Best Build Tools Companies in California, United States
The 83 best Build Tools companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Vercel.
Ranked: Best Build Tools companies in California
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Vercel 🦄 Provider of cloud infrastructure and developer tools for web applications 94Funding top 13%Market top 20%AI top 20%Growth top 25% All 10 signals ▾Fundingtop 13% Markettop 20% AItop 20% Growthtop 25% Moattop 26% Newstop 27% Producttop 27% Techtop 28% Globaltop 42% Talenttop 50% Funding: Raised $563M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Market: 455 employees (top 8% of Enterprise Infrastructure) · Top-5,000 web property rank vs industry peers · Fliar Intelligence Index 94/100 | $563M | 8 mo ago | 455 | 2015 | Naoyuki Kanezawa Co-Founder | — | 4 launchs · 1 partnership |
| 2 | Gitlab Provider of a platform for software development, security, and delivery | $435M | 45 mo ago | 699 | 2011 | Sid Sijbrandij Co-Founder & CEO | 34 patents Automation and security of software development pipelines, including code testing and vulnerability analysis. | 2 launchs |
| 3 | Harness 🦄 Provider of platform for software delivery, security, testing, and cost optimization 90Tech top 18%Funding top 19%Growth top 25%Moat top 25% All 11 signals ▾Techtop 18% Fundingtop 19% Growthtop 25% Moattop 25% Innovationtop 28% Patentstop 28% Talenttop 28% Markettop 32% Producttop 36% Globaltop 37% Fin. healthtop 37% Tech: 69 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services Funding: Raised $425M across 13 rounds · 13 rounds over 9 yrs (1.4/yr) rank vs industry peers · Fliar Intelligence Index 90/100 | $425M | 6 mo ago | 145 | 2017 | Jyoti Bansal CEO & Co-Founder | 31 patents Cloud-native CI/CD observability, security, and resilience testing for software pipelines | 1 launch |
| 4 | LaunchDarkly 🦄 Provider of platform for feature flags, experimentation, and AI configuration | $330M | 58 mo ago | 371 371 → 646 (+74%) | 2014 | — | — | — |
| 5 | CircleCI 🦄 Provider of a platform for continuous integration and continuous delivery | $316M | 61 mo ago | 404 404 → 359 (-11%) | 2011 | Jim Rose CEO | — | — |
| 6 | CloudBees 🦄 Provider of software delivery platform for continuous integration and continuous delivery | $241M | 54 mo ago | 510 | 2010 | Mic Neale Chief Scientist and Co-founder | 3 patents Continuous integration/continuous delivery pipeline orchestration and non‑disruptive software deployment | — |
| 7 | JFrog Provider of software supply chain platform for DevOps and security | $227M | 92 mo ago | 1,400 1,400 → 2,442 (+74%) | 2008 | Fred Simon Co-Founder And Chief Architect | — | 1 launch |
| 8 | Netlify 🦄 Provider of a platform for web application development and deployment | $212M | 55 mo ago | 295 | 2013 | Mathias Christensen Co-Founder & CEO | — | — |
| 9 | Split Provider of feature management platform for software development and experimentation | $110M | 58 mo ago | 107 | 2015 | Brian Bell CEO | — | — |
| 10 | Armory Provider of AI-powered platform for software delivery and DevOps automation | $82M | 68 mo ago | 63 | 2016 | — | 11 patents Ballistic armor manufacturing and automated continuous software deployment systems | — |
| 11 | CollabNet AI-powered platform for software development, delivery, and digital transformation | $60M | 139 mo ago | 136 | 1999 | Bill Portelli Co-Founder | 9 patents Automating distributed software design chains and on-demand build/test environment deployment. | — |
| 12 | AutoRabit Enterprise software release management software provider | $53M | 49 mo ago | 100 | 2015 | Meredith Bell CEO | — | — |
| 13 | Electric Cloud AI-powered DevOps solution for secure, scalable, and compliant software delivery | $53M | 112 mo ago | 61 | 2002 | — | — | — |
| 14 | Codefresh Cloud based software delivery platform | $42M | 62 mo ago | 79 | 2014 | — | — | — |
| 15 | Opsera Cloud based devops automation software | $31M | 16 mo ago | 65 | 2020 | Kumar Chivukula Co-Founder & CEO | 23 patents Automation, orchestration, and analytics of DevOps pipelines and toolchains | 1 launch |
| 16 | Gradle Open source based suite of build tools solution | $31M | 55 mo ago | 19 | 2008 | Hans Dockter Founder & CEO | — | — |
| 17 | Dagger Platform offering application continuous deployment software | $30M | 50 mo ago | 26 | 2017 | Solomon Hykes Co-Founder | 8 patents Automated software deployment and CI/CD pipeline orchestration tools | — |
| 18 | BlueCedar Networks Developer of mobile app security platform integrating with app delivery tools | $27M | 87 mo ago | 41 | 2016 | Kevin Fox Chief Executive Officer | — | — |
| 19 | CodeLogic Cloud-based dependency management solution provider | $25M | 31 mo ago | 12 12 → 16 (+33%) | 2001 | Soumik Sarkar Co-Founder | 13 patents Static analysis and governance tools for software security, architecture, and dependency management. | — |
| 20 | Railway Platform offering continuous application deployment software | $24M | 48 mo ago | 8 | 2019 | Jake Cooper Founder & CEO | — | 3 launchs |
| 21 | Atomist Platform for automation of code deployment workflows | $22M | 103 mo ago | 8 | 2015 | — | — | — |
| 22 | Paragon Platform offering API integration solution | $21M | 20 mo ago | 44 | 2019 | Brandon Foo Co-Founder & CEO | 856 patents Patient-specific orthopedic surgical guides and fixation implants for bone repair and joint replacement | — |
| 23 | BluBracket Application source code security solutions provider | $20M | 61 mo ago | 14 | 2018 | — | 11 patents Software code provenance, monitoring, and access control for secure development environments | — |
| 24 | Seaplane Platform offering IDE based application development software | $15M | 49 mo ago | 23 | 2020 | Denzil Dunn Co-Founder | — | — |
| 25 | Plutora Enterprise release management & testing environment management solutions provider | $14M | 114 mo ago | 33 | 2012 | Dalibor Siroky CEO & Co-Founder | — | — |
| 26 | Datree Configuration management solution provider for Kubernetes | $11M | 76 mo ago | 23 | 2017 | — | — | — |
| 27 | Npm Package manager for JavaScript | $11M | 135 mo ago | 57 | 2014 | — | 2 patents Software package management tools and repository distribution systems | — |
| 28 | Cased Developer of AI agents that automate DevOps and infrastructure management | $11M | 35 mo ago | 6 | 2020 | Ted Nyman Co-Founder & CEO | — | — |
| 29 | SDF Cloud based compiler for developers | $9M | 23 mo ago | — | 2022 | Lukas Schulte Co-Founder & CEO | 9 patents Paper-based banding and bale-wrapping equipment for pulp and packaging applications | — |
| 30 | Zeet Platform offering continuous application deployment software | $6M | 45 mo ago | 15 | 2020 | Johnny Dallas Founder & CEO | — | — |
| 31 | Ansible Platform offering devops automation software | $6M | 154 mo ago | 7,995 | 2012 | — | 3 patents Secure access management for cloud resources and quantum state manipulation | — |
| 32 | Containership.io Continuous delivery system for containers | $5M | 94 mo ago | 12 | 2014 | — | — | — |
| 33 | Shipa Cloud-based continuous delivery management solutions provider | $4M | 68 mo ago | 13 | 2019 | Mark Liuw Co-Founder | — | — |
| 34 | IronMill Continuous application deployment platform | $3M | 33 mo ago | 6 | 2022 | Aaron Greenblatt Founder & CEO | 2 patents Optimizing selection of zero‑knowledge cryptographic proof systems for secure protocols | — |
| 35 | Koality Provider of digital marketing services focused on performance and results | $2M | 152 mo ago | 5 | 2012 | — | — | — |
| 36 | Eradani Cloud-based DevOps management solutions provider | $1M | 55 mo ago | 18 | 2018 | Daniel Magid CEO | — | — |
| 37 | Wasmer Platform offering compilers | $150K | 65 mo ago | 10 | 2018 | Syrus Akbary Nieto Founder & CEO | — | — |
| 38 | Gauge Open source based dependency management software | $125K | 23 mo ago | — | 2024 | Caelean Barnes Co-Founder & CEO | 35 patents Remote monitoring and management of emergency fluid resources and equipment | — |
| 39 | Dockup On-demand environment to run manual and automated tests | $125K | 84 mo ago | — | 2018 | Emil Soman Co-Founder | — | — |
| 40 | Ninite Package management system | $125K | 216 mo ago | 8 | — | — | — | — |
| 41 | Opsolutely Application deployment solution | $120K | 117 mo ago | 2 | 2015 | Kate Heddleston Co-Founder & CEO | — | — |
| 42 | Cisimple Continuous integration platform for mobile | $120K | 162 mo ago | — | 2012 | Kevin Rohling CEO | — | — |
| 43 | SafeDeploy Cloud-based continuous deployment management software provider | $100K | 67 mo ago | 3 | 2020 | Volker Dahm Founder & CEO | — | — |
| 44 | Drone Provider of continuous integration platform automating software build and testing processes | $45K | 156 mo ago | 2 | 2012 | — | — | — |
| 45 | OpsMx Provider of application security posture management platform for software delivery | — | 24 mo ago | 134 | 2016 | Gopal Dommety Founder & CEO | — | — |
| 46 | Grid Dynamics Provider of AI-driven digital transformation and engineering services for enterprises | — | 130 mo ago | 3,862 | 2006 | Leonard Livschitz CEO | — | — |
Top 12 Build Tools companies in California
#1
Harness 🦄Series E · San Francisco, California · founded 2017 · 145 employees$425Mraised▾
Provider of platform for software delivery, security, testing, and cost optimization. The platform offers continuous integration, continuous delivery, feature flags, and cloud cost management. It also provides service reliability management, security testing orchestration, and chaos engineering. The platform includes software engineering insights, continuous error tracking, and infrastructure as code management.
- Dec 2025Series E$200M
- Oct 2023Conventional Debt$150M
- Apr 2022Series D$175M
- Apr 2022Conventional Debt$55M
#2
Vercel 🦄Series F · Covina, California · founded 2015 · 455 employees$563Mraised▾
Provider of cloud infrastructure and developer tools for web applications. It offers continuous integration and delivery, content delivery, and serverless computing capabilities. The platform provides features such as bot management, security, and monitoring. It supports development with frameworks and tools, enabling application deployment and scaling.
- Sep 2025Series F$300M
- May 2024Series E$250M
- Nov 2021Series D$150M
- Jun 2021Series C$102M
#3
Series B · Palo Alto, California · founded 2020 · 65 employees$31.3Mraised▾
Cloud based devops automation software. It offers CI and CD pipeline orchestration solutions. It provides insights into the software delivery process. Features include continuous orchestration management, toolchain management, vendor lock-in, manual scripts management, pipeline management, quality management, declarative models, and contextualized logs.
- Feb 2025Series B$20M
- Oct 2023Series A$12M
- Apr 2021Series A$15M
- Oct 2020Seed$4.3M
#4
Series A · Los Angeles, California · founded 2019 · 44 employees$21Mraised▾
Platform offering API integration solution. It accelerates the integration process and provides a managed authentication for every integration. The platform enables developers to define integration logic using workflows. The features of the product include end-to-end visibility, debugging, scalability, zero maintenance, and low-code workflow building.
- Oct 2024Series A$5.5M
- Jul 2022Series A$13M
- Jul 2020Seed$2.5M
#5
Public · San Francisco, California · founded 2011 · 699 employees$435.2Mraised▾
Provider of a platform for software development, security, and delivery. The platform facilitates planning, source code management, and continuous integration and delivery. It offers application security testing, software supply chain security, and software compliance features. The platform supports various industries, including financial services, public sector, and telecommunications.
- Sep 2022Post IPO—
- Apr 2022Post IPO—
- Sep 2019Series E$268M
- Dec 2018Series D$20M
#6
Acquired · Los Angeles, California · founded 2022$9Mraised▾
Cloud based compiler for developers. It is a compiler and build system that enables users to examine sql code at warehouse scale. The platform allows developers to identify issues in code patterns. It leverages compile time analysis, and CI and CD integration to identify mistakes.
- Jun 2024Seed$9M
#7
Series D · Oakland, California · founded 2014 · 371 employees$330.3Mraised▾
Provider of platform for feature flags, experimentation, and AI configuration. It offers tools for feature lifecycle management, governance, and automation. The platform provides integrations, documentation, and support resources. It helps developers to release features, observe performance, and iterate based on data.
- Aug 2021Series D$200M
- Jan 2020Series C$54M
- Mar 2019Series C$44M
- Dec 2017Series B$21M
#8
Series F · San Jose, California · founded 2010 · 510 employees$240.7Mraised▾
Provider of software delivery platform for continuous integration and continuous delivery. The platform offers capabilities such as agentic DevOps, CI/CD, security and compliance, and feature management. It provides smart tests, release orchestration, and analytics for software delivery insights. The platform unifies and automates enterprise security, strengthens governance, and accelerates continuous compliance. It transforms fragmented security tools into connected and automated experiences.
- Dec 2021Conventional Debt$95M
- Dec 2021Series F$150M
- May 2019Conventional Debt$10M
- Jun 2018Series E$37M
#9
CircleCI 🦄Series F · San Francisco, California · founded 2011 · 404 employees$315.5Mraised▾
Provider of a platform for continuous integration and continuous delivery. The platform offers automation, allowing software teams to ship code faster and more safely. It provides tools for developers, platform engineers, security engineers, and engineering managers. The platform supports various integrations, including GitHub, GitLab, Bitbucket, AWS, GCP, Azure, and Kubernetes.
- May 2021Series F$100M
- Apr 2020Series E$100M
- Jul 2019Series D$56M
- Jan 2018Series C$31M
#10
Netlify 🦄Series D · San Francisco, California · founded 2013 · 295 employees$212Mraised▾
Provider of a platform for web application development and deployment. It offers tools for building, deploying, and scaling web applications. The platform includes features such as serverless functions, data storage, and image optimization. It supports various frameworks and integrates with development tools.
- Nov 2021Series D$105M
- Mar 2020Series C$53M
- Oct 2018Series B$30.1M
- Aug 2017Series A$12M
#11
Series A · Foster City, California · founded 2001 · 12 employees$24.6Mraised▾
Cloud-based dependency management solution provider. The solution generates a map of runtime dependencies across a platform, application, and database. Some of the features include continuous modernization, incident and change management, monitoring hybrid data management environment, legacy application modernization, and more.
- Oct 2023Series A$952.2K
- Aug 2022Series A$4M
- Apr 2021Series A$16M
- Dec 2020Series A$3.6M
#12
Public · Sunnyvale, California · founded 2008 · 1400 employees$227Mraised▾
Provider of software supply chain platform for DevOps and security. The platform offers visibility, security, and control for automating software releases. It brings together DevOps, DevSecOps, and MLOps teams in a single source. The platform provides artifact management, secure distribution, and device management. It also offers software package curation, security scanning, and application risk governance.
- Oct 2018Series D$165M
- Jan 2016Series C$50M
- Jul 2014Series B$7M
- Jun 2012Series A$3.5M
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
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.