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Company number
13962147

ASI LONDON S LIMITED

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

Company details

London, 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
ASI LONDON S LIMITED
Company number
13962147
Registered office
1 WELBECK STREET, LONDON, W1G 0AR, UNITED KINGDOM · 53 other companies at this postcode
Company type
Private Limited Company
Incorporated on
8 March 2022
Status
Active
Age
4 years
Previous names
ONEWELBECK LONDON S LIMITED (to 11 Mar 2022)
Nature of business (SIC)
86220 — Specialists medical practice activities
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
24 Nov 2026
Confirmation statement — last
10 Nov 2025

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

Ambulatory Surgery International Ltd
owns 75–100% of shares
Notified 08/03/2022

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 08/03/2022 Controls 12 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
11/03/2022 Registered name changed ONEWELBECK LONDON S LIMITED ASI LONDON S LIMITED
08/03/2022 Person with significant control added Ambulatory Surgery International Ltd

Documents for ASI LONDON S LIMITED

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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.

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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.

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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.

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Data protection register

Registered with the Information Commissioner's Office as a data protection fee payer.

ASI London S Limited — W1G 0AR
Trading as OneWelbeck Health Assessment & Longevity
Tier 2 · renews 08/03/2027
ICO entry

The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.

Get this company via API

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Frequently asked questions

What is the company number of ASI LONDON S LIMITED?
According to the official registry, the company number of ASI LONDON S LIMITED is 13962147.
Where is ASI LONDON S LIMITED registered?
The registered office is 1 WELBECK STREET, LONDON, W1G 0AR, UNITED KINGDOM.
What is the SIC code of ASI LONDON S LIMITED?
The nature of business is recorded under SIC code 86220 — Specialists medical practice activities.
Who controls ASI LONDON S LIMITED?
Ambulatory Surgery International Ltd is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of ASI LONDON S LIMITED due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About ASI LONDON S LIMITED (13962147)

ASI LONDON S LIMITED is a private limited company incorporated on 8 March 2022 and registered in the United Kingdom under company number 13962147. Its registered office is at 1 WELBECK STREET, LONDON, W1G 0AR, UNITED KINGDOM. The recorded nature of business is specialists medical practice activities (SIC 86220). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Ambulatory Surgery International Ltd. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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