opendata.bot
Company number
10082776

WELSH WATER INFRASTRUCTURE LIMITED

Active
✓ Active company on the official register. Next accounts due 31 December 2026.

Company details

Registered name
WELSH WATER INFRASTRUCTURE LIMITED
Company number
10082776
Registered office
DWR CYMRU WELSH WATER LINEA, FORTRAN ROAD, ST. MELLONS, CARDIFF, CF3 0LT, WALES
Company type
Private Limited Company
Incorporated on
24 March 2016
Status
Active
Age
10 years
Previous names
GLAS CYMRU NEWCO 2 CYFYNGEDIG (to 21 Dec 2016)
Nature of business (SIC)
36000 — Water collection, treatment and supply · 37000 — Sewerage
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
06 Apr 2027
Confirmation statement — last
23 Mar 2026

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Welsh Water Holdings Limited
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Corporate owner owns 75–100% of shares Notified 06/04/2016 Controls 3 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
21/12/2016 Registered name changed GLAS CYMRU NEWCO 2 CYFYNGEDIG WELSH WATER INFRASTRUCTURE LIMITED
06/04/2016 Person with significant control added Welsh Water Holdings Limited

Documents for WELSH WATER INFRASTRUCTURE LIMITED

Need this one company on file? Buy the document on its own — no plan required.

Company extract£1.99

The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.

PDF Order
Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

PDF + CSV Order
Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Data protection register

No entry found on the ICO register of fee payers under this name.

Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.

Get this company via API

Every field on this page is available as structured JSON behind one endpoint and one API key.

GET /v1/company/gb/10082776
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of WELSH WATER INFRASTRUCTURE LIMITED?
According to the official registry, the company number of WELSH WATER INFRASTRUCTURE LIMITED is 10082776.
Where is WELSH WATER INFRASTRUCTURE LIMITED registered?
The registered office is DWR CYMRU WELSH WATER LINEA, FORTRAN ROAD, ST. MELLONS, CARDIFF, CF3 0LT, WALES.
What is the SIC code of WELSH WATER INFRASTRUCTURE LIMITED?
The nature of business is recorded under SIC code 36000 — Water collection, treatment and supply, 37000 — Sewerage.
Who controls WELSH WATER INFRASTRUCTURE LIMITED?
Welsh Water Holdings Limited is recorded as a person with significant control.
When are the next accounts of WELSH WATER INFRASTRUCTURE LIMITED due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About WELSH WATER INFRASTRUCTURE LIMITED (10082776)

WELSH WATER INFRASTRUCTURE LIMITED is a private limited company incorporated on 24 March 2016 and registered in the United Kingdom under company number 10082776. Its registered office is at DWR CYMRU WELSH WATER LINEA, FORTRAN ROAD, ST. MELLONS, CARDIFF, CF3 0LT, WALES. The recorded nature of business is water collection, treatment and supply (SIC 36000). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Welsh Water Holdings Limited. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

Companies at the same registered office

Water collection, treatment and supply across UK registers

The same sector and the same company, seen through every register we hold

Explore by sector

Every UK company records what it does as a SIC code — browse the sectors around this one.