Closed

Managed Detection and Response Tender

Southern Water Services Limited · Private utility

In brief

Southern Water Services Limited was looking for suppliers for security and IT and software work. Bidding has closed and no award has been published yet.

The estimated value is £10,000,000 including VAT.

The contract runs for 3 years, up to 5 years with extensions, starting 4 January 2027.

Built from the notice's own fields. Always check the official notice before you bid.

What the notice says

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

Timeline

  1. Preliminary market engagement notice · UK2, notice 003627-2026
  2. Tender notice · UK4, notice 076134-2026
  3. Tender notice · UK4, notice 076524-2026

About the buyer

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From notice 003627-2026 on Find a Tender, first published 15 January 2026, last updated 12 August 2026. We last checked for changes on 28 September 2026.