Operating systems
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1,807 results matching, operating systems
- Awarded contractPublished 31 October 2025
GCC006191CPU – The Provision of Compute and Storage Services
£44,932,948.31
- Closed tenderPublished 31 October 2025
Dog Warden Services
Value not stated
- Stale Pre-tenderPublished 31 October 2025
DDaT25380 - UKRI - BGS Web Application Firewall (WAF)
£800,000
- Closed tenderPublished 31 October 2025
Dog Warden Services
£325,000
- Closed tenderPublished 31 October 2025
Road User Charging (RUC) - Detection & Enforcement Infrastructure (D&EI) Services
£586,000,000
- Closed tenderPublished 28 October 2025
PROC-24-2482 Forensic Services Core Operating System (COS)
Value not stated
- Expired contractPublished 27 October 2025
GK200 Graykey Examinations
£37,709
- Expired contractPublished 24 October 2025
Cylc Tranche 3
Value not stated
- Awarded contractPublished 20 October 2025
ICT Framework
£352,000,000,000
- Awarded contractPublished 17 October 2025
Assistive Technology, Alarms and Peripherals
£1,400,000
- Awarded contractPublished 15 October 2025
Windows 11 Remote Support Tool
£105,201.27
- Awarded contractPublished 15 October 2025
Enterprise resource planning (ERP) implementation and support partner
£7,385,364.49
- Awarded contractPublished 13 October 2025
CEFAS25-84 Contract for the Supply of an imaging particle analyser
£94,994.8
- Expired contractPublished 7 October 2025
DDaT25434 - Specific Operating System upgrade
£12,457
- Awarded contractPublished 3 October 2025
715285450 - Finance and Commercial Systems Hardware Maintenance - CAN
£992,903
- Awarded contractPublished 3 October 2025
Software, Hardware & Associated Services Reseller
£0.01
- Awarded contractPublished 30 September 2025
Apple Equipment & Associated Services
Value not stated
- Awarded contractPublished 30 September 2025
T25/0037 - Apple Equipment and Associated Services
£840,000
- Expired contractPublished 26 September 2025
DDaT25412 - Specific Operating System upgrade
Value not stated
- Awarded contractPublished 26 September 2025
GIS Mapping Solution - CPA/SPU/2712P
£410,000
Top buyers
Buyers ranked by total contract award volume for operating systems.
BuyersCountValue
- 112£1.0bn
- 53£6.3m
- Her Majesty’s Passport Office (HMPO)33£12.4m
- 28£209.3m
- 26£2.4bn
- HM Prison And Probation Service (HMPPS)24£0.0
- 20£4.5bn
- 19£6.9m
- 19£545.1m
- 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.
SuppliersCountValue
- 26£14.5bn
- 24£14.4bn
- 22£14.8bn
- 22£13.3bn
- 16£276.3m
- 15£14.3bn
- 14£14.5bn
- 10£1.3bn
- 10£192.0m
- 10£1.4bn
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