4B - DOVISTA A/S

4B is a leading provider of innovative and reliable vertical windows, front doors, and facade solutions, based in Hochdorf, Switzerland. Committed to enhancing comfortable living, 4B has upheld a strong family-owned legacy for over 125 years, embodying the essence of ‘Swissness’. The company traces its roots to Schreinerei Bachmann AG, which was taken over in 1996 by the fourth-generation Bachmann brothers — Mark, Otto, Ivo, and Rainer. Under their leadership, 4B has grown into a national market leader.

Established:	1896 – joined the DOVISTA Group in 2025
Products:	Vertical windows and facade solutions made from wood/aluminium solutions
Main Markets:	Switzerland
Segments:	Renovation and new building
Channels:	Primarily private customers and architects

About DOVISTA

Founded: In 2004 – for the operation and development of a steadily growing group of brands, which together represent about 750 years of experience in the manufacture of vertical windows and exterior doors.
Head office: Horsens, Denmark
Number of employees: Approx. 6,000
Products: Vertical windows and exterior doors in wood, wood/aluminium, PVC, PVC/aluminium and aluminium
Brands: Dobroplast, Egokiefer, KRONE, Mockfjärds, Natre, OH Indutri, Rationel, Slovaktual, Svenska Fönster, VELFAC, WebCom, Wertbau, Weru
Core markets: Denmark, Germany, Ireland, Norway, the UK, Sweden, Switzerland, Poland, and Slovakia
Production: Denmark, Germany, Lithuania, Norway, Poland, Slovakia and Sweden
Ownership: Owned by VKR Holding A/S, a public limited company with a non-profit, charitable fund as the largest shareholder

4B

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About DOVISTA