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 Operating systems notices found

Stale Pre-tenderPublished 9 March 2026
RFI - TRAIN OPERATIONS OPTIMISATION AND PERFORMANCE MANAGEMENT SUITE
Great Western Rail (FirstGroup)Closing 20 March 2026Industry specific software package
Closed tenderPublished 9 March 2026
Occupational maps-RM1043.8-1-Department For Education-closed
Department for EducationGBP 632,800Closing 20 March 2026
Stale Pre-tenderPublished 27 February 2026
Replacement of Alarm Receiving Centre Platform supporting Herts Careline Service
North Hertfordshire District CouncilClosing 13 April 2026Alarm-monitoring services
Awarded contract
SPPD-Monday.com Licences
Scottish GovernmentSupplier(s) Softcat PLCGBP 72,072Awarded 20 February 2026Network management software services
Awarded contract
Centurion Software
City of London CorporationSupplier(s) Force Information System LimidGBP 75,554.48Awarded 16 February 2026Expiring 15 February 2029Software package and information systems
Closed tenderPublished 10 February 2026
Pre-Market Engagement for SmartPhones & Tablet devices
Leicestershire County CouncilClosing 24 February 2026Office and computing machinery, equipment and supplies except furniture and software packages
Awarded contract
Provision of UK Focussed Market Reports
Crown Commercial ServiceSupplier(s) IBISWorld LtdGBP 63,515.4Awarded 25 February 2026Expiring 24 February 2028IT software package
Closed tenderPublished 5 February 2026
SD WAN NETWORK Upgrade
Lycee Francais Charles de GaulleGBP 100,000Closing 27 February 2026Networks
Expired contract
PE3 Blue Light Innovation
UK Power Networks (Operations) LtdSupplier(s) Dotted Eyes Solutions LimitedGBP 450,000Awarded 4 February 2026Expiring 23 July 2026IT services: consulting, software development, Internet and support
Closed tenderPublished 2 February 2026
Supply of a Deployable Friction Tester
UNITE PROCUREMENT UK LIMITEDGBP 90,000Closing 23 February 2026Traffic-monitoring equipment
Never miss a tender
Get new Operating systems opportunities delivered to your inbox.
Set up alerts Save this search
Awarded contract
CEFAS25-135 Benchtop carbon analyser.
Centre for Environment, Fisheries and Aquaculture ScienceSupplier(s) Elementar UK LtdGBP 67,352.77Awarded 30 January 2026Expiring 31 March 2027Gas-analysis apparatus
Awarded contract
Ivanti Endpoint Management Maintenance
Office of the Durham Police and Crime CommissionerSupplier(s) Boxxe LimitedAwarded 29 January 2026Expiring 29 January 2027Information systems and servers
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
Derry City & Strabane District CouncilClosing 20 February 2026Solar photovoltaic modules
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
Derry City & Strabane District CouncilGBP 240,000Closing 20 February 2026Installation of cable infrastructure
Closed tenderPublished 26 January 2026
VantageRE - ICT & Telephony Tender
Vantage RE LimitedGBP 450,000Closing 5 February 2026IT services: consulting, software development, Internet and support
Expired contract
GK200 Graykey Examinations
Department For Work and Pensions (DWP)Supplier(s) Magnet Forensics LLCAwarded 19 January 2026Expiring 19 February 2026Staff training services
Closed tenderPublished 16 January 2026
Technology Services Partner Framework (TSPF)
Southern Water Services LtdGBP 280,000,000Closing 17 November 2025IT services: consulting, software development, Internet and support
Awarded contract
Mobile Hardware Device Refresh and provision of related Services.
XC TRAINS LIMITEDSupplier(s) TECHNOLOGY RECOVERY GROUP UK LIMITEDGBP 1,615,553Awarded 21 October 2025Mobile telephones
Expired contract
Specialists in IT support and operating systems which they wrote for Haven Bridge S537931
Norfolk County CouncilSupplier(s) Industrial Automation and Control LimitedAwarded 9 January 2026Expiring 31 March 2026Software package and information systems
Awarded contract
Microsoft Windows 10 Support
4 buyers
South Yorkshire Police
The Police and Crime Commissioner for West Yorkshire
West Yorkshire Combined Authority
West Yorkshire Police
Supplier(s) Phoenix Software LimitedGBP 171,906Awarded 14 October 2025Expiring 13 October 2026IT services: consulting, software development, Internet and support

Top buyers

Buyers ranked by total contract award volume for operating systems.

View all buyers

BuyersCountValue

Ministry of Defence
112
£1.0bn
Driver and Vehicle Licensing Agency
53
£6.3m
Her Majesty’s Passport Office (HMPO)
33
£12.4m
Home Office
28
£209.3m
National Highways Limited
26
£2.4bn
HM Prison And Probation Service (HMPPS)
24
£0.0
Transport for London
20
£4.5bn
London Fire Brigade
19
£6.9m
Department for Transport (DFT)
19
£545.1m
HM Revenue & Customs (HMRC)
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.

View all suppliers

SuppliersCountValue

Softcat PLC
26
£14.5bn
Insight Direct (UK) Ltd
24
£14.4bn
XMA LIMITED
22
£14.8bn
Phoenix Software Limited
22
£13.3bn
Academia Ltd
16
£276.3m
Specialist Computer Centres PLC
15
£14.3bn
CDW Ltd
14
£14.5bn
COMPUTACENTER (UK) LIMITED
10
£1.3bn
BYTES SOFTWARE SERVICES LIMITED
10
£192.0m
Trustmarque Solutions Ltd
10
£1.4bn

Win more operating systems contracts with Stotles

Get operating systems alerts, buyer intelligence and bid tools — all in one place.

Try for free