The Riesen Building Technology AG is a company with tradition and experience. We are your specialist for building technology. Here you will find personal and competent advice. The plumbing, heating, and roofing company Arthur Riesen AG was acquired by Daniel von Mühlenen in 2003 and transformed into Riesen Building Technology AG. Riesen Building Technology AG took over all 3 employees. Son Andres successfully completed his first apprenticeship as a roofer at LWB in Bern in 2006. After his apprenticeship in 2007 as a plumbing installer at Chapuis & Zürcher AG in Bern, he deepened his professional knowledge for another year. In 2010, Andres successfully obtained his 3rd Federal professional title as a heating specialist in building technology planning at Haustechnikplanung Abbühl in Spiez. To gain further professional experience, he also worked at Böhlen AG in Bern. In 2010, Andres joined the company at 40%. Since 2012, he has been acting as managing director. He is supported by his dedicated, long-standing plumbing and heating installers as well as a trained roofer. Our Services - Plumbing - Heating - Roofing - Lightning protection - Fireplace construction - Bathtub replacement - Solar - Enamel repairs We are happy to be your contact for work around your home. Customer satisfaction is of great importance to us. We guarantee this through quality, performance, and price. The building envelope has many requirements to fulfill. We are happy to assist you. From planning to complete execution. We are professionals with appropriate training. We don't leave our customers out in the rain.

Seit 35 Jahren habe ich Produkte von Triplex. Vom Esstisch und Eckbank zu Kueche und Bett. Die Beratung, die Qualität und der Service sind aussergewöhnlich.

Welcome to KOCH Group AG. With over 300 employees at five locations in Switzerland, we have been providing innovative products, expert advice and tailored services for decades. Our range includes over 100,000 items – from fittings and tools to machines, security technology and factory equipment. Our strengths at a glance: • Range: Over 100,000 items for furniture production, windows, doors, fastening technology, security technology and much more – all tailored to your needs as a tradesperson. • Online shop : A modern shopping experience with easy navigation, detailed product descriptions, CAD data and customisable interfaces for business customers. • Logistics: Efficient processes in our 14,000 m² logistics centre guarantee fast and flexible deliveries – individually tailored to your requirements. • Security technology: Planning, realisation and maintenance of locking systems and access controls by our experienced specialists. • Trade stores: In Bern, St. Gallen and Wallisellen, we offer practical advice, pick-up options and an inspiring exhibition for those interested in building. With the latest technology, dedicated employees and a comprehensive range of services, we create sustainable added value for our customers. Whether at our locations or online – professionals come to KOCH .

Welcome to KOCH Group AG. With over 300 employees at five locations in Switzerland, we have been providing innovative products, expert advice and tailored services for decades. Our range includes over 100,000 items – from fittings and tools to machines, security technology and factory equipment. Our strengths at a glance: • Range: Over 100,000 items for furniture production, windows, doors, fastening technology, security technology and much more – all tailored to your needs as a tradesperson. • Online shop : A modern shopping experience with easy navigation, detailed product descriptions, CAD data and customisable interfaces for business customers. • Logistics: Efficient processes in our 14,000 m² logistics centre guarantee fast and flexible deliveries – individually tailored to your requirements. • Security technology: Planning, realisation and maintenance of locking systems and access controls by our experienced specialists. • Trade stores: In Bern, St. Gallen and Wallisellen, we offer practical advice, pick-up options and an inspiring exhibition for those interested in building. With the latest technology, dedicated employees and a comprehensive range of services, we create sustainable added value for our customers. Whether at our locations or online – professionals come to KOCH .

Welcome to KOCH Group AG. With over 300 employees at five locations in Switzerland, we have been providing innovative products, expert advice and tailored services for decades. Our range includes over 100,000 items – from fittings and tools to machines, security technology and factory equipment. Our strengths at a glance: • Range: Over 100,000 items for furniture production, windows, doors, fastening technology, security technology and much more – all tailored to your needs as a tradesperson. • Online shop : A modern shopping experience with easy navigation, detailed product descriptions, CAD data and customisable interfaces for business customers. • Logistics: Efficient processes in our 14,000 m² logistics centre guarantee fast and flexible deliveries – individually tailored to your requirements. • Security technology: Planning, realisation and maintenance of locking systems and access controls by our experienced specialists. • Trade stores: In Bern, St. Gallen and Wallisellen, we offer practical advice, pick-up options and an inspiring exhibition for those interested in building. With the latest technology, dedicated employees and a comprehensive range of services, we create sustainable added value for our customers. Whether at our locations or online – professionals come to KOCH .

Welcome to KOCH Group AG. With over 300 employees at five locations in Switzerland, we have been providing innovative products, expert advice and tailored services for decades. Our range includes over 100,000 items – from fittings and tools to machines, security technology and factory equipment. Our strengths at a glance: • Range: Over 100,000 items for furniture production, windows, doors, fastening technology, security technology and much more – all tailored to your needs as a tradesperson. • Online shop : A modern shopping experience with easy navigation, detailed product descriptions, CAD data and customisable interfaces for business customers. • Logistics: Efficient processes in our 14,000 m² logistics centre guarantee fast and flexible deliveries – individually tailored to your requirements. • Security technology: Planning, realisation and maintenance of locking systems and access controls by our experienced specialists. • Trade stores: In Bern, St. Gallen and Wallisellen, we offer practical advice, pick-up options and an inspiring exhibition for those interested in building. With the latest technology, dedicated employees and a comprehensive range of services, we create sustainable added value for our customers. Whether at our locations or online – professionals come to KOCH .

Wir empfehlen die Perseco GmbH sehr gerne weiter. Mit der passgenauen Unterstützung sind wir voll und ganz zufrieden. Frau Morueco ist ein bereichernder Juwel für unsere gesamte Belegschaft. Sie verfügt über eine sehr wertschätzende Umgangsform und ein extremes Gespür, welches sie beim Team- und Einzelcoaching und bei der Rekrutierung neuer Mitarbeiter auszeichnet.