SULKO

SULKO s.r.o. is a Czech family company that manufactures windows and doors, including ARTEVO composite windows reinforced with glass fibres, plastic, aluminium and wooden windows, and plastic, aluminium, wooden and garage doors. Its range also covers interior and exterior shading, facade systems, fire protection systems and photovoltaic installations.

The company sells to homeowners and to construction projects, both new builds and renovations. Its stated process runs from consultation and on-site measurement through quotation, production and installation, to after-sales service. The website describes a free adjustment within 6 months of installation and a 20-year warranty. Revenue comes from product sales, installation and service.

SULKO was founded in 1993 and is registered in Zábřeh, which the company presents as its headquarters, and states that it has offices across the Czech Republic. Open positions listed on its careers page are in Zábřeh, Liberec, Praha and Brno, including production, aluminium construction technical and estimating roles, and sales management. A 2025 news item reports the company's first joint project with Reynaers Aluminium.

Product: Plastic, aluminium, wooden and composite windows; plastic, aluminium, wooden and garage doors; sun shading, facade systems, fire protection systems and photovoltaic installations.