Operating systems

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1,807 Operating systems notices found

Awarded contract
AGREEMENT FOR THE HOSTING, MAINTENANCE AND ONGOING SUPPORT FOR THE STATE OF THE REGION DATA PORTAL
Cambridgeshire and Peterborough Combined AuthoritySupplier(s) CITY SCIENCE CORPORATION LIMITEDGBP 48,792Awarded 16 June 2025Expiring 31 March 2027Software programming and consultancy services
Closed tenderPublished 16 June 2025
FW Services - Operational Technology Framework - Extended Deadline to 20/06
Scottish Hydro Electric Power Distribution plcGBP 240,000,000Closing 20 June 2025IT services: consulting, software development, Internet and support
Expired contract
CA14573 - Tender 13/2024 - Inspection, Servicing & Maintenance of Council Lifts at Newry, Mourne and Down District Council Facilities
Newry Mourne and Down District CouncilSupplier(s) KONE (NI) Ltd130,000Awarded 8 October 2024Expiring 8 September 2025Lift-maintenance services
Closed tenderPublished 11 June 2025
FW Services - Operational Technology Framework - Extended Deadline
Scottish Hydro Electric Power Distribution plcGBP 240,000,000Closing 16 June 2025IT services: consulting, software development, Internet and support
Expired contract
CEFAS25-55 Contract for the supply of a Precision Cutting Machine
Centre for Environment, Fisheries and Aquaculture ScienceSupplier(s) Metprep LtdGBP 29,684Awarded 10 June 2025Expiring 1 June 2026Laboratory, optical and precision equipments (excl. glasses)
Awarded contract
SBC0125 Provision of Security and Surveillance Equipment and Services via ESPO Framework Agreement 628_23 Security and Surveilance Equipment and Services
Stevenage Borough CouncilSupplier(s) Taylor Woodrow Infrastructure LtdGBP 855,552.4Awarded 1 June 2025Expiring 31 May 2030Closed circuit television services
Stale Pre-tenderPublished 4 June 2025
Request for Information (RFI) For Application/Container Platforms Virtualisation Platforms
Office of the Revenue CommissionersInformation systems and servers
Awarded contract
BCU-OJEU-57360 - Maintenance Contract For Air Conditioning and Refrigeration Plant for BCUHB at the Maelor, Deeside, Mold, Chrik, Deeside and Penley Hospital Including other Community Property's
NHS Wales - Shared Services PartnershipSupplier(s) EFFECTIVE AIR SOLUTIONS LIMITEDGBP 300,000Awarded 10 March 2025Repair and maintenance services of building installations
Expired contract
Intelligence Driven Offender Integrated Offender Management (IDIOM)
Home OfficeSupplier(s) Vodafone LtdGBP 368,503.55Awarded 27 June 2025Expiring 26 June 2026Systems support services
Awarded contract
Extension - Maintenance, Support, and Decommissioning of Legacy HRA Research System
Health Research Authority (HRA)Supplier(s) BGO SOFTWARE OODGBP 1,600,000Awarded 1 May 2025IT services: consulting, software development, Internet and support
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Closed tenderPublished 30 May 2025
GCC006191CPU – The Provision of Compute and Storage Services
Glasgow City CouncilClosing 10 July 2025Computer equipment and supplies
Closed tenderPublished 29 May 2025
Media and Creative Services
Crown Commercial ServiceGBP 1,950,000,000Closing 28 July 2025Accounting, auditing and fiscal services
Stale Pre-tenderPublished 28 May 2025
WBS Haematology Analyser
Velindre University NHS TrustClosing 13 June 2025Haematology analysers
Stale Pre-tenderPublished 27 May 2025
PS25128: UKSAC25_0044 - Inter-Agency Space Debris Coordination Committee (IADC) 2025-26 Studies
UKSAGBP 500,000Research and development services and related consultancy services
Awarded contract
CPG/12336/2025 - SSJ - Provision of Maintenance of the Security Barriers/Gates for the British Embassy in Washington
Foreign, Commonwealth and Development OfficeSupplier(s) COVA SECURITY GATES LIMITEDAwarded 27 May 2025Expiring 19 May 2027Facilities management services
Stale Pre-tenderPublished 27 May 2025
Bring Your Own Device for Desktop Operating Systems
Historic Environment ScotlandIT services: consulting, software development, Internet and support
Stale Pre-tenderPublished 27 May 2025
Bring Your Own Device for Desktop Operating Systems
Historic Environment ScotlandIT services: consulting, software development, Internet and support
Awarded contract
Driver Advisory Systems Across Northern Train's Fleets
Northern Trains LtdSupplier(s) TTG TECHNOLOGY (EUROPE) LIMITEDGBP 2,097,256Awarded 23 May 2025Expiring 31 March 2027Support services for railway transport
Stale Pre-tenderPublished 23 May 2025
Design Systems Intrgation Partner (DSIP)
Ministry of DefenceGBP 180,000,000Data services
Awarded contract
VM Ware and Professional Services (TRFT)
The Rotherham NHS Foundation TrustSupplier(s) Softcat PLCGBP 147,834.34Awarded 30 April 2025Expiring 29 April 2028System, storage and content management software package

Top buyers

Buyers ranked by total contract award volume for operating systems.

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BuyersCountValue

Ministry of Defence
112
£1.0bn
Driver and Vehicle Licensing Agency
53
£6.3m
Her Majesty’s Passport Office (HMPO)
33
£12.4m
Home Office
28
£209.3m
National Highways Limited
26
£2.4bn
HM Prison And Probation Service (HMPPS)
24
£0.0
Transport for London
20
£4.5bn
London Fire Brigade
19
£6.9m
Department for Transport (DFT)
19
£545.1m
HM Revenue & Customs (HMRC)
19
£228.4m

Trend over time

Notice volume for operating systems published over time.

Top suppliers

Suppliers ranked by total contract award volume for operating systems.

View all suppliers

SuppliersCountValue

Softcat PLC
26
£14.5bn
Insight Direct (UK) Ltd
24
£14.4bn
XMA LIMITED
22
£14.8bn
Phoenix Software Limited
22
£13.3bn
Academia Ltd
16
£276.3m
Specialist Computer Centres PLC
15
£14.3bn
CDW Ltd
14
£14.5bn
COMPUTACENTER (UK) LIMITED
10
£1.3bn
BYTES SOFTWARE SERVICES LIMITED
10
£192.0m
Trustmarque Solutions Ltd
10
£1.4bn

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