{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T01:43:35Z",
  "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-110H6KZ18L",
    "type": "page",
    "country": "uk",
    "name": "Northern Trains Limited : suppliers in the Contracts Finder register",
    "url": "https://assay-systems.com/register/uk/buyer/northern-trains-limited/",
    "summary": "Who supplies Northern Trains Limited: 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 Northern Trains Limited , 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": "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": "building completion work",
        "url": "https://assay-systems.com/register/uk/line/building-completion-work/"
      },
      {
        "name": "cleaning and sanitation services in urban or rural areas, and related services",
        "url": "https://assay-systems.com/register/uk/line/cleaning-and-sanitation-services-in-urban-or-rural-areas-and-related-services/"
      },
      {
        "name": "commercial property management services",
        "url": "https://assay-systems.com/register/uk/line/commercial-property-management-services/"
      },
      {
        "name": "construction work",
        "url": "https://assay-systems.com/register/uk/line/construction-work/"
      },
      {
        "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": "painting work",
        "url": "https://assay-systems.com/register/uk/line/painting-work/"
      },
      {
        "name": "programming services of application software",
        "url": "https://assay-systems.com/register/uk/line/programming-services-of-application-software/"
      },
      {
        "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": "software programming and consultancy services",
        "url": "https://assay-systems.com/register/uk/line/software-programming-and-consultancy-services/"
      },
      {
        "name": "Bell",
        "url": "https://assay-systems.com/register/uk/bell/"
      }
    ],
    "assay_record": "ASY-UK-110H6KZ18L",
    "cite_as": "Assay Systems, \"Northern Trains Limited : suppliers in the Contracts Finder register\", https://assay-systems.com/register/uk/buyer/northern-trains-limited/"
  }
}