{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-17T23:21:52Z",
  "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-0TJF4C312H",
    "type": "page",
    "country": "nl",
    "name": "Onestopsourcing B.V: public contracts won without a rival in Netherlands",
    "url": "https://assay-systems.com/register/nl/uncontested/s/onestopsourcing-b-v/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 36,
        "unit": "percent",
        "display": "36%"
      },
      {
        "label": "without a competition",
        "value": 1,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 3,
        "unit": "count"
      }
    ],
    "text": [
      "Onestopsourcing B.V won 4 of its 11 public contract awards in Netherlands without a rival from 2024-01-12 to 2025-07-09: 1 without a competition and 3 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest Gemeenschappelijke Regeling Belastingsamenwerking gemeenten en hoogheemraadschap Utrecht (BghU) with 2."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2025-07-09",
          "Buyer": "N.V. Economische Impuls Zeeland 445208-2025",
          "Buyer link": "https://assay-systems.com/register/nl/uncontested/b/n-v-economische-impuls-zeeland/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2024-07-10",
          "Buyer": "Gemeenschappelijke Regeling Belastingsamenwerking gemeenten en hoogheemraadschap Utrecht (BghU) 413628-2024",
          "Buyer link": "https://assay-systems.com/register/nl/uncontested/b/gemeenschappelijke-regeling-belastingsamenwerking-gemeenten-en-hoogheemraadschap/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2024-06-11",
          "Buyer": "AQUON 345088-2024",
          "Buyer link": "https://assay-systems.com/register/nl/uncontested/b/aquon/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2024-01-12",
          "Buyer": "Gemeenschappelijke Regeling Belastingsamenwerking gemeenten en hoogheemraadschap Utrecht (BghU) 23715-2024",
          "Buyer link": "https://assay-systems.com/register/nl/uncontested/b/gemeenschappelijke-regeling-belastingsamenwerking-gemeenten-en-hoogheemraadschap/",
          "How": "No competition neg-wo-call",
          "Stated reason": "dir24-list"
        }
      ]
    ],
    "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/onestopsourcing-b-v/"
      },
      {
        "name": "Gemeenschappelijke Regeling Belastingsamenwerking gemeenten en hoogheemraadschap Utrecht (BghU)",
        "url": "https://assay-systems.com/register/nl/uncontested/b/gemeenschappelijke-regeling-belastingsamenwerking-gemeenten-en-hoogheemraadschap/"
      },
      {
        "name": "AQUON",
        "url": "https://assay-systems.com/register/nl/uncontested/b/aquon/"
      },
      {
        "name": "N.V. Economische Impuls Zeeland",
        "url": "https://assay-systems.com/register/nl/uncontested/b/n-v-economische-impuls-zeeland/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-NL-0TJF4C312H",
    "cite_as": "Assay Systems, \"Onestopsourcing B.V: public contracts won without a rival in Netherlands\", https://assay-systems.com/register/nl/uncontested/s/onestopsourcing-b-v/"
  }
}