The Aperlena Verdict
Open raceNo supplier dominates: 12 different companies have won the last 12 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 12 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 summaryThe City of Duisburg zoo plans a new pygmy hippo house. The subject of this tender are the screed works required for the building. The scope, quantities and technical requirements are set out in the specification of services. The works take place on the grounds of Duisburg Zoo. The notice title also references the title 'Glazing works, seal enclosure', but the contract described concerns screed works only.
Description
Terms of the procedure
- Small firms
- The buyer marks this procedure as suitable for small and medium-sized firms.
As the official notice states them.
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.
Report an error in this notice
Last verified against TED - Tenders Electronic Daily (Publications Office of the EU) 3 days ago
What this market pays
The buyer has too few awards of its own in this sector, so this is the range of the last 2,000 awards for Construction work in Germany.
- Median award
- €275,813
- Middle half of past awards
- €117,366 to €743,577
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.
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 profileZoo Duisburg gGmbH
- notices in the register
- 34
- awards
- 12
- awarded in total
- €218,635
Who wins its contracts
Many suppliers- different companies won its awards
- 12
- of the awards went to the three most frequent winners
- 25%
- of its calls state an estimated value
- 0%
Based on 12 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)
- 9.5
- of those lots received a single tender
- 10%
- of the awards went to companies based in another country
- 0%
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 |
|---|---|---|---|
| Wondrak Bedachungen GmbH | 1 | €218,635 | Apr 2026 |
| Andreas Heckener Erdbau GmbH | 1 | Jul 2026 | |
| Birnbaum & Sohn GmbH | 1 | Aug 2026 | |
| Bönninger GmbH & Co KG | 1 | Mar 2026 | |
| DEOS AG | 1 | Sep 2026 |
Based on 12 awards with a linked company profile over the last 5 years.
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
- 19,844
- median open notice
- €564,179
Who wins in this market
Many suppliersGermany · Construction work
- different companies won awards here
- 12,376
- of the awards went to the three most frequent winners
- 1%
- buyers awarded contracts here
- 2,996
Based on 27,336 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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