Determinate Systems
Determinate Systems is a developer tools company in Pittsfield, United States, founded in 2021. It has raised $3.5M across 1 round, most recently a $3.5M Seed in May 2022.
Bringing Nix to the enterprise for fearless software delivery
- Headquarters
- Pittsfield, Massachusetts
- Employees
- 1–10
- Founded
- 2021
- Business Model
- B2B
- Website
- determinate.systems
- Total Funding
- $3.5M
- Last Round
- $3.5M SeedMay 2022
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 1 funding round and 1 investor for this company. The full record is or through the API.
About
Determinate Systems is a developer tools company founded in 2021 that brings the Nix package manager and NixOS ecosystem to enterprise software teams. Co-founded by Eelco Dolstra — the original creator of Nix — and Graham Christensen, Determinate Systems builds products that make software reproducible, secure, and consistently deployable across laptops, CI pipelines, cloud infrastructure, and critical systems. Its core offerings include Determinate Nix (an enterprise-grade Nix distribution), FlakeHub (a flake registry and cache platform), Determinate Secure Packages (a CVE-remediated, SLA-backed fork of Nixpkgs with FIPS-compliant variants), and FlakeBOM (a CLI for generating CycloneDX SBOMs from Nix flakes). The company is headquartered in Pittsfield, Massachusetts and targets engineering teams seeking stronger software supply chain security, reproducible builds, and reduced operational risk in regulated or high-stakes environments.
Summary
It lists 1–10 employees. It has raised $3.5M in total across 1 round, most recently a $3.5M Seed round in May 2022. Investors include Root Ventures.
Tech & App Stack
6 technologies & apps tracked
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Funding History
May 2022
Investors
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