STAX Engineering
PrivateLast Round
Debt
Jun 30, 2026
Total Funding Raised
$260M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
STAX Engineering is a clean technology company that provides mobile, barge-based, and land-based emissions capture and control services to maritime and data center operators.
Sector
Energy & Sustainability
Verticals
Maritime & Shipping, Carbon Capture, Clean Transportation
Business Model
B2B
Customer Profile
Usage-Based SaaS, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
STAX Engineering Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
STAX Engineering Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Debt | Jun 30, 2026 | ||||
| Grant | Aug 14, 2025 | ||||
| Debt and SAFE | Feb 26, 2025 | ||||
| SAFE | Feb 26, 2025 | ||||
| Debt | Jul 17, 2024 |
Key People
Founding team and executive leadership
STAX Engineering Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| UK Department for Transport | Grant |
| Deutsche Bank Private Credit & Infrastructure | SAFE, Debt and SAFE |
| Upper90 Capital Management | Debt |
| Bain Capital, LP | Debt |
| Firstime Credit | Debt and SAFE, SAFE |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 16, 2026
Partnered with TransMontaigne Partners LLC for emissions capture services.
- Nov 16, 2025
Added Perfectly4med, a maritime startup, as a customer.
STAX Engineering Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about STAX Engineering's valuation, stock price, and market status.