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About us

Our family business started its journey as a furniture manufacturer and now has production facilities in several countries. We pride ourselves on the sustainability and robustness of our products, delivering high quality and expert craftsmanship.

Most parts of the portfolio are manufactured in-house. Zwaardvis is focussed on metal-production on modern machines, powder-coating, painting and seat foaming with own moulding facilities and assembly of the pedestals. Pörtner Seats produces and assembles the complete seat-upperparts. Small and middle series are dominating, customized parts are possible. Products are distributed worldwide.

Zwaardvis and Pörtner Seats trade independently in Germany and the Netherlands under their parent company Lande Family (about 200 employees, Lande office chairs and furniture, Artifort design furniture. With factories in Schijndel/The Netherlands, Lanaken/Belgium, Bursa/Turkey).


Both companies are family-run in the 2nd and 3rd generation. Product quality, reliability and ergonomic design have priority before fashionable trends. All of our products benefit of a comprehensive part- and repair service even for elder models. Special parts will be manufactured according to sketch or drawing. We always try to be a reliable partner to do business with for seats and pedestals.


HISWA, ABYC, German Boat builder Association.