Operating systems
Find operating systems opportunities in seconds below. Search through thousands of operating systems notices and upcoming contracts. Bookmark the tender and start your bid/no-bid decision.
1,807 results matching, operating systems
- Stale Pre-tenderPublished 9 March 2026
RFI - TRAIN OPERATIONS OPTIMISATION AND PERFORMANCE MANAGEMENT SUITE
Value not stated
- Closed tenderPublished 9 March 2026
Occupational maps-RM1043.8-1-Department For Education-closed
£632,800
- Stale Pre-tenderPublished 27 February 2026
Replacement of Alarm Receiving Centre Platform supporting Herts Careline Service
Value not stated
- Awarded contractPublished 20 February 2026
SPPD-Monday.com Licences
£72,072
- Awarded contractPublished 17 February 2026
Centurion Software
£75,554.48
- Closed tenderPublished 10 February 2026
Pre-Market Engagement for SmartPhones & Tablet devices
Value not stated
- Awarded contractPublished 9 February 2026
Provision of UK Focussed Market Reports
£63,515.4
- Closed tenderPublished 5 February 2026
SD WAN NETWORK Upgrade
£100,000
- Expired contractPublished 4 February 2026
PE3 Blue Light Innovation
£450,000
- Closed tenderPublished 2 February 2026
Supply of a Deployable Friction Tester
£90,000
- Awarded contractPublished 2 February 2026
CEFAS25-135 Benchtop carbon analyser.
£67,352.77
- Awarded contractPublished 29 January 2026
Ivanti Endpoint Management Maintenance
Value not stated
- Closed tenderPublished 27 January 2026
T26-020ENV Tender for the Design, Supply, Installation and Integration of Solar Photovoltaic and Battery Energy Storage for 2 Council Depots
Value not stated
- Closed tenderPublished 27 January 2026
T26-020ENV Tender for the Design, Supply, Installation and Integration of Solar Photovoltaic and Battery Energy Storage for 2 Council Depots
£240,000
- Closed tenderPublished 26 January 2026
VantageRE - ICT & Telephony Tender
£450,000
- Expired contractPublished 19 January 2026
GK200 Graykey Examinations
Value not stated
- Closed tenderPublished 16 January 2026
Technology Services Partner Framework (TSPF)
£280,000,000
- Awarded contractPublished 15 January 2026
Mobile Hardware Device Refresh and provision of related Services.
£1,615,553
- Expired contractPublished 9 January 2026
Specialists in IT support and operating systems which they wrote for Haven Bridge S537931
Value not stated
- Expired contractPublished 8 January 2026
Microsoft Windows 10 Support
£171,906
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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