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Hydrobiological research
Hydrobiologisch onderzoek — original title
Your path to submission
- Deadline: 16 November at 10:00 — 15 days left.
- The submission point is stated in the notice (link on this page).
- Offer and evidence in: Dutch.
- Collect your evidence — use the eligibility analysis on this page: it lists the requirements and, for known certificates, how to get them.
What the buyer is looking for
Conducting hydrobiological studies. See Descriptive Document for further information. €4.690.000,- · Conducting hydrobiological studies on macrofauna, phytoplankton, ornamental algae and diatoms. The estimated value for lot 1 is €3 400 000.00. · Carrying out hydrobiological surveys on vegetation. The estimated value for lot 2 is €580.000,00. · Carrying out hydrobiological research into fish stock monitoring. The estimated value of lot 3 is €710 000.00.
Contract
Type of service
Clement What the numbers say about this buyer
- The median procedure drew 2 bids (14 procedures with a bid count); 29% ended with a single bidder. Sector: median 5 bids.n = 14
- 0% of this buyer's awards went to companies that had already won here before (14 awards since 2022, spread over 12 companies). That is well below the sector norm (12%) — this buyer switches suppliers more often than others.n = 14 awards since 2022
- 69% of the bids received came from small and medium-sized enterprises (12 procedures with a bid mix). Sector: 42%.n = 12
- 7% of awards went to companies from abroad (14 awards with a known winner country). Sector average: 8%.n = 14
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 25/10/2026.
Selection criteria — via the ESPD
The buyer states in the notice that eligibility is proven through the European Single Procurement Document (ESPD); the concrete requirements are in the tender documents. The document analysis below extracts them from there — bid and evidence in Dutch.
Eligibility analysis from the tender documents
Tender documents — direct download
Who has won at this buyer so far
Across all contract types of this buyer — not just this sector. A city buys software and fire engines through the same purchasing office.
| Company | Awards | Period |
|---|---|---|
| Flextender | 1 | 2024 |
| Observator Instruments B.V. | 1 | 2024 |
| Bio Detection Systems B.V. | 1 | 2025 |
| Ecofide | 1 | 2025 |
| Avallo Advies B.V. | 1 | 2024 |
How often this buyer tenders this kind of work
Tactics
When this buyer has awarded in this sector, there was usually a single bid in the end. A solid bid has a real chance here. (Based on 4 completed awards — not a statement about this procedure.)
This procedure allows 76 days between publication and deadline — typical in this country is 48 (median of 2,911 procedures). Much more generous than usual — time for a thorough bid rather than a quick one.
The deadline falls on a Monday — your last full working day is the Friday before. Have evidence and guarantees together by Thursday.
Foreign bidders
In the Netherlands · Architecture & engineering, 129 contracts went to foreign companies over the last 3 years (of 2,699 recorded awards) — mostly from Germany, France, United Kingdom.
Submission language: Dutch.
How to bid
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