The Aperlena Verdict
Open raceNo supplier dominates: 59 different companies have won the last 68 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 68 comparable awards by this buyer in this sector over 5 years. Every verdict is recorded before the outcome and graded against the award notice. How we score ourselves.
Summary
Machine-generated summaryWorks procured under lot 043 ventilation for the extension of the Kohlheck School in Wiesbaden. The contract covers installation of 5 ventilation units, approx. 915 m² rectangular ducts, approx. 2,300 m² fittings, approx. 900 linear metres of spiral-wound duct, approx. 60 fire dampers, and approx. 1,850 m² of alu-clad mineral wool or galvanised steel sheet, plus 2 automation stations, 2 control cabinets, commissioning and building management system integration.
Description
Bid or no-bid?
Six questions before you commit a team. Under each one, what the register holds on it. The answers are yours.
Can I bid?
- Open procedure: any interested supplier may submit a bid. Above the EU threshold: open to companies from any EU country.
- The notice is written in German.
- Certificates from another EU country? Check the equivalents on eCertis
Official source
Source: TED - Tenders Electronic Daily (Publications Office of the EU)
Always verify details on the official notice.
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Last verified against TED - Tenders Electronic Daily (Publications Office of the EU) 5 days ago
What this buyer has paid before
Based on 68 comparable contracts this buyer awarded in this sector over the last 4 years.
- Median award
- €243,322
- Middle half of past awards
- €120,783 to €766,152
TED - Tenders Electronic Daily (Publications Office of the EU) publishes no value for this notice, so it has no mark on the scale. The official documents may state one.
Most recent awards
- Dachabdichtungs- und -dämmarbeiten - Erweiterung Kohlheckschule Wiesbaden €921,268
- Landschaftsgärtnerische Arbeiten - HAFENSCHULE INTERIM - Temporäre Grundschule, Wiesbaden-Schierstein €921,114
- Installation of electrical systems - Vocational school centre - New building at the Friedrich-List-Schule site, Wiesbaden €182,340
- Plumbing installation work - Pestalozzischule, Wiesbaden €63,538
- Installation von Lüftungsanlagen - Pestalozzischule, Wiesbaden €136,740
Award values as published by the official sources. Use them as a guide, not a rule: scope, lots and duration differ between contracts.
The buyer
Full buyer profileWiBau Gesellschaft mbH
- notices in the register
- 209
- awards
- 96
- awarded in total
- €49.3M
Who wins its contracts
Many suppliers- different companies won its awards
- 75
- of the awards went to the three most frequent winners
- 8%
- of its calls state an estimated value
- 0%
Based on 84 awards with a named winner over the last 3 years. Counted by award, not by value, because lot and framework amounts are not comparable. Concentrated means the three most frequent winners took 65% or more of the awards; many suppliers, under 35% with at least ten different winners.
Competition
- tenders per lot on average (open and restricted procedures)
- 9.4
- of those lots received a single tender
- 6%
- of the awards went to companies based in another country
- 2%
As the official award notices state them, over the last 3 years. Tenders per lot count open and restricted procedures only: in a negotiated procedure or a direct award a single tender is the procedure itself. The country is the one the notice gives for the winner.
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| Gramenz Neubau GmbH | 3 | €3.4M | Aug 2026 |
| August Fichter GmbH, Landschaftsbau | 2 | €3.3M | Oct 2026 |
| Weimer GmbH | 2 | €2.3M | Apr 2026 |
| Herbert Reibstein GmbH | 2 | €2.1M | Aug 2026 |
| Laetus GmbH | 2 | €225,824 | Jul 2026 |
Based on 68 awards with a linked company profile over the last 5 years.
20 open tenders right now
Market context
TED - Tenders Electronic Daily (Publications Office of the EU) publishes no value for this notice, so it cannot be placed among the open notices of its sector. The official documents may state one.
- open now in Construction work
- 29,734
- median open notice
- €783,629
Who wins in this market
Many suppliersGermany · Construction work
- different companies won awards here
- 12,813
- of the awards went to the three most frequent winners
- 1%
- buyers awarded contracts here
- 2,980
Based on 27,123 awards with a named winner over the last 3 years. Counted by award, not by value, because lot and framework amounts are not comparable. Concentrated means the three most frequent winners took 65% or more of the awards; many suppliers, under 35% with at least ten different winners.
Competition
- tenders per lot on average (open and restricted procedures)
- 6.3
- of those lots received a single tender
- 7%
- of the awards went to companies based in another country
- 1%
- of the tenders came from another country
- 1%
As the official award notices state them, over the last 3 years. Tenders per lot count open and restricted procedures only: in a negotiated procedure or a direct award a single tender is the procedure itself. The country is the one the notice gives for the winner.
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