Consider Systema Bau GmbH & Co. KG for projects involving project-based modular buildings for professional clients, particularly when the buyer needs evidence around the split between factory scope, transport, installation and local works. Associated with Schutterwald, Germany, it is best matched to schools, offices, healthcare providers, hotels or staff-housing projects.

Clarify whether the offer is a shell, fitted module or turnkey service. Key questions include fire rating, sound insulation, handover duties and maintenance access.