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CWL

UK PUBLIC-SECTOR SUPPLIER

Companies House SC475583 · United Kingdom

Castle Water Limited

Castle Water Limited is a supplier to UK public-sector buyers. This profile aggregates its public-record contract wins — who it sells to, what it supplies, latest awards and activity over time.

Data period: 2018-01-04 to 2026-10-17Updated 2026-10-17

45

Contracts won

38

Public buyers

7

Categories

2018

Active since

According to ENKII, Castle Water Limited has won 45 UK public-sector contracts from 38 public buyers across 7 procurement categories between 2018-01-04 and 2026-10-17, most recently working with Ministry of Defence.

Public-sector buyers

Who Castle Water Limited supplies

The UK public bodies Castle Water Limited has won the most contracts from.

BuyerContracts won
Ministry of Defence1
Ministry of Defence1
Department for Work and Pensions1
Crown Commercial Service1
Luton Council1
Brighton & Hove City Council1
East and North Hertfordshire NHS Trust3
GOVERNMENT PROPERTY AGENCY1
South Yorkshire Police Headquarters2
North East Lincolnshire Council1

What they supply

Castle Water Limited's public-sector categories

Common Procurement Vocabulary (CPV) breakdown of contracts won over the reporting period.

Public utilities

65
33 contracts won

Architectural, construction, engineering and inspection services

71
5 contracts won

Chemical products

24
2 contracts won

Construction structures and materials; auxiliary products to construction (except electric apparatus)

44
2 contracts won

Electrical machinery, apparatus, equipment and consumables; lighting

31
1 contract won

Construction work

45
1 contract won

Sewage, refuse, cleaning and environmental services

90
1 contract won

Recent contracts

Latest contracts won by Castle Water Limited

The most recently published award notices on Find a Tender and Contracts Finder.

Water and Waste Water Supply

Surrey Heath Borough Council · 2025-12-15

£250K

Water supply to WFH, BCH and PVC - Castle Water Ltd

BIRMINGHAM WOMEN'S AND CHILDREN'S NHS FOUNDATION TRUST · 2025-08-30

£175K

Water Supply and Services Framework

Framework / DPS

Surrey County Council · 2025-04-14

Framework value not attributable

Provision of Water and Wastewater Billing Services Including the Provision of AM

Crown Commercial Service · 2024-11-19

£3.6M

Water, Wastewater and Ancillary Services

University of Lincoln · 2024-08-20

£1.2M

SUPPLY OF WATER AND WASTEWATER SERVICES

THE UNIVERSITY OF WESTMINSTER · 2023-07-20

Water Procurement (Landlord Supply)

Places for People · 2023-04-03

£1.5M

Water Procurement (Landlord Supply)

Places for People · 2023-04-03

£1.5M

Supply of Water and Associated Services

Leicestershire County Council · 2023-03-30

£515K

Supply of Water, Wastewater and Ancillary Services to MOD sites in England

Ministry of Defence · 2023-03-20

£10.3M

IS THIS YOUR COMPANY?

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Activity over time

Castle Water Limited's public-sector activity by year

Contracts won per year, by published award date.

YearContracts won
20185
20199
20206
202110
20222
20238
20242
20253

Frequently asked

Common questions about Castle Water Limited

How many public-sector contracts has Castle Water Limited won?

Castle Water Limited has won 45 contracts from 38 UK public-sector buyers between 2018-01-04 and 2026-10-17, across 7 procurement categories.

Which public bodies does Castle Water Limited supply?

Castle Water Limited's largest public-sector buyers by award value are Ministry of Defence, Ministry of Defence, Department for Work and Pensions. It has worked with 38 public buyers in total.

What does Castle Water Limited supply to the public sector?

Castle Water Limited's public-sector work is concentrated in public utilities, architectural, construction, engineering and inspection services, chemical products. See the full CPV category breakdown below.

Is Castle Water Limited a competitor for contracts my business wants?

If you bid for similar work, Castle Water Limited may be an incumbent you're competing against. ENKII scores your business against live tenders, shows the incumbents on each one, and identifies the certifications you need to compete. Free Readiness Score in 3 minutes.

Continue reading

Related ENKII resources

Sources & methodology

How this profile is compiled

Analysed by ENKII · Updated 2026-10-17

This profile aggregates public-record award data published by the UK Government under the Open Government Licence v3.0. ENKII fetches, deduplicates, and resolves supplier identities (this profile is matched at high confidence); we don't edit the underlying facts.

Source portals

  • · Find a Tender (find-tender.service.gov.uk)
  • · Contracts Finder
Full methodology — calculations, refresh cadence & caveats

This profile reproduces public-record award data published by UK government buyers; ENKII aggregates but does not alter the underlying facts. Source records remain subject to Open Government Licence v3.0 attribution. ENKII doesn't warrant accuracy beyond the source portals' own publication.

Spotted an error, or want this profile corrected or removed? Contact hello@enkii.io and we'll review it promptly.

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