{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T04:25:17Z",
  "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-CL-0230AIU0AA",
    "type": "page",
    "country": "cl",
    "name": "RIOSAN CIA LTDA: public contracts won without a rival in Chile",
    "url": "https://assay-systems.com/register/cl/uncontested/s/riosan-cia-ltda/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 7,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 2,
        "unit": "percent",
        "display": "2%"
      },
      {
        "label": "without a competition",
        "value": 6,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 1,
        "unit": "count"
      }
    ],
    "text": [
      "RIOSAN CIA LTDA won 7 of its 281 public contract awards in Chile without a rival from 2024-01-19 to 2026-04-02: 6 without a competition and 1 after a competition that drew a single bid. 7 buyers awarded it without a rival, the largest SERVICIO AGRICOLA Y GANADERO with 1."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-04-02",
          "Buyer": "SEREMI Bienes Nacionales VIII Región CL-54587638",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/seremi-bienes-nacionales-viii-region/",
          "How": "No competition direct",
          "Stated reason": "Costo de evaluación desproporcionado, y por monto de contratación inferior a 100 UTM"
        },
        {
          "Date": "2025-12-26",
          "Buyer": "DIRECCION DEL TRABAJO CL-54077945",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/direccion-del-trabajo/",
          "How": "No competition direct",
          "Stated reason": "Costo de evaluación desproporcionado, y por monto de contratación inferior a 100 UTM"
        },
        {
          "Date": "2025-08-08",
          "Buyer": "SECRETARIA REGIONAL MINISTERIAL DE PLANIFICACION Y COORD. VIII REGION CL-53223061",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/secretaria-regional-ministerial-de-planificacion-y-coord-viii-region/",
          "How": "No competition direct",
          "Stated reason": "Costo de evaluación desproporcionado, y por monto de contratación inferior a 100 UTM"
        },
        {
          "Date": "2025-06-18",
          "Buyer": "I MUNICIPALIDAD DE ARAUCO CL-52917918",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/i-municipalidad-de-arauco/",
          "How": "No competition direct",
          "Stated reason": "Adquisiciones inferiores a 30 UTM, que privilegien materias de alto impacto social"
        },
        {
          "Date": "2024-06-17",
          "Buyer": "I MUNICIPALIDAD DE CHIGUAYANTE CL-50679980",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/i-municipalidad-de-chiguayante/",
          "How": "No competition direct",
          "Stated reason": "—"
        },
        {
          "Date": "2024-06-03",
          "Buyer": "MINISTERIO DE OBRAS PUBLICAS DIREC CION GRAL DE OO PP DCYF CL-9361431",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/ministerio-de-obras-publicas-direc-cion-gral-de-oo-pp-dcyf/",
          "How": "Single bid Licitación Pública Menor a 100 UTM (L1)",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Chile",
        "url": "https://assay-systems.com/register/cl/uncontested/"
      },
      {
        "name": "SERVICIO AGRICOLA Y GANADERO",
        "url": "https://assay-systems.com/register/cl/uncontested/b/servicio-agricola-y-ganadero/"
      },
      {
        "name": "I MUNICIPALIDAD DE CHIGUAYANTE",
        "url": "https://assay-systems.com/register/cl/uncontested/b/i-municipalidad-de-chiguayante/"
      },
      {
        "name": "SECRETARIA REGIONAL MINISTERIAL DE PLANIFICACION Y COORD. VIII REGION",
        "url": "https://assay-systems.com/register/cl/uncontested/b/secretaria-regional-ministerial-de-planificacion-y-coord-viii-region/"
      },
      {
        "name": "I MUNICIPALIDAD DE ARAUCO",
        "url": "https://assay-systems.com/register/cl/uncontested/b/i-municipalidad-de-arauco/"
      },
      {
        "name": "DIRECCION DEL TRABAJO",
        "url": "https://assay-systems.com/register/cl/uncontested/b/direccion-del-trabajo/"
      },
      {
        "name": "SEREMI Bienes Nacionales VIII Región",
        "url": "https://assay-systems.com/register/cl/uncontested/b/seremi-bienes-nacionales-viii-region/"
      },
      {
        "name": "MINISTERIO DE OBRAS PUBLICAS DIREC CION GRAL DE OO PP DCYF",
        "url": "https://assay-systems.com/register/cl/uncontested/b/ministerio-de-obras-publicas-direc-cion-gral-de-oo-pp-dcyf/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-CL-0230AIU0AA",
    "cite_as": "Assay Systems, \"RIOSAN CIA LTDA: public contracts won without a rival in Chile\", https://assay-systems.com/register/cl/uncontested/s/riosan-cia-ltda/"
  }
}