About Us Liegenschaften Treuhand St.Gallen AG was founded in 1975. Since the beginning of our operations, we have been managing real estate in the greater St. Gallen area. Our clientele includes private individuals, condominium owners’ associations, communities of heirs, and real estate companies. Services • Consulting and support • Administration and valuation records • Documentation • Real estate management • Property management • Planning and maintenance • Sales & valuation Whether you need assistance with a single-family home, condominium, multi-family residence, commercial property, or building plot, we provide comprehensive advice in every case.

Welcome to AZ‑Glasfasertechnik GmbH in Amriswil – your expert partner for powerful fibre optic solutions across Eastern Switzerland. From FTTH to FTTS or FTTB, we plan, install, splice, and connect your fibre lines from the central hub to your premises. Whether for homes or businesses, we build future-ready network infrastructures. With tailored consulting, precise execution, and on-site support, we deliver full-service fibre solutions that keep your data flowing fast and reliably.

Alu Klinik AG is your specialist for high-quality aluminum products and custom metal processing solutions. We offer tailor-made window sills, facade cladding, parapet panels, baseboards, and gallery fascias , precisely designed for your construction projects. Our expertise includes sheet metal cutting, bending, powder coating, and installation , ensuring durable, aesthetic, and functional solutions. With precise manufacturing and personalized consulting, we efficiently implement your requirements. Trust Swiss quality for aluminum products in construction, architecture, and industry.