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ROK Ecological advice and research
ROK Ecologische adviezen en onderzoeken — original title
Your path to submission
- Deadline: 4 December at 12:00 — 33 days left.
- You submit on TenderNed — not here and not by e-mail. ↗ Submission via TenderNed with an eHerkenning account — issuance for foreign firms can take time; apply early. Sort out account and signature first — not on submission day.
- Offer and evidence in: Dutch.
- Collect your evidence — the eligibility requirements are listed on this page; for many of them the analysis explains how to obtain them.
What the buyer is looking for
Water Board Scheldestromen intends to conclude a framework agreement for the performance of ecological advisory services, including ecological surveys, QuickScans, inspections and specialist advice. The call for tenders is divided into different contract categories, where tenderers can apply for one or more categories on the basis of proven expertise and relevant experience. With this framework agreement, the water board aims to contract several expert market parties (including freelancers) for flexible, qualitative and efficient support with ecological issues and projects.
Contract
Type of service
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every 5 months (6 awards, most recently May 2026) — by that rhythm the next award was due around October 2026. The last award went to Van den Heuvel Aannemingsbedrijf B.V.n = 6
- The median procedure drew 5 bids (220 procedures with a bid count); 13% ended with a single bidder. Sector: median 3 bids.n = 220
- 4% of this buyer's awards went to companies that had already won here before (247 awards since 2015, spread over 152 companies). 96% went to new names.n = 247 awards since 2015
- 5% of awards went to companies from abroad (247 awards with a known winner country). Sector average: 2%.n = 247
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 01/11/2026.
Selection criteria — in the procurement documents
The buyer states in the notice that the selection criteria are in the procurement documents (link on this page), not in the EU form. The document analysis below extracts them from there — bid and evidence in Dutch.
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 |
|---|---|---|
| Technische Unie B.V. | 2 | 2024–2026 |
| Antea Nederland B.V. | 2 | 2024–2026 |
| Sweco Nederland B.V. | 2 | 2025–2026 |
| Haskoning Nederland B.V. | 2 | 2026 |
| JACOBS DOUWE EGBERTS PRO NL B.V. | 2 | 2024 |
How often this buyer tenders this kind of work
Tactics
When this buyer has awarded in this sector, usually about 3 bids came in. A normal field for this market. (Based on 4 completed awards — not a statement about this procedure.)
This procedure allows 39 days between publication and deadline — typical in this country is 48 (median of 2,911 procedures). Much tighter than usual: the first week counts.
Foreign bidders
In the Netherlands · Cleaning, environment & waste, 42 contracts went to foreign companies over the last 3 years (of 2,209 recorded awards) — mostly from Germany, France, Belgium.
Submission language: Dutch.
How to bid
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