Contracting Authorities

Contracting authority:

Portsmouth Water Limited

Public Procurement Organisation Number:

PTQG-7125-BLXM

Address:

Brockhampton Springs,, West Street,
Havant
PO9 1LG
UK

Contact name:

David Gilmour

Email:

head.office@portsmouthwater.co.uk

Telephone:

+44 2392499888

Website:

https://www.portsmouthwater.co.uk/">https://www.portsmouthwater.co.uk/

Organisation type:

PRIVATE_UTILITY

Devolved regulations that apply:

None

Procedure

Procedure type:

Competitive flexible procedure

Dynamic market OCID:

Not provided

Competitive flexible procedure description:

Selection Questionnaire followed by ITT, as detailed in the procurement document available.

Preliminary market engagement conducted:

No

Dynamic market:

No

Special regime:

Utilities

Scope

Title:

Telephony and Resilience

Reference number:

Not provided

Main procurement category:

WORKS

Description:

1.2.1PWL wishes to let a Contract to improve and extend its Telephony & Resilience capability.
1.2.2This procurement is to provide Portsmouth Water with a Supplier capable of providing the goods and services required to satisfy PW’s move away from PSTN lines to a more secure and longer lasting solution.
1.2.3The initial work required under the contract must be complete by January 2027.
1.2.4PWL requires a robust and secure digital communication infrastructure that ensures reliable connectivity across all designated Portsmouth Water sites, providing the continuous and secure connectivity required for Critical National Infrastructure.
1.2.5The Goods and Services required will support PWL’s Operational and Information Technology needs at least until August 2030 and potentially to August 2035. A more detailed discussion on the needs of PWL is contained in the Scope document
1.2.6The Contractor will be expected to collaborate with existing suppliers, where required by PW and to work with PWL on establishing a single supply chain provider without any interruption to the existing service.
1.2.7Portsmouth Water and the Contractor will implement a Service Level Agreement. This comprehensive SLA will guarantee responsive support for any issues related to the communication network, safeguarding the continuity of Portsmouth Water’s core service delivery at all times.
1.2.8The provided communication network shall facilitate seamless point-to-point connectivity between all Portsmouth Water’s approximately 48 sites, as outlined in the Scope Document
1.2.9The network shall be capable of segregating, prioritising, and reliably supporting data traffic generated by critical systems, including but not limited to: Telemetry (GEOSCADA), CCTV, solar arrays, and inter-site operational process data.
To view this notice, please click here:
https://www.delta-esourcing.com/delta/viewNotice.html?noticeId=1022639767

To respond to this opportunity, please click here:
https://www.delta-esourcing.com/respond/F9V93M2ZYC

Total value (estimated):

GBP 3,000,000 including VAT

Contract value:

GBP 3,000,000 including VAT

Contract Details

Title:

Telephony and Resilience Framework

Reference number:

Not provided

Contract value:

GBP 3,600,000 including VAT

Below the relevant threshold:

No

Award decision date:

12/03/2026

Earliest date the contract will be signed:

31/03/2026

Contract dates (estimated):

01/04/2026 to 31/03/2030

Main procurement category:

SERVICES

CPV classifications:

32250000 - Mobile telephones.

32412000 - Communications network.

32412100 - Telecommunications network.

32430000 - Wide area network.

32510000 - Wireless telecommunications system.

32551400 - Telephone network.

45314200 - Installation of telephone lines.

64200000 - Telecommunications services.

64211000 - Public-telephone services.

64214000 - Dedicated-business telephone network services.

64215000 - IP Telephone services.

72315000 - Data network management and support services.

72720000 - Wide area network services.

Delivery regions:

UKJ - SOUTH EAST (ENGLAND)

Assessment summaries sent:

12/03/2026

Supplier

Supplier:

Vysiion Limited

Companies House:

PCPV-9162-RZBX

Address:

100 Leman Street
London
E1 8EU
UK

Email:

info@vysiion.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