The Dutch company develops, produces and sales alternative low-emission binders and cementitious materials.
Under the terms of the deal, Caltra’s current shareholders retain a 40 per cent stake and the operational leadership of the company.
Sassuolo / Mijdrecht (Netherlands), 19 May 2025 – Kerakoll S.p.A. (‘Kerakoll’), a B Corp certified Benefit Company operating internationally in the building sector, and Steda Holding B.V. (‘the Seller’) announce the completion of a strategic partnership, involving the acquisition by Kerakoll of 60% of the share capital of Caltra Nederland B.V. (‘Caltra’), a company controlled by the Seller.
Caltra Nederland B.V. is a Dutch company specialising in the development, production and sale of Supplementary Cementitious Materials, SCMs, and Low-Carbon Clinker.
Founded in 1984 by Ludo van Nes, the company passed under the leadership of his daughter Daniëlle and son Stephan in 2013. Caltra currently operates 3 production plants, with a fourth plant under construction also in the Netherlands, which is expected to be activated by the third quarter of 2025.
The aim of the transaction – formalised on 16 May – is to combine skills and resources to develop alternative binders with low carbon emissions, grasping the opportunities offered by the transformation of the cement sector, committed to reducing environmental impact, and by the implications for the premixed products sector.
The decarbonisation of construction – with the cement industry responsible for about 7 per cent of total greenhouse gas emissions – is one of the most important future challenges to achieve zero emissions. The use of additives, alternative materials and circular economy solutions, are some of the most promising solutions to reconvert the industry’s business models.
Daniëlle M. Hemmink-van Nes and Stephan P. van Nes will maintain a 40% stake in Caltra, and will continue to head operations in the company, guaranteeing continuity and stability for workers, suppliers and customers, as well as for all the other significant stakeholders. In addition, they will play a key role in the planning and implementation of the ambitious projects aimed at introducing increasingly innovative solutions onto the market.
“The acquisition of a majority shareholding in Caltra marks a further step forward in the innovation and sustainability process embarked on by Kerakoll,” said Fabio Sghedoni, Vice President of Kerakoll Group. “The current market trends require creative thinking and a broader vision, with a proactive approach aimed at embracing change: this is exactly how Kerakoll has been operating since its foundation. I am delighted to welcome Daniëlle, Stephan and everyone at Caltra to Kerakoll Group, because we share the same values, the same enthusiasm and the same commitment to sustainable innovation. I firmly believe that together, we can bring truly revolutionary solutions for our sector to the market.”
‘With this strategic operation,’ commented Marco Zini, Group CEO of Kerakoll, “our Group secures an important international presence, in the heart of Europe, in terms of know-how on components that will be crucial for the development of alternative cements, such as SCMs and Low-Carbon Clinkers. Direct access to the best sources of supply of these strategic raw materials will, in fact, increasingly be a critical success factor for the sustainable future of the building and construction world.”
Kerakoll was assisted in the transaction by BonelliErede and deBreij as Legal Advisors, by KPMG for the financial aspects, and by TAUW for the aspects regarding the environment and ESG. The Seller was assisted by Marktlink as Financial & Legal Advisor.