Prongué & Partner delivers tailored consulting and implementation in software development, data management, testing, and process analysis. We guide businesses from needs assessment through system integration to quality assurance. Our expertise covers the digitalization of business processes, workflow optimization, and the creation of secure, future-proof IT solutions. With an agile, results-driven approach, we deliver sustainable outcomes that increase efficiency, reduce risks, and support growth.

Ackermann AG in Egnach delivers over 120 years of expertise in professional HVAC planning and energy consulting across Eastern Switzerland. We design heating, ventilation, air conditioning and sanitary systems for residential, commercial and industrial buildings. Our services include bathroom renovation coordination, heating system replacement planning, energy optimisation and sustainable solutions focusing on renewable energy. With technical competence, precision and a commitment to quality, we support architects, builders and private clients in realising efficient building technology concepts. Contact us for tailored HVAC planning.

- Condominium ownership - Letting - Administrative management - Technical management - Financial management / accounting

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.

Service-Engel.ch GmbH is your local one-stop provider in Arbon for sustainable property care, garden maintenance, furniture installations, clearances, disposal, minor painting and moving services. We serve private and business clients across Thurgau, St Gallen and Appenzell. With 25+ years of hands-on experience, eco-friendly products and flexible scheduling, we keep buildings clean, outdoor areas tidy, moves stress-free and waste properly disposed of. On-site assessment and fair quotes included – reliable results that protect value and comfort.

Keller + Hofer AG is a trusted provider of heating and sanitary solutions. The company specializes in efficient heating systems, heat pumps, solar and wood-based technologies, as well as high-quality sanitary installations. Services include planning, installation, modernization, maintenance, repairs, and emergency support for new builds and renovations. The focus: reliable, sustainable building technology delivered with technical expertise, clean execution, and strong customer commitment.

Reliable event lighting for concerts, theatre, and stage productions – planned, installed, and operated with precision. Services include modern LED lighting, efficient control systems, and flexible configurations. From consultation to setup and live operation, everything is delivered seamlessly and professionally. Ideal for organizers, clubs, and creatives who value quality, consistency, and direct communication. Lighting that creates atmosphere and brings every event to life with the right mood.

Soltermann Digital Measurement provides high-precision surveying services for construction, engineering, and planning. Using drone technology, 3D laser scanning, and digital tools, we support builders, architects, and planners in realizing their projects efficiently. From on-site surveys to CAD data processing and point cloud modeling, we deliver reliable data for confident decisions. Trust in quality and experience in the Schaffhausen region.

Fuerte AG has 17 years of experience in property management and sales, as well as 24 years of experience in construction. Our services include heating and utility cost accounting, management of rental properties and condominiums. We offer new construction, conversion and energy-efficient renovations initial consultation, financing options, land price review, return calculations for sale for investor projects. Building valuations, preparation of valuation reports, architectural options, feasibility studies, status analyses, project design, building applications/permits, implementation planning, cost planning/calculations, construction management, acceptance and commissioning. We look forward to hearing from you.