Tender: WAN Replacement Services | Yorkshire Water (CM3309)
Tender CM3309 WAN Replacement YORKSHIRE WATER SERVICES LIMITED
Description
Yorkshire Water Services Limited is seeking to appoint a strategic supplier to deliver a fully managed Software Defined Wide Area Network (SD-WAN) and associated managed network security service across its operational estate (242 sites).
YWS intends for the selected supplier to replace the legacy WAN architecture and provide the following key services:
• SD-WAN overlay platform providing intelligent traffic routing, encryption, and centralised policy management
• WAN Edge devices to provide secure internet breakout at each site
• Internet circuits replacing the existing MPLS estate
• Secure connectivity to cloud services (Microsoft Azure) and site-to-site networks, and Zscaler technologies
• Integrated firewall capability supporting IT/OT network segmentation
• Centralised management portal with enhanced reporting and capacity planning capabilities
Please refer to the attachments for further details on the scope of services
Total value (estimated)
- £4,000,000 excluding VAT
- £6,000,000 including VAT
Above the relevant threshold
Contract dates (estimated)
- 1 December 2026 to 30 November 2031
- Possible extension to 30 November 2034
- 8 years
Description of possible extension:
The proposed contract structure is anticipated to comprise an initial term of five (5) years with optional extensions of up to two (2) years plus one (1) additional year, subject to supplier performance, operational requirements, regulatory considerations, and business need.
Main procurement category
Services
CPV classifications
- 32400000 – Networks
- 32500000 – Telecommunications equipment and supplies
- 48200000 – Networking, Internet and intranet software package
- 72400000 – Internet services
Contract locations
- UKD – North West (England)
- UKE – Yorkshire and the Humber
- UKG – West Midlands (England)
Submission
Enquiry deadline
5 June 2026, 11:59pm
Submission type
Tenders
Tender submission deadline
19 June 2026, 11:59pm
Submission address and any special instructions
Tenders must be submitted electronically via SAP Ariba, Yorkshire Water’s e-procurement portal.
https://s1-eu.ariba.com/Sourcing/Main/aw?awh=r&awssk=fy5dbBftDhoBNSzh&realm=YorkshireWater&…
Suppliers not yet registered must complete registration prior to submission. All communications, clarifications, and tender submissions must be made through the SAP Ariba portal.
If you wish to participate, please email Tobi.Enaigbe@yorkshirewater.co.uk so that we can issue an invitation via SAP Ariba.
Tenders submitted by email or post will not be accepted.
No electronic auction will be used.
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
20 November 2026
Award criteria
| Name | Description | Type | Weighting |
|---|---|---|---|
| Quality Assessment |
Tenders will be evaluated on technical quality and capability, representing 60% of the total score. |
Quality | 60% |
| Cost |
Commercial proposals will represent 40% of the total score. |
Cost | 40% |
Other information
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Competitive flexible procedure
Special regime
Utilities
Competitive flexible procedure description
Yorkshire Water will conduct this procurement using a Competitive Flexible Procedure in accordance with the Procurement Act 2023.
The procedure will consist of two stages: an initial Conditions of Participations (CoP) to assess compliance and capability, followed by an Invitation to Tender (ITT) issued to shortlisted suppliers. There will be at least 2 ITT stages. During the ITT stage, Yorkshire Water will also conduct a contractual compliance round to ensure alignment with its standard terms and regulatory obligations.
Documents
Associated tender documents
CM3309 WAN Replacement – Conditions of Participation Introduction vf.pdf
CM3309 WAN Replacement – Conditions of Participation Questionnaire vf.xlsx
Contracting authority
YORKSHIRE WATER SERVICES LIMITED
- Companies House: 02366682
- Public Procurement Organisation Number: PXGT-3622-WXBQ
Western House
Bradford
BD6 2SZ
United Kingdom
Region: UKE41 – Bradford
Organisation type: Private utility