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Architect in Geneva – Villa Renovation & Contemporary Architecture

KELLERARCHITECTES, founded in 2000 by architect Alexander Keller in Geneva, is a multidisciplinary architectural studio specializing in high-end villa renovations, residential architecture, and contemporary transformations.

With a sensitive and contextual approach, we design spaces that combine function, elegance, and architectural clarity.

Areas of Expertise

  • Residential Architecture: luxury villa renovation, interior transformations, new constructions, and extensions

  • High-End Architecture: bespoke villas, refined materials, tailor-made design solutions

  • Commercial Projects: restaurants, shops, hospitality, and public spaces

  • Office Design: functional, ergonomic, and inspiring work environments

  • Building Extensions & Rooftop Additions: optimizing and enhancing existing buildings

  • Interior Architecture & Design: custom layouts, interior decoration, integrated furniture

  • Landscape Design: outdoor spaces, terraces, and garden integration

  • Lakefront Projects: floating platforms, pontoons, and lakeside constructions

From Idea to Realization – Full Project Support

We guide you through every stage of your project – from early vision to construction completion:

  • Real Estate Consulting: support during property visits and architectural potential assessment

  • Feasibility Studies: zoning analysis, building rights, and regulatory compliance

  • Architectural Design: concept development, building permits, construction documents

  • Site Supervision: contractor coordination, budget control, timeline management

  • Interior Design: material selection, ambiance creation, custom furniture design

Our Architectural Approach

Every project is guided by three key principles:

  • Dialogue between old and new: preserving historical elements and enhancing them with modern materials and techniques

  • Functional and aesthetic clarity: minimalist forms, readable spaces, and thoughtful material choices

  • Expressive volumetrics: light, proportion, and form to reveal spatial qualities

"The details are not the details. They make the design." – Charles Eames
"Simplicity is the ultimate sophistication." – Leonardo da Vinci
"Less is more." – Ludwig Mies van der Rohe
"Simplicity is the perfect harmony between beauty, usefulness, and correctness." – Frank Lloyd Wright