Architecture Firms in
Cologny

AETC Sàrl

Since 2008 · 21–50 empl.·5.0(3)

The core activity of AETC is architecture and urban planning, including the areas of: territorial strategy, local project development and planning, construction and renovation, competitions and tenders, as well as citizen participation and communication. The company thus provides services in the fields of architecture, urban planning, project development and management.

EMA Eric Maria Architectes Associés SA

Since 2001 · 11–20 empl.

The company's core activity is the planning and realization of architectural projects, including the design of buildings, museums, apartments, office buildings, hotels, shopping centers and other real estate. The company also offers services in the field of urbanism and design, including the planning of cities, public spaces and furniture.

Ai4 Architecture & Investissements Sàrl

Since 2012 · 1–10 empl.

The company's core activity is the planning and design of architecture and interior spaces.

Fractal Architecture Sàrl

Since 2021 · 1–10 empl.

The core activity of Fractal Architecture Sàrl is architecture.

GIRANI & PERRILLAT Direction des Travaux-Architectes Sàrl

Since 2017 · 11–20 empl.·5.0(4)

The core activity of Girani & Perrillat is architecture and construction management, particularly in the planning, monitoring and assistance of construction projects, including the transformation, renovation and energy-efficient refurbishment of buildings.

MAG architectes Sàrl

Since 2021 · 1–10 empl.·5.0(5)

The core activity of the company MAG architectes is architecture.

Artca Studio Sàrl

Since 2023 · 1–10 empl.

Artca Studio Sàrl produces 3D visualizations and interior architecture renderings for real estate companies and architectural practices. Services include 3D visualizations, preparation of technical plans, photorealistic renders, animated films and interactive 360° virtual tours, as well as space-planning and pre-project studies.

ai4 studio SA

Since 2025 · 1–10 empl.

ai4 studio SA is an architecture and interior design studio. The company works on planning, design, renovation, and tailor-made interior design projects.

ai4 terra SA

Since 2025 · 1–10 empl.

ai4 terra SA is an architecture and interior design studio. The company works on planning, design, renovation and bespoke interior design for residential, office and public projects.

Katja Mischler-Frapolli architecte EPFZ-SIA

Since 2010 · 1–10 empl.

Katja Mischler-Frapolli architecte EPFZ-SIA is an architectural practice providing project design and construction administration. Services include new construction and renovation, interior and exterior fittings, surveys and technical upgrades, participation in architectural competitions, and feasibility or urban studies.

ecotonos Sàrl

Since 2021 · 1–10 empl.

The core activity of ecotonos is the planning, design and realization of sustainable and environmentally friendly architectural projects, including new buildings, renovations and conversions of residential and commercial properties, with a focus on the use of local, recycled and bio-based materials as well as the implementation of energy-efficient and environmentally friendly solutions.

Rémy Vauthier

Since 1985 · 1–10 empl.