WIEDEMANN enviro tec GmbH: public contracts won without a rival in Germany: 7 uncontested awards; 44% of its awards; 3 without a competition; 4 single bid.
Assay record ASY-DE-1M4UT6A06C · Cite as: Assay Systems, “WIEDEMANN enviro tec GmbH: public contracts won without a rival in Germany”, https://assay-systems.com/register/de/uncontested/s/wiedemann-enviro-tec-gmbh/
WIEDEMANN enviro tec GmbH won 7 of its 16 public contract awards in Germany without a rival from 2024-01-18 to 2026-06-24: 3 without a competition and 4 after a competition that drew a single bid. 6 buyers awarded it without a rival, the largest Bundesstadt Bonn, Referat Vergabedienste with 2.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
Bundesstadt Bonn, Referat Vergabedienste gave WIEDEMANN enviro tec GmbH 3 awards: 1 without a competition, 1 after a competition with a single bid. First 2024-01-18, latest 2025-07-16.
MWB - Mittelhessische Wasserbetriebe gave WIEDEMANN enviro tec GmbH 1 award: 1 without a competition, 0 after a competition with a single bid. First 2025-07-16, latest 2025-07-16.
Entsorgungsbetrieb der Stadt Siegen gave WIEDEMANN enviro tec GmbH 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-06-24, latest 2026-06-24.
Kreisstadt Homburg/Saar gave WIEDEMANN enviro tec GmbH 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-11-28, latest 2024-11-28.
Stadt Lahr gave WIEDEMANN enviro tec GmbH 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-09-06, latest 2024-09-06.
Stadt Rheinberg Zentrale Vergabestelle 10-7 gave WIEDEMANN enviro tec GmbH 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-07-02, latest 2025-07-02.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-06-24 | Entsorgungsbetrieb der Stadt Siegen 428536-2026 | No competition neg-wo-call | urgency |
| 2025-07-16 | MWB - Mittelhessische Wasserbetriebe 463293-2025 | No competition neg-wo-call | technical |
| 2025-07-16 | Bundesstadt Bonn - Referat Vergabedienste 463196-2025 | No competition neg-wo-call | other-exclusive |
| 2025-07-02 | Stadt Rheinberg Zentrale Vergabestelle 10-7 428899-2025 | Single bid open | — |
| 2024-11-28 | Kreisstadt Homburg/Saar 728173-2024 | Single bid open | — |
| 2024-09-06 | Stadt Lahr 535258-2024 | Single bid open | — |
Every uncontested award in Germany · All countries · WIEDEMANN enviro tec GmbH in the register
Source: Tenders Electronic Daily (TED), Publications Office of the European Union, contract award notices. Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.