System operational · UK tenders
Awarded
ocds-h6vhtk-05cf4e · award

Telephony and Resilience

Portsmouth Water Limited

Estimated Value

Up to £3,000,000

Deadline

31 October 2025

Published

18 March 2026

Type

Not specified

Private tenderSouth EastGBopen

Overview

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.

AI AnalysisMembers

Requirements, key tasks and tips for reading this tender — included with Tendarix membership.

Create free account

£4.99/month after a 7-day free trial. Cancel anytime before it ends and you pay nothing.

Award Details

Vysiion Limited

12 Mar 20261 Apr 2026 – 31 Mar 2030

£3,000,000

Likely incumbents

Suppliers who won similar work from this buyer in the last 5 years.

5 found
  1. 1

    ECOLOGICAL SURVEY & ASSESSMENT LIMITED

    1 contract wonlatest 11 Feb 2026ends 1 Apr 2034CH 06129868

    £1m

    total awarded

  2. 2

    Middlemarch Environmental Ltd

    1 contract wonlatest 11 Feb 2026ends 1 Apr 2034CH 2593908

    £1m

    total awarded

  3. 3

    Tetra Tech Limited

    1 contract wonlatest 11 Feb 2026ends 1 Apr 2034CH 01959704

    £1m

    total awarded

  4. 4

    FIVE RIVERS ENVIRONMENTAL CONTRACTING LTD

    1 contract wonlatest 11 Feb 2026ends 1 Apr 2034CH 05084974

    £1m

    total awarded

  5. 5

    RSK BIOCENSUS LIMITED

    1 contract wonlatest 11 Feb 2026ends 1 Apr 2034CH 04364279

    £1m

    total awarded

ECOLOGICAL SURVEY & ASSESSMENT LIMITED is the most likely incumbent based on recency and category match. To win, bidders typically need a clearly differentiated proposition or a price advantage.

Search for tenders
SponsoredEst. 2010
Gladstone & Co AccountantsTax advisers · East Ham, London

Before you bid, buyers check

two years of filed accountsyour financial standingturnover vs contract valueyour Companies House recordcash flow for 30-day termscredit scores and ratios

Annual accountsCash-flow forecastsManagement accountsCorporation taxVAT & MTDPayroll & RTIBookkeepingCompany formationSelf-assessmentVirtual FDHMRC enquiriesAuto-enrolmentProperty & landlord taxCharity SORP accounts
Get bid-ready — free 30-min call

Actions

Start free trialto open notice

Create an account and start a 7-day free trial to open the buyer’s own notice and tender documents, plus fit scoring and the Bid Writer. Then £4.99/month — cancel anytime.

Open Bid Writer
Built by · Digital studioEst. 2022
Unique
Evolution®

Independent software, web & cloud studio. We design, build and grow digital products that quietly outlast their category.

Web DesignSoftware DevelopmentSEO ServicesPromotion
Visit Unique Evolution

How to Apply

Step-by-step submission guide

Closed

Submission Portal

Find a Tender

Visit
1

Open the original notice

Click the button below to view the full notice on Find a Tender Service (FTS)

2

Check the procedure type

The "Procedure" section tells you if it's Open (one stage) or Restricted (SQ then ITT). This changes how you apply

3

Access the eSourcing portal

FTS notices link to the buyer's eSourcing platform — register there to access documents

4

Complete the Selection Questionnaire

Higher-value contracts often require an SQ first — this pre-qualifies you before the full bid stage

5

Submit electronically

Upload your completed response through the eSourcing platform before the closing date and time

FTS contracts are above UK procurement thresholds. Late submissions are strictly rejected — submit at least 24 hours before the deadline to avoid portal issues.

Buyer Profile

Portsmouth Water Limited
Typepublic body
RegionUKJ
Total tenders12
Total spend£44,906,674
View buyer profile

Key Dates

Published

18 March 2026

Submission deadline

31 October 2025

Notice type

award

Source

find a tender

Similar

Related Tenders