Joint professional practice as architects, all related business, in particular architectural services of work phases 1-9 according to §15 HOAI, as well as expert and expert activities in the fields - structural damage - valuation of developed and undeveloped land - rents and leases as well as services in the field of energy consulting (building energy consulting). In addition, the subject of the partnership is any other activity of the partners that can and is carried out within the scope of its professional law. The partnership is entitled to take all measures that are likely to promote, directly or indirectly, the objects of the company, provided that these measures remain self-employed and are compatible with the applicable directives.