Operating systems

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1,807 Operating systems notices found

Awarded contract
Rail Operating system and Software support
GA TRAINS LIMITEDSupplier(s) Worldline IT Services UK LimitedGBP 2,014,593Awarded 26 September 2025Expiring 12 October 2028IT services: consulting, software development, Internet and support
Awarded contract
SUSSEX COVID-19 Treatment for Highest Risk non- Hospitalised Patients COVID 19 (NMABS) Incorporating Outbreak Response Service
NHS Sussex Integrated Care BoardSupplier(s) Alliance for Better Care (ABC) FederationGBP 396,396Awarded 17 September 2025Medical practice and related services
Expired contract
PS25128: UKSAC25_0044 - Inter-Agency Space Debris Coordination Committee (IADC) 2025-26 Studies
UKSA
Supplier(s)
7 suppliers
Brunel university of London
DIGANTARA RESEARCH AND TECHNOLOGIES PRIVATE LIMITED
SPACE PROFESSIONALS PARTNERSHIP LIMITED
SPACEROC LTD
The Aerospace Corporation UK Ltd
University of Birmingham
University of Strathclyde
394,919.81Awarded 15 September 2025Expiring 31 March 2026Research and development consultancy services
Closed tenderPublished 16 September 2025
Wessex Learning Trust - Provision of Human Resources Information System
PHP Law LLPClosing 23 October 2025Time accounting or human resources software package
Awarded contract
Broadcast Graphics Operating System Migration
Met OfficeSupplier(s) Mobilise Cloud Services LtdGBP 569,820.88Awarded 1 September 2025Expiring 30 August 2028IT services: consulting, software development, Internet and support
Awarded contract
Police Primary Carbine System Framework
Metropolitan Police Service
Supplier(s)
7 suppliers
ANARTES LIMITED
Edgar Brothers
FNH UK Limited
GMK LTD
HIGHLAND DEFENCE LIMITED
Level Peaks Associates Ltd
Viking Arms Ltd
GBP 178,463,360Awarded 26 August 2025Light firearms
Awarded contract
Enterprise Asset Management (EAM) System
MerseytravelSupplier(s) IFS Ultimo LimitedGBP 1,512,680Awarded 2 September 2025Expiring 21 September 2029Software package and information systems
Stale Pre-tenderPublished 5 September 2025
Digital Health Partner for MSK Service Pilot (YSTH)
York and Scarborough Teaching Hospitals NHS Foundation TrustGBP 37,500Physiotherapy services
Stale Pre-tenderPublished 5 September 2025
DDaT25381 - 3D Visualisation Facility LED upgrade
UK Research & InnovationGBP 220,000Closing 12 September 2025IT services: consulting, software development, Internet and support
Awarded contract
Traffic Management Planning Automation Software
UK Power Networks (Operations) LtdSupplier(s) 1Spatial Group LtdGBP 1,000,000Awarded 4 September 2025Expiring 14 September 2026Industry specific software package
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Awarded contract
NMS Software Licence Purchase and Support Renewal
NORTHERN IRELAND ELECTRICITY NETWORKS LIMITEDSupplier(s) ORACLE CORPORATION UK LIMITEDGBP 1,357,000Awarded 2 September 2025Expiring 30 September 2028License management software development services
Closed tenderPublished 27 August 2025
Secure Cycle Parking ITT
Worcester City CouncilGBP 40,000Closing 3 October 2025Parts and accessories for bicycles
Closed tenderPublished 27 August 2025
Secure Cycle Parking ITT
Worcester City CouncilGBP 277,100Closing 3 October 2025Billing system
Expired contract
Contract Award Notice: THMS-AOMR-Teddington Barge Lock
Environment AgencySupplier(s) Fairfield Control Systems LtdGBP 338,624Awarded 14 August 2025Expiring 8 January 2026Civil engineering consultancy services
Closed tenderPublished 19 August 2025
Design Systems Intrgation Partner (DSIP)
Ministry of DefenceGBP 180,000,000Closing 18 August 2025Data services
Stale Pre-tenderPublished 14 August 2025
Community Pharmacy IT Pre-Qualification Questionnaire 2025
NHS EnglandGBP 16,800,000Closing 8 December 2025Data services
Awarded contract
Terminology Server
HSC Business Services OrganisationSupplier(s) DH OpCo UK Ltd (Dedalus)GBP 780,000Awarded 14 August 2025Expiring 1 February 2029IT services: consulting, software development, Internet and support
Awarded contract
www.phoenixenergyni.com
PHOENIX ENERGY GROUP LTD750,000Awarded 4 August 2025Project management consultancy services
Awarded contract
CEFAS25-78 Contract for the supply of a multi-channel CTD logger
Centre for Environment, Fisheries and Aquaculture ScienceSupplier(s) RS Aqua LtdAwarded 12 August 2025Expiring 30 November 2026Analysis apparatus
Closed tenderPublished 7 August 2025
Assistive Technology, Alarms and Peripherals
Nottingham City CouncilGBP 1,400,000Closing 3 September 2025Maintenance and repair of information technology equipment

Top buyers

Buyers ranked by total contract award volume for operating systems.

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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

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