Quick answer — THAMES WATER UTILITIES LIMITEDLast refreshed 14 May 2026

At a glance

THAMES WATER UTILITIES LIMITED has awarded £29.0bn across 426 suppliers, with 555 live contracts.

Why: Top supplier share 5% · 116 open notices now · 41 awards in last 90 d (£189.1m) · SME share 55% (Cabinet Office target 33%) · 2 modifications in last 90 d.

Decision signals
Top-supplier concentration5%
Modifications · 90 d2
SME spend share55%
Pipeline · open now116
Awards · 90 d41

About this buyer

Mission, scope and statutory context.

THAMES WATER UTILITIES LIMITED is a contracting authority, based in UKJ11. Tracks 253 published notices and 222 awards on PublicSupply.

253
Notices published
222
Awards
426
Suppliers engaged
2025
First award on file

Spend profile

Award value by month — rolling 24 months. Line shows 12-month moving average.

£287.0m
12 m spend
£0
Prior 12 m
YoY change
£53.6m
Median award
Awards (£m)12m moving avg
THAMES WATER UTILITIES LIMITED — monthly award value, rolling 24 months£0m£57m£114m£171m£228mJulOctJanAprJulOctJanApr

Contract pipeline

Forward flow — planned notices through to completed awards in the last 90 days.

Planned

23

Pipeline notices

Open (bidding)

116

Live tenders

Awarded (90d)

41

£189.1m

Frameworks open

0

Framework / DPS routes

Procurement mix

How this buyer procures — by procedure, instrument, and publication source.

Contract type

works51 · £17.5bn
services118 · £4.3bn
goods67 · £1.0bn
Unspecified17 · £101.0m

Instrument type

contract253 · £22.9bn
Source:Find a Tender: 253

Awarded contracts · 555 live

All contracts with a published award notice where THAMES WATER UTILITIES LIMITED is the contracting authority.

downloadExport CSV
TitleSupplierCPVValueAwardedStatus
Waste Tankering and Cleaning ServicesA BETTER SERVICE LTD£014 May 2026pending
Waste Tankering and Cleaning ServicesA BETTER SERVICE LTD£014 May 2026pending
Waste Tankering and Cleaning ServicesA1 WOKINGHAM WET WASTE LIMITED£014 May 2026pending
Waste Tankering and Cleaning ServicesA1 WOKINGHAM WET WASTE LIMITED£014 May 2026pending
Waste Tankering and Cleaning ServicesBIOMARSH ENVIRONMENTAL LTD£014 May 2026pending
Waste Tankering and Cleaning ServicesBIOMARSH ENVIRONMENTAL LTD£014 May 2026pending
Waste Tankering and Cleaning ServicesBIOMARSH ENVIRONMENTAL LTD£014 May 2026pending
Waste Tankering and Cleaning ServicesCELTIC VACUUM LIMITED£014 May 2026pending
Waste Tankering and Cleaning ServicesCELTIC VACUUM LIMITED£014 May 2026pending
Waste Tankering and Cleaning ServicesCIVIL SAFETY DRAINAGE LIMITED£014 May 2026pending
Showing 110 of 610

Top suppliers · by total award value

Ranked by cumulative awarded value. YoY = last 12 months vs prior 12 months.

1
BL
3 contracts
£1.5bnest.
5% of total
2
MW
2 contracts · SME
£1.5bnest.
5% of total
3
NP
£1.0bnest.
4% of total
4
JU
£811.0mest.
3% of total
5
MM
£811.0mest.
3% of total
6
AC
£686.0mest.
2% of total
7
TT
£686.0mest.
2% of total
8
BU
£601.2mest.
2% of total
9426
···
418 other suppliers
long tail · 245 SMEs
£21.3bn
74% of total
various

Category spend breakdown

By CPV division · lifetime awards

Construction works
52 contracts
£22.9bn
49%
Petroleum, fuel, energy
5 contracts
£6.0bn
13%
Financial, insurance
43 contracts
£5.6bn
12%
Architecture, engineering
12 contracts
£3.6bn
8%
Other
344 contracts
£3.5bn
7%
Public utilities
10 contracts
£3.0bn
6%
Transport equipment, vehicles
21 contracts
£1.7bn
4%
Construction materials
15 contracts
£458.2m
1%

Activity heatmap

Award volume by CPV division × month. Darker = more £ awarded.

Jul
Aug
Sept
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Construction works
Petroleum, fuel, energy
Financial, insurance
Architecture, engineering
Other
75
5
207
Public utilities
LessMore (£m awarded)

Commercial & procurement leadership

Who signs off contracts, owns frameworks and runs SME engagement.

Coming Q3 2026

Curated leadership roster

Chief commercial officer, framework owners, SME lead and clinical sign-offs per buyer. Top-50 contracting authorities first, rolling out by sector.

Modifications · 2 in 90 d

Variations logged under Procurement Act 2023 s.74. Above-tolerance modifications attract a flag.

Coming Q3 2026

Per-modification s.74 classification + tolerance flagging

We see 2 notices tagged with a modification flag in the last 90 d. Next phase parses each one against PA 2023 s.74 limbs and surfaces above-tolerance flags.

Compliance & transparency

FOIA performance, statutory disclosures & prompt payment.

Coming Q4 2026

FOIA & prompt-payment ingestion

Notice timeliness and modification flags are derivable today. FOIA refusal rate, prompt-payment %, KPI reporting and net-zero plans need new data sources — work scoped, ingestion next quarter.

SME & social value

Performance against Cabinet Office targets & PPN 06/20.

55%
SME supplier share
target 33%
269
SME award rows
0
VCSE award rows
426
Distinct suppliers

Peer benchmark

vs other buyers in the same type. Highlighted row = this buyer.

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Compare against the peer group

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News mentions

Major UK press & trade publications.

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Article previews are free with an account — the underlying data is gated to satisfy publisher agreements.

Statutory & accountability

Legal status, identifiers & accountable officers.

Identifiers & contact

Type
Contracting authority
Region
UKJ11
Companies House
02366661
Contact
Thames Water
Email
procurement.support.centre@thameswater.co.uk

Board & accountable officers

Coming Q3 2026

Accountable officer + board roster

Pulled from gov.uk for arm's-length bodies and from Companies House for company-form buyers — chair, CEO, SRO and sign-off authority per contract band.

Resources

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