{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T11:33:46Z",
  "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-DE-18NNJ2W15H",
    "type": "page",
    "country": "de",
    "name": "Stadt Düren: contracts awarded without a rival",
    "url": "https://assay-systems.com/register/de/uncontested/b/stadt-duren/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 29,
        "unit": "percent",
        "display": "29%"
      },
      {
        "label": "suppliers",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 3,
        "unit": "count"
      }
    ],
    "text": [
      "Stadt Düren made 4 of its 14 public contract awards without a rival from 2024-03-14 to 2026-05-08: 1 without a competition and 3 after a competition that drew a single bid, to 4 suppliers; the most to Keller Büromaschienen GmbH, 1."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-05-08",
          "Supplier": "Keller Büromaschienen GmbH 318846-2026",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/keller-buromaschienen-gmbh/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2025-07-24",
          "Supplier": "struhk architektur GmbH 486128-2025",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/struhk-architektur-gmbh/",
          "How": "No competition neg-wo-call",
          "Stated reason": "serv-excl"
        },
        {
          "Date": "2025-03-27",
          "Supplier": "VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG 197995-2025",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/vs-vereinigte-spezialmobelfabriken-gmbh-co-kg/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2024-03-14",
          "Supplier": "hks | architekten GmbH mit Götte Landschaftsarchitekten GmbH 154447-2024",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/hks-architekten-gmbh-mit-gotte-landschaftsarchitekten-gmbh/",
          "How": "Single bid neg-w-call",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Germany",
        "url": "https://assay-systems.com/register/de/uncontested/"
      },
      {
        "name": "Keller Büromaschienen GmbH",
        "url": "https://assay-systems.com/register/de/uncontested/s/keller-buromaschienen-gmbh/"
      },
      {
        "name": "Keller Büromaschienen GmbH in the register",
        "url": "https://assay-systems.com/register/de/keller-buromaschienen-gmbh/"
      },
      {
        "name": "VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG",
        "url": "https://assay-systems.com/register/de/uncontested/s/vs-vereinigte-spezialmobelfabriken-gmbh-co-kg/"
      },
      {
        "name": "VS Vereinigte Spezialmöbelfabriken GmbH & Co. KG in the register",
        "url": "https://assay-systems.com/register/de/vs-vereinigte-spezialmobelfabriken-gmbh-co-kg/"
      },
      {
        "name": "hks | architekten GmbH mit Götte Landschaftsarchitekten GmbH",
        "url": "https://assay-systems.com/register/de/uncontested/s/hks-architekten-gmbh-mit-gotte-landschaftsarchitekten-gmbh/"
      },
      {
        "name": "hks | architekten GmbH mit Götte Landschaftsarchitekten GmbH in the register",
        "url": "https://assay-systems.com/register/de/hks-architekten-gmbh-mit-gotte-landschaftsarchitekten-gmbh/"
      },
      {
        "name": "struhk architektur GmbH",
        "url": "https://assay-systems.com/register/de/uncontested/s/struhk-architektur-gmbh/"
      },
      {
        "name": "struhk architektur GmbH in the register",
        "url": "https://assay-systems.com/register/de/struhk-architektur-gmbh/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-DE-18NNJ2W15H",
    "cite_as": "Assay Systems, \"Stadt Düren: contracts awarded without a rival\", https://assay-systems.com/register/de/uncontested/b/stadt-duren/"
  }
}