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ROK Water Soil Research
ROK Waterbodemonderzoek — original title
Your path to submission
- Deadline: 7 December at 12:00 — 36 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 — 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
Water soil research about 60 studies per year (indicative)
Contract
Type of service
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every 3 months (9 awards, most recently June 2026) — by that rhythm the next award was due around September 2026. The last award went to ADS Groep Water B.V.n = 9
- 3% of this buyer's awards went to companies that had already won here before (113 awards since 2015, spread over 60 companies). 97% went to new names.n = 113 awards since 2015
- The median procedure drew 4 bids (90 procedures with a bid count); 10% ended with a single bidder. Sector: median 5 bids.n = 90
- The award came in at a median 91% of the estimated value (10 awards with both estimate and value) — pricing at the estimate is usually too high here. Sector: 90%.n = 10
- 4% of awards went to companies from abroad (113 awards with a known winner country). Sector average: 8%.n = 113
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 — 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 |
|---|---|---|
| Robertus Mechanisatie B.V. | 3 | 2025 |
| Elektrotechnisch Bureau Moekotte B.V. | 2 | 2024 |
| Donker Groep B.V. | 1 | 2025 |
| De Kroon Rioleringen VOF | 1 | 2015 |
| 61 partijen toegelaten tot de raamovereenkomst (zie afzonderlijk gepubliceerde lijst) | 1 | 2015 |
How often this buyer tenders this kind of work
Tactics
When this buyer has awarded in this sector, usually 6 or more bids came in. Many compete here — price and references decide. (Based on 7 completed awards — not a statement about this procedure.)
This procedure allows 54 days between publication and deadline — typical in this country is 48 (median of 2,911 procedures). A normal window for this market.
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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