Operating systems: United Kingdom public contracts since 2024

Updated 12 October 2026 · all lines

Operating systems: United Kingdom public contracts since 2024. Since January 2024 the line carries 23 award notices from 11 buyers. 22 suppliers share it. 8 in 2024. 9 in 2025. 6 in the first 8 months of 2026. 3 of them had no award notice in the register from January 2022 to 2023.

Assay record ASY-UK-07A7KON06J · Cite as: Assay Systems, “Operating systems: United Kingdom public contracts since 2024”, https://assay-systems.com/register/uk/line/operating-systems/

The line

Since January 2024 the line carries 23 award notices from 11 buyers. 22 suppliers share it.

8 in 2024. 9 in 2025. 6 in the first 8 months of 2026.

3 of them had no award notice in the register from January 2022 to 2023.

Suppliers in the line, by award notices since 2024

The extract for this line

Names every buyer behind the figures and, for each award notice, the supplier, the award date, the notice number and the value where one is disclosed, and the notices behind every figure.

Largest suppliers in the line

Share of the line held by each of its largest suppliers, by number of award notices, in the Contracts Finder register.

Basware Holdings Limited8.7%BYTES SOFTWARE SERVICES LIMITED4.3%Civica UK Limited4.3%Centerprise International Limited4.3%CDW Limited4.3%Ultima Business Solutions Limited4.3%Phoenix Software Ltd4.3%Somerford Associates Limited4.3%NCC Group Security Services Limited4.3%NQC LIMITED4.3%

All suppliers in United Kingdom, A to Z

Source: contract award notices published in Contracts Finder, UK Government, contractsfinder.service.gov.uk, from January 2022 to 31 August 2026, accessed 26 September 2026; contains public sector information licensed under the Open Government Licence v3.0, © Crown copyright.Assay Systems has changed the data.