Funding round

STAX Engineering Growth
Reported as "Growth Equity"
STAX Engineering, which works in emissions capture and control technology development in Long Beach, raised $40M in a Growth round announced on 17 Jul 2024, led by Upper90. 1 firm took part. It is STAX Engineering's first venture round on record.
$40M
Amount raised
Not disclosed
Post-money valuation
1
Investors
1 lead
Valuation
What this round says about the price
STAX Engineering did not disclose a valuation in this round. It is STAX Engineering's first venture round on record, in the year it was founded (2024). It is 9.8% of the $410M STAX Engineering has raised in the venture rounds on record. STAX Engineering raised again 7 months later: a Growth round of $70M in Feb 2025.
STAX Engineering's funding rounds
STAX Engineering has 4 venture rounds on record and 1 other deal. This one is highlighted.
Investors
Who put money in
Upper90 led the round.
Lead investor
- backs 23 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, geographic expansion, scaling operations and working capital.
- Product development
- Geographic expansion
- Scaling operations
- Working capital
Comparable rounds
How it compares
The closest in time, other companies' Growth rounds in Environmental Engineering Services:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Environmental Engineering Services | 26 Jun 2024 | $21M | not disclosed | not named |
| RSK Group Environmental Engineering Services | 23 Sep 2024 | $690M | not disclosed | Searchlight Capital and Ares Management |
| Climeworks Environmental Engineering Services | 2 Jul 2025 | $162M | $1.10B | BigPoint Holding and Partners Group |
Sources
Where this comes from
Reported by 2 sources.
Questions
Frequently asked
How much did STAX Engineering raise in its Growth round?
STAX Engineering raised $40M in its Growth round, announced in Jul 2024.
Who led STAX Engineering's Growth round?
Upper90 led it.
What was STAX Engineering's valuation at the Growth round?
It was not disclosed.
Did STAX Engineering raise again after this round?
Yes: a Growth round in Feb 2025 of $70M.