The database of public procurement
Planning office
SIIN GmbH
SIIN GmbH from Stuttgart has received one public planning contract since 2025 (as of 1 Oct 2026).
As of: · Source: official notices (Datenservice Öffentlicher Einkauf, CC0), EU Official Journal (TED) and procurement portals · How we count
Contracts per year
The network of this office
Contracting authorities
Services
- Architectural design1
Contracting authorities from the award notices, services from the planning contracts.
Recently commissioned
| Date | Contract | Contracting authority | Value |
|---|---|---|---|
| 31 Mar 2025 | Architektenleistung nach Teil 3 Abschnitt 1 HOAI (Leistungsphasen 5 bis 9)Architectural design · Notice | Vermögen und Bau Baden-Württemberg, Amt KonstanzBaden-Württemberg | €4,243,816 |
The 1 most recent of 1.
Questions and answers
How many public contracts has SIIN GmbH received?
SIIN GmbH has received 1 public planning contract since 2025. The median contract value is €4,243,816, calculated over 1 contract with a stated value.
Which contracting authorities does SIIN GmbH plan for most often?
Most contracts came from Vermögen und Bau Baden-Württemberg, Amt Konstanz (1).
Which planning services does SIIN GmbH provide?
Most contracts fall under “Architectural design” (1).
In which German states does SIIN GmbH plan?
Most contracts came from Baden-Württemberg (1).