Operating systems

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1,807 Operating systems notices found

Awarded contract
GCC006191CPU – The Provision of Compute and Storage Services
Glasgow City CouncilSupplier(s) DataVita LimitedGBP 44,932,948.31Awarded 8 October 2025IT services: consulting, software development, Internet and support
Closed tenderPublished 31 October 2025
Dog Warden Services
Peterborough City CouncilClosing 1 December 2025Dog kennel services
Stale Pre-tenderPublished 31 October 2025
DDaT25380 - UKRI - BGS Web Application Firewall (WAF)
UK Research & InnovationGBP 800,000Closing 7 November 2025Software package and information systems
Closed tenderPublished 31 October 2025
Dog Warden Services
Peterborough City CouncilGBP 325,000Closing 1 December 2025Other services
Closed tenderPublished 31 October 2025
Road User Charging (RUC) - Detection & Enforcement Infrastructure (D&EI) Services
Transport for LondonGBP 586,000,000Closing 19 December 2025Closed circuit television services
Closed tenderPublished 28 October 2025
PROC-24-2482 Forensic Services Core Operating System (COS)
Scottish Police AuthorityClosing 27 November 2025Software supply services
Expired contract
GK200 Graykey Examinations
Department For Work and Pensions (DWP)Supplier(s) Magnet Forensics LLCGBP 37,709Awarded 27 October 2025Expiring 27 November 2025Staff training services
Expired contract
Cylc Tranche 3
Met OfficeSupplier(s) National Institute of Water and Atmospheric ResearchAwarded 24 October 2025Expiring 31 March 2026Design and execution of research and development
Awarded contract
ICT Framework
The Police, Fire and Crime Commissioner for Northamptonshire
Supplier(s)
27 suppliers
Accenture (UK) Limited
Actica Consulting Limited
Apira Ltd
Asset Lifecycle Solutions
ASTRALIS TECHNOLOGY LIMITED
Baringa Partners LLP
BEARINGPOINT LIMITED
Boxxe Limited
CCL-Forensics Ltd
CDW Ltd
Chorus Intelligence Ltd
Deloitte LLP
EVISA SOLUTIONS LTD TRADING AS MALIKSHAW
Gooding and Co Ltd T/A Data Privacy Advisory Service
I2 Group Ltd
Insight Direct (UK) Ltd
Issured Limited
Micro Systemation Limited
Oleeo Ltd
Olive Jar Digital Limited
PARICO LIMITED
Phoenix Software Limited
SATIGO Ltd
Softcat PLC
Specialist Computer Centres PLC
The Knowledge Academy Ltd
XMA LIMITED
GBP 352,000,000,000Awarded 21 July 2025Industry specific software package
Awarded contract
Assistive Technology, Alarms and Peripherals
Nottingham City CouncilSupplier(s) CAREIUM UK LIMITEDGBP 1,400,000Awarded 17 October 2025Expiring 2 November 2029Alarm systems
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Awarded contract
Windows 11 Remote Support Tool
South Yorkshire PoliceSupplier(s) Phoenix Software LimitedGBP 105,201.27Awarded 20 October 2025Expiring 19 October 2028Software package and information systems
Awarded contract
Enterprise resource planning (ERP) implementation and support partner
Nottinghamshire County CouncilSupplier(s) CGI IT UK LtdGBP 7,385,364.49Awarded 6 October 2025Expiring 5 October 2030IT services: consulting, software development, Internet and support
Awarded contract
CEFAS25-84 Contract for the Supply of an imaging particle analyser
Centre for Environment, Fisheries and Aquaculture ScienceSupplier(s) Planet Ocean LimitedGBP 94,994.8Awarded 13 October 2025Expiring 26 February 2027Laboratory, optical and precision equipments (excl. glasses)
Awarded contract
DDaT25434 - Specific Operating System upgrade
UK Research & InnovationSupplier(s) Laser Components (UK) LtdGBP 12,457Awarded 7 October 2025Expiring 2 October 2026Software package and information systems
Awarded contract
715285450 - Finance and Commercial Systems Hardware Maintenance - CAN
Ministry of DefenceSupplier(s) Celerity LtdGBP 992,903Awarded 15 September 2025Expiring 14 September 2027Miscellaneous repair and maintenance services
Awarded contract
Software, Hardware & Associated Services Reseller
Accent Housing LtdSupplier(s) Ultima Business Solutions LtdGBP 0.01Awarded 11 July 2025Expiring 10 July 2029Software-related services
Awarded contract
Apple Equipment & Associated Services
North Western Universities Purchasing ConsortiumAwarded 30 September 2025Portable computers
Awarded contract
Apple Equipment & Associated Services
North Western Universities Purchasing Consortium
Supplier(s)
4 suppliers
Academia Ltd
GBM
KRCS Group Ltd
XMA LIMITED
GBP 200,000,000Awarded 16 September 2025Repair services of personal computers
Awarded contract
DDaT25412 - Specific Operating System upgrade
UK Research & InnovationSupplier(s) LEICA MICROSYSTEMS (UK) LIMITEDAwarded 26 September 2025Expiring 26 September 2026Software package and information systems
Awarded contract
GIS Mapping Solution - CPA/SPU/2712P
Police and Crime Commissioner for CheshireSupplier(s) Innaxys LtdGBP 410,000Awarded 25 September 2025Expiring 30 November 2030Software maintenance and repair services

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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