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Published 15 Jan 2026, 16:15 GMT

Official UK procurement notice

Managed Detection and Response Tender

Official notice

Authority: Southern Water Services Limited (Public body)

ServicesCompetitive flexible procedureAbove thresholdUtilities
Sectors: IT Services & Software (72) Delivery: Delivery location not published
Published estimate£10,000,000≈ £3.3m / year · £10,000,000 inc. VAT · 1 value update
Submissions closed 21 Sept 2026
Contract term 3 yrsends 3 Jan 2030 · up to 3 Jan 2032 with extensions · starts 4 Jan 2027

What is being bought

Published requirement description

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

  • How the procedure runs: The tender opportunity is separated into different response envelopes for the pre-qualification questionnaire (PQQ) and the technical and commercial response (ITT), which Tenderers must complete and submit together as a single combined response. This procurement is being conducted as a Competitive Flexible Procedure under the Procurement Act 2023, for a single lot, single supplier appointment: SWS intends to appoint one successful Tenderer to enter into a services contract for the delivery of the MDR Services. SWS will assess the PQQ (qualification and technical envelope) stage first and may down-select Tenderers before full ITT evaluation.

CPV: Computer support and consultancy services · IT services: consulting, software development, Internet and support

The lotProcurement structure

single lot · value published
Lot #1Renewal 3 yrsPublished value£10,000,000
Contract period: 4 Jan 2027 – 3 Jan 2030 (3 yrs) · up to 3 Jan 2032 with extensionsValue: £10,000,000 exc. VAT · £10,000,000 inc. VAT
Extensions: Southern Water reserves the right to require the supplier to deliver some or all of the services in relation to Southern Water Wastewater operational technology (“OT”) sites and assets, in addition to Clean Water sites and assets. Southern Water may exercise this right at any time during the contract term. Any services required for Wastewater OT sites and assets will be of the same type as some or all of the services provided by the supplier for Clean Water sites. Charges for any services required for Wastewater OT sites and assets will be determined using the cost model, tendered rates and charging basis as set out in the Commercial Response Schedule (PK-008). · Southern Water may extend the term of the contract for an additional one year from the third anniversary of the contract start date, meaning the contract would expire four years after the contract start date. In addition, Southern Water may extend the term of the contract for an additional one year from the fourth anniversary of the contract start date, meaning the contract would expire five years after the contract start date.
72000000 IT services: consulting, software development, Internet and support72600000 Computer support and consultancy services

What it takes to win
i

How this buyer will score bids.

The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).

Evaluation split and conditions of participation as published; the tender pack may add more
How bids were scored
Quality: 70%Price: 30%
Published sub-criteria (2)
  • Technical: 70%
  • Commercial: 30%
Published award criteria (2)
  • Technical
  • Commercial
What this means for your bid
  • Price carries 30 of 100 points: a 10% discount moves about 3 points. The method statement decides this lot, not the discount.

Price arithmetic assumes straight proportional scoring; the tender pack may use another formula.

Procedure terms & legal framework

From the official record
Procedure method
Competitive flexible procedure
Legal basis
UKPGA · 2023/54 Procurement Act 2023
Procurement category
Services
Notice status
Closed
Procurement threshold
Above threshold (FTS publication)
Regulatory regime
Utilities
Commercial structure
Stand-alone contract (no framework)
Competition type
Competitive procedure
GPA / WTO covered
Unspecified in notice
Recurring procurement
Unspecified in notice
First published
15 Jan 2026, 16:15 GMT
Last source update
12 Aug 2026, 09:41 BST
Award evaluation window
Submission end – 27 Nov 2026
Authority reference
Prj_8501
FTS notice number
2026/S 000-076134
Latest notice
Tender notice (UK4)
Classification (CPV)
Computer support and consultancy servicesIT services: consulting, software development, Internet and support
Delivery area
Not published
Official registry OCID
ocds-h6vhtk-0606ff Find a Tender
How it runs

The tender opportunity is separated into different response envelopes for the pre-qualification questionnaire (PQQ) and the technical and commercial response (ITT), which Tenderers must complete and submit together as a single combined response.

This procurement is being conducted as a Competitive Flexible Procedure under the Procurement Act 2023, for a single lot, single supplier appointment: SWS intends to appoint one successful Tenderer to enter into a services contract for the delivery of the MDR Services. SWS will assess the PQQ (qualification and technical envelope) stage first and may down-select Tenderers before full ITT evaluation.

How it was run

Official notice
Run through: Jaggaer · Who buys & how to bid on JAGGAER
Supplier login requiredElectronic submission allowedLanguage: EN
Access & registration note: Free; latest Chrome/Edge/Firefox only — corporate browsers fail
Submission deadline
21 Sept 2026, 16:00 BST
Clarification deadline
21 Aug 2026, 16:00 BST
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Accepted languages
en
Detailed submission instructions & authority contactsFrom official release

The procurement documents are available for unrestricted and full direct access, free of charge, at

southernwater.bravosolution.co.uk ↗

Additional information can be obtained from the above-mentioned address

Tenders or requests to participate must be submitted electronically via

southernwater.bravosolution.co.uk ↗

Tenders or requests to participate must be submitted to the above-mentioned address

If you are interested in bidding for this tender, please be aware that you will need to have registered on the central digital platform before you will be able to bid. This will require you to complete some information and then you will be provided with a unique identifier. For more information on how to register, please follow the below link:

www.gov.uk/government/publicati… ↗

Timeline

15 Jan 2026 → 4 Jan 2027 · 7 dates
  1. Planning notice published279 days ago
    15 Jan 2026, 16:15 GMT
  2. Market engagement266 days ago
    27 Jan 2026, 23:59 GMT

    Any interested parties should register their interest via Jaggaer and respond to the questions within the RFI.

    southernwater.bravosolution.co.uk ↗

  3. Tender notice published71 days ago
    11 Aug 2026, 11:30 BST
  4. Clarification questions by61 days ago
    21 Aug 2026, 16:00 BST
  5. Submission deadline30 days ago
    21 Sept 2026, 16:00 BST
  6. Today
    21 Oct 2026
  7. Award decision expected byin 38 days
    27 Nov 2026, 23:59 GMT
  8. Contract startsin 75 days
    4 Jan 2027

Notice history

7 events · 3 releases on Find a Tender · since 15 Jan 2026
  1. Preliminary market engagement notice published
    15 Jan 2026, 16:15 GMT
    UK2
  2. Tender notice published
    11 Aug 2026, 11:30 BST
    UK4
  3. Published value updated
    11 Aug 2026, 11:30 BST
  4. Status changed to active
    11 Aug 2026, 11:30 BST
  5. Procurement method changed
    11 Aug 2026, 11:30 BST
  6. Deadline published: 21 Sept 2026, 16:00 BST
    11 Aug 2026, 11:30 BST
  7. Tender notice published
    12 Aug 2026, 09:41 BST
    UK4

Contracting authority & participating public bodies

Southern Water Services Limited

Contracting authorityPrivate utility GB-PPON: PBJQ-2231-ZRPG Southern Water, Southern House, Worthing, South East, Bn13 3NXContact email

Official documents & specifications (4)

Official links; attachments are not copied

Tender pack and attachments

  • Bidding documents and specificationstenderBidding documents and specificationsAccess: The procurement documents are available for unrestricted and full direct access, free of charge, at https://southernwater.bravosolution.co.uk/

Notices published for this procedure

  • Tender notice tenderTender noticeUK4Tender notice on Find a Tender
  • Tender notice tenderTender noticeUK4Tender notice on Find a Tender
  • Preliminary market engagement notice planningPreliminary market engagement noticeUK2Preliminary market engagement notice on Find a Tender