Planungsbüro Dieter Hierholzer GmbH: public contracts won
Planungsbüro Dieter Hierholzer GmbH won 7 public contract awards from 6 public buyers between 2023-11-16 and 2025-10-03; the 4 it won alone that state a value total €465k. Source: Arcadium Data, data as of .
Contracts ending in the next 18 months
| Ends | Contract | Buyer | Value | End date basis |
|---|---|---|---|---|
| 2026-12-31 | Neubau Feuerwehr-Gerätehaus Aitern HLS | Gemeinde Aitern (DE) | €43,955 | end date stated |
| 2026-12-31 | Ingenieurleistungen nach Teil 4 Abschnitt 2 HOAI | Vermögen und Bau Baden-Württemberg Amt Freiburg (DE) | €750k | end date stated |
| 2027-09-30 | Neugestaltung Buchenbrandareal Schönau Technische Ausrüstung HLS | Gemeindeverwaltungsverband Schönau (DE) | €243k | end date stated |
| 2027-12-31 | Vergabeverfahren nach VgV zu Planungsleistungen Technische Ausrüstung HLS - Erweiterung Schulverwaltung Kreis… | Landkreis Breisgau-Hochschwarzwald (DE) | n/a | end date stated |
Contracts ending = award notices naming Planungsbüro Dieter Hierholzer GmbH whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 4 contracts.
Awards per month
Contract award notices naming Planungsbüro Dieter Hierholzer GmbH as a winner, by publication month, 2023-11 to 2026-10.
Top public buyers
| Buyer | Awards |
|---|---|
| Landkreis Breisgau-Hochschwarzwald | 2 |
| Gemeinde Aitern | 1 |
| Gemeindeverwaltungsverband Schönau | 1 |
| Stadt Freiburg i. Br. - Vergabemanagement | 1 |
| Stadt Todtnau | 1 |
| Vermögen und Bau Baden-Württemberg Amt Freiburg | 1 |
Sectors (CPV divisions)
| Sector | CPV | Awards |
|---|---|---|
| Architecture and engineering services | 71 | 7 |
Buyer countries
| Country | Awards |
|---|---|
| Germany | 7 |
Recent awards
| Published | Contract | Buyer | Value |
|---|---|---|---|
| 2025-10-03 | Planungsleistung Heizungs-, Lüftungs-, Sanitäranlagen, Feuerwehr Kappel | Stadt Freiburg i. Br. - Vergabemanagement | n/a |
| 2025-03-24 | Neubau Feuerwehr-Gerätehaus Aitern HLS | Gemeinde Aitern | €43,955 |
| 2025-03-11 | Planungsleistungen Technische Ausrüstung - HLS 13. BA ff. Schulzentrum Dreisamtal, Giersbergstraße 33, 79199… | Landkreis Breisgau-Hochschwarzwald | €56,027 |
| 2025-01-13 | Neubau Feuerwehrgerätehaus Todtnau | Stadt Todtnau | €122k |
| 2024-12-18 | Neugestaltung Buchenbrandareal Schönau Technische Ausrüstung HLS | Gemeindeverwaltungsverband Schönau | €243k |
| 2024-07-30 | Vergabeverfahren nach VgV zu Planungsleistungen Technische Ausrüstung HLS - Erweiterung Schulverwaltung Kreis… | Landkreis Breisgau-Hochschwarzwald | n/a |
| 2023-11-16 | Ingenieurleistungen nach Teil 4 Abschnitt 2 HOAI (3 winners) | Vermögen und Bau Baden-Württemberg Amt Freiburg | €750k |
Value = the awarded value the notice states, in EUR (converted at the notice date); framework agreements show none (their value is a ceiling, not spend). A notice with several winners or lots states one total for all of them: it is shown per notice in the table but left out of "value won alone". Grouped by company name and winner country; not matched to a website yet.
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Source: Arcadium Data tenders database, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.
Questions
How many public contracts has Planungsbüro Dieter Hierholzer GmbH won?
Planungsbüro Dieter Hierholzer GmbH won 7 public contract awards published between 2023-11-16 and 2025-10-03, from 6 public buyers (official notices in EU TED and UK Find a Tender, as of 2026-10-27).
Who are Planungsbüro Dieter Hierholzer GmbH's biggest public-sector customers?
The public buyers that awarded Planungsbüro Dieter Hierholzer GmbH the most contracts are Landkreis Breisgau-Hochschwarzwald (2), Gemeinde Aitern (1) and Gemeindeverwaltungsverband Schönau (1) (awards, as of 2026-10-27).
What does Planungsbüro Dieter Hierholzer GmbH supply to the public sector?
Most of Planungsbüro Dieter Hierholzer GmbH's awards are in Architecture and engineering services (CPV 71) (7) as of 2026-10-27.
What is the value of Planungsbüro Dieter Hierholzer GmbH's public contracts?
The 4 awards Planungsbüro Dieter Hierholzer GmbH won alone that state a value add up to €465k; awards shared with other winners state one total for all and are not counted (as of 2026-10-27).
Cite as: Arcadium Data, "Planungsbüro Dieter Hierholzer GmbH public tenders won: 7 contract awards", https://arcadiumdata.io/tenders/winners/planungsburo-dieter-hierholzer-gmbh-de/, data as of 2026-10-27.