Operating systems

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1,807 Operating systems notices found

Awarded contract
IT services: consulting, software development, Internet and support
City of London CorporationIT services: consulting, software development, Internet and support
Closed tenderPublished 27 December 2017
Core Data Platform Environments Consultancy
UK Hydrographic OfficeGBP/day 650Closing 10 January 2018
Closed tenderPublished 27 December 2017
Core Data Platform Environments Consultancy
UK Hydrographic OfficeGBP/day 650Closing 10 January 2018
Closed tenderPublished 20 December 2017
GB-EDINBURGH: REFURBISHMENT & UPGRADE OF THE MULL OF GALLOWAY LIGHTHOUSE
Northern Lighthouse BoardGBP 300,000Closing 10 January 2018Electrical installation work
Expired contract
Red Hat Licence Subscription Renewal 2017
Transport for LondonSupplier(s) COMPUTACENTER (UK) LIMITEDGBP 832,797Awarded 29 November 2017Expiring 31 March 2021Software package and information systems
Stale Pre-tenderPublished 15 December 2017
Construction work
National Highways LimitedMarine equipment
Closed tenderPublished 12 December 2017
PS/17/259 Domain Driven Developer Requirement 3
Driver and Vehicle Licensing AgencyGBP/day 750Closing 19 December 2017
Closed tenderPublished 12 December 2017
Core Data Platform Environments Consultancy
UK Hydrographic OfficeClosing 19 December 2017
Closed tenderPublished 12 December 2017
Core Data Platform Environments Consultancy
UK Hydrographic OfficeClosing 19 December 2017
Closed tenderPublished 12 December 2017
PS/17/258 Domain Driven Design Development Requirement 2
Driver and Vehicle Licensing AgencyGBP/day 750Closing 19 December 2017
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Closed tenderPublished 12 December 2017
PS/17/257 Domain Driven Development Requirement 1
Driver and Vehicle Licensing AgencyGBP/day 750Closing 19 December 2017
Closed tenderPublished 12 December 2017
PS/17/259 Domain Driven Developer Requirement 3
Driver and Vehicle Licensing AgencyGBP/day 750Closing 19 December 2017
Awarded contract
WP1489 Investigating Threats to Identity
Government Digital ServiceSupplier(s) EP 90 GROUP LTDGBP 60,000Awarded 4 December 2017
Closed tenderPublished 1 December 2017
Postal and telecommunications services
Derby City CouncilGBP 1,754,800Closing 1 January 2018Repair and maintenance services of line telephony equipment
Expired contract
IT services: consulting, software development, Internet and support
Selwood Housing Group Ltd /Society LtdSupplier(s) Lineal Software Solutions Ltd.GBP 2,275,496Awarded 17 November 2017Expiring 27 October 2021IT services: consulting, software development, Internet and support
Stale Pre-tenderPublished 13 November 2017
IT services: consulting, software development, Internet and support
Scottish GovernmentGBP 28,000,000IT services: consulting, software development, Internet and support
Expired contract
Computer support and consultancy services
University of NottinghamSupplier(s) Infosys LtdGBP 30,000,000Awarded 24 October 2017Expiring 17 September 2024Computer audit and testing services
Closed tenderPublished 7 November 2017
Ramsgate Harbour Lock Gates - Replacement and Refurbishment Project
Thanet District CouncilGBP 500,000Closing 8 December 2017Mechanical installations
Closed tenderPublished 7 November 2017
Project and Programme Management support for the Technology Platforms for Tomorrow (TPT) Programme
Home OfficeGBP 650,000Closing 21 November 2017
Closed tenderPublished 31 October 2017
Information systems and servers
Wheatley Homes SouthGBP 300,000Closing 30 November 2017Information systems and servers

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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