Kerakoll Acquires 60% Stake in Caltra Nederland
Deal News | May 21, 2025 | Finance Community IT - 1 Corporate M&A

Kerakoll, a certified B Corp company known for its eco-friendly building products, has purchased a 60% stake in Caltra Nederland, an innovative Dutch company specializing in supplementary cementitious materials and low-carbon clinker. The acquisition, finalized on May 16, aligns with Kerakoll's international growth strategy aimed at sustainable development. Steda Holding, the previous majority owner, sold this stake, whilst the remaining 40% will continue to be owned and operated by Danille M. Hemmink-van Nes and Stephan P. van Nes, who will lead future projects. The advisors involved in the transaction included KPMG for financial and tax aspects, Tauw for environmental concerns, BonelliErede for legal advice, and deBreij for local legal matters. Caltra Nederland, founded by Ludo van Nes in 1984 and managed by his children since 2013, currently operates three production plants with a fourth planned to be operational by the third quarter of 2025. This acquisition is seen as a key step for Kerakoll in building a strong international presence in sustainable building materials.
Sectors
- Construction Materials
- Sustainable Development
Geography
- Italy – Kerakoll, the acquiring company, is headquartered in Italy.
- Netherlands – Caltra Nederland, the target company, is based in the Netherlands.
Industry
- Construction Materials – The article primarily involves Kerakoll and Caltra Nederland, companies engaged in the production of construction materials, including low-carbon cementitious products.
- Sustainable Development – The acquisition focuses on environmentally friendly building materials, underscoring the trend toward sustainable development in construction.
Financials
- 60% stake – The portion of Caltra Nederland acquired by Kerakoll.
Participants
Name | Role | Type | Description |
---|---|---|---|
Kerakoll | Bidding Company | Company | An Italy-based certified B Corp focused on eco-friendly building products. |
Caltra Nederland | Target Company | Company | A Dutch company specializing in alternative, low-carbon construction materials. |
Steda Holding | Selling Company | Company | The previous majority owner of Caltra Nederland. |
Danille M. Hemmink-van Nes and Stephan P. van Nes | Management | People | Current operational leaders of Caltra Nederland who retain a 40% stake. |
KPMG | Financial and Tax Advisor | Company | Provided financial and tax advice to Kerakoll during the transaction. |
Tauw | Environmental Advisor | Company | Advised Kerakoll on environmental and ESG matters. |
BonelliErede | Legal Advisor | Company | Served as legal advisor to Kerakoll. |
deBreij | Legal Advisor | Company | Handled local legal matters for Kerakoll in the Netherlands. |
Marktlink | Financial and Legal Advisor | Company | Advised Steda Holding on the sale of Caltra Nederland. |