Best Build Tools Companies in United Kingdom
The 32 best Build Tools companies in United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Gearset.
Ranked: Best Build Tools companies in United Kingdom
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Gearset Provider of a platform for Salesforce DevOps, data management, and security | $55M | 52 mo ago | Series C | — | 2014 | Apple iCloud MailGoogle WorkspaceAlgolia+32 | — |
| 2 | Cloudsmith Packet management automation solutions provider | $29M | 35 mo ago | Series A | Alan Carson Co-Founder & CEO | 2005 | Apple iCloud MailGoogle WorkspacePython+25 | — |
| 3 | Civo Provider of cloud and AI infrastructure with Kubernetes-powered compute services | $2M | 61 mo ago | Seed | Mark Boost CEO - Co-Founder | 2015 | RubyGoogle Sign-inPlyr+32 | — |
| 4 | Cloud 66 Deployment solution for Rails & Node apps | $2M | 145 mo ago | Seed | — | 2012 | Apple iCloud MailGoogle WorkspaceHeadless UI+21 | — |
| 5 | Hiphops Provider of software release management solution | $650K | 52 mo ago | Seed | Tom Manterfield Co-Founder & CEO | 2021 | ClerkTailwind CSSAstro+6 | — |
| 6 | RankedRight Provider of platform for automated vulnerability management and remediation task delegation | $500K | 67 mo ago | Seed | — | 2020 | Google Font APICloudflare Browser InsightsCloudflare+1 | — |
| 7 | Uleska Cloud based application security solutions provider | $414K | 68 mo ago | Seed | — | 2016 | — | — |
| 8 | Flagsmith Provider of an open-source feature flag management platform for enterprises | $130K | 73 mo ago | Seed | — | 2018 | WebflowAmazon Web ServicesTikTok Pixel+23 | — |
Top 9 Build Tools companies in United Kingdom
#1
Series A · Belfast, Northern Ireland · founded 2005 · 7 employees$28.7Mraised▾
Packet management automation solutions provider
#2
Series C · Cambridge, England · founded 2014 · 65 employees$55Mraised▾
Provider of a platform for Salesforce DevOps, data management, and security. It offers tools for continuous integration, deployment, code review, automated testing, and change monitoring. The platform provides solutions for data backup, restoration, archiving, and sandbox seeding. It also includes features for security, compliance, and governance.
- Jun 2022Series C$55M
#3
Seed · London, England · founded 2015 · 13 employees$2Mraised▾
Provider of cloud and AI infrastructure with Kubernetes-powered compute services. The platform offers scalable compute, managed databases, and load balancer integration. It delivers private cloud solutions that run on existing hardware. The company provides enterprise-grade infrastructure, NVIDIA GPUs, and model management.
- Sep 2021Seed$2M
#4
Seed · Bury, England · founded 2021 · 10 employees$650Kraised▾
Provider of software release management solution. It enables developers to automate the release process with triggers, approvals and automated risk analysis. The platform analyzes and categorizes the code changes and coordinates releases across repositories.
- Jun 2022Seed$650K
#5
Seed · London, England · founded 2012 · 4 employees$1.9Mraised▾
Cloud 66 allows developers to provision, deploy and manage Rails & Node apps. It determines what core elements are part of the application, and configures servers and sets up cloud instances that the application will require. It can manage firewall configurations, inspect log files, and identify security issues that affect servers. It also provides products for deploying and managing containers. Notable clients include SAP, Microsoft, and Dell.
- Sep 2014Seed$507.7K
- Jul 2014Seed$730K
- Jun 2014Seed$118K
- Seed$500K
#6
Seed · London, England · founded 2020 · 3 employees$500Kraised▾
Provider of platform for automated vulnerability management and remediation task delegation. The platform allows users to prioritize vulnerabilities using custom rules and live intelligence data. It enriches data with vulnerability intelligence, enabling users to filter and sort vulnerabilities. The platform also facilitates task assignment to manage remediation efforts.
- Mar 2021Seed$500K
#7
Seed · Belfast, Northern Ireland · founded 2016 · 6 employees$414.2Kraised▾
Cloud based application security solutions provider. Its products offered by the company are Security Tool Automation, Orchestration, and Contextual Automated Security Testing. Security tool automation and orchestration provides the facility to automate and arrange the existing commercial testing tools with the help of the ASTO engine. It also allows integration with open source testing tools to drastically reduce management time and present increased insight. The pricing model is based on monthly usage. Contextual Automated Security Testing provides the solution for common security issues, such as password length, access controls, and authorization controls.
- Feb 2021Seed$42.1K
- Dec 2018Seed$414.2K
#8
Seed · Wilmslow, England · founded 2018 · 11 employees$130.2Kraised▾
Provider of an open-source feature flag management platform for enterprises. It enables users to develop, implement, and manage feature flags as well as offers remote configuration services. Its features include development tools, flag analytics, testing tools, cloud storage, and integration tools.
- Sep 2020Seed$130.2K
#9
Funding Raised · Cambridge, England · founded 1999 · 302 employees—raised▾
Developer of database DevOps solutions for database management and security. The company provides tools for database monitoring, change management, and test data management. It offers solutions for database development workflows, cloud migration, and database modernization. The company’s products support database security, compliance, and performance.
- Jan 2026Unattributed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Build Tools coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.