{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T04:41:10Z",
  "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-PE-1SL7VFU02S",
    "type": "page",
    "country": "pe",
    "name": "E E S.R.LTDA: public contracts won without a rival in Peru",
    "url": "https://assay-systems.com/register/pe/uncontested/s/e-e-s-r-ltda/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 7,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 47,
        "unit": "percent",
        "display": "47%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 7,
        "unit": "count"
      }
    ],
    "text": [
      "E E S.R.LTDA won 7 of its 15 public contract awards in Peru without a rival from 2016-02-19 to 2025-09-22: 0 without a competition and 7 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest SEGURO SOCIAL DE SALUD with 4."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2021-07-05",
          "Buyer": "SEGURO SOCIAL DE SALUD ocds-dgv273-seacev3-2021-2543-1426",
          "Buyer link": "https://assay-systems.com/register/pe/uncontested/b/seguro-social-de-salud/",
          "How": "Single bid open",
          "Stated reason": "Adjudicación Simplificada"
        },
        {
          "Date": "2020-03-12",
          "Buyer": "DIRECCIÓN DE SANIDAD DE LA PNP ocds-dgv273-seacev3-582779",
          "Buyer link": "https://assay-systems.com/register/pe/uncontested/b/direccion-de-sanidad-de-la-pnp/",
          "How": "Single bid open",
          "Stated reason": "Concurso Público"
        },
        {
          "Date": "2020-02-27",
          "Buyer": "SEGURO SOCIAL DE SALUD ocds-dgv273-seacev3-2019-2543-2827",
          "Buyer link": "https://assay-systems.com/register/pe/uncontested/b/seguro-social-de-salud/",
          "How": "Single bid open",
          "Stated reason": "Licitación Pública"
        },
        {
          "Date": "2019-12-10",
          "Buyer": "INSTITUTO PERUANO DE ENERGIA NUCLEAR ocds-dgv273-seacev3-2019-1981-31",
          "Buyer link": "https://assay-systems.com/register/pe/uncontested/b/instituto-peruano-de-energia-nuclear/",
          "How": "Single bid open",
          "Stated reason": "Adjudicación Simplificada"
        },
        {
          "Date": "2016-10-31",
          "Buyer": "SEGURO SOCIAL DE SALUD ocds-dgv273-seacev3-305683",
          "Buyer link": "https://assay-systems.com/register/pe/uncontested/b/seguro-social-de-salud/",
          "How": "Single bid open",
          "Stated reason": "Adjudicación de Menor Cuantía"
        },
        {
          "Date": "2016-10-28",
          "Buyer": "GOBIERNO REGIONAL DE LAMBAYEQUE - HOSPITAL REGIONAL LAMBAYEQUE ocds-dgv273-seacev3-306405",
          "Buyer link": "https://assay-systems.com/register/pe/uncontested/b/gobierno-regional-de-lambayeque-hospital-regional-lambayeque/",
          "How": "Single bid open",
          "Stated reason": "Adjudicación Simplificada"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Peru",
        "url": "https://assay-systems.com/register/pe/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/pe/e-e-s-r-ltda/"
      },
      {
        "name": "SEGURO SOCIAL DE SALUD",
        "url": "https://assay-systems.com/register/pe/uncontested/b/seguro-social-de-salud/"
      },
      {
        "name": "DIRECCIÓN DE SANIDAD DE LA PNP",
        "url": "https://assay-systems.com/register/pe/uncontested/b/direccion-de-sanidad-de-la-pnp/"
      },
      {
        "name": "GOBIERNO REGIONAL DE LAMBAYEQUE - HOSPITAL REGIONAL LAMBAYEQUE",
        "url": "https://assay-systems.com/register/pe/uncontested/b/gobierno-regional-de-lambayeque-hospital-regional-lambayeque/"
      },
      {
        "name": "INSTITUTO PERUANO DE ENERGIA NUCLEAR",
        "url": "https://assay-systems.com/register/pe/uncontested/b/instituto-peruano-de-energia-nuclear/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-PE-1SL7VFU02S",
    "cite_as": "Assay Systems, \"E E S.R.LTDA: public contracts won without a rival in Peru\", https://assay-systems.com/register/pe/uncontested/s/e-e-s-r-ltda/"
  }
}