About BTA SA

More than 30 years of know-how at your service

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From the design to the installation of your veranda, we take care of everything.

If you are looking for a reliable company with a solid reputation in the construction of conservatories, entrance gates or terrace and balcony enclosures, you've come to the right place! BTA SA is a company with 30 years of experience in the aluminium joinery market throughout Romandy.

We take care of everything for you from A to Z: from drawing up plans to final assembly, including coordination with the various trades on site. We accompany our customers from the initial enquiry to the handover of the keys.

To guarantee the highest quality, we work with well known suppliers such as Biossun, Cover, Glaströsch, Winter Creations, Technal and Finstral, with whom we have enjoyed a relationship of trust for several decades. What's more, all the aluminium and PVC components used to build your verandas are manufactured directly in our workshops in Sion, Valais.

Whether you're a private customer or an architectural firm interested in our products, contact us now to discuss your project and agree a quote.

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Our expertise

We manage everything for you from A to Z: from drawing up plans to final assembly, including coordination with the various trades present on site. In this way, we support our customers from the initial enquiry to the handover of the keys. What's more, all the aluminium and PVC components used to build your veranda are manufactured directly in our workshops in Sion, Valais.