The Aperlena Verdict
Open raceNo supplier dominates: 6 different companies have won the last 6 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 6 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 summaryProcurement of engineering services as overall project leader, specialist planner and site manager covering SIA service phases 41 to 53 for the project on road K131 between Zurzach (Rümikon) and Mellikon. The works comprise road construction including utility lines, a stream culvert, vehicle restraint systems, baseline surveying and a digital surface model over a total length of approximately 1,100 m, upgrading the cantonal cycle route and resurfacing the road at the Chessel junction.
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
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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 weeks ago
What this buyer has paid before
Based on 6 comparable contracts this buyer awarded in this sector over the last 4 years.
- Median award
- €523,250
- Middle half of past awards
- €373,009 to €654,862
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
- Switzerland - Engineering office services - VERAS transport infrastructure development Suhr area €332,809
- Schweiz - Dienstleistungen von Architekturbüros bei Gebäuden - Neu- und Umbau Werkhof Felsenau €682,535
- Schweiz - Dienstleistungen von Ingenieurbüros - Zofingen Oftringen, K104 Unterführung €2,694,201
- Schweiz - Dienstleistungen von Ingenieurbüros - Staffelbach-Kirchleerau IO/AO, K327; Sanierung K327 inkl. Ersatz Suhrebrücke B-184 €571,844
- Schweiz - Dienstleistungen von Ingenieurbüros - Mellingen AO, K268 Instandsetzung B-054 €339,126
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 profileAbteilung Tiefbau (ATB)
- notices in the register
- 50
- awards
- 26
- awarded in total
- €37.4M
Who wins its contracts
Many suppliers- different companies won its awards
- 13
- of the awards went to the three most frequent winners
- 23%
- of its calls state an estimated value
- 0%
Based on 13 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)
- 4.8
- of those lots received a single tender
- 14%
- 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_ARX Gruppe AG - NL Basel | 1 | €2.7M | Jun 2026 |
| DE_Walker Architekten AG | 1 | €682,535 | Aug 2026 |
| DE_Ackermann + Wernli AG | 1 | €571,844 | Dec 2025 |
| DE_Go Bau AG | 1 | €474,657 | Aug 2025 |
| DE_Bänziger Partner AG | 1 | €339,126 | Nov 2025 |
Based on 6 awards with a linked company profile over the last 5 years.
3 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 Architecture & engineering services
- 7,840
- median open notice
- €294,533
Who wins in this market
Many suppliersSwitzerland · Architecture & engineering services
- different companies won awards here
- 520
- of the awards went to the three most frequent winners
- 5%
- buyers awarded contracts here
- 297
Based on 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)
- 5.0
- of those lots received a single tender
- 5%
- of the awards went to companies based in another country
- 2%
- 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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