opendata.bot
Company number
03642304

DMM HEALTH LTD.

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
DMM HEALTH LTD.
Company number
03642304
Registered office
4TH FLOOR FITZROVIA HOUSE, 153-157 CLEVELAND STREET, LONDON, W1T 6QW · 423 other companies at this postcode
Company type
Private Limited Company
Incorporated on
1 October 1998
Status
Active
Age
27 years
Nature of business (SIC)
86210 — General medical practice activities
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
19 Jun 2027
Confirmation statement — last
05 Jun 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

Mr David Michael Mackinnon
owns 25–50% of shares
Notified 30/09/2016
Mrs Helen Marie Mordaunt
owns 50–75% of shares (through a firm) · holds 50–75% of voting rights (through a firm) · can appoint and remove directors (through a firm)
Notified 31/01/2023
Mrs Joan Ailsa Mackinnon
has significant influence or control
Notified 30/09/2016

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Mrs Helen Marie Mordaunt
born 01/1974 · England owns 50–75% of shares · holds 50–75% of votes · can appoint and remove directors Notified 31/01/2023 Controls 4 companies
Mr David Michael Mackinnon
born 07/1931 · England owns 25–50% of shares Control ended 29/08/2021 Controls 2 companies
Mrs Joan Ailsa Mackinnon
born 09/1936 · England has significant influence or control Control ended 31/01/2023

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
31/01/2023 Person with significant control ceased Mrs Joan Ailsa Mackinnon
31/01/2023 Person with significant control added Mrs Helen Marie Mordaunt
29/08/2021 Person with significant control ceased Mr David Michael Mackinnon
30/09/2016 Person with significant control added Mrs Joan Ailsa Mackinnon
30/09/2016 Person with significant control added Mr David Michael Mackinnon

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2024FY2023
Total assets less current liabilities 800
▼ 1.2%
810
Net assets 800
▼ 1.2%
810
Employees (avg) 5 5

Documents for DMM HEALTH LTD.

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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.

PDF Order

Data protection register

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

Dmm Health Ltd. — W1T 6QW
Tier 1 · renews 25/08/2027
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

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

GET /v1/company/gb/03642304
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of DMM HEALTH LTD.?
According to the official registry, the company number of DMM HEALTH LTD. is 03642304.
Where is DMM HEALTH LTD. registered?
The registered office is 4TH FLOOR FITZROVIA HOUSE, 153-157 CLEVELAND STREET, LONDON, W1T 6QW.
What is the SIC code of DMM HEALTH LTD.?
The nature of business is recorded under SIC code 86210 — General medical practice activities.
Who controls DMM HEALTH LTD.?
Mr David Michael Mackinnon is recorded as a person with significant control, and owns 25–50% of shares.
When are the next accounts of DMM HEALTH LTD. due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About DMM HEALTH LTD. (03642304)

DMM HEALTH LTD. is a private limited company incorporated on 1 October 1998 and registered in the United Kingdom under company number 03642304. Its registered office is at 4TH FLOOR FITZROVIA HOUSE, 153-157 CLEVELAND STREET, LONDON, W1T 6QW. The recorded nature of business is general medical practice activities (SIC 86210). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Mr David Michael Mackinnon. 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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