Made to Innovate

Who we are

Dalsem is a constant in a changing world. For generations, we have stood alongside growers and investors, understanding your ambitions, your challenges, and your craft. In every partnership, we strive to be a reliable tool, a resilient partner, and an innovator for growth.

A family-owned company with over
90 years of experience

We have been here for almost a century. From the Dutch Westland, we have grown across borders, taking root on every continent. Today, our greenhouses are needed more than ever to help feed the world with healthy, safe and affordable food.

At Dalsem, technology works hand in hand with nature’s finest. Every detail inside our greenhouse is engineered with precision to create the ideal environment for growth. We don’t believe in shortcuts, quality takes time. That’s why we will be here for generations to come. For plants, for the people, and for the planet.

Part of GreenV

GreenV is your portal to world-leading complete greenhouse projects, knowledge and experience. With our family of companies, we provide integrated solutions around the world for professional crop production: from vegetables to ornamentals; from super foods to soft fruits. Our team of horticulture experts understands your unique needs and the local circumstances that shape them.

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Being part of GreenV allows us at Dalsem to keep building for the future. It ensures stability for our partners and reinforces our commitment to solutions that support people, communities and the planet.

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A true family‑owned company

Dalsem’s origins can be traced back to 1932, when Kasper Dalsem began working as a blacksmith in the Westland region: the traditional heart of Dutch horticulture. This laid the foundation for the company as it is known today.

Greenhouse construction was its primary activity for many years. Over time, the company gradually broadened its horizons. Today, Dalsem works on both complete greenhouse projects and individual systems, such as irrigation and heating projects.

Dalsem’s factory now covers 60,000 m² and is located in Den Hoorn.

Since 1932

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With over 90 years of experience, Dalsem has completed 1,500 projects in 52 countries, covering more than 5,000 hectares of high-tech greenhouses worldwide.

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Smart Greenhouses for a Sustainable Future

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“Producing food in greenhouses often also offers the opportunity to reduce environmental impact compared to open-field cultivation.”

Frank van der Gelt

Chief Executive Officer

Climate-adaptive greenhouse innovation

We develop closed-loop, high-tech systems that capture and reuse excess heat, enabling efficient food production in arid and climate-stressed regions.

Reduced resource use, maximized efficiency

By optimizing cultivation technologies and operational performance, we work to significantly lower water use per kilogram of food and reduce the carbon footprint of our greenhouses through greener alternatives for high-impact materials.

Designed for circularity

We increase circularity at end-of-life, by ensuring that 100% of structural greenhouse materials (steel, aluminum, glass) are recyclable by 2030.

Our team

The People
behind Dalsem

A community committed to
make an impact

Who we are

Part of GreenV

Smart Greenhouses for a Sustainable Future

Climate-adaptive greenhouse innovation

Reduced resource use, maximized efficiency

Designed for circularity

The People behind Dalsem

Frank van der Gelt

Joost Jacobs

Michael Ploeg

Marc Broeren

Hans Fakkert

Joop van Riessen

Dennis Knijnenburg

Zahra Yagouthi

The People
behind Dalsem