{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T01:08:46Z",
  "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-07A7KON06J",
    "type": "line",
    "country": "uk",
    "name": "Operating systems: United Kingdom public contracts since 2024",
    "url": "https://assay-systems.com/register/uk/line/operating-systems/",
    "text": [
      "Since January 2024 the line carries 23 award notices from 11 buyers. 22 suppliers share it.",
      "8 in 2024. 9 in 2025. 6 in the first 8 months of 2026.",
      "3 of them had no award notice in the register from January 2022 to 2023.",
      "Names every buyer behind the figures and, for each award notice, the supplier, the award date, the notice number and the value where one is disclosed, and the notices behind every figure.",
      "Share of the line held by each of its largest suppliers, by number of award notices, in the Contracts Finder register."
    ],
    "records": [
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/uk/"
      },
      {
        "name": "Basware Holdings Limited",
        "url": "https://assay-systems.com/register/uk/basware-holdings-limited/"
      },
      {
        "name": "BYTES SOFTWARE SERVICES LIMITED",
        "url": "https://assay-systems.com/register/uk/bytes-software-services/"
      },
      {
        "name": "Civica UK Limited",
        "url": "https://assay-systems.com/register/uk/civica/"
      },
      {
        "name": "Centerprise International Limited",
        "url": "https://assay-systems.com/register/uk/centerprise-international/"
      },
      {
        "name": "CDW Limited",
        "url": "https://assay-systems.com/register/uk/cdw-limited/"
      },
      {
        "name": "Ultima Business Solutions Limited",
        "url": "https://assay-systems.com/register/uk/ultima-business-solutions/"
      },
      {
        "name": "Phoenix Software Ltd",
        "url": "https://assay-systems.com/register/uk/phoenix-software/"
      },
      {
        "name": "Somerford Associates Limited",
        "url": "https://assay-systems.com/register/uk/somerford-associates-limited/"
      },
      {
        "name": "NCC Group Security Services Limited",
        "url": "https://assay-systems.com/register/uk/ncc-group-security-services/"
      },
      {
        "name": "NQC LIMITED",
        "url": "https://assay-systems.com/register/uk/nqc-limited/"
      },
      {
        "name": "Qualtrics LLC",
        "url": "https://assay-systems.com/register/uk/qualtrics-llc/"
      },
      {
        "name": "Diligent Boardbooks Limited",
        "url": "https://assay-systems.com/register/uk/diligent-boardbooks/"
      },
      {
        "name": "SOFTWAREONE UK LIMITED",
        "url": "https://assay-systems.com/register/uk/softwareone/"
      },
      {
        "name": "Propeller Powered Limited",
        "url": "https://assay-systems.com/register/uk/propeller-powered-limited/"
      },
      {
        "name": "Signis Limited",
        "url": "https://assay-systems.com/register/uk/signis-limited/"
      },
      {
        "name": "Flux Rose Ltd",
        "url": "https://assay-systems.com/register/uk/flux-rose-ltd/"
      },
      {
        "name": "Risk Ledger Ltd",
        "url": "https://assay-systems.com/register/uk/risk-ledger/"
      },
      {
        "name": "THRIVE CSR LIMITED",
        "url": "https://assay-systems.com/register/uk/thrive-csr-limited/"
      },
      {
        "name": "CELONIS LTD",
        "url": "https://assay-systems.com/register/uk/celonis-ltd/"
      },
      {
        "name": "DESTINET LIMITED",
        "url": "https://assay-systems.com/register/uk/destinet-limited/"
      },
      {
        "name": "DUPLICATE - NHS Supply Chain Maintenance",
        "url": "https://assay-systems.com/register/uk/duplicate-nhs-supply-chain-maintenance/"
      },
      {
        "name": "Hackerone Inc.",
        "url": "https://assay-systems.com/register/uk/hackerone-inc-f895/"
      }
    ],
    "assay_record": "ASY-UK-07A7KON06J",
    "cite_as": "Assay Systems, \"Operating systems: United Kingdom public contracts since 2024\", https://assay-systems.com/register/uk/line/operating-systems/"
  }
}