{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T06:18:57Z",
  "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-0WO1ZLI0GV",
    "type": "page",
    "country": "uk",
    "name": "West Yorkshire Combined Authority : suppliers in the Contracts Finder register",
    "url": "https://assay-systems.com/register/uk/buyer/west-yorkshire-combined-authority/",
    "summary": "Who supplies West Yorkshire Combined Authority: 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 West Yorkshire Combined Authority , 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": "administration services",
        "url": "https://assay-systems.com/register/uk/line/administration-services/"
      },
      {
        "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": "architectural and related services",
        "url": "https://assay-systems.com/register/uk/line/architectural-and-related-services/"
      },
      {
        "name": "auditing services",
        "url": "https://assay-systems.com/register/uk/line/auditing-services/"
      },
      {
        "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": "building surveying services",
        "url": "https://assay-systems.com/register/uk/line/building-surveying-services/"
      },
      {
        "name": "buses and coaches",
        "url": "https://assay-systems.com/register/uk/line/buses-and-coaches/"
      },
      {
        "name": "business analysis consultancy services",
        "url": "https://assay-systems.com/register/uk/line/business-analysis-consultancy-services/"
      },
      {
        "name": "business and management consultancy and related services",
        "url": "https://assay-systems.com/register/uk/line/business-and-management-consultancy-and-related-services/"
      },
      {
        "name": "business and management consultancy services",
        "url": "https://assay-systems.com/register/uk/line/business-and-management-consultancy-services/"
      },
      {
        "name": "cameras",
        "url": "https://assay-systems.com/register/uk/line/cameras/"
      },
      {
        "name": "civil engineering consultancy services",
        "url": "https://assay-systems.com/register/uk/line/civil-engineering-consultancy-services/"
      },
      {
        "name": "communication and multimedia software package",
        "url": "https://assay-systems.com/register/uk/line/communication-and-multimedia-software-package/"
      },
      {
        "name": "communication software package",
        "url": "https://assay-systems.com/register/uk/line/communication-software-package/"
      },
      {
        "name": "communications network",
        "url": "https://assay-systems.com/register/uk/line/communications-network/"
      },
      {
        "name": "computer equipment and supplies",
        "url": "https://assay-systems.com/register/uk/line/computer-equipment-and-supplies/"
      },
      {
        "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 highways, roads",
        "url": "https://assay-systems.com/register/uk/line/construction-work-for-highways-roads/"
      },
      {
        "name": "construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork",
        "url": "https://assay-systems.com/register/uk/line/construction-work-for-pipelines-communication-and-power-lines-for-highways-roads-airfields-and-railways-flatwork/"
      },
      {
        "name": "construction, foundation and surface works for highways, roads",
        "url": "https://assay-systems.com/register/uk/line/construction-foundation-and-surface-works-for-highways-roads/"
      },
      {
        "name": "construction-related services",
        "url": "https://assay-systems.com/register/uk/line/construction-related-services/"
      },
      {
        "name": "data services",
        "url": "https://assay-systems.com/register/uk/line/data-services/"
      },
      {
        "name": "data-processing machines (hardware)",
        "url": "https://assay-systems.com/register/uk/line/data-processing-machines-hardware/"
      },
      {
        "name": "database systems",
        "url": "https://assay-systems.com/register/uk/line/database-systems/"
      },
      {
        "name": "database-management system",
        "url": "https://assay-systems.com/register/uk/line/database-management-system/"
      },
      {
        "name": "development consultancy services",
        "url": "https://assay-systems.com/register/uk/line/development-consultancy-services/"
      },
      {
        "name": "e-learning services",
        "url": "https://assay-systems.com/register/uk/line/e-learning-services/"
      },
      {
        "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",
        "url": "https://assay-systems.com/register/uk/line/electricity/"
      },
      {
        "name": "electricity, heating, solar and nuclear energy",
        "url": "https://assay-systems.com/register/uk/line/electricity-heating-solar-and-nuclear-energy/"
      },
      {
        "name": "energy and related services",
        "url": "https://assay-systems.com/register/uk/line/energy-and-related-services/"
      },
      {
        "name": "engineering services",
        "url": "https://assay-systems.com/register/uk/line/engineering-services/"
      },
      {
        "name": "evaluation consultancy services",
        "url": "https://assay-systems.com/register/uk/line/evaluation-consultancy-services/"
      },
      {
        "name": "financial consultancy services",
        "url": "https://assay-systems.com/register/uk/line/financial-consultancy-services/"
      },
      {
        "name": "furniture",
        "url": "https://assay-systems.com/register/uk/line/furniture/"
      },
      {
        "name": "general management consultancy services",
        "url": "https://assay-systems.com/register/uk/line/general-management-consultancy-services/"
      },
      {
        "name": "hardware",
        "url": "https://assay-systems.com/register/uk/line/hardware/"
      },
      {
        "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": "industrial machinery",
        "url": "https://assay-systems.com/register/uk/line/industrial-machinery/"
      },
      {
        "name": "industry specific software package",
        "url": "https://assay-systems.com/register/uk/line/industry-specific-software-package/"
      },
      {
        "name": "information systems and servers",
        "url": "https://assay-systems.com/register/uk/line/information-systems-and-servers/"
      },
      {
        "name": "information systems or technology strategic review and planning services",
        "url": "https://assay-systems.com/register/uk/line/information-systems-or-technology-strategic-review-and-planning-services/"
      },
      {
        "name": "information technology services",
        "url": "https://assay-systems.com/register/uk/line/information-technology-services/"
      },
      {
        "name": "insurance services",
        "url": "https://assay-systems.com/register/uk/line/insurance-services/"
      },
      {
        "name": "internal audit services",
        "url": "https://assay-systems.com/register/uk/line/internal-audit-services/"
      },
      {
        "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": "it software package",
        "url": "https://assay-systems.com/register/uk/line/it-software-package/"
      },
      {
        "name": "legal services",
        "url": "https://assay-systems.com/register/uk/line/legal-services/"
      },
      {
        "name": "license management software package",
        "url": "https://assay-systems.com/register/uk/line/license-management-software-package/"
      },
      {
        "name": "market research services",
        "url": "https://assay-systems.com/register/uk/line/market-research-services/"
      },
      {
        "name": "mechanical installations",
        "url": "https://assay-systems.com/register/uk/line/mechanical-installations/"
      },
      {
        "name": "medical consumables",
        "url": "https://assay-systems.com/register/uk/line/medical-consumables/"
      },
      {
        "name": "medical equipments",
        "url": "https://assay-systems.com/register/uk/line/medical-equipments/"
      },
      {
        "name": "miscellaneous food products",
        "url": "https://assay-systems.com/register/uk/line/miscellaneous-food-products/"
      },
      {
        "name": "mobile telephones",
        "url": "https://assay-systems.com/register/uk/line/mobile-telephones/"
      },
      {
        "name": "motor vehicles",
        "url": "https://assay-systems.com/register/uk/line/motor-vehicles/"
      },
      {
        "name": "network equipment",
        "url": "https://assay-systems.com/register/uk/line/network-equipment/"
      },
      {
        "name": "network infrastructure",
        "url": "https://assay-systems.com/register/uk/line/network-infrastructure/"
      },
      {
        "name": "networking, internet and intranet software package",
        "url": "https://assay-systems.com/register/uk/line/networking-internet-and-intranet-software-package/"
      },
      {
        "name": "networks",
        "url": "https://assay-systems.com/register/uk/line/networks/"
      },
      {
        "name": "office machinery, equipment and supplies except computers, printers and furniture",
        "url": "https://assay-systems.com/register/uk/line/office-machinery-equipment-and-supplies-except-computers-printers-and-furniture/"
      },
      {
        "name": "parts and accessories for vehicles and their engines",
        "url": "https://assay-systems.com/register/uk/line/parts-and-accessories-for-vehicles-and-their-engines/"
      },
      {
        "name": "passenger cars",
        "url": "https://assay-systems.com/register/uk/line/passenger-cars/"
      },
      {
        "name": "pension services",
        "url": "https://assay-systems.com/register/uk/line/pension-services/"
      },
      {
        "name": "photographic equipment",
        "url": "https://assay-systems.com/register/uk/line/photographic-equipment/"
      },
      {
        "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": "recruitment services",
        "url": "https://assay-systems.com/register/uk/line/recruitment-services/"
      },
      {
        "name": "repair and maintenance services",
        "url": "https://assay-systems.com/register/uk/line/repair-and-maintenance-services/"
      },
      {
        "name": "research and development consultancy services",
        "url": "https://assay-systems.com/register/uk/line/research-and-development-consultancy-services/"
      },
      {
        "name": "research consultancy services",
        "url": "https://assay-systems.com/register/uk/line/research-consultancy-services/"
      },
      {
        "name": "research services",
        "url": "https://assay-systems.com/register/uk/line/research-services/"
      },
      {
        "name": "security, fire-fighting, police and defence equipment",
        "url": "https://assay-systems.com/register/uk/line/security-fire-fighting-police-and-defence-equipment/"
      },
      {
        "name": "software programming and consultancy services",
        "url": "https://assay-systems.com/register/uk/line/software-programming-and-consultancy-services/"
      },
      {
        "name": "software-related services",
        "url": "https://assay-systems.com/register/uk/line/software-related-services/"
      },
      {
        "name": "special clothing and accessories",
        "url": "https://assay-systems.com/register/uk/line/special-clothing-and-accessories/"
      },
      {
        "name": "specialist vehicles",
        "url": "https://assay-systems.com/register/uk/line/specialist-vehicles/"
      },
      {
        "name": "surveillance and security systems and devices",
        "url": "https://assay-systems.com/register/uk/line/surveillance-and-security-systems-and-devices/"
      },
      {
        "name": "survey services",
        "url": "https://assay-systems.com/register/uk/line/survey-services/"
      },
      {
        "name": "systems and technical consultancy services",
        "url": "https://assay-systems.com/register/uk/line/systems-and-technical-consultancy-services/"
      },
      {
        "name": "technical testing, analysis and consultancy services",
        "url": "https://assay-systems.com/register/uk/line/technical-testing-analysis-and-consultancy-services/"
      },
      {
        "name": "training services",
        "url": "https://assay-systems.com/register/uk/line/training-services/"
      },
      {
        "name": "transport services (excl. waste transport)",
        "url": "https://assay-systems.com/register/uk/line/transport-services-excl-waste-transport/"
      },
      {
        "name": "transport systems consultancy services",
        "url": "https://assay-systems.com/register/uk/line/transport-systems-consultancy-services/"
      },
      {
        "name": "vocational training services",
        "url": "https://assay-systems.com/register/uk/line/vocational-training-services/"
      },
      {
        "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": "Aecom",
        "url": "https://assay-systems.com/register/uk/aecom/"
      },
      {
        "name": "Allocate Software",
        "url": "https://assay-systems.com/register/uk/allocate-software/"
      },
      {
        "name": "Avison Young",
        "url": "https://assay-systems.com/register/uk/avison-young/"
      },
      {
        "name": "Axon Public Safety",
        "url": "https://assay-systems.com/register/uk/axon-public-safety/"
      },
      {
        "name": "Beam Up",
        "url": "https://assay-systems.com/register/uk/beam-up/"
      },
      {
        "name": "Bloom Procurement Services",
        "url": "https://assay-systems.com/register/uk/bloom-procurement-services/"
      },
      {
        "name": "British Telecommunications Public",
        "url": "https://assay-systems.com/register/uk/british-telecommunications-public/"
      },
      {
        "name": "CBRE",
        "url": "https://assay-systems.com/register/uk/cbre/"
      },
      {
        "name": "Charles Fellows Supplies",
        "url": "https://assay-systems.com/register/uk/charles-fellows-supplies/"
      },
      {
        "name": "Civica",
        "url": "https://assay-systems.com/register/uk/civica/"
      },
      {
        "name": "Cushman & Wakefield",
        "url": "https://assay-systems.com/register/uk/cushman-wakefield/"
      },
      {
        "name": "Cushman & Wakefield Debenham TIE Leung",
        "url": "https://assay-systems.com/register/uk/cushman-wakefield-debenham-tie-leung/"
      },
      {
        "name": "DFP Services",
        "url": "https://assay-systems.com/register/uk/dfp-services/"
      },
      {
        "name": "DJS Research",
        "url": "https://assay-systems.com/register/uk/djs-research/"
      },
      {
        "name": "ESRI",
        "url": "https://assay-systems.com/register/uk/esri/"
      },
      {
        "name": "FORD Motor",
        "url": "https://assay-systems.com/register/uk/ford-motor/"
      },
      {
        "name": "Granicus-Firmstep",
        "url": "https://assay-systems.com/register/uk/granicus-firmstep/"
      },
      {
        "name": "Hootsuite Inc",
        "url": "https://assay-systems.com/register/uk/hootsuite-inc/"
      },
      {
        "name": "Insight Direct",
        "url": "https://assay-systems.com/register/uk/insight-direct/"
      },
      {
        "name": "Jacobs",
        "url": "https://assay-systems.com/register/uk/jacobs/"
      },
      {
        "name": "Konica Minolta Business Solutions",
        "url": "https://assay-systems.com/register/uk/konica-minolta-business-solutions/"
      },
      {
        "name": "Learning Curve",
        "url": "https://assay-systems.com/register/uk/learning-curve/"
      },
      {
        "name": "Lindum",
        "url": "https://assay-systems.com/register/uk/lindum/"
      },
      {
        "name": "Morgan Sindall Construction and Infrastructure",
        "url": "https://assay-systems.com/register/uk/morgan-sindall-construction-and-infrastructure/"
      },
      {
        "name": "Morris Vermaport",
        "url": "https://assay-systems.com/register/uk/morris-vermaport/"
      },
      {
        "name": "Motorola Solutions",
        "url": "https://assay-systems.com/register/uk/motorola-solutions/"
      },
      {
        "name": "Norse Commercial Services",
        "url": "https://assay-systems.com/register/uk/norse-commercial-services/"
      },
      {
        "name": "Ove Arup & Partners",
        "url": "https://assay-systems.com/register/uk/ove-arup-partners/"
      },
      {
        "name": "Phil Jones Associates",
        "url": "https://assay-systems.com/register/uk/phil-jones-associates/"
      },
      {
        "name": "Phoenix Software",
        "url": "https://assay-systems.com/register/uk/phoenix-software/"
      },
      {
        "name": "Proactive",
        "url": "https://assay-systems.com/register/uk/proactive/"
      },
      {
        "name": "Quadient",
        "url": "https://assay-systems.com/register/uk/quadient/"
      },
      {
        "name": "Reed Talent Solutions",
        "url": "https://assay-systems.com/register/uk/reed-talent-solutions/"
      },
      {
        "name": "Reveal Media",
        "url": "https://assay-systems.com/register/uk/reveal-media/"
      },
      {
        "name": "Rider levett Bucknall",
        "url": "https://assay-systems.com/register/uk/rider-levett-bucknall/"
      },
      {
        "name": "Softcat",
        "url": "https://assay-systems.com/register/uk/softcat/"
      },
      {
        "name": "Systra",
        "url": "https://assay-systems.com/register/uk/systra/"
      },
      {
        "name": "Toyota",
        "url": "https://assay-systems.com/register/uk/toyota/"
      },
      {
        "name": "UBDS IT Consulting",
        "url": "https://assay-systems.com/register/uk/ubds-it-consulting/"
      },
      {
        "name": "Vauxhall Motors",
        "url": "https://assay-systems.com/register/uk/vauxhall-motors/"
      },
      {
        "name": "Virgin Media Business",
        "url": "https://assay-systems.com/register/uk/virgin-media-business/"
      },
      {
        "name": "Vodafone",
        "url": "https://assay-systems.com/register/uk/vodafone/"
      },
      {
        "name": "Volkswagen Group United Kingdom",
        "url": "https://assay-systems.com/register/uk/volkswagen-group-united-kingdom/"
      },
      {
        "name": "Waterman Infrastructure & Environment",
        "url": "https://assay-systems.com/register/uk/waterman-infrastructure-environment/"
      },
      {
        "name": "Wavehill",
        "url": "https://assay-systems.com/register/uk/wavehill/"
      },
      {
        "name": "Willmott Dixon Construction",
        "url": "https://assay-systems.com/register/uk/willmott-dixon-construction/"
      }
    ],
    "assay_record": "ASY-UK-0WO1ZLI0GV",
    "cite_as": "Assay Systems, \"West Yorkshire Combined Authority : suppliers in the Contracts Finder register\", https://assay-systems.com/register/uk/buyer/west-yorkshire-combined-authority/"
  }
}