{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T03:33:45Z",
  "source": "Assay Systems register, https://assay-systems.com/register/",
  "access_notice": "On 15 November 2026, automated access to assay-systems.com closes. After that date, access is available only under a paid annual subscription contract. Contact: contact@assay-systems.com",
  "data": {
    "id": "ASY-NL-0L5188605H",
    "type": "page",
    "country": "nl",
    "name": "J. Jonker en Zonen: public contracts won without a rival in Netherlands",
    "url": "https://assay-systems.com/register/nl/uncontested/s/j-jonker-en-zonen/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 33,
        "unit": "percent",
        "display": "33%"
      },
      {
        "label": "without a competition",
        "value": 2,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 2,
        "unit": "count"
      }
    ],
    "text": [
      "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."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-06-19",
          "Buyer": "Hoogheemraadschap van Rijnland 424063-2026",
          "Buyer link": "https://assay-systems.com/register/nl/uncontested/b/hoogheemraadschap-van-rijnland/",
          "How": "No competition neg-wo-call",
          "Stated reason": "urgency"
        },
        {
          "Date": "2026-05-29",
          "Buyer": "Gemeente Katwijk 367515-2026",
          "Buyer link": "https://assay-systems.com/register/nl/uncontested/b/gemeente-katwijk/",
          "How": "No competition neg-wo-call",
          "Stated reason": "technical"
        },
        {
          "Date": "2025-01-23",
          "Buyer": "Gemeente Leidschendam-Voorburg 47010-2025",
          "Buyer link": "https://assay-systems.com/register/nl/uncontested/b/gemeente-leidschendam-voorburg/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2024-02-15",
          "Buyer": "Gemeente Lisse 96129-2024",
          "Buyer link": "https://assay-systems.com/register/nl/uncontested/b/gemeente-lisse/",
          "How": "Single bid open",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Netherlands",
        "url": "https://assay-systems.com/register/nl/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/nl/j-jonker-en-zonen/"
      },
      {
        "name": "Gemeente Lisse",
        "url": "https://assay-systems.com/register/nl/uncontested/b/gemeente-lisse/"
      },
      {
        "name": "Gemeente Katwijk",
        "url": "https://assay-systems.com/register/nl/uncontested/b/gemeente-katwijk/"
      },
      {
        "name": "Gemeente Leidschendam-Voorburg",
        "url": "https://assay-systems.com/register/nl/uncontested/b/gemeente-leidschendam-voorburg/"
      },
      {
        "name": "Hoogheemraadschap van Rijnland",
        "url": "https://assay-systems.com/register/nl/uncontested/b/hoogheemraadschap-van-rijnland/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "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/"
  }
}