The Aperlena Verdict
Open raceNo supplier dominates: 17 different companies have won the last 18 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 18 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 summaryThis procurement covers ventilation installation works as part of the first construction phase of the renovation of the Waldschule primary school in Germany. The works comprise the installation of a ventilation system including ducts and built-in components. The contract concerns ventilation technology works for the school building, with the scope limited to the installation works described in the tender documents.
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) 8 hours ago
What this buyer has paid before
Based on 18 comparable contracts this buyer awarded in this sector over the last 4 years.
- Median award
- €208,489
- Middle half of past awards
- €135,099 to €301,088
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
- Elektrotechnikinstallation - Gymnasium Am Fredenberg in SZ-Lebenstedt, MSR-Technik €201,808
- Bautischlerei-Einbauarbeiten - Gymnasium Am Fredenberg - Tischlerarbeiten €256,329
- Gipskartonarbeiten - Gymnasium Am Fredenberg - Trockenbauarbeiten €732,744
- Installation von Brandmeldeanlagen - Gymnasium Am Fredenberg in SZ-Lebenstedt, Sanierung Turm 0, Sprachalarmierungsanlage €125,559
- Elektroinstallationsarbeiten - Gymnasium Am Fredenberg in SZ-Lebenstedt, Sanierung Turm 0, Elektrotechnik €617,169
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 profileStadt Salzgitter
- notices in the register
- 137
- awards
- 51
- awarded in total
- €17.6M
Who wins its contracts
Many suppliers- different companies won its awards
- 44
- of the awards went to the three most frequent winners
- 13%
- of its calls state an estimated value
- 1%
Based on 47 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)
- 6.2
- of those lots received a single tender
- 13%
- 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 |
|---|---|---|---|
| HEISAT Quedlinburg GmbH | 2 | €498,963 | Feb 2026 |
| H.O. Schlüter GmbH | 1 | €1.0M | Feb 2026 |
| KAEFER Deutschland Pro Services GmbH | 1 | €732,744 | Jul 2026 |
| Asrodent Technischer Service GmbH | 1 | €617,169 | Jul 2026 |
| Aircraft Klima Kälte GmbH | 1 | €576,809 | Feb 2026 |
Based on 18 awards with a linked company profile over the last 5 years.
15 open tenders right now
- Roof waterproofing and insulation works - New sports hall (SPH) roof waterproofing works 2 days left
- Installation von Sanitäreinrichtungen - Neubau Sporthalle (SPH) Sanitär- und Heizungsinstallation 2 days left
- Laying of non-solid floor coverings - Gymnasium Am Fredenberg - Floor covering works 3 days left
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
- 20,254
- median open notice
- €500,000
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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