The database of public procurement
Contracting authority
Mainzer Netze GmbH
Mainzer Netze GmbH has awarded 36 contracts to 26 companies since 2022 (as of 1 Oct 2026).
As of: · Source: official notices (Datenservice Öffentlicher Einkauf, CC0), EU Official Journal (TED) and procurement portals · How we count
Tenders since 2018
By year of publication, each notice once. Up to 2023 from the EU Official Journal (TED, only above the EU thresholds, buyer key “mainzer netze”), from 2024 from the DÖE, so that nothing in 2022 and 2023 is counted twice. Portals: open tenders from procurement portals beyond the DÖE, since 23 Sep 2026. The current year is incomplete.
Lots per quarter, 12 quarters
All stages, by quarter of publication.
Who wins here
| Company | Trade | Awards | Volume | Latest |
|---|---|---|---|---|
| Werner Hartwig GmbHWiesbaden | Planning | 3 | 25 Sep 2026 | |
| Landis+Gyr GmbHNürnberg | Other | 3 | 28 Apr 2025 | |
| EQOS Energie Deutschland GmbHBiberach an der Riss | Sewer and pipeline construction | 2 | €35,898,000 | 27 May 2025 |
| S & V Bau GmbHWallhausen | Sewer and pipeline construction, Civil engineering, earthworks | 2 | €279,530 | 25 Jun 2026 |
| SIEMENS ENERGY Global GmbH & Co KGMannheim | Other | 2 | 2 Mar 2026 | |
| S&V Bau GmbHWallhausen | Sewer and pipeline construction, Civil engineering, earthworks | 2 | 7 Jul 2025 | |
| SAX + KLEE GmbH BAUUNTERNEHMUNGMannheim | Sewer and pipeline construction | 2 | 5 Aug 2024 | |
| SAX + KLEE GmbH BAUUNTERNEHMUNGMannheim | Sewer and pipeline construction | 2 | 5 Aug 2024 | |
| mz³ architekten ingenieure GmbHMainz | Planning | 1 | 28 May 2026 | |
| BN Automation AGIlmenau | Building services, other | 1 | 17 Mar 2026 | |
| Sonn ElektrotechnikBlieskastel | Other | 1 | 20 Jan 2026 | |
| PFIFFNER Instrument Transformers LtdHirschthal | Other | 1 | 20 Nov 2025 |
26 companies with 36 awards across the whole record of this authority.
From council papers
| Date | Procurement | Awarded to | Sum | Bids |
|---|---|---|---|---|
| 25 Jun 2026 | Sanierung Stützwand Im Zuckergarten - Mainz-Hechtsheim, Titel 3: Tiefbauarbeiten VersorgungsleitungenPaper in the council information system | S & V Bau GmbHWallhausen | €279,530 | 22 with price |
Contracts decided by the municipal council or a committee, read from the papers in the council information system (since 23 Sep 2026). Sum and bids as in the paper, gross or net as stated there.
The network of this authority
Wins here
- Werner Hartwig GmbH Wiesbaden3
- Landis+Gyr GmbH Nürnberg3
- EQOS Energie Deutschland GmbH Biberach an der Riss2
- S & V Bau GmbH Wallhausen2
- SIEMENS ENERGY Global GmbH & Co KG Mannheim2
Plans here
- Werner Hartwig GmbH Wiesbaden3
- mz³ architekten ingenieure GmbH Mainz1
- zigmo engineering GmbH Frankenthal1
- Planungsgruppe Rheinhessen Mainz1
- Ingenieurbüro Mielke GmbH Wirges1
Winners from the award notices, planning offices from the office register.
Bids per trade
Across all awards of this authority that state the number of bids. See everything with Pro
How many bids an award of this authority had. The figure that tells you whether a bid is worth it.
Open tenders
| Deadline | Lot | Stage | Value |
|---|---|---|---|
| 11 days12 Oct 2026 | Regenerierung BH04, Wasserwerk Petersaue, Mainz, TP01636 - 30028976Notice | Tender |
From the DÖE and from procurement portals beyond the DÖE, deadline from today (1 Oct 2026). The source link leads to the notice or portal page.
Latest lots
| Date | Lot | Stage | Value |
|---|---|---|---|
| 29 Sep 2026 | Tiefbauplanung Anschluss RZ Haifa-Allee, Mainz, TP01155 - 30027777Notice | Award | |
| 10 Sep 2026 | Regenerierung BH04, Wasserwerk Petersaue, Mainz, TP01636 - 30028976Notice | Tender | |
| 26 Jun 2026 | Tiefbauplanung Anschluss RZ Haifa-Allee, Mainz, TP01155 - 30027777Notice | Tender | |
| 25 Jun 2026 | Sanierung Stützwand Im Zuckergarten - Mainz-Hechtsheim, Titel 3: Tiefbauarbeiten VersorgungsleitungenSource (Council paper) | Award | €279,530 |
| 16 Jun 2026 | Tiefbauplanung Anschluss RZ Haifa-Allee, Mainz, TP01155 - 30027777Notice | Tender | |
| 30 May 2026 | Objektplanung Mühltalstraße 58+60, Mainz - 30027483Notice | Award | |
| 17 Apr 2026 | Objektplanung Mühltalstraße 58+60, Mainz - 30027483Notice | Tender | |
| 10 Apr 2026 | Objektplanung Mühltalstraße 58+60, Mainz - 30027483Notice | Tender | |
| 26 Mar 2026 | Erneuerung Prozessleitsysteme, Wasserwerk Eich, TP00961 - 30026048Notice | Award | |
| 4 Mar 2026 | RV Lieferung 123 kV - Drehtrennschalter - 30025431Notice | Award | |
| 27 Feb 2026 | RV Lieferung, Montage und Inbetriebnahme von 123-kV-Leistungsschalter - 30025429Notice | Award | |
| 5 Feb 2026 | Füllstabgeländer und Umlaufsperren für die Hst. Hechtsheim Bürgerhaus - 30026537Culture, assembly · Notice | Tender | |
| 21 Jan 2026 | Lieferung 2 Stück Container mit 20 kV Schaltanlageen - 30024999Notice | Award | |
| 15 Jan 2026 | 30026214 - Markterkundung Dienstleistungen zur Abnahme versch. FachbereicheNotice | Prior informationPlanning | |
| 13 Dec 2025 | Lieferleistungen Gleiserneuerung Bogen Kisselberg - 30026332Notice | Tender | |
| 23 Nov 2025 | RV Lieferung 123-kV-Wandler - 30025430Notice | Award | |
| 19 Nov 2025 | Markterkundung Identifikation und Bewertung von Sachverständigen für Abnahme Projekt UW MainspitzeNotice | Tender | |
| 14 Nov 2025 | Identifikation und Bewertung von Sachverständigen für die Abnahme des Projekts UW Mainspitze für die Mainzer Netze GmbH - 30026214Notice | Tender | |
| 7 Nov 2025 | Planung Tiefbau, H2-Initialtrasse Mainz, TP01628 - 30025407Notice | Award | |
| 31 Oct 2025 | Planung Hochbau, Umbau Wasserwerk Eich, TP00961 - 30025380Notice | Award |
The 20 most recent lots of all stages in the last 12 quarters. Prior information means planning, no tender yet; archive means past.
Questions and answers
How many contracts has Mainzer Netze GmbH awarded?
Mainzer Netze GmbH has awarded 36 contracts to 26 companies since 2022. On average there were 3.3 bids per award, counted over 36 awards that state the number.
Which companies win most often at Mainzer Netze GmbH?
Most awards went to Werner Hartwig GmbH (3), Landis+Gyr GmbH (3) and EQOS Energie Deutschland GmbH (2). In total, 26 companies have won an award here.
What does Mainzer Netze GmbH put out to tender?
By CPV division, the most recent tenders mainly concern “Construction work” (30), “Architecture and engineering” (20) and “Vehicles” (8). The database holds 91 tenders of this authority.
Which planning offices work for Mainzer Netze GmbH?
In the last twelve quarters, planning contracts went mainly to Werner Hartwig GmbH (3), mz³ architekten ingenieure GmbH (1) and zigmo engineering GmbH (1).