What is STAX Engineering?
STAX Engineering specializes in developing and deploying advanced exhaust capture systems for maritime vessels. Their patented, flexible system is designed for universal application, fitting all ship types without modification, even in challenging port environments. The technology effectively captures exhaust, filters out 99% of particulate matter (PM) and 95% of oxides of nitrogen (NOx), releasing purified gas. To date, STAX has treated 426 at-berth vessels, cumulatively processing 100 tons of pollutants over 13,000 hours, demonstrating a substantial impact on reducing air pollution in congested ports.
How much funding has STAX Engineering raised?
STAX Engineering has raised a total of $260M across 3 funding rounds:
Other Financing Round
$40M
Other Financing Round
$70M
Unspecified
$150M
Other Financing Round (2024): $40M with participation from Upper90
Other Financing Round (2025): $70M led by Deutsche Bank and Firstime Ventures
Unspecified (2026): $150M supported by Bain Capital
Key Investors in STAX Engineering
Bain Capital
Bain Capital is a leading global private investment firm with a broad platform that invests across Private Equity, Growth & Venture, Capital Solutions, Credit & Capital Markets, and Real Assets. Their Special Situations team offers flexible funding and strategic value-add services, making them a key partner for companies seeking tailored capital solutions.
Deutsche Bank
Deutsche Bank provides corporate and investment banking, private clients, and asset management services globally. Their Investment Bank segment offers advisory services, and their Corporate Bank segment provides risk management and financing solutions, supporting companies with diverse financial needs.
Firstime Ventures
Firstime Ventures is an investment firm focused on companies creating a sustainable and accessible future, aligning with UN Sustainable Development Goals. They invest in impactful products addressing global challenges like climate change and have a strong portfolio in climate-tech startups.
What's next for STAX Engineering?
With the infusion of major enterprise-level capital and a recent strategic investment, STAX Engineering is poised for significant scaling and operational expansion. The company's focus on environmental technology and pollution reduction aligns with increasing global regulatory pressures and a growing demand for sustainable maritime solutions. This funding will likely accelerate product development, enhance manufacturing capabilities, and expand market reach to address the critical issue of at-berth vessel emissions. The strategic backing from prominent investors suggests confidence in STAX Engineering's ability to capture a substantial share of the growing environmental technology market.
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