--- title: "CM3309 WAN Replacement" ocid: "ocds-h6vhtk-069fec" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-069fec" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-069fec.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-069fec.json" source: "Find A Tender Service" current_stage: "Tender" buyer: "YORKSHIRE WATER SERVICES LIMITED" published: "2026-05-21" --- # CM3309 WAN Replacement Buyer: YORKSHIRE WATER SERVICES LIMITED Current stage: Tender OCID: ocds-h6vhtk-069fec [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-069fec) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-069fec.json) ## Summary Yorkshire Water Services Limited is issuing a tender titled "CM3309 WAN Replacement" to appoint a strategic supplier for delivering a comprehensive Software Defined Wide Area Network (SD-WAN) and managed network security service across its 242 operational sites. The tender, which falls under the industry categories of Networks, Telecommunications equipment, and Internet services, is currently at the tender stage with submissions due by 19th June 2026. The procurement process, conducted via an open, competitive flexible procedure as per the Procurement Act 2023, involves two stages: Conditions of Participation and Invitation to Tender, with the contract expected to commence in December 2026. This tender offers substantial opportunities for businesses specialising in networking and telecommunications infrastructure. The total contract value stands at GBP 4,000,000, with the potential for extensions subject to supplier performance, spanning an initial term of five years with up to three additional years. Ideal contenders would be firms with expertise in SD-WAN technology, network security, and cloud service connectivity, capable of meeting technical quality standards and offering competitive commercial proposals. Successful completion could bolster a company's portfolio and provide exposure to a significant utility sector client in the UK. ## Notice 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 ### Lot Information Lot 1 Renewal: 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. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/047371-2026 | | Notice type | UK4 - Tender Notice | | Procurement type | Standard | | Procurement category | Services | | Procurement method | Open | | Procurement method details | Competitive flexible procedure | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 21 May 2026 | | Submission deadline | 19 Jun 2026 | | Future notice date | Not specified | | Award date | Not specified | | Contract period | 1 Dec 2026 - 30 Nov 2031 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £4,000,000 | | Lots value | £4,000,000 | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Active | | Lots status | Active | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | YORKSHIRE WATER SERVICES LIMITED | | Locality | BRADFORD | | Post town | Bradford | | Postcode | BD6 2SZ | | Country | England | | ITL 1 | TLE Yorkshire and The Humber | | ITL 2 | TLE4 West Yorkshire | | ITL 3 | TLE41 Bradford | | Local authority | Bradford | | Electoral ward | Royds | | Westminster constituency | Bradford South | | Delivery location | TLD North West (England), TLE Yorkshire and The Humber, TLG West Midlands (England) | ## CPV Codes ### Divisions - 32 - Radio, television, communication, telecommunication and related equipment - 48 - Software package and information systems - 72 - IT services: consulting, software development, Internet and support ### Codes - 32400000 - Networks - 32500000 - Telecommunications equipment and supplies - 48200000 - Networking, Internet and intranet software package - 72400000 - Internet services ## Release History - 21 May 2026 at 15:41 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/047371-2026 ## Documents - https://www.find-tender.service.gov.uk/Notice/047371-2026 21st May 2026 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/Attachment/A-16511 - https://www.find-tender.service.gov.uk/Notice/Attachment/A-16577 ## Notice URLs - https://s1-eu.ariba.com/Sourcing/Main/aw?awh=r&awssk=fy5dbBftDhoBNSzh&realm=YorkshireWater& - https://www.legislation.gov.uk/ukpga/2023/54/contents ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-069fec. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-069fec.json.