Your partner for sustainable wood construction—from analysis to building permit application

We are your partner for sustainable timber construction, specializing in apartment buildings, the implementation of the Openly building system, and the use of biogenic materials such as wood, hemp, and clay.

Our offer

We develop projects that are both environmentally sound and architecturally compelling, taking into account floor area ratios, costs, and permits.

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Specializing in multi-family residential buildings (MFH) using sustainable wood construction and the Openly building system

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General Planning Across All SIA Service Phases

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Your partner for sustainable construction—from the initial project concept to implementation

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Environmental Assessments & Building Labels

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C-Sink Validation in Buildings ("Construction C-Sink Standard")