01 Procurement
Tender overview
- Buyer
- Thameslink Southern Great Northern Limited (TSGN)
- Status
- Complete
- Procurement method
- Direct award
- Category
- Not supplied
- CPV classification
- Not supplied
- Tender period
- Not supplied — Not supplied
Description
Contract extension for provision of SOC/SIEM Managed Service. This is to extend the contract services for 20months, to align to our security licences which are in term until May 2028.
This page represents one OCDS contracting process. Notices can be revised over time. Values may be estimates, award values or contract values and should be read with their displayed stage and date.
02 Awards and contracts
Published award records
Contract extension for provision of SOC/SIEM Managed Service
- Awarded
- 17 September 2026
- Award value
- £595,220
- Suppliers
- 1
- Signed contract
- Not supplied
03 Organisations
Buyers, suppliers and other parties
Thameslink Southern Great Northern Limited (TSGN)
24 Monument Street, London, UKI31, EC3R 8AJ, United Kingdom
GB-PPON PBTL-7556-PTRNKroll Associates U.K. Limited
The News Building, Level 6,, 3 London Bridge Street, England, London, UKI44, SE1 9SG, United Kingdom
GB-PPON PZZW-8975-XDWNCompanies House links appear only for explicit GB-COH identifiers. BritDB does not create company links from a similar name or address.
04 Provenance
Source for this process
Contains public sector information licensed under the Open Government Licence v3.0. Official external links are available only on the source transition page.