Coolbrook
Coolbrook is a technology company specializing in decarbonization solutions for heavy industries. They offer innovative products like the RotoDynamic Heater and Reactor, aimed at electrifying high-temperature industrial processes. Their customers include major players in the cement, steel, petrochemical, and aluminum sectors, who seek to reduce their carbon footprint and transition to cleaner production methods. Coolbrook operates through partnerships with leading industrial producers and technology firms.
Headcount
Website visitors
Workforce
Headcount by location
- Finland46%
- United Kingdom34%
- India12%
- The Netherlands8.0%
Split by department
- Engineering & R&D33%
- Operations22%
- Founder, Owner & Executive17%
- Finance & Administration8.3%
- Other19%
Seniority distribution
- Less than 5 years83%
- 10 to 20 years8.6%
- 5 to 10 years5.7%
- 30 years and more2.9%
Funding
Raised to date
- 31 Oct 2023DebtUndisclosedNefco - the Nordic Green Bank
- 25 Nov 2020Series Other$7.4MButterfly Ventures
One earlier round, with its terms and sources.
Investors
Nefco - the Nordic Green BankNefco is a not-for-profit environmental finance institution that provides loans, equity funding, and financial support for Nordic SMEs and municipalities in Eastern Europe. It focuses on financing green projects and sustainable development83Finland
Butterfly VenturesButterfly Ventures is a venture capital firm specializing in seed-stage investments in deep tech startups across the Nordics and Baltics. The firm provides capital and strategic support to early-stage companies in various sectors, including59Finland
Revenue
EBITDA
Revenue source: Private reported FY2025 (Finnish Patent and Registration Office)
Recent news
- Coolbrook revenue.has revenue
- ABB and Coolbrook deliver first RotoDynamic Heater to Adani Cement.signs new client
- Coolbrook and ABB partnership advances to industrial delivery phase of RotoDynamic Heater technology to Adani Cement.signs new client
- Coolbrook wins Reuters Events: Global Energy Awards 2026 Technologies of Change - Pioneering Decarbonisation award.attends event
Financials
Years of filed statements — balance sheet, profit and loss, ratios and the source documents
Ownership
Shareholders, officers and ultimate beneficial owners, with the stakes each one holds
People
How the team has changed month by month — joiners, leavers and where the hiring is going
Connections
Who at your firm already knows someone here, and how warm the path is
The full Coolbrook profile lives in Inven.

Your competitors are already on Inven
See how Inven turns hours of manual research into a single, structured workflow.
