{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T10:54:19Z",
  "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-15UZNU01RC",
    "type": "supplier",
    "country": "uk",
    "name": "Hutton and Rostron Environmental Investigations Ltd in the Contracts Finder register",
    "url": "https://assay-systems.com/register/uk/hutton-and-rostron-environmental-investigations-ltd/",
    "register": "United Kingdom · Contracts Finder award notices · Supplier record",
    "line": {
      "name": "Survey services (CPV 79311000)",
      "url": "https://assay-systems.com/register/uk/line/survey-services/"
    },
    "data_through": "2026-08",
    "compiled": "2026-10-12",
    "figures": [
      {
        "label": "award notices, all years",
        "value": 1,
        "unit": "count",
        "detail": "January 2025",
        "detail_value": "2025-01"
      },
      {
        "label": "since January 2024",
        "value": 1,
        "unit": "count",
        "detail": "1 buyer"
      },
      {
        "label": "rank in the line",
        "value": 41,
        "unit": "rank",
        "display": "41st",
        "detail": "of 186 suppliers · 0.4%"
      },
      {
        "label": "buyers never served",
        "value": 148,
        "unit": "count",
        "detail": "258 notices in the line from them"
      }
    ],
    "sections": [
      {
        "id": "buyers",
        "title": "Who buys from Hutton and Rostron Environmental Investigations Ltd",
        "period": "since January 2024",
        "facts": [
          {
            "label": "buyers",
            "value": 1,
            "unit": "count"
          },
          {
            "label": "notices",
            "value": 1,
            "unit": "count"
          },
          {
            "label": "top buyer",
            "value": 100,
            "unit": "percent",
            "display": "100%"
          }
        ]
      },
      {
        "id": "line",
        "title": "The line",
        "period": "since January 2024",
        "subject": "Survey services (CPV 79311000)",
        "facts": [
          {
            "label": "award notices",
            "value": 263,
            "unit": "count"
          },
          {
            "label": "buyers",
            "value": 149,
            "unit": "count"
          },
          {
            "label": "suppliers",
            "value": 186,
            "unit": "count"
          },
          {
            "label": "held by top ten",
            "value": 20.1,
            "unit": "percent",
            "display": "20.1%"
          },
          {
            "label": "of 186 suppliers",
            "value": 41,
            "unit": "rank",
            "display": "41st"
          },
          {
            "label": "notices name Hutton and Rostron Environmental Investigations Ltd",
            "value": 1,
            "unit": "count"
          },
          {
            "label": "share of the line",
            "value": 0.4,
            "unit": "percent",
            "display": "0.4%"
          },
          {
            "label": "of 5 notices from UK SHARED BUSINESS SERVICES LIMITED",
            "value": 20,
            "unit": "percent",
            "display": "20.0%"
          },
          {
            "label": "new suppliers since 2024",
            "value": 36,
            "unit": "count"
          }
        ]
      },
      {
        "id": "doors",
        "title": "Buyers that buy the line and never named Hutton and Rostron Environmental Investigations Ltd",
        "period": "since January 2022",
        "facts": [
          {
            "label": "buyers",
            "value": 148,
            "unit": "count"
          },
          {
            "label": "notices since 2024",
            "value": 258,
            "unit": "count"
          },
          {
            "label": "buyers took a new supplier",
            "value": 70,
            "unit": "count"
          },
          {
            "label": "suppliers came in that way",
            "value": 107,
            "unit": "count"
          }
        ]
      }
    ],
    "more": {
      "sections": [
        "Own record by year",
        "Suppliers next to it in the line"
      ],
      "on_page": "https://assay-systems.com/register/uk/hutton-and-rostron-environmental-investigations-ltd/"
    },
    "assay_record": "ASY-UK-15UZNU01RC",
    "cite_as": "Assay Systems, \"Hutton and Rostron Environmental Investigations Ltd in the Contracts Finder register\", https://assay-systems.com/register/uk/hutton-and-rostron-environmental-investigations-ltd/"
  }
}