Operating systems
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1,807 results matching, operating systems
- Awarded contractPublished 5 January 2026
Wessex Learning Trust - Provision of Human Resources Information System
£1,000,000
- Awarded contractPublished 22 December 2025
Windows 11 Transition Support
£50,000
- Awarded contractPublished 19 December 2025
FW Services - Operational Technology Framework
3,600,000,000
- Closed tenderPublished 16 December 2025
Supply of an Energy Dispersive Spectroscopy (EDS) detector for a Jeol 7800F FEG-SEM
Value not stated
- Stale Pre-tenderPublished 12 December 2025
Pj HARMOS (AI Tooling for a Health Assessment and Risk Management Operational System)
£700,000
- Awarded contractPublished 8 December 2025
Media and Creative Services
£1,970,000,000
- Closed tenderPublished 5 December 2025
Network - Onboard Wi-Fi, Mobile Connectivity and Station Wi-Fi
£12,250,000
- Awarded contractPublished 5 December 2025
Intention to Directly Award a Contract for Cloud-Based Maintenance, Scheduling, Compliance and Asset Management Software
£5,500,000
- Closed tenderPublished 29 November 2025
715727479 - Provision of Storage Filers hardware and technical support
Value not stated
- Awarded contractPublished 28 November 2025
NCC1423- The Replacement of on Premises Hardware on which Oracle Software is Hosted
£101,400.72
- Stale Pre-tenderPublished 28 November 2025
RM6098 - Storage Filers
£750,000
- Awarded contractPublished 28 November 2025
Secure Cycle Parking ITT
£32,580
- Closed tenderPublished 27 November 2025
Data Centre (DC) Managed Service
Value not stated
- Awarded contractPublished 25 November 2025
Upgrade of Norplan shelving system
£167,727
- 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
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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