Scope
Description
The existing network and voice service management contracts are approaching renewal
with our current service provider. In this tender process, NGN is interested in exploring
implementing a new network and voice solution. This will also include providing NGN with
a comprehensive service for the management of the implemented network and voice
services.
The successful supplier will be responsible for the comprehensive solution implementation
and management of NGN's network and voice services. The scope includes, but is not
limited to:
- Wide Area Network (WAN)
- Software-Defined Wide Area Network (SD-WAN)
- Next Generation Firewalls (NGFW)
- Local Area Network (LAN & WLAN)
- Cloud Services
- Voice Unified Comms (UC)
- Voice Contact Centre (CC)
Total value (estimated)
- £4,200,000 excluding VAT
- £5,040,000 including VAT
Above the relevant threshold
Contract dates (estimated)
- 30 June 2027 to 29 June 2030
- Possible extension to 29 June 2035
- 8 years
Description of possible extension:
5 x 1 extension provisions
Main procurement category
Services
CPV classifications
- 72000000 - IT services: consulting, software development, Internet and support
Submission
Submission type
Requests to participate
Deadline for requests to participate
18 March 2026, 11:59pm
Submission address and any special instructions
The aim of this Tender Notice is to:
* Ensure we provide bidders with adequate information to determine if they wish to proceed with this tender event.
* Provide NGN with a more detailed understanding of the interest within the market.
The Tender Notice process is the first stage of multistage procurement process. All interested suppliers must follow the below steps in order to proceed with the conditions of participation and PQQ stages of this procurement event:
Sign up or Sign in to NGNs Tendering Portal - Market Dojo. Follow this link to do so:
https://secure.marketdojo.com/signup
When you have logged in to your dashboard, you'll need to click the 'Show all or enter invite code' button under the Event Invitations section.
You'll need to enter this code: 0FBCACB238
It will then notify NGN to approve you onto the tender event. Once approved you will be given access to the event, where you'll be taken to the Conditions of Participation stage, this stage is a pass/fail and will be locked until after the PQQ submission deadline. Any supplier who fails this stage will automatically be withdrawn from the process and will not gain access to the PQQ.
All suppliers who pass this stage will be automatically taken to the PQQ where they will be given a deadline and detail to complete.
Once the PQQ has been evaluated by NGNs internal evaluation team all those who meet the criteria will be sent to the RFP stage where NGN will assess against award criteria.
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
22 June 2026
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Non Commercial | Quality | 60% |
| Commercial | Cost | 35% |
| Contractual | Quality | 5% |
Other information
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Competitive flexible procedure
Special regime
Utilities
Competitive flexible procedure description
This procurement will follow the following process:
- Tender notice issued (this notice) for 25 days
- Interested suppliers to contact NGN and be invited to Conditions of Participation via
Market Dojo (Pass/Fail)
- Suppliers who Pass the Conditions of Participation will be invited to PQQ
- PQQ responses evaluated
Suppliers who score over 60% will be invited to tender (RFP)
- RFP live for 25 days
- RFP responses evaluated based on 60% non-commercial, 40% commercial criteria
- Best and Final Offer requested
- Interviews carried out
- Final evaluations completed
- Suppliers notified of the outcome
Full details are made available in the tender scope.
If supplementary stages are required throughout the process, or stages noted in the
strategy defined above are no longer required,
it is at NGN's discretion to include or remove stages.
It is at the discretion of NGN to change the weightings/criteria or add additional sub
criteria/weightings to the PQQ or RFP if there is a need to do so before the submission
deadline of the relevant stage.
Any changes to the evaluation criteria will be communicated
to all Bidders.
Contracting authority
NORTHERN GAS NETWORKS LIMITED
- Companies House: 05167070
- Public Procurement Organisation Number: PRNB-9357-PVLR
1100 Century Way
Colton Leeds
LS15 8TU
United Kingdom
Region: UKE42 - Leeds
Organisation type: Private utility