Source: https://tendernation.io/opportunities/01a13bd5-7b3c-7009-b0ee-79526ece308c/implementation-and-management-of-ngn-network-voice-services-sd-wan-wan-lan closed GB restricted procedure # Implementation and Management of NGN Network & Voice Services (SD-WAN, WAN, LAN, WLAN, UC & CC) [Northern Gas Networks Limited](https://tendernation.io/buyers/northern-gas-networks-limited) Estimated value £4,200,000 Published 13 Feb 2026 Deadline Rolling deadline ## About this tender 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) ## CPV classification IT services: consulting, software development, Internet and support Source Find a Tender (UK) · Notice ocds-h6vhtk-065373-2026-02-13T09:24:14Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-065373-2026-02-13T09:24:14Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Northern Gas Networks Limited: past awards and live tenders](https://tendernation.io/buyers/northern-gas-networks-limited) [Sector More IT services tenders](https://tendernation.io/sectors/it-services) ## More tenders like this [SONI090 – Client-Side Advisor · SONI Ltd · 32 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a154e4-4736-72ba-9b73-0e325c4a96e5/soni090-client-side-advisor) [Computer facilities management services – IT-tjänster · Kalmar Läns Museum · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-8774-723e-83a8-af2cae60c2ed/sweden-computer-facilities-management-services-it-tjanster) [Software supply services – CRE\_2026\_092 Renouvellement des licences Varonis · CREOS Luxembourg S.A. · 27 days left · 15 Nov 2026](https://tendernation.io/opportunities/01a15183-411c-7086-9da9-540c2fa32c64/luxembourg-software-supply-services-cre-2026-092-renouvellement-des-licences) [IT services: consulting, software development, Internet and support – Integrale ICT-dienstverlening · Stichting TWijs · 42 days left · 30 Nov 2026](https://tendernation.io/opportunities/01a15183-8078-70d7-8df3-40f25f4d83c5/netherlands-it-services-consulting-software-development-internet-and-suppor) [Software supply services – Vergabe zur Ablösung der bestehenden SAP-Lösung im Bereich Personal · Westfälische Verkehrsgesellschaft mbH · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-0636-71ff-ab09-9dda4a94f77c/germany-software-supply-services-vergabe-zur-ablosung-der-bestehenden-sap-lo) [Software implementation services – DNS - Metada Platform - licence a související implementační, konzultační, analytické a školicí služby · DIAMO, státní podnik · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15183-8989-719a-85fd-f036dc09b9df/czechia-software-implementation-services-dns-metada-platform-licence-a-s)