{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T03:23:02Z",
  "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-19G37B20B2",
    "type": "page",
    "country": "de",
    "name": "Stadt Aachen: contracts awarded without a rival",
    "url": "https://assay-systems.com/register/de/uncontested/b/stadt-aachen/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 7,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 100,
        "unit": "percent",
        "display": "100%"
      },
      {
        "label": "suppliers",
        "value": 7,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 0,
        "unit": "count"
      }
    ],
    "text": [
      "Stadt Aachen made 7 of its 7 public contract awards without a rival from 2025-03-07 to 2025-03-07: 7 without a competition and 0 after a competition that drew a single bid, to 7 suppliers; the most to AAINA GmbH - Institut für Nachhaltiges Bauen Aachen, 1."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2025-03-07",
          "Supplier": "kadawittfeldarchitektur GmbH 149531-2025",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/kadawittfeldarchitektur-gmbh/",
          "How": "No competition neg-wo-call",
          "Stated reason": "not-wss"
        },
        {
          "Date": "2025-03-07",
          "Supplier": "burkhardt usability architects 149531-2025",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/burkhardt-usability-architects/",
          "How": "No competition neg-wo-call",
          "Stated reason": "not-wss"
        },
        {
          "Date": "2025-03-07",
          "Supplier": "Landmarken AG und Frau Prof. Dr. Ruth Kirschner-Hermanns (Verkäuferinnen) 149531-2025",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/landmarken-ag-und-frau-prof-dr-ruth-kirschner-hermanns-verkauferinnen/",
          "How": "No competition neg-wo-call",
          "Stated reason": "not-wss"
        },
        {
          "Date": "2025-03-07",
          "Supplier": "INCO Ingenieurbüro GmbH 149531-2025",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/inco-ingenieurburo-gmbh/",
          "How": "No competition neg-wo-call",
          "Stated reason": "not-wss"
        },
        {
          "Date": "2025-03-07",
          "Supplier": "H+P lngenieure GmbH 149531-2025",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/h-p-lngenieure-gmbh/",
          "How": "No competition neg-wo-call",
          "Stated reason": "not-wss"
        },
        {
          "Date": "2025-03-07",
          "Supplier": "Gruner Deutschland GmbH 149531-2025",
          "Supplier link": "https://assay-systems.com/register/de/uncontested/s/gruner-deutschland-gmbh/",
          "How": "No competition neg-wo-call",
          "Stated reason": "not-wss"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Germany",
        "url": "https://assay-systems.com/register/de/uncontested/"
      },
      {
        "name": "AAINA GmbH - Institut für Nachhaltiges Bauen Aachen",
        "url": "https://assay-systems.com/register/de/uncontested/s/aaina-gmbh-institut-fur-nachhaltiges-bauen-aachen/"
      },
      {
        "name": "AAINA GmbH - Institut für Nachhaltiges Bauen Aachen in the register",
        "url": "https://assay-systems.com/register/de/aaina-gmbh-institut-fur-nachhaltiges-bauen-aachen/"
      },
      {
        "name": "burkhardt usability architects",
        "url": "https://assay-systems.com/register/de/uncontested/s/burkhardt-usability-architects/"
      },
      {
        "name": "burkhardt usability architects in the register",
        "url": "https://assay-systems.com/register/de/burkhardt-usability-architects/"
      },
      {
        "name": "Gruner Deutschland GmbH",
        "url": "https://assay-systems.com/register/de/uncontested/s/gruner-deutschland-gmbh/"
      },
      {
        "name": "Gruner Deutschland GmbH in the register",
        "url": "https://assay-systems.com/register/de/gruner-deutschland-gmbh/"
      },
      {
        "name": "H+P lngenieure GmbH",
        "url": "https://assay-systems.com/register/de/uncontested/s/h-p-lngenieure-gmbh/"
      },
      {
        "name": "H+P lngenieure GmbH in the register",
        "url": "https://assay-systems.com/register/de/h-p-lngenieure-gmbh/"
      },
      {
        "name": "INCO Ingenieurbüro GmbH",
        "url": "https://assay-systems.com/register/de/uncontested/s/inco-ingenieurburo-gmbh/"
      },
      {
        "name": "INCO Ingenieurbüro GmbH in the register",
        "url": "https://assay-systems.com/register/de/inco-ingenieurburo-gmbh/"
      },
      {
        "name": "kadawittfeldarchitektur GmbH",
        "url": "https://assay-systems.com/register/de/uncontested/s/kadawittfeldarchitektur-gmbh/"
      },
      {
        "name": "kadawittfeldarchitektur GmbH in the register",
        "url": "https://assay-systems.com/register/de/kadawittfeldarchitektur-gmbh/"
      },
      {
        "name": "Landmarken AG und Frau Prof. Dr. Ruth Kirschner-Hermanns (Verkäuferinnen)",
        "url": "https://assay-systems.com/register/de/uncontested/s/landmarken-ag-und-frau-prof-dr-ruth-kirschner-hermanns-verkauferinnen/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-DE-19G37B20B2",
    "cite_as": "Assay Systems, \"Stadt Aachen: contracts awarded without a rival\", https://assay-systems.com/register/de/uncontested/b/stadt-aachen/"
  }
}