides a cloud based security testing tool for mobile apps. Solution scans mobile apps using the app store URLs or via a build of the mobile app uploaded either as an app bundle file or through integration with the several popular beta distribution platforms. When a mobile app is uploaded Codified Security Instant downloads the app, decompiles it, and tests the client layer of the app against a rules based engine that uses static analysis to find the security vulnerabilities and flaws of the app. Features include reporting and mitigation recommendation. Currently supports iOS, Android, Swift, Xamarin.iOS, and Xamarin.Android and is available via API for integration with CI/CD tools.
- Nov 2016Seed$18.5K
#9
Seed · London, England · founded 2022—raised▾
Provider of unified exposure and third-party risk management platform solutions. The company delivers attack surface management, web application security testing, and cloud security posture management. It offers credential leak monitoring, network security scanning, and compliance and risk assessment. The platform provides third-party risk monitoring, vendor risk management, and supply chain cyber risk management.
- 2023Seed—
#10
Deadpooled · London, England · founded 2014—raised▾
CloudLoad provides JMeter-based performance testing platform for websites and mobile applications. It created a performance testing platform based on Apache JMeter. It also includes reporting solutions by turning JMeter performance tests into graphical reports. It provides features to structure and store performance testing projects along with features to collaborate. SaaS Basic and Pro versions are priced at £50/MONTH and £250/MONTH.
- Aug 2016Seed—
#11
Deadpooled · London, England · founded 2015—raised▾
Rest Secured provides cloud and on-premise based solution to test API against malicious penetrations. Integrates with existing software development life cycle to find vulnerabilities. Users need to submit an API specification, such as Swagger, to start testing it. Also provides reports with the found vulnerabilities. Integrates with slack, heroku, github and bitbucket. To identify vulnerabilities tool sends malformed requests to API and analyzes the responses. Tests against the industry standard OWASP Top 10 security vulnerabilities including black box testing and input validation.
- Mar 2016Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Software Testing Tools coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
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