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
- Awarded contractPublished 27 April 2026
R6112 Microsoft Enterprise Agreement
£11,553,729
- Stale Pre-tenderPublished 23 April 2026
Provision of a fully supported ERP system
£3,000,000
- Stale Pre-tenderPublished 23 April 2026
Provision of a fully supported Student Management System
£3,000,000
- Expired contractPublished 20 April 2026
Laptops for Children
£37,959
- Stale Pre-tenderPublished 17 April 2026
SBC1026 For the Provision of CCTV Operatives
£2,500,000
- Awarded contractPublished 13 April 2026
Oracle support and maintenance renewal 26 27
£81,635.73
- Awarded contractPublished 13 April 2026
Perpetual Licences
£112,219
- Closed tenderPublished 7 April 2026
Hooks Close Lechlade Treatment Plant 2026
Value not stated
- Awarded contractPublished 2 April 2026
Provision of Interim Enterprise Server Infrastructure (1-3 Year Horizon)
£77,224.2
- Awarded contractPublished 1 April 2026
Marine Simulator Relocation, Equipment and Upgrades
£2,401,053
- Awarded contractPublished 1 April 2026
VMWare Support Service 2026-2029
£81,759
- Awarded contractPublished 31 March 2026
HH256-25-SP Managed Service for Imprivata (SVAR)
£68,601.32
- Awarded contractPublished 31 March 2026
WGCD IT Products and Services Agreement (iii)
£200,000,000
- Expired contractPublished 30 March 2026
Design Systems Intrgation Partner (DSIP)
£4,268,000
- Expired contractPublished 26 March 2026
Temporary Accommodation - Property Management Direct Award
£1,889,730
- Awarded contractPublished 25 March 2026
Legacy Keystone Application Isolation Asset Management
£21,450
- Stale Pre-tenderPublished 23 March 2026
Provision of a Resilient Secondary Internet Connectivity Service
£144,000
- Awarded contractPublished 23 March 2026
BSIP Funded Early Morning and Weekend Late Evening Bus Services on Routes 1, 2, 3, 7 and 8
£236,482.32
- Awarded contractPublished 20 March 2026
CEFAS25-47 – Contract for a Database-Driven Smartphone App for Pitcairn Visitor Engagement
£56,188.6
- Stale Pre-tenderPublished 19 March 2026
Mobile Threat Detection
Value not stated
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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