{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-17T23:20:48Z",
  "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-0EV2H0L190",
    "type": "page",
    "country": "de",
    "name": "ahu GmbH: public contracts won without a rival in Germany",
    "url": "https://assay-systems.com/register/de/uncontested/s/ahu-gmbh/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 67,
        "unit": "percent",
        "display": "67%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 4,
        "unit": "count"
      }
    ],
    "text": [
      "ahu GmbH won 4 of its 6 public contract awards in Germany without a rival from 2023-11-03 to 2026-08-21: 0 without a competition and 4 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Ministerium für Wirtschaft, Industrie, Klimaschutz und Energie des Landes Nordrhein-Westfalen with 1."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-08-21",
          "Buyer": "Nordrhein-Westfalen-Stiftung Naturschutz, Heimat- und Kulturpflege 580796-2026",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/nordrhein-westfalen-stiftung-naturschutz-heimat-und-kulturpflege/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2025-08-06",
          "Buyer": "NABU-Natuschutzstation Niederrhein e.V 514109-2025",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/nabu-natuschutzstation-niederrhein-e-v/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2025-07-28",
          "Buyer": "Ministerium für Wirtschaft, Industrie, Klimaschutz und Energie des Landes Nordrhein-Westfalen 490526-2025",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/ministerium-fur-wirtschaft-industrie-klimaschutz-und-energie-des-landes-nordrhei/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2023-11-03",
          "Buyer": "Landkreis Nienburg/Weser 671986-2023",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/landkreis-nienburg-weser/",
          "How": "Single bid open",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Germany",
        "url": "https://assay-systems.com/register/de/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/de/ahu-gmbh/"
      },
      {
        "name": "Ministerium für Wirtschaft, Industrie, Klimaschutz und Energie des Landes Nordrhein-Westfalen",
        "url": "https://assay-systems.com/register/de/uncontested/b/ministerium-fur-wirtschaft-industrie-klimaschutz-und-energie-des-landes-nordrhei/"
      },
      {
        "name": "NABU-Natuschutzstation Niederrhein e.V",
        "url": "https://assay-systems.com/register/de/uncontested/b/nabu-natuschutzstation-niederrhein-e-v/"
      },
      {
        "name": "Landkreis Nienburg/Weser",
        "url": "https://assay-systems.com/register/de/uncontested/b/landkreis-nienburg-weser/"
      },
      {
        "name": "Nordrhein-Westfalen-Stiftung Naturschutz, Heimat- und Kulturpflege",
        "url": "https://assay-systems.com/register/de/uncontested/b/nordrhein-westfalen-stiftung-naturschutz-heimat-und-kulturpflege/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-DE-0EV2H0L190",
    "cite_as": "Assay Systems, \"ahu GmbH: public contracts won without a rival in Germany\", https://assay-systems.com/register/de/uncontested/s/ahu-gmbh/"
  }
}