System operational · UK tenders
closed
ocds-h6vhtk-0606ff · tender

Managed Detection and Response Tender

Southern Water Services Limited

Estimated Value

Not specified

Deadline

21 September 2026

Published

11 August 2026

Type

Not specified

Private tenderSouth EastGBopen

Overview

The objective of this tender is to select a single supplier to provide a combined Managed Detection and Response (MDR) service covering SWS’ Corporate/IT and Operational Technology (OT) environments. SWS is seeking a 24/7/365 MDR service providing continuous monitoring, threat detection, triage, investigation, IT and OT incident response, case management, reporting and assurance evidence.

The MDR Service must support SWS in meeting its regulatory and assurance obligations, including CAF, NIS and DWI requirements SWS operates an existing security tooling estate (e.g. Nozomi Networks, Cisco Cyber Vision and CrowdStrike). The MDR Service Provider will be expected to consume and integrate telemetry from these existing SWS tooling sources rather than replace them by default.

Where a Tenderer identifies material gaps in the existing tooling estate, they should propose solutions to address those gaps as part of their proposed design and tender response. Estimated contract value for a 3-year contract with options to extend by 1-year and a further 1-year is £8.5m

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Likely incumbents

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

5 found
  1. 1

    STANTEC UK LIMITED

    2 contracts wonlatest 10 Jul 2026ends 2 Aug 2034CH 01188070

    £11m

    total awarded

  2. 2

    Wild Capital 1 Ltd

    2 contracts wonlatest 3 Jul 2026ends 12 Jul 2056CH 14747595

    £3m

    total awarded

  3. 3

    Hydraulic Analysis Limited

    1 contract wonlatest 6 Oct 2026ends 30 Apr 2027CH 06930187

    £1m

    total awarded

  4. 4

    Harry Ferguson Farms Limited

    1 contract wonlatest 1 Oct 2026ends 31 Mar 2027

    £2m

    total awarded

  5. 5

    Hampshire and Isle of Wight Wildlife Trust

    1 contract wonlatest 1 Oct 2026ends 31 Mar 2027

    £2m

    total awarded

STANTEC UK 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.

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

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Buyer Profile

Southern Water Services Limited
Typepublic body
RegionUKJ27
Total tenders62
Total spend£2,173,711,721
View buyer profile

Key Dates

Published

11 August 2026

Submission deadline

21 September 2026

Notice type

tender

Source

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