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Govia Thameslink Railway Limited (GTR): The Provision of Voice and Telephony Services

  Govia Thameslink Railway Limited (GTR) is using Delta eSourcing to run this tender exercise

Notice Summary
Title: The Provision of Voice and Telephony Services
Notice type: UK4: Tender notice
Authority: Govia Thameslink Railway Limited (GTR)
Nature of contract: Services
Procedure: Above threshold - Open procedure
Short Description: GTR are looking for a supplier who can provide and manage voice and telephony services across the GTR network. Bidders will need to ensure they can support all existing handsets as these may be replaced due to fault throughout the duration of the contract. Bidders will be asked to provide optional pricing for this as part of the submission which will not be scored at tender stage. The key requirements for this tender exercise are: •To provide services on existing fixed Poly handsets across the stations and depots, noting that Poly handsets are to be re-used day 1 of the mobilisation. •ATAs to be migrated day 1 of the mobilisation, however these can be replaced if required for support reasons. •A carrier grade system is essential due to operational requirements. •Existing numbering is to be retained. Basic or equivalent functionality is essential. •Improved handset robustness especially high user fixed handsets While not part of the project scope GTR are interested in future capabilities of the proposed solution for simplified dialling from the station and depot phones to its existing 7000 mobile users – Note that this will not form part of the scored criteria for this tender exercise.
Published: 27/10/2025 12:50

View Full Notice


Contracting authority




Contracting authority:

Govia Thameslink Railway Limited


Public Procurement Organisation Number:

PCNW-8528-NRRP


Address:


1st Floor, Monument Place, 24 Monument Street
London
EC3R 8AJ
UK


Contact name:

Dulcie Neal


Email:

dulcie.neal@gtrailway.com


Telephone:

07929063232


Website:

Not provided


Organisation type:

PRIVATE_UTILITY


Devolved regulations that apply:

None




Procedure



Procedure type:


Open procedure





Preliminary market engagement conducted:

No



Tenders received:

0


Tenders assessed:

0


Tenders from SMEs:

0


Tenders from VCSEs:

0




Special regime:


Utilities



Scope



Title:

The Provision of Voice and Telephony Services


Reference number:

GTR1010


Main procurement category:

SERVICES


Description:

GTR are looking for a supplier who can provide and manage voice and telephony services across the GTR network. Bidders will need to ensure they can support all existing handsets as these may be replaced due to fault throughout the duration of the contract. Bidders will be asked to provide optional pricing for this as part of the submission which will not be scored at tender stage.

The key requirements for this tender exercise are:
•To provide services on existing fixed Poly handsets across the stations and depots, noting that Poly handsets are to be re-used day 1 of the mobilisation.

•ATAs to be migrated day 1 of the mobilisation, however these can be replaced if required for support reasons.

•A carrier grade system is essential due to operational requirements.

•Existing numbering is to be retained. Basic or equivalent functionality is essential.

•Improved handset robustness especially high user fixed handsets

While not part of the project scope GTR are interested in future capabilities of the proposed solution for simplified dialling from the station and depot phones to its existing 7000 mobile users – Note that this will not form part of the scored criteria for this tender exercise.
For more information about this opportunity, please visit the Delta eSourcing portal at:
https://goviathameslinkrailway.delta-esourcing.com/tenders/UK-UK-London:-Telephone-network./JP5W2NJ5A8

To respond to this opportunity, please click here:
https://goviathameslinkrailway.delta-esourcing.com/respond/JP5W2NJ5A8





Total value (estimated):


GBP 450,000 excluding VAT

GBP 562,500 including VAT





Description





Description:

Not provided





Suitable for SMEs:

Yes


Suitable for VCSEs:

No




Contract dates (estimated):

06/01/2026 to 31/03/2028


CPV classifications:


32551400 - Telephone network.

64210000 - Telephone and data transmission services.

64211100 - Local telephone services.

64213000 - Shared-business telephone network services.



Contract can be extended:

Yes


Extension date:

31/03/2029


Delivery regions:


UKI - LONDON

UKJ - SOUTH EAST (ENGLAND)



Award criteria:


Name: Criterion 1 / Weighting: 40

Name: Criterion 2 / Weighting: 60







Documents



Associated tender documents:


Not provided


Technical specifications:


Not provided



Submission




Enquiry deadline:

12/11/2025 Time: 12:00


Tender submission deadline:

21/11/2025 Time: 12:00


Submission address and any special instructions:

https://www.delta-esourcing.com/respond/JP5W2NJ5A8


An electronic auction will be used:


No


Languages that may be used for submission:


English


Award decision date (estimated):

10/12/2025



Other information



Legal and financial capacity conditions of participation:

Not provided


Technical ability conditions of participation:

Not provided


Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP):

No


Government Procurement Agreement (GPA):

No


A conflicts assessment has been prepared and revised:

Yes



Other organisations


Not provided

View any Notice Addenda


Contracting Authorities




Contracting authority:

Govia Thameslink Railway Limited


Public Procurement Organisation Number:

PCNW-8528-NRRP


Address:


1st Floor, Monument Place, 24 Monument Street
London
EC3R 8AJ
UK


Contact name:

Dulcie Neal


Email:

dulcie.neal@gtrailway.com


Telephone:

07929063232


Website:

Not provided


Organisation type:

PRIVATE_UTILITY


Devolved regulations that apply:

None




Procedure



Procedure type:


Open procedure





Preliminary market engagement conducted:

No



Tenders received:

0


Tenders assessed:

0


Tenders from SMEs:

0


Tenders from VCSEs:

0




Special regime:


Utilities



Scope



Title:

The Provision of Voice and Telephony Services


Reference number:

GTR1010


Main procurement category:

SERVICES


Description:

GTR are looking for a supplier who can provide and manage voice and telephony services across the GTR network. Bidders will need to ensure they can support all existing handsets as these may be replaced due to fault throughout the duration of the contract. Bidders will be asked to provide optional pricing for this as part of the submission which will not be scored at tender stage.

The key requirements for this tender exercise are:
•To provide services on existing fixed Poly handsets across the stations and depots, noting that Poly handsets are to be re-used day 1 of the mobilisation.

•ATAs to be migrated day 1 of the mobilisation, however these can be replaced if required for support reasons.

•A carrier grade system is essential due to operational requirements.

•Existing numbering is to be retained. Basic or equivalent functionality is essential.

•Improved handset robustness especially high user fixed handsets

While not part of the project scope GTR are interested in future capabilities of the proposed solution for simplified dialling from the station and depot phones to its existing 7000 mobile users – Note that this will not form part of the scored criteria for this tender exercise.
To view this notice, please click here:
https://goviathameslinkrailway.delta-esourcing.com/delta/viewNotice.html?noticeId=1005425498

To respond to this opportunity, please click here:
https://goviathameslinkrailway.delta-esourcing.com/respond/JP5W2NJ5A8





Total value (estimated):


GBP 450,000 excluding VAT

GBP 562,500 including VAT






Contract value:

GBP 562,500 including VAT



Contract Details



Contract 1


Title:

The Provision of Voice and Telephony Services


Reference number:

Not provided


Contract value:

GBP 185,781 including VAT


Below the relevant threshold:

Yes


Award decision date:

09/01/2026


Earliest date the contract will be signed:

22/01/2026


Contract dates (estimated):

01/04/2026 to 31/03/2028


Main procurement category:

SERVICES


CPV classifications:


32551400 - Telephone network.

64210000 - Telephone and data transmission services.

64211100 - Local telephone services.

64213000 - Shared-business telephone network services.



Delivery regions:


UKI - LONDON

UKJ - SOUTH EAST (ENGLAND)



Assessment summaries sent:

09/01/2026



Supplier




Supplier:

Gamma Network Solutions Limited


Companies House:

06783485


Address:


The Scalpel, 18th Floor, 52 Lime Street
London
EC3M 7AF
UK


Email:

bidteam@gamma.co.uk


Telephone:

Not provided


Small or medium-sized enterprise (SME):

No


Voluntary, community or social enterprise (VCSE):

No


Supported employment provider:

No


Public service mutual:

No





Other organisations


Not provided

View Award Notice