Austin, Texas — Venture Studio
We build companies
block by block.
Cube ATX is a venture studio building and backing ambitious early-stage companies from Austin, Texas. We co-found, capitalize, and craft the foundation founders need to scale.
01 — About
A studio, not a fund.
We start with the problem and work backwards. Cube ATX partners with operators and technical founders at the earliest stage — sometimes day zero — to turn raw conviction into companies worth building.
We bring capital, operating muscle, and a network forged in the Austin tech scene. We stay close, write the first checks, and roll up our sleeves until the company stands on its own.
02 — What we do
Three faces of the cube.
01
Co-found
We sit alongside founders from inception — shaping product, recruiting the first team, and getting to a defensible wedge.
02
Capitalize
Pre-seed and seed checks from the studio, plus warm intros to the right downstream partners when it's time to raise.
03
Compound
Hands-on operating support across hiring, GTM, and finance — long after the term sheet is signed.
03 — Focus
Where we play.
We build in categories where Austin has a structural edge — software, infrastructure, and the operators who know them best.
- 01AI & Applied ML
- 02Vertical SaaS
- 03Fintech Infrastructure
- 04Developer Tools
04 — Contact
Building something?
Let's talk.
We read every inbound. The best way to reach us is a short note about what you're building and why now.
Studio
West Austin
Austin, TX