The Aperlena Verdict
Open raceNo supplier dominates: 7 different companies have won the last 9 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 9 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.
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.
- The notice is written in German.
Official source
Source: simap.ch - Swiss public procurement platform
Always verify details on the official notice.
This is not an official publication. The data published on the www.simap.ch platform are authoritative.
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Last verified against simap.ch - Swiss public procurement platform 2 hours ago
What this buyer has paid before
Based on 9 comparable contracts this buyer awarded in this sector over the last 4 years.
- Median award
- €13.9M
- Middle half of past awards
- €11.4M to €17.0M
simap.ch - Swiss public procurement platform publishes no value for this notice, so it has no mark on the scale. The official documents may state one.
Most recent awards
- Schweiz - Tiefbauarbeiten, außer Tunneln, Schächten und Unterführungen - IWB, Tiefbauarbeiten Kleinbaustellen inkl. Pikettdienst €21,245,526
- Switzerland - Building construction - IWB, water reservoir Wenkenköpfli €2,930,203
- Schweiz - Bauarbeiten für Rohrleitungen - IWB, Anschlussleitungsbau Gas & Wasser Einzelmassnahmen €13,857,959
- Switzerland - Pipeline construction works - IWB, gas and water pipeline construction for network projects €12,008,603
- Switzerland - Pipeline construction works - IWB, gas and water pipeline construction for network projects €17,847,706
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 profileIWB Industrielle Werke Basel
- notices in the register
- 120
- awards
- 52
- awarded in total
- €166.3M
Who wins its contracts
Many suppliers- different companies won its awards
- 30
- of the awards went to the three most frequent winners
- 18%
- of its calls state an estimated value
- 0%
Based on 33 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
- 8%
- 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 |
|---|---|---|---|
| DE_Birrer + Seiler AG | 3 | €43.3M | Aug 2026 |
| DE_Tozzo AG BS | 1 | €21.2M | Oct 2026 |
| DE_Heinis AG | 1 | €17.8M | Aug 2026 |
| DE_BohrPress Schweiz AG | 1 | €13.9M | Aug 2026 |
| DE_Bisser AG | 1 | €11.4M | Jul 2026 |
Based on 9 awards with a linked company profile over the last 5 years.
20 open tenders right now
Market context
simap.ch - Swiss public procurement platform 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
- 20,026
- median open notice
- €550,000
Who wins in this market
Many suppliersSwitzerland · Construction work
- different companies won awards here
- 1,454
- of the awards went to the three most frequent winners
- 2%
- buyers awarded contracts here
- 562
Based on 2,849 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)
- 4.4
- of those lots received a single tender
- 8%
- of the awards went to companies based in another country
- 1%
- of the tenders came from 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.
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