Castiron Ventures
Castiron Ventures is a venture capital firm based in Denver, United States. This profile covers what Castiron Ventures invests in, its typical stage and check size, and how founders can get in front of it in 2026.
Castiron Ventures is an investment management company that invests in angel and seed-level investments.
- Location
- Denver, United States
- Founded
- 2020
- Team size
- 1-10
- Investments
- 10
How to pitch Castiron Ventures
The founders who hear back from Castiron Ventures lead with traction and a clear ask that matches its stage, not a generic mass email. Build a targeted, verified list, write a personalized note, and track who opens it, all in one place.
Connect with Castiron Ventures
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.
Cite this page
Round Funded. "Castiron Ventures." Round Funded investor database, updated October 19, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/vc/castiron-ventures
Frequently Asked Questions
What is Castiron Ventures?
Castiron Ventures is a venture capital firm based in Denver, United States. Round Funded tracks its focus, stage, and activity alongside thousands of active investors.
Is Castiron Ventures actively investing?
Yes, Castiron Ventures is an active a venture capital firm. Reach out with a personalized pitch that fits its stage and focus, then track who opens it.
Where is Castiron Ventures based?
Castiron Ventures is based in Denver, United States. You can reach out from anywhere with a pitch that matches its focus.
How do I contact Castiron Ventures?
Unlock Castiron Ventures's verified email and reach out with a personalized pitch on Round Funded. We show only deliverable contacts, so your outreach does not bounce.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.