Operating systems tenders and contracts
Search operating systems notices across UK procurement portals. Filter by buyer, value and deadline, and set an alert for new opportunities.
1,873 results matching, operating systems
- Stale Pre-tenderPublished 24 November 2025
Student Loans Company requirement for IBM Power and Storage
£2,500,000
- Awarded contractPublished 17 November 2025
Central Line and Victoria Line - Cab Simulator Upgrades
£450,000
- Awarded contractPublished 14 November 2025
Enterprise-Grade Integrated Cyber Security Solution
£395,406.17
- Awarded contractPublished 14 November 2025
Red Hat Licences and Support
£71,115.84
- Closed tenderPublished 11 November 2025
Community Pharmacy IT Pre-Qualification Questionnaire
Value not stated
- Expired contractPublished 4 November 2025
ITSO Standards Update Contract - Cubic
£2,189,427
- 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 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
Top buyers
The buyers publishing the most operating systems notices, and what those contracts are worth.
BuyersCountValue
- 112£1.0bn
- 53£6.3m
- 33£12.4m
- 30£392.8m
- 27£2.5bn
- 24£0.0
- 22£4.7bn
- 20£820.2k
- 19£6.9m
- 19£545.1m
Trend over time
Notice volume for operating systems searches published over time.
Top suppliers
Suppliers who have won the most operating systems contracts, and what those awards were worth.
SuppliersCountValue
- 27£14.5bn
- 25£14.4bn
- 24£13.3bn
- 21£14.7bn
- 15£226.3m
- 15£14.3bn
- 14£14.5bn
- 10£1.3bn
- 10£192.0m
- 10£1.4bn
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