{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T05:16:43Z",
  "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-UK-1BCYVYT0N0",
    "type": "supplier",
    "country": "uk",
    "name": "ESU1 Ltd in the Contracts Finder register",
    "url": "https://assay-systems.com/register/uk/esu1-ltd/",
    "register": "United Kingdom · Contracts Finder award notices · Supplier record",
    "line": {
      "name": "Technical analysis or consultancy services (CPV 71621000)",
      "url": "https://assay-systems.com/register/uk/line/technical-analysis-or-consultancy-services/"
    },
    "data_through": "2026-08",
    "compiled": "2026-10-12",
    "figures": [
      {
        "label": "award notices, all years",
        "value": 3,
        "unit": "count",
        "detail": "Sep 2024 – Sep 2025"
      },
      {
        "label": "since January 2024",
        "value": 3,
        "unit": "count",
        "detail": "3 buyers"
      },
      {
        "label": "rank in the line",
        "value": 27,
        "unit": "rank",
        "display": "27th",
        "detail": "of 134 suppliers · 0.6%"
      },
      {
        "label": "buyers never served",
        "value": 76,
        "unit": "count",
        "detail": "179 notices in the line from them"
      }
    ],
    "sections": [
      {
        "id": "buyers",
        "title": "Who buys from ESU1 Ltd",
        "period": "since January 2024",
        "facts": [
          {
            "label": "buyers",
            "value": 3,
            "unit": "count"
          },
          {
            "label": "notices",
            "value": 3,
            "unit": "count"
          },
          {
            "label": "top buyer",
            "value": 33,
            "unit": "percent",
            "display": "33%"
          }
        ]
      },
      {
        "id": "line",
        "title": "The line",
        "period": "since January 2024",
        "subject": "Technical analysis or consultancy services (CPV 71621000)",
        "facts": [
          {
            "label": "award notices",
            "value": 181,
            "unit": "count"
          },
          {
            "label": "buyers",
            "value": 78,
            "unit": "count"
          },
          {
            "label": "suppliers",
            "value": 134,
            "unit": "count"
          },
          {
            "label": "held by top ten",
            "value": 23.1,
            "unit": "percent",
            "display": "23.1%"
          },
          {
            "label": "of 134 suppliers",
            "value": 27,
            "unit": "rank",
            "display": "27th"
          },
          {
            "label": "notices name ESU1 Ltd",
            "value": 1,
            "unit": "count"
          },
          {
            "label": "share of the line",
            "value": 0.6,
            "unit": "percent",
            "display": "0.6%"
          },
          {
            "label": "of 1 notice from London Borough of Southwark",
            "value": 100,
            "unit": "percent",
            "display": "100.0%"
          },
          {
            "label": "new suppliers since 2024",
            "value": 31,
            "unit": "count"
          }
        ]
      },
      {
        "id": "doors",
        "title": "Buyers that buy the line and never named ESU1 Ltd",
        "period": "since January 2022",
        "facts": [
          {
            "label": "buyers",
            "value": 76,
            "unit": "count"
          },
          {
            "label": "notices since 2024",
            "value": 179,
            "unit": "count"
          },
          {
            "label": "buyers took a new supplier",
            "value": 46,
            "unit": "count"
          },
          {
            "label": "suppliers came in that way",
            "value": 76,
            "unit": "count"
          }
        ]
      }
    ],
    "more": {
      "sections": [
        "Own record by year",
        "Suppliers next to it in the line"
      ],
      "on_page": "https://assay-systems.com/register/uk/esu1-ltd/"
    },
    "assay_record": "ASY-UK-1BCYVYT0N0",
    "cite_as": "Assay Systems, \"ESU1 Ltd in the Contracts Finder register\", https://assay-systems.com/register/uk/esu1-ltd/"
  }
}