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Trunk provides a platform that enhances continuous integration (CI) reliability by addressing common developer pain points. Its core offerings include advanced flaky test detection and management, enabling automatic quarantining, detailed analysis, and integrations with ticketing systems. Additionally, Trunk offers an intelligent merge queue that employs anti-flake protection, smart batching, and parallel processing to optimize code integration and prevent broken builds in complex development environments.
The company was founded in 2021 by David Apirian and Matt Matheson, who recognized the growing inefficiencies and frustrations within large-scale software development, particularly concerning unstable CI pipelines. Their insight centered on the need for sophisticated tooling that could proactively identify and resolve issues like flaky tests and merge bottlenecks, thereby streamlining the developer workflow and improving overall system stability.
Trunk serves engineering teams aiming to maintain a robust and efficient CI/CD pipeline, allowing developers to focus on writing code rather than debugging build failures. The company envisions a future where development processes are significantly accelerated, and code quality is inherently higher, empowering teams to deliver software more rapidly and reliably without compromising stability.
Trunk has raised $31.0M across 3 funding rounds.
Trunk has raised $31.0M in total across 3 funding rounds.
Trunk (trunk.io) is a San Francisco-based engineering software company that builds a CI reliability platform to streamline code checking, testing, merging, and CI workflows, helping developers ship features faster without babysitting pull requests (PRs).[2][3] It serves software engineering teams at fast-growing companies, solving pain points like flaky tests, slow CI runs, and merge queue bottlenecks by offering tools for automatic test quarantining, AI-powered failure analysis, intelligent batching, and integrations with GitHub Actions, Slack, Linear, and Jira.[3] With $25M in total funding, including a recent round, Trunk demonstrates strong growth momentum, trusted by thousands of engineers at companies like WorkOS and Faire.[2][3]
Trunk was founded in 2021 as Trunk Technologies Inc., a dev tools startup aimed at redefining software development workflows.[6] While specific founders are not detailed in available sources, the company emerged amid the rise of remote engineering teams and complex CI/CD pipelines, pooling open-source tools for real-time code correction, formatting, and testing to address developer frustrations with PR management.[2] Early traction came from its straightforward multi-language support and tools like Trunk Merge, which reduced merge times from 30 minutes to seconds, as noted by users at Faire; it quickly raised $25M and launched products like CI Analytics for GitHub Actions.[2][3]
Trunk rides the trend of AI-augmented DevOps and CI reliability in an era of sprawling codebases and distributed teams, where flaky tests and CI inefficiencies waste billions in engineering time annually.[3] Timing is ideal post-2020s remote work boom and GitHub's dominance, with market forces like rising cloud costs and AI tooling (e.g., auto-analysis) favoring platforms that keep CI "green" and scalable.[2][3] It influences the ecosystem by standardizing best practices for PR hygiene, reducing rework for startups scaling to enterprise, and complementing tools like GitHub Actions—positioning it as essential infrastructure for velocity-focused teams.[3]
Trunk is poised to expand as CI/CD complexity grows with AI-generated code and multi-repo sprawl, potentially integrating deeper with emerging LLMs for predictive flakiness or enterprise SLAs.[2][3] Trends like zero-trust CI and cost-optimized batching will shape its path, evolving its influence from dev tools to full-stack reliability platforms that power unicorn-scale shipping. This focus on "faster features, less babysitting" cements Trunk as a quiet force multiplier for engineering velocity.[3]
Trunk has raised $31.0M in total across 3 funding rounds.
Trunk's investors include Pi Labs, Andreessen Horowitz, Initialized Capital, B Capital Group, First Round Capital, Kleiner Perkins, Y Combinator, Anna Patterson, Catherine Wood, Sumon Sadhu, Tom Preston-Werner, Garage Capital.
Trunk has raised $31.0M across 3 funding rounds. Most recently, it raised $2.0M Seed in April 2023.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Apr 1, 2023 | $2M Seed | — | PI Labs | Announced |
| Apr 1, 2022 | $25M Series A | Andreessen Horowitz, A16z Scout Fund, Initialized Capital | B Capital Group, First Round Capital, Kleiner Perkins, Y Combinator, Anna Patterson, Catherine Wood, Sumon Sadhu, TOM Preston Werner, Garage Capital, Haystack Ventures, Nicolas Dessaigne | Announced |
| Feb 1, 2021 | $4M Seed | — | Andreessen Horowitz, B Capital Group, First Round Capital, Kleiner Perkins, Anna Patterson, Catherine Wood, Sumon Sadhu | Announced |
