System operational · UK tenders

Buyer profile

Thameslink Southern Great Northern Limited (TSGN)

otherUKI31englandGB

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Total contracts

17

Known spend

£26m

8 disclosed

Average value

£3m

Per contract

Active suppliers

6

Last 5 years

Open2Awarded6Closed4

Top suppliers

Last 5 years
  1. 1

    Millenium Site Services ltd

    1 winlatest 03 Jun 2026

    £2m

  2. 2

    Icomera UK Limited

    1 winlatest 18 Sept 2026

    £1m

  3. 3

    Kroll Associates U.K. Limited

    1 winlatest 18 Sept 2026

    £595,220

  4. 4

    Abacus Lighting Limited

    1 winlatest 14 Jul 2026CH 08494722
  5. 5

    Scheidt & Bachmann Fare Collection Systems GmbH

    1 winlatest 20 Jul 2026CH 03805576
  6. 6

    Concentrix TSC UK LTD

    1 winlatest 30 Sept 2026CH SC146564

What they buy

By CPV category

No CPV data captured yet for this buyer.

Tender activity

Notices published per month — last 24 months

5 active months
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All contracts (17)

T
ocds-h6vhtk-0784c4 · planning

GTR1106 - supply of paint and consumables - selhurst depot

Thameslink Southern Great Northern Limited (TSGN)
London

For the supply of Paint and Consumables to Selhurst Depot. For more information about this opportunity, please visit the eSourcing portal at: https://gtr.delta-esourcing.com/tender

£Up to £2,600,000
⏱ 30 Oct 2026
Posted · yesterday20d to apply →
T
ocds-h6vhtk-077f92 · planning

GTR1298 - provision of remote condition monitoring system

Thameslink Southern Great Northern Limited (TSGN)
London

GTR is looking to introduce a new RCM system to its Class 171 fleet, replacing the current system from the original build. The intention of the new system is to replicate the curre

£On request
Posted · 1w agoView details →
T
ocds-h6vhtk-077dda · award

Customer contact centre

Thameslink Southern Great Northern Limited (TSGN)
London

GTR is seeking to appoint a provider to deliver the contact help desk services. Provision of outsourced customer contact centre services. The service operates in a demand-led envir

£On request
Posted · 1w agoView details →
T
Open
ocds-h6vhtk-077c7a · tender

Graffiti detection system

Thameslink Southern Great Northern Limited (TSGN)
London

Detection Technology for Graffiti Application in Concealed Toilet Environments

£On request
⏱ 28 Oct 2026
Posted · 1w ago17d to apply →
T
Open
ocds-h6vhtk-077940 · tender

Fixed gantry at selhurst depot

Thameslink Southern Great Northern Limited (TSGN)
London

Full design, manufacture, installation (including civils / groundworks, Utilities), test, commission and assurance (Network Rail current Standards and specifications Compliant) pac

£On request
⏱ 16 Oct 2026
Posted · 2w ago6d left →
T
ocds-h6vhtk-0775ee · award

Contract extension for provision of soc/siem managed service

Thameslink Southern Great Northern Limited (TSGN)
London

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 20

£Up to £595,220
Posted · 3w agoView details →
T
ocds-h6vhtk-077508 · award

Extension of service agreement relating to the provision of a passenger wi-fi system and associated services

Thameslink Southern Great Northern Limited (TSGN)
London

Extension of Service Agreement relating to the provision of a passenger Wi-Fi system and associated services on rolling stock and ongoing operational services

£Up to £1,434,823
Posted · 3w agoView details →
T
ocds-h6vhtk-06fa3f · planning

Southern track and rail systems phase 3

Thameslink Southern Great Northern Limited (TSGN)
London

The purpose of the Procurement is to select a supplier or suppliers to deliver the Critical Junction/Plain Line Renewals and Signalling Cable replacement at various Depots. Assets

£Up to £18,000,000
⏱ 20 Nov 2026
Posted · 3w ago41d to apply →
T
ocds-h6vhtk-06e2ab · tender

Depot fire break & void detection surveys

Thameslink Southern Great Northern Limited (TSGN)
London

It has been highlighted a number of non-compliances in connection with the fire break and void protection of the ceiling voids, Throughout Several of our depots. The project will b

£Up to £450,000
⏱ 11 Sept 2026
Posted · 1mo agoView details →
T
ocds-h6vhtk-06dbd3 · tender

Planned preventative and reactive maintenance of compressed air systems

Thameslink Southern Great Northern Limited (TSGN)
London

the requirement is for a supplier to undertake planned preventative and reactive maintenance across the TLGN Railway estates wide range of compressed air equipment For more informa

£Up to £380,000
⏱ 18 Sept 2026
Posted · 2mo agoView details →
T
ocds-h6vhtk-06d3cb · planning

Stock and crew

Thameslink Southern Great Northern Limited (TSGN)
London

For the provision of Stop and Crew Service For more information about this opportunity, please visit the Delta eSourcing portal at: https://gtr.delta-esourcing.com/tenders/UK-UK-Lo

£On request
Posted · 2mo agoView details →
T
ocds-h6vhtk-06d2d4 · planning

Stop and crew service

Thameslink Southern Great Northern Limited (TSGN)
London

For the provision of Stop and Crew Service For more information about this opportunity, please visit the eSourcing portal at: https://gtr.delta-esourcing.com/tenders/UK-UK-London:-

£On request
Posted · 2mo agoView details →
T
ocds-h6vhtk-06d24f · award

Provision of lighting high mast maintenance

Thameslink Southern Great Northern Limited (TSGN)
London

GTR has awarded the supplier for the provision of lighting high mast maintenance.

£On request
Posted · 2mo agoView details →
T
ocds-h6vhtk-06d002 · award

Agreement for management, maintenance and support of ticket vending machines

Thameslink Southern Great Northern Limited (TSGN)
London

TSGN Limited requires ongoing support and maintenance of their ticket vending machines (TVMs) at stations across its operating network. TVM's have been supplied and installed by Sc

£On request
Posted · 2mo agoView details →
T
ocds-h6vhtk-06cc3b · planning

Provision of document management system

Thameslink Southern Great Northern Limited (TSGN)
London

Provision of Document Management System (DMS) supporting drafting, editing, approval, and lifecycle management of technical work instructions and other document types. Please find

£On request
Posted · 2mo agoView details →
T
ocds-h6vhtk-06b88f · planningUpdate

Supply & fit mobile access gantries

Thameslink Southern Great Northern Limited (TSGN)
London

Lot 1 - To Supply & Fit Mobile access gantry at Selhurst Depot Lot 2 - To Supply various step up access gantries at Three Bridges Depots For more information about this opportunity

£Up to £550,000
⏱ 31 Aug 2026
Posted · 3mo agoView details →
T
ocds-h6vhtk-06af21 · award

Train glazing services at depots

Thameslink Southern Great Northern Limited (TSGN)
London

To provide train glazing services at various depots.

£Up to £1,968,496
Posted · 4mo agoView details →