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In deliveryUnited KingdomServices£13,000,000Add to pipeline

Independent Monitor - Thames Water

Awarded to ERNST & YOUNG LLP

The Water Services Regulation Authority(buyer)

Published
Published 31 July 2026
Deadline
Closed 11 September 2026
See all 16 awarded contractsHow Skim finds tendersView original notice ↗

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Overview

Ofwat is procuring an Independent Monitor to provide independent monitoring, analysis and reporting on Thames Water's turnaround programme, financial resilience and compliance with regulatory undertakings following a licence breach. The Monitor will assess Thames Water's progress across operational performance, governance, financial resilience, transformation programmes and capital delivery, reporting regularly to Ofwat to support regulatory oversight. The contract is designed to be scalable and proportionate, adjusting in scope and intensity based on Thames Water's progress and risk profile throughout the engagement period.

Contracting authority

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Key details

Country
United Kingdom
Status
In delivery
Category
Services
Estimated value
£13,000,000
Procedure
Competitive flexible procedure
Rules
Procurement Act 2023
SME suitable
Yes
Published
31 July 2026
Questions by
24 August 2026
Deadline
Closed
Classification (CPV)
Business services: law, marketing, consulting, recruitment, printing and security

Award outcome

Awarded value
£13,000,000
Award date
28 October 2026
Contract period
5 November 2026 → 31 July 2030
Contract length
3 years 9 months
Could run to
31 July 2031
Bids received
6
Winner
  • ERNST & YOUNG LLP

This contract ends on 31 July 2030, or 31 July 2031 if every extension is used.

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About the winner

ERNST & YOUNG LLP

Based in
London
Public contracts won
329
Across UK and EU notices

No other contract from The Water Services Regulation Authority under this supplier name in Skim's records.

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Competition and scoring

Bids received

6

1 from SMEs

Open and restricted tenders in Business services: law, marketing, consulting, recruitment, printing and security drew a median of 4 bids over the last 24 months; 21% received only one.

Who bid

  • ERNST & YOUNG LLPWinner
  • S&W PARTNERS LLP
  • DEECON CONSULTING LIMITED
  • ROLAND BERGER LTD
  • L.E.K. CONSULTING LLP
  • GRANT THORNTON UK ADVISORY & TAX LLP

How bids were scored

Price 30% · Quality 70%

  • Written Quality Responses50%
  • Presentation and Interview Stage10%
  • Social Value10%
  • Pricing Response30%

Price and cost criteria in black, quality in blue.

Market context

Typical award in Business services: law, marketing, consulting, recruitment, printing and security

£73,982

Median of 18,935 awards in the last 24 months

This award is 175.7× the median.

The Water Services Regulation Authority in the last 12 months

25

contracts awarded, worth £19,640,263 in total

See their procurement profile →

Recent awards in Business services: law, marketing, consulting, recruitment, printing and security

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Notice history

Every published notice in this contracting process, newest first.

  1. Award Update · Contract Update

    12 November 2026

  2. Award Update · Contract Update

    9 November 2026

  3. Contract

    28 October 2026

  4. Tender Update

    4 September 2026

  5. Tender Update

    28 August 2026

  6. Tender Update

    14 August 2026

  7. Contract Notice

    31 July 2026

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