The Aperlena Verdict
Open raceNo supplier dominates: 225 different companies have won the last 426 comparable contracts from this buyer over 5 years. This is a genuinely open race.
- Expected final price vs the published estimate
- -98.7%
Based on 426 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 summarySBH | Schulbau Hamburg, a public enterprise of the Free and Hanseatic City of Hamburg that plans, builds, maintains and manages school properties and rents more than 400 schools to the school authority, invites bids for structural works at the primary school at Doehrnstrasse 42. The project converts kitchen, dining areas, administration areas, corridors and classrooms as part of an expansion to a five-form-entry school, carried out in three construction phases. This contract covers the shell and structural works: site set-up, new door openings inside the building and in the exterior wall, demolition of load-bearing walls and larger openings with temporary steel supports across all floors, 20 m of floor slots subsequently closed, 30 m2 of floor sealing, openings in existing masonry, 375 m2 of plastering, plaster repairs and 475 m2 of repair to a straw plaster ceiling with F30 fire requirement.
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.
- Documents in German.
- Certificates from another EU country? Check the equivalents on eCertis
Official source
Source: Datenservice Öffentlicher Einkauf (Bekanntmachungsservice)
Always verify details on the official notice.
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Last verified against Datenservice Öffentlicher Einkauf (Bekanntmachungsservice) 2 weeks ago
What this buyer has paid before
Based on 426 comparable contracts this buyer awarded in this sector over the last 4 years.
- Median award
- €186,627
- Middle half of past awards
- €87,421 to €407,296
Datenservice Öffentlicher Einkauf (Bekanntmachungsservice) publishes no value for this notice, so it has no mark on the scale. The official documents may state one.
Most recent awards
- Bodenverlegearbeiten - Foorthkamp 36 - Bodenbelag €96,335
- Oberflächenbeschichtungsarbeiten - Strenge 5 - Maler Endschichtung €191,908
- Aushub- und Erdbewegungsarbeiten - Schierenberg 50 - Erdarbeiten €586,331
- Metallbauarbeiten - Grasweg 72-76 - Metallbau Fassade €489,170
- Bodenbelagsarbeiten - Brödermannsweg 2 - Bodenbelag €34,495
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 profileSBH | Schulbau Hamburg
- notices in the register
- 1,250
- awards
- 542
- awarded in total
- €436.5M
Who wins its contracts
Many suppliers- different companies won its awards
- 273
- of the awards went to the three most frequent winners
- 7%
- of its calls state an estimated value
- 77%
Based on 497 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)
- 7.5
- of those lots received a single tender
- 4%
- of the awards went to companies based in 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.
One dot per award, on the day it was signed, sized by its value. A ring is an award with no published value.
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| Horst Poburski Wasser- und Abwasser-Technik GmbH | 14 | €2.8M | Jun 2026 |
| Polat Real Estate GmbH | 11 | €861,066 | Jul 2026 |
| Germann Malermeister GmbH | 10 | €1.3M | Aug 2026 |
| KG Robert Seidel GmbH & Co. | 9 | €1.7M | Sep 2026 |
| S&H Tiefbau GmbH | 8 | €2.4M | Aug 2026 |
Based on 426 awards with a linked company profile over the last 5 years.
38 open tenders right now
Market context
Datenservice Öffentlicher Einkauf (Bekanntmachungsservice) 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
- €557,512
Who wins in this market
Many suppliersGermany · Construction work
- different companies won awards here
- 12,402
- of the awards went to the three most frequent winners
- 1%
- buyers awarded contracts here
- 3,003
Based on 27,432 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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