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The database of public procurement

110,873 companies69,708 contracting authorities2,533 BoQs with a specified brand27,371 planning offices352,370 awardsAwards up to 2 Oct 2026

Planning office

Ingenieurgesellschaft Dr. Henne mbH

Ingenieurgesellschaft Dr. Henne mbH from Siegen has received 3 public planning contracts since 2024 (as of 3 Oct 2026).

As of: · Source: official notices (Datenservice Öffentlicher Einkauf, CC0), EU Official Journal (TED) and procurement portals · How we count

57076 Siegen, North Rhine-WestphaliaBuilding servicesSports hall2 locationsRegister No. 5776
3
planning contracts, since 11 Dec 2024
2
in the last twelve months
€150,859
median contract value, 2 stating one
10.5
median number of bids, 2 stating it

Contracts per year

2024: 1 contract120242025: 1 contract120252026: 1 contract12026

The network of this office

Contracting authoritiesServicesGemeinde Schalksmühle1Gemeinde Schalksmühle: 1Stadt Lüdenscheid1Stadt Lüdenscheid: 1Stadt Sundern1Stadt Sundern: 1Building services3Building services: 3Ingenieurgesell…3 contracts

Contracting authorities

Services

  • Building services3

Contracting authorities from the award notices, services from the planning contracts.

Recently commissioned

DateContractContracting authorityValue
5 Mar 2026Energetische Sanierung der Turnhalle der Adolf-Reichwein-Gesamtschule in Lüdenscheid hier: Planerleistungen TGA LP 4-9Specialist planning, other · Sports hall · NoticeStadt LüdenscheidNorth Rhine-Westphalia€133,999
1 Nov 2025TGA Planung für die OGS der Johannesschule SundernGeneral planning · NoticeStadt SundernNorth Rhine-Westphalia€167,719
11 Dec 2024Qualifizierung eines ehem. Kirchenstandortes zum Kultur-, Bildungs- und Begegnungsort 8 Giebel; Ingenieurleistungen Leistungsbild Technische AusrüstungSpecialist planning, other · NoticeGemeinde SchalksmühleNorth Rhine-Westphalia

The 3 most recent of 3.

Questions and answers

How many public contracts has Ingenieurgesellschaft Dr. Henne mbH received?

Ingenieurgesellschaft Dr. Henne mbH has received 3 public planning contracts since 2024. 2 of them came in the last twelve months. The median contract value is €150,859, calculated over 2 contracts with a stated value.

Which contracting authorities does Ingenieurgesellschaft Dr. Henne mbH plan for most often?

Most contracts came from Gemeinde Schalksmühle (1), Stadt Lüdenscheid (1) and Stadt Sundern (1).

Which planning services does Ingenieurgesellschaft Dr. Henne mbH provide?

Most contracts fall under “Specialist planning, other” (2) and “General planning” (1).

In which German states does Ingenieurgesellschaft Dr. Henne mbH plan?

Most contracts came from North Rhine-Westphalia (3).