Build to Zero has reached a key milestone in its development after closing a financing transaction involving Axon Desarrollo Andalucía, an R&D&I Fund of Funds promoted by the Government of Andalusia and the European Investment Bank to foster research, development, innovation, and digitalization in Andalusia, within the framework of the European Regional Development Fund (ERDF 2021–2027).
In addition, the company has obtained a credit rating from a rating agency and has carried out a capital increase in which all of its shareholders—both financial and professional—have participated, contributing proportionally in order to maintain their respective ownership stakes. The unanimous decision by all shareholders to reinvest and support this new phase of growth represents one of the strongest demonstrations of confidence in the project and in its long-term vision.
A product-driven company
Build to Zero is a company fully focused on product development. Its thermal energy storage solution, ThermalBox®, is continuously improved through rigorous engineering, a lean approach, manufacturing optimisation, simplicity of design, and ease of installation and operation.
The company is finalising its first commercial installation and has already signed five additional new projects. Today, its technology is among the most competitive in the market in terms of €/MWh cost of thermal storage, with a clear objective: to achieve a technology that requires no subsidies before 2030, supported by a well-defined roadmap.
A long-term oriented financing model
Unlike the traditional startup model, Build to Zero is not driven by successive funding rounds. The company is financed by its shareholders, together with Axon Partners Group, maintaining a stable structure aligned with sustainable value creation.
At the same time, the entire team participates in the company’s equity, reinforcing a culture focused on creating value for customers, for society—by decarbonising industry—and for the people who build the project every day.
Diversity and strong governance by conviction
Build to Zero is a 50/50 women and men company, not as a response to trends or obligations, but based on the firm belief that diversity is essential to long-term value creation.
At its first board meeting in 2022, the company voluntarily approved an equality plan and a compliance framework aligned with the highest ethical standards, well ahead of any legal requirement.
A clear long-term vision
Build to Zero operates with a long-term mindset. The company works intensively to improve its existing products and to develop new, truly disruptive solutions, setting ambitious yet sustainable goals.
Rather than running a sprint, Build to Zero is running a marathon, with a clear commitment to ensuring that its team can enjoy the journey and build a fulfilling professional and personal life.
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