{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T16:26:34Z",
  "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-1N9YLPQ0XH",
    "type": "page",
    "country": "uk",
    "name": "London Borough of Hillingdon : suppliers in the Contracts Finder register",
    "url": "https://assay-systems.com/register/uk/buyer/london-borough-of-hillingdon/",
    "summary": "Who supplies London Borough of Hillingdon: the suppliers the Contracts Finder register records for it and the lines it buys.",
    "text": [
      "The suppliers the Contracts Finder register records as having sold to London Borough of Hillingdon , and the lines it buys. A name with a link opens what the register holds for that supplier; a line opens every supplier in it.",
      "For each line this buyer buys, the extract names every award notice it placed, the supplier, the value where one is disclosed, and the notices behind every figure."
    ],
    "records": [
      {
        "name": "all buyers",
        "url": "https://assay-systems.com/register/uk/buyer/"
      },
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/uk/"
      },
      {
        "name": "adult and other education services",
        "url": "https://assay-systems.com/register/uk/line/adult-and-other-education-services/"
      },
      {
        "name": "advertising and marketing services",
        "url": "https://assay-systems.com/register/uk/line/advertising-and-marketing-services/"
      },
      {
        "name": "advertising services",
        "url": "https://assay-systems.com/register/uk/line/advertising-services/"
      },
      {
        "name": "architectural and related services",
        "url": "https://assay-systems.com/register/uk/line/architectural-and-related-services/"
      },
      {
        "name": "building completion work",
        "url": "https://assay-systems.com/register/uk/line/building-completion-work/"
      },
      {
        "name": "building construction work",
        "url": "https://assay-systems.com/register/uk/line/building-construction-work/"
      },
      {
        "name": "building consultancy services",
        "url": "https://assay-systems.com/register/uk/line/building-consultancy-services/"
      },
      {
        "name": "building installation work",
        "url": "https://assay-systems.com/register/uk/line/building-installation-work/"
      },
      {
        "name": "business analysis consultancy services",
        "url": "https://assay-systems.com/register/uk/line/business-analysis-consultancy-services/"
      },
      {
        "name": "civil engineering consultancy services",
        "url": "https://assay-systems.com/register/uk/line/civil-engineering-consultancy-services/"
      },
      {
        "name": "cleaning services",
        "url": "https://assay-systems.com/register/uk/line/cleaning-services/"
      },
      {
        "name": "construction consultancy services",
        "url": "https://assay-systems.com/register/uk/line/construction-consultancy-services/"
      },
      {
        "name": "construction materials",
        "url": "https://assay-systems.com/register/uk/line/construction-materials/"
      },
      {
        "name": "construction materials and associated items",
        "url": "https://assay-systems.com/register/uk/line/construction-materials-and-associated-items/"
      },
      {
        "name": "construction work",
        "url": "https://assay-systems.com/register/uk/line/construction-work/"
      },
      {
        "name": "construction work for multi-dwelling buildings and individual houses",
        "url": "https://assay-systems.com/register/uk/line/construction-work-for-multi-dwelling-buildings-and-individual-houses/"
      },
      {
        "name": "construction-related services",
        "url": "https://assay-systems.com/register/uk/line/construction-related-services/"
      },
      {
        "name": "database systems",
        "url": "https://assay-systems.com/register/uk/line/database-systems/"
      },
      {
        "name": "demolition, site preparation and clearance work",
        "url": "https://assay-systems.com/register/uk/line/demolition-site-preparation-and-clearance-work/"
      },
      {
        "name": "education and training services",
        "url": "https://assay-systems.com/register/uk/line/education-and-training-services/"
      },
      {
        "name": "electrical installation work",
        "url": "https://assay-systems.com/register/uk/line/electrical-installation-work/"
      },
      {
        "name": "electricity, heating, solar and nuclear energy",
        "url": "https://assay-systems.com/register/uk/line/electricity-heating-solar-and-nuclear-energy/"
      },
      {
        "name": "engineering services",
        "url": "https://assay-systems.com/register/uk/line/engineering-services/"
      },
      {
        "name": "environmental services",
        "url": "https://assay-systems.com/register/uk/line/environmental-services/"
      },
      {
        "name": "fencing, railing and safety equipment installation work",
        "url": "https://assay-systems.com/register/uk/line/fencing-railing-and-safety-equipment-installation-work/"
      },
      {
        "name": "flood-prevention works",
        "url": "https://assay-systems.com/register/uk/line/flood-prevention-works/"
      },
      {
        "name": "fuels",
        "url": "https://assay-systems.com/register/uk/line/fuels/"
      },
      {
        "name": "furniture",
        "url": "https://assay-systems.com/register/uk/line/furniture/"
      },
      {
        "name": "health and social work services",
        "url": "https://assay-systems.com/register/uk/line/health-and-social-work-services/"
      },
      {
        "name": "health services",
        "url": "https://assay-systems.com/register/uk/line/health-services/"
      },
      {
        "name": "housing services",
        "url": "https://assay-systems.com/register/uk/line/housing-services/"
      },
      {
        "name": "industrial machinery",
        "url": "https://assay-systems.com/register/uk/line/industrial-machinery/"
      },
      {
        "name": "installation of doors and windows and related components",
        "url": "https://assay-systems.com/register/uk/line/installation-of-doors-and-windows-and-related-components/"
      },
      {
        "name": "it services: consulting, software development, internet and support",
        "url": "https://assay-systems.com/register/uk/line/it-services-consulting-software-development-internet-and-support/"
      },
      {
        "name": "miscellaneous building structures",
        "url": "https://assay-systems.com/register/uk/line/miscellaneous-building-structures/"
      },
      {
        "name": "miscellaneous repair and maintenance services",
        "url": "https://assay-systems.com/register/uk/line/miscellaneous-repair-and-maintenance-services/"
      },
      {
        "name": "miscellaneous transport equipment and spare parts",
        "url": "https://assay-systems.com/register/uk/line/miscellaneous-transport-equipment-and-spare-parts/"
      },
      {
        "name": "motor vehicles",
        "url": "https://assay-systems.com/register/uk/line/motor-vehicles/"
      },
      {
        "name": "networking, internet and intranet software package",
        "url": "https://assay-systems.com/register/uk/line/networking-internet-and-intranet-software-package/"
      },
      {
        "name": "office furniture",
        "url": "https://assay-systems.com/register/uk/line/office-furniture/"
      },
      {
        "name": "passenger cars",
        "url": "https://assay-systems.com/register/uk/line/passenger-cars/"
      },
      {
        "name": "plumbing and sanitary works",
        "url": "https://assay-systems.com/register/uk/line/plumbing-and-sanitary-works/"
      },
      {
        "name": "polythene waste and refuse sacks and bags",
        "url": "https://assay-systems.com/register/uk/line/polythene-waste-and-refuse-sacks-and-bags/"
      },
      {
        "name": "property management services of real estate on a fee or contract basis",
        "url": "https://assay-systems.com/register/uk/line/property-management-services-of-real-estate-on-a-fee-or-contract-basis/"
      },
      {
        "name": "real estate agency services on a fee or contract basis",
        "url": "https://assay-systems.com/register/uk/line/real-estate-agency-services-on-a-fee-or-contract-basis/"
      },
      {
        "name": "refuse and waste related services",
        "url": "https://assay-systems.com/register/uk/line/refuse-and-waste-related-services/"
      },
      {
        "name": "repair and maintenance services",
        "url": "https://assay-systems.com/register/uk/line/repair-and-maintenance-services/"
      },
      {
        "name": "river regulation and flood control works",
        "url": "https://assay-systems.com/register/uk/line/river-regulation-and-flood-control-works/"
      },
      {
        "name": "road sweepers",
        "url": "https://assay-systems.com/register/uk/line/road-sweepers/"
      },
      {
        "name": "roof works and other special trade construction works",
        "url": "https://assay-systems.com/register/uk/line/roof-works-and-other-special-trade-construction-works/"
      },
      {
        "name": "security services",
        "url": "https://assay-systems.com/register/uk/line/security-services/"
      },
      {
        "name": "site preparation work",
        "url": "https://assay-systems.com/register/uk/line/site-preparation-work/"
      },
      {
        "name": "software programming and consultancy services",
        "url": "https://assay-systems.com/register/uk/line/software-programming-and-consultancy-services/"
      },
      {
        "name": "specialist vehicles",
        "url": "https://assay-systems.com/register/uk/line/specialist-vehicles/"
      },
      {
        "name": "systems and technical consultancy services",
        "url": "https://assay-systems.com/register/uk/line/systems-and-technical-consultancy-services/"
      },
      {
        "name": "technical services",
        "url": "https://assay-systems.com/register/uk/line/technical-services/"
      },
      {
        "name": "tipper trucks",
        "url": "https://assay-systems.com/register/uk/line/tipper-trucks/"
      },
      {
        "name": "vans",
        "url": "https://assay-systems.com/register/uk/line/vans/"
      },
      {
        "name": "windows, doors and related items",
        "url": "https://assay-systems.com/register/uk/line/windows-doors-and-related-items/"
      },
      {
        "name": "works for complete or part construction and civil engineering work",
        "url": "https://assay-systems.com/register/uk/line/works-for-complete-or-part-construction-and-civil-engineering-work/"
      },
      {
        "name": "Aebi Schmidt",
        "url": "https://assay-systems.com/register/uk/aebi-schmidt/"
      },
      {
        "name": "Blakedown Landscapes SE",
        "url": "https://assay-systems.com/register/uk/blakedown-landscapes-se/"
      },
      {
        "name": "Certas Energy",
        "url": "https://assay-systems.com/register/uk/certas-energy/"
      },
      {
        "name": "Cromwell Polythene",
        "url": "https://assay-systems.com/register/uk/cromwell-polythene/"
      },
      {
        "name": "D R Jones Yeovil",
        "url": "https://assay-systems.com/register/uk/d-r-jones-yeovil/"
      },
      {
        "name": "Etec Contract Services",
        "url": "https://assay-systems.com/register/uk/etec-contract-services/"
      },
      {
        "name": "European Asbestos Services",
        "url": "https://assay-systems.com/register/uk/european-asbestos-services/"
      },
      {
        "name": "Everwarm",
        "url": "https://assay-systems.com/register/uk/everwarm/"
      },
      {
        "name": "Farid Hillend Engineering",
        "url": "https://assay-systems.com/register/uk/farid-hillend-engineering/"
      },
      {
        "name": "Greyline",
        "url": "https://assay-systems.com/register/uk/greyline/"
      },
      {
        "name": "Ground Control",
        "url": "https://assay-systems.com/register/uk/ground-control/"
      },
      {
        "name": "Inner Circle Consulting",
        "url": "https://assay-systems.com/register/uk/inner-circle-consulting/"
      },
      {
        "name": "John Graham Construction",
        "url": "https://assay-systems.com/register/uk/john-graham-construction/"
      },
      {
        "name": "Keegans",
        "url": "https://assay-systems.com/register/uk/keegans/"
      },
      {
        "name": "Land Use Consultants",
        "url": "https://assay-systems.com/register/uk/land-use-consultants/"
      },
      {
        "name": "Mace Consult",
        "url": "https://assay-systems.com/register/uk/mace-consult/"
      },
      {
        "name": "Opinion Research Services",
        "url": "https://assay-systems.com/register/uk/opinion-research-services/"
      },
      {
        "name": "PeopleScout",
        "url": "https://assay-systems.com/register/uk/peoplescout/"
      },
      {
        "name": "Pilon",
        "url": "https://assay-systems.com/register/uk/pilon/"
      },
      {
        "name": "Prism UK Medical",
        "url": "https://assay-systems.com/register/uk/prism-uk-medical/"
      },
      {
        "name": "Re:Gen",
        "url": "https://assay-systems.com/register/uk/re-gen/"
      },
      {
        "name": "Saltash Enterprises",
        "url": "https://assay-systems.com/register/uk/saltash-enterprises/"
      },
      {
        "name": "Sovereign",
        "url": "https://assay-systems.com/register/uk/sovereign/"
      },
      {
        "name": "T Clarke Contracting",
        "url": "https://assay-systems.com/register/uk/t-clarke-contracting/"
      },
      {
        "name": "T H White",
        "url": "https://assay-systems.com/register/uk/t-h-white/"
      }
    ],
    "assay_record": "ASY-UK-1N9YLPQ0XH",
    "cite_as": "Assay Systems, \"London Borough of Hillingdon : suppliers in the Contracts Finder register\", https://assay-systems.com/register/uk/buyer/london-borough-of-hillingdon/"
  }
}