Koller Gartenarbeiten GmbH provides comprehensive landscaping and garden services including garden construction, earthworks, maintenance, and winter services. The company operates in Appenzell and surrounding areas.

hey danke nochmals herzlich auch auf diesem wege, echt top heute noch so einen flotten handwerker zu haben, der auf dieser hochwertigen arbeit auch noch faire preise hat, ich werde dich jederzeit gerne weiterempfehlen!!! Gruss Ronny

Our expertise covers all masonry and plastering work, both interior and exterior. Whether it's a new single-family home, bathroom or kitchen renovation, or façade refurbishment – we are your reliable partner. • New builds, extensions, and conversions (single-family homes, multi-family houses, garages, etc.) • Conversions of existing living spaces (bathrooms, kitchens, etc.) • Renovations of living spaces and entire buildings • Room layout changes (removing existing walls and building new ones) • New construction and renovation of agricultural buildings • General masonry and plastering work inside and outside • Customer masonry work (interior and exterior) • Landscaping work (terraces, driveways, retaining walls, etc.) Whether it's a new build, renovation, or conversion of your home – we ensure optimal and on-time planning and execution of your project. The project is designed based on your individual needs and wishes. Business owner and project manager Christoph Beerli has many years of experience. He draws plans, submits building applications, handles official clarifications, and manages construction. General Contracting: Planning, execution, and supervision of high-quality construction work are core competencies of Beerli + Venzin AG: • From single-family homes to small multi-family buildings •

Provides comprehensive renovation, restoration and construction services for residential and commercial properties. Covers demolition, interior refurbishment, façade work, sealing, modernisation and repairs. Ensures reliable on-site execution with precise planning, quality materials and sustainable methods. Delivers long-lasting results for upgrades, conversions or full property renewals.