{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T11:50:18Z",
  "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-ES-1Y579EE06L",
    "type": "page",
    "country": "es",
    "name": "NERTUS MANTENI FERRO SERVICI S.A: public contracts won without a rival in Spain",
    "url": "https://assay-systems.com/register/es/uncontested/s/nertus-manteni-ferro-servici-s-a/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 100,
        "unit": "percent",
        "display": "100%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 4,
        "unit": "count"
      }
    ],
    "text": [
      "NERTUS MANTENI FERRO SERVICI S.A won 4 of its 4 public contract awards in Spain without a rival from 2025-01-29 to 2026-01-19: 0 without a competition and 4 after a competition that drew a single bid. 1 buyer awarded it without a rival, the largest Dirección General de Renfe Ingeniería y Mantenimiento Sociedad Mercantil Estatal, S.A with 4."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-01-19",
          "Buyer": "Dirección General de Renfe Ingeniería y Mantenimiento Sociedad Mercantil Estatal, S.A 36451-2026",
          "Buyer link": "https://assay-systems.com/register/es/uncontested/b/direccion-general-de-renfe-ingenieria-y-mantenimiento-sociedad-mercantil-estatal/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2025-01-29",
          "Buyer": "Dirección General de Renfe Ingeniería y Mantenimiento Sociedad Mercantil Estatal, S.A 62642-2025",
          "Buyer link": "https://assay-systems.com/register/es/uncontested/b/direccion-general-de-renfe-ingenieria-y-mantenimiento-sociedad-mercantil-estatal/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2025-01-29",
          "Buyer": "Dirección General de Renfe Ingeniería y Mantenimiento Sociedad Mercantil Estatal, S.A 61193-2025",
          "Buyer link": "https://assay-systems.com/register/es/uncontested/b/direccion-general-de-renfe-ingenieria-y-mantenimiento-sociedad-mercantil-estatal/",
          "How": "Single bid open",
          "Stated reason": "—"
        },
        {
          "Date": "2025-01-29",
          "Buyer": "Dirección General de Renfe Ingeniería y Mantenimiento Sociedad Mercantil Estatal, S.A 60766-2025",
          "Buyer link": "https://assay-systems.com/register/es/uncontested/b/direccion-general-de-renfe-ingenieria-y-mantenimiento-sociedad-mercantil-estatal/",
          "How": "Single bid open",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Spain",
        "url": "https://assay-systems.com/register/es/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/es/nertus-manteni-ferro-servici-s-a/"
      },
      {
        "name": "Dirección General de Renfe Ingeniería y Mantenimiento Sociedad Mercantil Estatal, S.A",
        "url": "https://assay-systems.com/register/es/uncontested/b/direccion-general-de-renfe-ingenieria-y-mantenimiento-sociedad-mercantil-estatal/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-ES-1Y579EE06L",
    "cite_as": "Assay Systems, \"NERTUS MANTENI FERRO SERVICI S.A: public contracts won without a rival in Spain\", https://assay-systems.com/register/es/uncontested/s/nertus-manteni-ferro-servici-s-a/"
  }
}