opendata.bot
Company number
16405799

OPAL HOLDCO 1.5 LIMITED

Active
✓ Active company on the official register. Next accounts due 30 September 2026.

Company details

South East, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
OPAL HOLDCO 1.5 LIMITED
Company number
16405799
Registered office
410 THAMES VALLEY PARK DRIVE, READING, BERKSHIRE, RG6 1PT, UNITED KINGDOM · 226 other companies at this postcode
Company type
Private Limited Company
Incorporated on
24 April 2025
Status
Active
Age
1 year
Nature of business (SIC)
64209 — Activities of other holding companies n.e.c.
Accounts — next due
30 Sept 2026
Confirmation statement — next due
07 May 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

Sanofi Sa
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 30/04/2025

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

Sanofi Sa name only
owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Notified 30/04/2025 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
30/04/2025 Person with significant control added Sanofi Sa

Documents for OPAL HOLDCO 1.5 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/16405799
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of OPAL HOLDCO 1.5 LIMITED?
According to the official registry, the company number of OPAL HOLDCO 1.5 LIMITED is 16405799.
Where is OPAL HOLDCO 1.5 LIMITED registered?
The registered office is 410 THAMES VALLEY PARK DRIVE, READING, BERKSHIRE, RG6 1PT, UNITED KINGDOM.
What is the SIC code of OPAL HOLDCO 1.5 LIMITED?
The nature of business is recorded under SIC code 64209 — Activities of other holding companies n.e.c..
Who controls OPAL HOLDCO 1.5 LIMITED?
Sanofi Sa is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights, can appoint and remove directors.
When are the next accounts of OPAL HOLDCO 1.5 LIMITED due?
The next annual accounts are due by 30 September 2026.

About OPAL HOLDCO 1.5 LIMITED (16405799)

OPAL HOLDCO 1.5 LIMITED is a private limited company incorporated on 24 April 2025 and registered in the United Kingdom under company number 16405799. Its registered office is at 410 THAMES VALLEY PARK DRIVE, READING, BERKSHIRE, RG6 1PT, UNITED KINGDOM. The recorded nature of business is activities of other holding companies n.e.c. (SIC 64209). The company is currently active . , and the person with significant control is Sanofi Sa. 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

Activities of other holding companies n.e.c. 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.