Bazel
Bazel is an open-source build and test system that delivers fast, incremental, hermetic builds for multi-language, multi-platform software projects. It is used by engineering teams at Google, Stripe, Dropbox, Canva, Databricks, Uber, Nvidia, and others to scale monorepos and CI infrastructure.
- Company typePrivate
- Founded-
- HeadquartersChicago, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Bazel does
Bazel is an open-source build and test system designed for multi-language, multi-platform software projects. Originally developed internally at Google and open-sourced in 2015 under the Apache 2.0 license, its core technology combines advanced local and distributed caching, optimized dependency analysis, parallel execution across cores and machines, and hermetic (reproducible) builds to deliver fast incremental compilation. The product surface includes the Bazel build system itself, Bazelisk as the recommended version manager, the Starlark extension language for adding language and platform support, the Bazel Query Language for dependency analysis, remote caching and remote execution features, and an IntelliJ IDEA plugin co-maintained with JetBrains. Bazel targets software engineering teams, monorepo organizations, and DevOps/platform engineering groups, with named adopters including Google, Stripe, Dropbox, Canva, Databricks, Uber, Twitter, Pinterest, LinkedIn, Lyft, Nvidia, Huawei, Asana, Braintree, and Lucid Software; Canva has publicly disclosed 5-6x CI time reductions after migration.
The project generates no direct revenue because it is free and open source. Organizational sponsors and the Linux Foundation's Build Foundation initiative, launched in 2024 to provide formal governance and long-term sustainability for Bazel and related build system projects, supply the only funding mechanism referenced in the input. Go-to-market is community-led and developer-led: users discover and download Bazel through the official website, GitHub, Bazelisk, Docker, Homebrew, and multiple package managers, and engage with support via Slack, Stack Overflow, and GitHub issues. Co-founders Helen Altshuler and Ulf Adams are listed, and the project maintains an active release cadence with version 9.1.0 currently shipping.
Bazel firmographics
Firmographics- Name
- Bazel
- Legal name
- Bazel
- Website
- https://bazel.build
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Bazel is an open-source build and test system that delivers fast, incremental, hermetic builds for multi-language, multi-platform software projects. It is used by engineering teams at Google, Stripe, Dropbox, Canva, Databricks, Uber, Nvidia, and others to scale monorepos and CI infrastructure.
- Ownership category
- akta.pro rank
Bazel industry classification
Industry- Product category
- Build Automation Software
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Enterprise Application Lifecycle Management (ALM) Platforms (HDAEAKAJ)
Keywords
Where Bazel is headquartered
LocationHeadquarters
- HQ city
- Chicago
- HQ country
- United States
- HQ region
- North America
Markets served
Bazel business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Infrastructure
Revenue model
- Open Source Project: Bazel is an open-source project available for free. It is not a commercial product and does not generate direct revenue. The project is maintained by Google and the open-source community, with funding coming from organizational sponsors and the Linux Foundation's Build Foundation initiative.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | — | Free open-source version |
Go-to-market motion1 record
Distribution channels5 records
Marketing channels8 records
Bazel product offering
Product offeringCore offering
Bazel is an open-source build and test system that automates software builds and tests for multi-language, multi-platform projects. It delivers fast, incremental builds through advanced local and distributed caching, optimized dependency analysis, and parallel execution, and it scales from small projects to massive monorepos. The product is free under the Apache 2.0 license and is distributed through Bazelisk, package managers, Docker, and source compilation.
Product overview
Bazel is an open-source build and test system developed by Google that provides a unified platform for building multi-language, multi-platform projects of any size. The core product consists of the Bazel build system itself, supplemented by Bazelisk (the recommended version manager), the Starlark extension language for customizing and extending Bazel's capabilities, the Bazel Query Language for analyzing build dependencies, Remote Caching and Execution features for distributed builds, and an IntelliJ IDEA plugin for IDE integration. The system is designed around three core promises: fast builds through incremental compilation and caching, correctness through hermetic and reproducible builds, and scalability to handle codebases of any size across multiple repositories or monorepos.
Differentiator
Problem solved
Functional benefit
Products and services
- Bazel Build System An open-source build and test system for multi-language, multi-platform projects. Provides fast incremental builds through advanced local and distributed caching, optimized dependency analysis, parallel execution, and hermetic reproducible builds. Used by Google, Stripe, Dropbox, Canva, Databricks, Uber, Twitter, Pinterest, LinkedIn, Lyft, Nvidia, Huawei, Asana, Braintree, and Lucid Software.
- Bazelisk The recommended installer and version manager for Bazel that automatically selects and downloads the correct Bazel version for a project. Available on Ubuntu Linux, macOS, and Windows and distributed through official GitHub releases.
- Starlark Extension Language Bazel's extension language used to define custom build rules, macros, and to add support for new languages and platforms. Enables community members to write and share reusable language rules.
- IntelliJ IDEA Bazel Plugin A plugin for IntelliJ IDEA that provides Bazel integration within the IDE. Co-maintained by Bazel and JetBrains.
Quantifiable outcome
- 5-6x decrease in average CI build times
- +2 more outcomes
Companies that use Bazel
Customer profileNamed customers15 records
Segments3 records
Ideal customer profiles3 records
Bazel technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Bazel partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core.
- JetBrainscoreJetBrains and Bazel announced co-maintenance of the IntelliJ IDEA Bazel Plugin, combining JetBrains' IDE expertise with Bazel's build system capabilities to provide a better development experience for users.
- Linux Foundation Build FoundationcoreThe Build Foundation, hosted by the Linux Foundation, was established to support the long-term growth and sustainability of Bazel and related build system projects. It started enrolling founding members to provide governance and funding for the open-source build ecosystem.
Scale indicators2 records
Recent moves4 records
Expansion highlights4 records
Bazel competitors and assessment
Company assessmentBroad incumbents
- JetBrains: JetBrains is the maker of IntelliJ IDEA and a strategic partner that co-maintains the IntelliJ Bazel Plugin. While broader than a build tool, its IDE platform sits adjacent to Bazel in the developer workflow and competes for IDE-side build and test integration attention.
Direct peers
- CMake: CMake is the dominant build system generator for C and C++ projects and is widely used in native, embedded, and cross-platform software. It overlaps with Bazel's C/C++ support and competes for the same developer audience in native codebases.
- Pants: Pants is an open-source build system originated at Twitter targeting large monorepos with multiple languages (Python, Java, Scala, Go, Shell). It competes with Bazel for the same monorepo adoption use case and offers a lower learning curve.
- Buck: Buck is Meta's open-source build system designed for monorepos and incremental builds, with very similar principles to Bazel (hermetic, content-addressed caching, parallel execution). It directly competes in the same large-monorepo, polyglot niche.
- Apache Maven: Maven is the long-standing default build and dependency management tool for Java projects. It overlaps directly with Bazel's Java/C++ support and competes for the same Java-heavy enterprise build workloads.
- Ninja: Ninja is a small, speed-focused build system often used as the low-level backend by higher-level generators like CMake and Bazel itself. It is comparable to Bazel in targeting fast incremental builds at scale.
- Gradle: Gradle is the dominant open-source build and test tool for JVM/Android ecosystems and is the most direct competitor to Bazel in polyglot enterprise builds. Both target large-scale monorepo and CI/CD use cases with caching, parallel execution, and dependency analysis.
- GNU Make: GNU Make is the classic, ubiquitous build automation tool for Unix-like systems and the historical baseline that modern build systems (including Bazel) position against. It remains in broad use across C/C++ and polyglot projects.
Emerging players
- Turborepo: Turborepo is an emerging build system for JavaScript/TypeScript monorepos focused on caching and parallel task execution. While narrower in scope (JS/TS only) than Bazel, it targets the same monorepo build-performance pain point for a large and rapidly growing developer base.
- Nix: Nix is a functional package manager and build system emphasizing reproducible, hermetic builds, conceptually aligned with Bazel's reproducibility guarantees. It serves a niche but technically sophisticated developer audience that overlaps with Bazel users.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Bazel social profiles
Digital presenceBazel financial estimates
Financial estimateRevenue estimate
Valuation estimate
Bazel leadership team
Management profileNumber of profiles
Profiles2 records
Bazel funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Bazel M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Bazel
What does Bazel do?
Bazel is an open-source build and test system that automates software builds and tests for multi-language, multi-platform projects. It delivers fast, incremental builds through advanced local and distributed caching, optimized dependency analysis, and parallel execution, and it scales from small projects to massive monorepos. The product is free under the Apache 2.0 license and is distributed through Bazelisk, package managers, Docker, and source compilation.
Is Bazel a public or private company?
Bazel is a private company. It is classified as unknown and is currently operating.
When was Bazel founded?
Bazel was founded in -1. It employs 1 to 10 people.
Where is Bazel based?
Bazel is headquartered in Chicago, United States, in the North America region.
How does Bazel make money?
One revenue line is on record: open Source Project.
Who are Bazel's main competitors?
JetBrains is listed as a broad incumbent. Direct peers are CMake, Pants, Buck, Apache Maven, Ninja, Gradle and GNU Make. Emerging players are Turborepo and Nix.
Does Bazel have an API?
No public API is recorded for Bazel.
What industry is Bazel in?
Bazel's product category is Build Automation Software. Its primary akta.pro industry code is HDAEAKAJ, Enterprise Application Lifecycle Management (ALM) Platforms. Its SIC code is 7372.