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Epsilon3 provides an operating system for spacecraft and launch vehicle operations, digitizing test and launch procedures for its customers.
ACTIVEEpsilon3 provides procedure and resource management software (SaaS) for mission-critical operations, unifying manual workflows and legacy systems into one platform for planning, building, testing and executing complex procedures in aerospace, defense, nuclear energy and other high-stakes industries.
Epsilon3 provides procedure and resource management software (SaaS) for mission-critical operations, unifying manual workflows and legacy systems into one platform for planning, building, testing and executing complex procedures in aerospace, defense, nuclear energy and other high-stakes industries.
Not ranked: Only 44% of applicable weight is backed by data; 50% is needed to rank.
3 of 7 inputs measured · Insufficient data · 44% of applicable weight backed by data
Not measured: Headcount, Market value, Reported revenue
Not measured: Open-role change (90 days)
A pillar score averages the company’s percentiles among the tracked companies with a value: relative standing, not a grade. Inputs measured 2026-10-14 (UTC) · methodology v6. Every input, its value and percentile · How it is computed
The Space Score ranks companies relative to each other on public data we hold. It describes; it does not rate, forecast or recommend. It is not a credit rating and not investment advice. Full disclaimer
Sources: Founded, Headquarters, CEO, Legal name
For information only, not investment advice. SpaceNexus is not a registered investment adviser, broker or dealer, and nothing here is a recommendation to buy, sell or hold any security. Data may be delayed, estimated or incomplete; check the source before acting. Full disclaimer
3 private rounds on record. Debt, grants, state capital, owner funding and acquisitions are listed under Funding history by class and not added in.
Cloud-based operating system for managing complex test and launch procedures.
Checking for a discussion…
Compiled Oct 14, 2026 from 5 public records. Every figure links the record it comes from.
Form D notices
1 offering reported on Form D
first sale Jun 20, 2022
Each offering counts once: a later amendment (Form D/A) replaces its original. Form D names no round label and no investors. Filings for a merger or SPAC deal are left out.
Sourced rounds on record
3 rounds, $18.8M disclosed
Every round has a disclosed amount
Published rounds with a source link only, on the same rules as the funding tracker. Each round links the source that states its figure; amounts in other currencies are converted to dollars at the rate shown on the funding tracker.
Source: Epsilon3
Latest round Jun 20, 2022
Also: TechCrunch, Stage Venture Partners (lead investor announcement)
Took part in Pre-seed (Mar 18, 2021)
Stage Venture Partners (lead investor announcement), Mar 18, 2021
Stage Venture Partners
Recorded as lead of Pre-seed (Mar 18, 2021)
Stage Venture Partners (lead investor announcement), Mar 18, 2021
APA
SpaceNexus. (2026, October 14). Epsilon3: Company dossier [Data set]. Retrieved October 14, 2026, from https://spacenexus.us/company-profiles/epsilon3
Chicago
SpaceNexus. "Epsilon3: Company dossier." Data as of October 14, 2026. Accessed October 14, 2026. https://spacenexus.us/company-profiles/epsilon3.
BibTeX
@misc{spacenexus_epsilon3_2026,
author = {{SpaceNexus}},
title = {{Epsilon3}: Company dossier},
year = {2026},
month = oct,
howpublished = {\url{https://spacenexus.us/company-profiles/epsilon3}},
url = {https://spacenexus.us/company-profiles/epsilon3},
urldate = {2026-10-14},
note = {Data as of 2026-10-14; each fact links its primary source}
}