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Company number
00745839

DIOMED DEVELOPMENTS LIMITED

Active
✓ Active company on the official register. Next accounts due 28 February 2027.

Company details

Registered name
DIOMED DEVELOPMENTS LIMITED
Company number
00745839
Registered office
HASLERS, OLD STATION ROAD, LOUGHTON, ESSEX, IG10 4PL
Company type
Private Limited Company
Incorporated on
2 January 1963
Status
Active
Age
63 years
Nature of business (SIC)
21100 — Manufacture of basic pharmaceutical products
Accounts — next due
28 Feb 2027
Accounts — last made up to
31 May 2025
Confirmation statement — next due
07 Dec 2026
Confirmation statement — last
23 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

Diomed Group Holdings Limited
ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors
Notified 16/07/2024
Diomed Group Holdings Limited
ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors
Notified 16/07/2024
June24 Holdings Limited
ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors
Notified 16/07/2024
Mr Michael Jonathan Yarrow
ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Notified 16/07/2024 Controls 3 companies
Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 16/07/2024 Controls 3 companies
June24 Holdings Limited
owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 16/07/2024 Controls 2 companies
Mr Michael Jonathan Yarrow
born 12/1947 · England owns 75–100% of shares · holds 75–100% of votes Control ended 16/07/2024 Controls 6 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
16/07/2024 Person with significant control ceased Mr Michael Jonathan Yarrow
16/07/2024 Person with significant control ceased June24 Holdings Limited
16/07/2024 Person with significant control ceased Diomed Group Holdings Limited
16/07/2024 Person with significant control added June24 Holdings Limited
16/07/2024 Person with significant control added Diomed Group Holdings Limited
16/07/2024 Person with significant control added Diomed Group Holdings Limited
06/04/2016 Person with significant control added Mr Michael Jonathan Yarrow

Documents for DIOMED DEVELOPMENTS 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.

PDF Order

Data protection register

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

Diomed Developments Ltd — IG10 4PL
Tier 1 · renews 19/11/2026
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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GET /v1/company/gb/00745839
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of DIOMED DEVELOPMENTS LIMITED?
According to the official registry, the company number of DIOMED DEVELOPMENTS LIMITED is 00745839.
Where is DIOMED DEVELOPMENTS LIMITED registered?
The registered office is HASLERS, OLD STATION ROAD, LOUGHTON, ESSEX, IG10 4PL.
What is the SIC code of DIOMED DEVELOPMENTS LIMITED?
The nature of business is recorded under SIC code 21100 — Manufacture of basic pharmaceutical products.
Who controls DIOMED DEVELOPMENTS LIMITED?
Diomed Group Holdings Limited is recorded as a person with significant control, with ownership of shares 75 to 100 percent, voting rights 75 to 100 percent, right to appoint and remove directors.
When are the next accounts of DIOMED DEVELOPMENTS LIMITED due?
The next annual accounts are due by 28 February 2027, and the last accounts were made up to 31 May 2025.

About DIOMED DEVELOPMENTS LIMITED (00745839)

DIOMED DEVELOPMENTS LIMITED is a private limited company incorporated on 2 January 1963 and registered in the United Kingdom under company number 00745839. Its registered office is at HASLERS, OLD STATION ROAD, LOUGHTON, ESSEX, IG10 4PL. The recorded nature of business is manufacture of basic pharmaceutical products (SIC 21100). The company is currently active , with statutory accounts last made up to 31 May 2025. , and the person with significant control is Diomed Group Holdings Limited. 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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