{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T04:28:22Z",
  "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-0YAT7400HV",
    "type": "page",
    "country": "de",
    "name": "Albert Ziegler GmbH: public contracts won without a rival in Germany",
    "url": "https://assay-systems.com/register/de/uncontested/s/albert-ziegler-gmbh/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 46,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 11,
        "unit": "percent",
        "display": "11%"
      },
      {
        "label": "without a competition",
        "value": 5,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 41,
        "unit": "count"
      }
    ],
    "text": [
      "Albert Ziegler GmbH won 46 of its 430 public contract awards in Germany without a rival from 2023-11-30 to 2026-09-22: 5 without a competition and 41 after a competition that drew a single bid. 44 buyers awarded it without a rival, the largest Verbandsgemeinde Daun with 2."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-08-12",
          "Buyer": "Magistrat der Stadt Frankenberg (Eder) 557399-2026",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/magistrat-der-stadt-frankenberg-eder/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2026-06-24",
          "Buyer": "Stadt Dinslaken - Der Bürgermeister 430278-2026",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/stadt-dinslaken-der-burgermeister/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2026-06-22",
          "Buyer": "Verbandsgemeinde Daun 428142-2026",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/verbandsgemeinde-daun/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2026-06-22",
          "Buyer": "Verbandsgemeinde Daun 427135-2026",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/verbandsgemeinde-daun/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2026-06-10",
          "Buyer": "Gemeinde Arrach 397759-2026",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/gemeinde-arrach/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2026-06-10",
          "Buyer": "Stadt Friedrichsthal 396947-2026",
          "Buyer link": "https://assay-systems.com/register/de/uncontested/b/stadt-friedrichsthal/",
          "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/albert-ziegler-gmbh/"
      },
      {
        "name": "Verbandsgemeinde Daun",
        "url": "https://assay-systems.com/register/de/uncontested/b/verbandsgemeinde-daun/"
      },
      {
        "name": "Stadtverwaltung Altensteig",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadtverwaltung-altensteig/"
      },
      {
        "name": "Gemeinde Hohendubrau",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-hohendubrau/"
      },
      {
        "name": "Stadt Gelsenkirchen, 10/4.1 - Zentrale Beschaffungsstelle",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadt-gelsenkirchen-10-4-1-zentrale-beschaffungsstelle/"
      },
      {
        "name": "Stadtverwaltung Apolda",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadtverwaltung-apolda/"
      },
      {
        "name": "Gemeinde Königsbronn",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-konigsbronn/"
      },
      {
        "name": "Gemeindevorstand der Gemeinde Burgwald",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeindevorstand-der-gemeinde-burgwald/"
      },
      {
        "name": "Magistrat der Stadt Frankenberg (Eder)",
        "url": "https://assay-systems.com/register/de/uncontested/b/magistrat-der-stadt-frankenberg-eder/"
      },
      {
        "name": "Gemeinde Kaufungen",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-kaufungen/"
      },
      {
        "name": "Der Gemeindevorstand der Gemeinde Weimar (Lahn)",
        "url": "https://assay-systems.com/register/de/uncontested/b/der-gemeindevorstand-der-gemeinde-weimar-lahn/"
      },
      {
        "name": "Kreis Höxter - Der Landrat",
        "url": "https://assay-systems.com/register/de/uncontested/b/kreis-hoxter-der-landrat/"
      },
      {
        "name": "Gemeinde Erzhausen",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-erzhausen/"
      },
      {
        "name": "Magistrat der Stadt Wächtersbach",
        "url": "https://assay-systems.com/register/de/uncontested/b/magistrat-der-stadt-wachtersbach/"
      },
      {
        "name": "Markt Waging am See",
        "url": "https://assay-systems.com/register/de/uncontested/b/markt-waging-am-see/"
      },
      {
        "name": "Gemeinde Oberstenfeld",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-oberstenfeld/"
      },
      {
        "name": "Gemeinde Erligheim",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-erligheim/"
      },
      {
        "name": "Gemeinde Arrach",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-arrach/"
      },
      {
        "name": "Landkreis Harburg - Zentrale Vergabestelle für die Samtgemeinde Elbmarsch",
        "url": "https://assay-systems.com/register/de/uncontested/b/landkreis-harburg-zentrale-vergabestelle-fur-die-stadt-buchholz/"
      },
      {
        "name": "Landkreis Schaumburg - Vergabestelle",
        "url": "https://assay-systems.com/register/de/uncontested/b/landkreis-schaumburg-vergabestelle/"
      },
      {
        "name": "Gemeinde Baienfurt",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-baienfurt/"
      },
      {
        "name": "Markt Burgebrach",
        "url": "https://assay-systems.com/register/de/uncontested/b/markt-burgebrach/"
      },
      {
        "name": "Markt Scheidegg",
        "url": "https://assay-systems.com/register/de/uncontested/b/markt-scheidegg/"
      },
      {
        "name": "Stadt Nürtingen",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadt-nurtingen/"
      },
      {
        "name": "Gemeinde Unterdießen",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-unterdie-en/"
      },
      {
        "name": "Kreis Herford im Namen und auf Rechnung der Stadt Spenge",
        "url": "https://assay-systems.com/register/de/uncontested/b/kreis-herford-im-namen-und-auf-rechnung-der-stadt-spenge/"
      },
      {
        "name": "Stadt Rosenheim",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadt-rosenheim/"
      },
      {
        "name": "Bundesrepublik Deutschland, vertreten durch das Bundesministerium des Innern, vertreten durch das Beschaffungsamt des BMI",
        "url": "https://assay-systems.com/register/de/uncontested/b/bundesrepublik-deutschland-vertreten-durch-das-bundesministerium-des-innern-vert/"
      },
      {
        "name": "Gemeinde Blankenheim - Die Bürgermeisterin",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-blankenheim-die-burgermeisterin/"
      },
      {
        "name": "Gemeinde Eching",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-eching/"
      },
      {
        "name": "Gemeinde Grasberg c/o Landkreis Osterholz - Zentrale Vergabestelle",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-grasberg-c-o-landkreis-osterholz-zentrale-vergabestelle/"
      },
      {
        "name": "Gemeinde Königshain",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-konigshain/"
      },
      {
        "name": "Gemeinde Lilienthal c/o Landkreis Osterholz - Zentrale Vergabestelle",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-lilienthal-c-o-landkreis-osterholz-zentrale-vergabestelle/"
      },
      {
        "name": "Gemeinde Moosach (Landkreis Ebersberg)",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-moosach-landkreis-ebersberg/"
      },
      {
        "name": "Gemeinde Neukieritzsch",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-neukieritzsch/"
      },
      {
        "name": "Gemeinde Rosengarten, vertreten durch die Gt-service GmbH",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-rosengarten-vertreten-durch-die-gt-service-gmbh/"
      },
      {
        "name": "Gemeinde Schwanewede c/o Landkreis Osterholz - Zentrale Vergabestelle -",
        "url": "https://assay-systems.com/register/de/uncontested/b/gemeinde-schwanewede-c-o-landkreis-osterholz-zentrale-vergabestelle/"
      },
      {
        "name": "Landkreis Gotha, vertreten durch den Landrat",
        "url": "https://assay-systems.com/register/de/uncontested/b/landkreis-gotha-vertreten-durch-den-landrat/"
      },
      {
        "name": "Logistik Zentrum Niedersachsen Landesbetrieb - Außenstelle Hannover",
        "url": "https://assay-systems.com/register/de/uncontested/b/logistik-zentrum-niedersachsen-landesbetrieb-au-enstelle-hannover/"
      },
      {
        "name": "Stadt Bad Homburg v. d. Höhe - Der Magistrat, Fachbereich Recht - Vergabestelle -",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadt-bad-homburg-v-d-hohe-der-magistrat-fachbereich-recht-vergabestelle/"
      },
      {
        "name": "Stadt Billerbeck",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadt-billerbeck/"
      },
      {
        "name": "Stadt Delbrück",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadt-delbruck/"
      },
      {
        "name": "Stadt Dinslaken - Der Bürgermeister",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadt-dinslaken-der-burgermeister/"
      },
      {
        "name": "Stadt Friedrichsthal",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadt-friedrichsthal/"
      },
      {
        "name": "Stadt Krautheim, vertreten durch die Gt-service GmbH",
        "url": "https://assay-systems.com/register/de/uncontested/b/stadt-krautheim-vertreten-durch-die-gt-service-gmbh/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-DE-0YAT7400HV",
    "cite_as": "Assay Systems, \"Albert Ziegler GmbH: public contracts won without a rival in Germany\", https://assay-systems.com/register/de/uncontested/s/albert-ziegler-gmbh/"
  }
}