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.
- Expected final price vs the published estimate
- +25%
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 summaryThis tender concerns the development of a Water and Climate Adaptation Programme for the Maas- en Mergelland region, together with six municipal water programmes for the participating municipalities. The buyers are the municipalities of Eijsden-Margraten, Gulpen-Wittem, Maastricht, Meerssen, Vaals and Valkenburg aan de Geul, working with the water authority Waterschap Limburg and drinking water company Waterleidingmaatschappij Limburg, all located in the Netherlands. The goal is an efficient, robust and climate-resilient urban water system and water chain management. Small businesses specialised in engineering services should consult the full tender documents for participation details.
Description
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 Dutch.
- Certificates from another EU country? Check the equivalents on eCertis
Official source
Source: TED - Tenders Electronic Daily (Publications Office of the EU)
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Last verified against TED - Tenders Electronic Daily (Publications Office of the EU) 1 month ago
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Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| WoonWijzerWinkel Zuid Limburg B.V. | 1 | €589,856 | Nov 2025 |
| Opera Amsterdam B.V. | 1 | €500,000 | May 2026 |
| Antea Group | 1 | €157,680 | Jan 2026 |
| Haskoning Nederland B.V. | 1 | n/a | Jul 2026 |
| Nebest B.V. | 1 | n/a | Dec 2025 |
Based on 6 awards with a linked company profile over the last 5 years.
What this buyer has paid before
Based on 3 comparable contracts this buyer awarded in this sector over the last 4 years.
- Lower quartile
- €328,840
- Median award
- €500,000
- Upper quartile
- €544,928
Most recent awards
- Nederland - Dienstverlening door ingenieurs - Warmteprogramma incl. MER €157,680
- Nederland - Dienstverlening door ingenieurs - Energieloket Heuvelland €589,856
- Nederland - Dienstverlening op het gebied van architectuur en dergelijke - Interieurarchitect Natuur Historisch Museum Maastricht €500,000
Award values as published by the official sources. Use them as a guide, not a rule: scope, lots and duration differ between contracts.
Change history
Every time an official source republished this notice with different content. We watch every source we index, including regional copies of the same notice.
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- Submission deadline: Extended by 1 day: now October 2, 2026, 08:00
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Market context
- Avg. open tender · Architecture & engineering services
- €9,512,921
- Buyer track record on Aperlena
- 111 notices tracked · 53 awarded
- €72,653,416 in awarded contracts
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