The company has built the Hugo Boss office in Lugano and works with the best architects, Mattheo Thun, Daniel Libeskind and Hermann Kaufmann among others. oa.sys has established itself as international general contractor. Besides single-family homes the company also builds hotels, industry projects, house refurbishments and expansions in classical wooden construction or solid construction. Depending on the client's needs oa.sys acts as prime contractor or part contractor for single tasks.

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