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Company number
11544404

AASSM LIMITED

Active
✓ Active company on the official register. Next accounts due 31 December 2027.

Company details

Registered name
AASSM LIMITED
Company number
11544404
Registered office
5 MARKET YARD MEWS, 194-204 BERMONDSEY STREET, LONDON, SE1 3TQ, UNITED KINGDOM
Company type
Private Limited Company
Incorporated on
30 August 2018
Status
Active
Age
8 years
Previous names
LONG HARBOUR PARTNERS LTD (to 04 Feb 2022)
Nature of business (SIC)
70229 — Management consultancy activities other than financial management
Accounts — next due
31 Dec 2027
Accounts — last made up to
31 Mar 2026
Confirmation statement — next due
12 Sept 2026
Confirmation statement — last
29 Aug 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

James Aumonier
ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent
Notified 30/08/2018
William Waldorf Astor
ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent
Notified 30/08/2018

Corporate structure

Who controls this company, and who they control in turn

2 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

James Aumonier
born 02/1978 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Notified 30/08/2018
William Waldorf Astor
born 01/1979 · England owns 25–50% of shares · holds 25–50% of votes Notified 30/08/2018

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
04/02/2022 Registered name changed LONG HARBOUR PARTNERS LTD AASSM LIMITED
30/08/2018 Person with significant control added William Waldorf Astor
30/08/2018 Person with significant control added James Aumonier

Documents for AASSM 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

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

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Get this company via API

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GET /v1/company/gb/11544404
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Read the API docs

Frequently asked questions

What is the company number of AASSM LIMITED?
According to the official registry, the company number of AASSM LIMITED is 11544404.
Where is AASSM LIMITED registered?
The registered office is 5 MARKET YARD MEWS, 194-204 BERMONDSEY STREET, LONDON, SE1 3TQ, UNITED KINGDOM.
What is the SIC code of AASSM LIMITED?
The nature of business is recorded under SIC code 70229 — Management consultancy activities other than financial management.
Who controls AASSM LIMITED?
James Aumonier is recorded as a person with significant control, with ownership of shares 25 to 50 percent, voting rights 25 to 50 percent.
When are the next accounts of AASSM LIMITED due?
The next annual accounts are due by 31 December 2027, and the last accounts were made up to 31 March 2026.

About AASSM LIMITED (11544404)

AASSM LIMITED is a private limited company incorporated on 30 August 2018 and registered in the United Kingdom under company number 11544404. Its registered office is at 5 MARKET YARD MEWS, 194-204 BERMONDSEY STREET, LONDON, SE1 3TQ, UNITED KINGDOM. The recorded nature of business is management consultancy activities other than financial management (SIC 70229). The company is currently active , with statutory accounts last made up to 31 March 2026. , and the person with significant control is James Aumonier. 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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