About Flox
Flox is a Technology company based in New York (United States) founded in 2023 by Michael Brantley and Ron Efroni. Development environments are managed and shared via a cloud-based platform. It operates on a SaaS (Software-as-a-Service) model. Flox has raised $66.39 million across 3 funding rounds from investors including D. E. Shaw Group, NEA and Addition. Its chief executive, as recorded, is Ron Efroni. Its website flox.dev draws about 54 thousand monthly visits. Flox offers products and services including Flox Dev Environment. Its focus areas include Software and Development Tools. Its competitors include Cloudsmith, Helm and Homebrew; 1 of its 3 listed competitors has raised funding.
Company details
Flox is engaged in developing software tools for managing development environments. Solutions are provided to ensure consistency across software lifecycles, enabling teams to onboard quickly and work flexibly. Environments can be synchronized, layered, and shared across different architectures. The company targets software developers and teams, aiming to streamline building and shipping processes within the technology sector.
- Total Equity Funding$66.39M (USD)
in 3 rounds
- Latest Funding Round$25M (USD), Series B
Sep 2025
- InvestorsD. E. Shaw Group
& 4 more
Products & Services of Flox
Flox offers a comprehensive portfolio of products and services, including Flox Dev Environment.
Flox environments are managed for consistent software development.
Funding Insights of Flox
Flox has successfully raised a total of $66.39M across 3 strategic funding rounds. The most recent funding activity was a Series B round of $25 million completed in September 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $66.39M
- Total Rounds 3
- Last Round Series B — $25M
- First Round $16.5M
(Feb 2023)
- Investors Count 5
All 3 funding rounds of Flox with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Sep 2025 | $25M | Series B | – | Addition | |
| Aug 2025 | $24.89M | Series B | – | – | – |
| Feb 2023 | $16.5M | Series A | – | New Enterprise Associates | – |
5 investors in total: 5 institutional.
Investors in Flox
Flox has secured backing from 5 investors, including venture fund and institutional investors. Prominent investors backing the company include D. E. Shaw Group, NEA and Addition.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Venture capital investments are offered to startups by NEA. | nea.com | Menlo Park, United States | ||
Investments are made in early and growth-stage technology startups. | addition.com | New York, United States | ||
Early-stage Israeli startups are supported through venture capital investments. | 2018 | hetz.vc | Tel Aviv, Israel | |
| illuminatefinancial.com | ||||
Multinational investment management services are provided globally. | 1988 | deshaw.com | New York, United States |
Investor details for Flox
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People of Flox
14 people are tracked at Flox (5 in leadership, 9 in team).
| Name | Role | Group |
|---|---|---|
Michael Brantley | Co-Founder & CTO | Leadership |
Ron Efroni | Co-Founder & CEO | Leadership |
Aaron Jacobson | Director | Leadership |
Ben Futoriansky | Director Of Business Operations | Leadership |
Michael Stahnke | Vice President of Engineering | Leadership |
Stephen Swoyer | Staff Writer | Team |
William Levine | Software Engineer | Team |
Robin Brantley | Project Manager | Team |
Rok Garbas | Software Engineer | Team |
Katherine Saunders | Operations | Team |
Yannik Sander | Software Engineer | Team |
Nick Lewis | Software Engineer | Team |
Tanja Ulianova | Software Engineer | Team |
Zach Mitchell, PhD | Software Engineer | Team |
Complete people profiles for Flox
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Timeline of Flox
3 dated milestones of Flox across 2 years, from founding to its latest funding, stage changes and deals.
- Founded Flox is founded.
- Funding First funding round of $16.5M.
- Funding Latest funding round, Series B, of $25.0M.
Competitors of Flox
Flox has 3 listed competitors in our database, 1 of them funded. They include Cloudsmith, Helm and Homebrew.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| cloudsmith.com | 2005 | New York, United States | $60.7M | Cloud based package management platform | ||
| helm.sh | 2015 | St Helena, United States | Helm is recognized as a package manager for Kubernetes applications. | |||
| brew.sh | 2009 | Brooklyn, United States | Homebrew is recognized as a package manager for macOS and Linux. |
Detailed competitors of Flox
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
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Web traffic of Flox
The website of Flox (flox.dev) receives about 54.1K visits a month.
- Monthly visits54.1K
▲ 10.7% vs previous month
Websites whose visitors overlap most with Flox. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| google.com | 100% | 85.8B | #1 | View details | |
nixos.wiki | nixos.wiki | 88% | #351,365 | – |
Top companies in Developer Ecosystem
3 companies that operate in the same segment as Flox (Developer Ecosystem) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud-based software for continuous application development and deployment. | 2013 | San Francisco, California, United States | USD 212 M | 205 | ||
Cloud-based feature management platform is utilized for software deployments. | 2014 | Oakland, California, United States | USD 330.3 M | 676 | ||
Automatic builds, testing, and deployments are managed via self-service platform. | 2017 | San Francisco, California, United States | USD 613.79 M | 1,829 |
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Related news about Flox
Complete news archive for Flox
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Frequently Asked Questions about Flox
Flox was founded in 2023.
Flox is headquartered in New York, United States. It is registered at New York, New York, United States.
Ron Efroni is the CEO of Flox, as recorded in our data. They have also founded this company.
Flox is a funded company, having raised a total of $66.39M across 3 funding rounds to date. The company's 1st funding round was a Series A of $16.5M, raised on Feb 2023.
Flox is engaged in developing software tools for managing development environments. Solutions are provided to ensure consistency across software lifecycles, enabling teams to onboard quickly and work flexibly. Environments can be synchronized, layered, and shared across different architectures. The company targets software developers and teams, aiming to streamline building and shipping processes within the technology sector.
Flox's top competitors include Cloudsmith, Helm and Homebrew.
Flox offers Flox Dev Environment.
Flox has 5 investors. Key investors include D. E. Shaw Group, NEA, Addition, Hetz Ventures, and Illuminate Financial.