J. Jonker en Zonen: public contracts won without a rival in Netherlands: 4 uncontested awards; 33% of its awards; 2 without a competition; 2 single bid.
Assay record ASY-NL-0L5188605H · Cite as: Assay Systems, “J. Jonker en Zonen: public contracts won without a rival in Netherlands”, https://assay-systems.com/register/nl/uncontested/s/j-jonker-en-zonen/
J. Jonker en Zonen won 4 of its 12 public contract awards in Netherlands without a rival from 2024-02-15 to 2026-06-19: 2 without a competition and 2 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Gemeente Lisse with 1.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
Gemeente Lisse gave J. Jonker en Zonen 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-02-15, latest 2024-02-15.
Gemeente Katwijk gave J. Jonker en Zonen 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-05-29, latest 2026-05-29.
Gemeente Leidschendam-Voorburg gave J. Jonker en Zonen 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-01-23, latest 2025-01-23.
Hoogheemraadschap van Rijnland gave J. Jonker en Zonen 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-06-12, latest 2026-06-19.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-06-19 | Hoogheemraadschap van Rijnland 424063-2026 | No competition neg-wo-call | urgency |
| 2026-05-29 | Gemeente Katwijk 367515-2026 | No competition neg-wo-call | technical |
| 2025-01-23 | Gemeente Leidschendam-Voorburg 47010-2025 | Single bid open | — |
| 2024-02-15 | Gemeente Lisse 96129-2024 | Single bid open | — |
Every uncontested award in Netherlands · All countries · J. Jonker en Zonen in the register
Source: Tenders Electronic Daily (TED), Publications Office of the European Union, contract award notices. Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.