Annual accounts
Full accounts
28/02/2027Filing deadline
Made up to 31/05/2025Due 28/02/2027
- Next accounts made up to
- 31/05/2026
- Last accounts made up to
- 31/05/2025
DIOMED DEVELOPMENTS LIMITED
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- Haslers, Old Station Road, Loughton, Essex IG10 4PL
- Classification (SIC)
- Manufacture of basic pharmaceutical products (21.10 - SIC 2007)
- Accounts type
- Full
Company activity
The 4 most recent documents filed at Companies House.
Pre-Score for UK companies is coming soon
- 25/02/2026View PDF (33 pages)
Full accounts made up to 2025-05-31
- 01/12/2025View PDF (5 pages)
Confirmation statement made on 2025-11-23 with updates
- 28/02/2025View PDF (44 pages)
Group of companies' accounts made up to 2024-05-31
- 09/12/2024View PDF (5 pages)
Confirmation statement made on 2024-11-23 with updates
Coming soon
What Pre-Score will tell you
- Whether the filed accounts are strengthening or weakening year on year.
- Whether this company files on time, and how often its record changes.
- How its officers and controlling parties connect to other UK companies.
Accounts and confirmation statement
The two filings Companies House requires every year, and where each one stands against its deadline today.
On schedule
Confirmation statement
Confirms the registry record is up to date
07/12/2026Filing deadline
Last statement 23/11/2025Due 07/12/2026
- Next statement date
- 23/11/2026
- Last statement dated
- 23/11/2025
Financial performance
The latest figures DIOMED DEVELOPMENTS LIMITED filed. Okredo holds filed accounts data for 2021–2025; the year-by-year record is on the financials page.
Net Assets
£15.70M2025
-39.14%vs 20242024: £25.79M
Total Assets
£25.30M2025
-26.26%vs 20242024: £34.31M
Cash in Bank
£16.20M2025
6.27%vs 20242024: £15.25M
Total Liabilities
£9.54M2025
17.51%vs 20242024: £8.12M
Employees
62025
0vs 20242024: 6
Of the 4 measures with an earlier filing to compare against, 2 rose and 2 fell. Net assets moved furthest, down 39.14% on 2024. See the full financial analysis for DIOMED DEVELOPMENTS LIMITED.
The full financial record
Four ways through DIOMED DEVELOPMENTS LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Net Assets · -20.4% a year (CAGR)Three-year trend, 2023–2025Every measure end to end across 2023, 2024 and 2025, with the compound rate behind each one.See what moved5 chartsCharts by indicator5 filed indicators plotted year by year, 2021–2025.Plot the figuresNothing estimatedRatios from the filed figures5 ratios computed from this company's own reported amounts, each shown against the year it was derived from.Check the ratios5 × 5 yearsEvery figure by yearAll 5 measures Okredo tracks across 5 reported years, exactly as filed.Open the table
Employees
Headcount as reported to Companies House for 2021–2025.
| Year | Employees | Change |
|---|---|---|
| 2025 | 6 | 0 |
| 2024 | 6 | 0 |
| 2023 | 6 | -1 |
| 2022 | 7 | 0 |
| 2021 | 7 | – |
Reported employee count decreased from 7 in 2021 to 6 in 2025. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
- Company potential
- Risk indicators
- Past performance
- Future prospects
Officers
3Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 24/05/2006–Present | 2 | |
| Director | 01/06/2016–Present | 8 | |
| Secretary | 01/11/2005–Present | 1 |
Persons with significant control
4Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 06/04/2016–Present | 15 | |
| 16/07/2024–Present | 2 | |
| 16/07/2024–16/07/2024 | 2 | |
| 16/07/2024–16/07/2024 | 1 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 31
- Since 10/12/1986
- Last 12 months
- 2
- Same as the year before (2)
- Most recent filing
- 25/02/2026
- 7 months ago
What changed in the last year
- Accounts filedLatest 25/02/2026
- Confirmation statementLatest 01/12/2025
Filing timeline
- 25/02/2026View PDF (33 pages)
Full accounts made up to 2025-05-31
- 01/12/2025View PDF (5 pages)
Confirmation statement made on 2025-11-23 with updates
- 28/02/2025View PDF (44 pages)
Group of companies' accounts made up to 2024-05-31
- 09/12/2024View PDF (5 pages)
Confirmation statement made on 2024-11-23 with updates
- 17/07/2024View PDF (1 pages)
Cessation of Michael Jonathan Yarrow as a person with significant control on 2024-07-16
- 17/07/2024View PDF (2 pages)
Notification of Diomed Group Holdings Limited as a person with significant control on 2024-07-16
- 17/07/2024View PDF (1 pages)
Cessation of Diomed Group Holdings Limited as a person with significant control on 2024-07-16
- 17/07/2024View PDF (2 pages)
Notification of June24 Holdings Limited as a person with significant control on 2024-07-16
- 17/07/2024View PDF (1 pages)
Cessation of June24 Holdings Limited as a person with significant control on 2024-07-16
- 17/07/2024View PDF (2 pages)
Notification of Diomed Group Holdings Limited as a person with significant control on 2024-07-16
- 09/07/2024View PDF (2 pages)
Change of share class name or designation
- 27/02/2024View PDF (47 pages)
Group of companies' accounts made up to 2023-05-31
Showing 12 of 31 filings
See when the next accounts and confirmation statement are due
Similar companies
13 UK companies are similar to DIOMED DEVELOPMENTS LIMITED, sharing the same company status (Active), the same industry sector and activity group (Manufacture of basic pharmaceutical products) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.
BIOPROJET UK LIMITED
ActiveUnit B, Stanley Court Glenmore Business Park, Telford Road, Churchfields, Salisbury SP2 7GH
- Activity
- Manufacture of basic pharmaceutical products
- Company no.
- 04017405
- Incorporated
- 14/06/2000
- Employees
- 6
BIOLOGIX LABORATORIES LIMITED
ActiveUnit 2 Fordham House, Fordham, Ely, Cambridgeshire CB7 5LL
- Activity
- Manufacture of basic pharmaceutical products
- Company no.
- 04480516
- Incorporated
- 09/07/2002
- Employees
- 5
LPC MEDICAL (UK) LIMITED
ActiveC/O SNK INVESTMENTS LLP, Unit 3 Nursery Court, Kibworth Business Park, Kibworth, Leicesteshire LE8 0EX
- Activity
- Manufacture of pharmaceutical preparations
- Company no.
- 04315433
- Incorporated
- 01/11/2001
- Employees
- 6
HALEWOOD CHEMICALS LTD
ActiveThe Mill, Horton Road, Stanwell Moor,, Staines,, Middlesex, TW19 6BJ
- Activity
- Manufacture of pharmaceutical preparations
- Company no.
- 00499508
- Incorporated
- 19/09/1951
- Employees
- 5
ROCKET SCIENCE NUTRITION LIMITED
ActiveUnit 1 Wilmot Hall, Golden Butts Road, Ilkley LS29 8HS
- Activity
- Manufacture of basic pharmaceutical products
- Company no.
- 13463861
- Incorporated
- 18/06/2021
- Employees
- 7
About DIOMED DEVELOPMENTS LIMITED
A short description of the company, written from its Companies House record.
DIOMED DEVELOPMENTS LIMITED is a private limited company registered in the United Kingdom, based in Haslers, Old Station Road, Loughton, Essex IG10 4PL. Companies House classifies its business as Manufacture of basic pharmaceutical products. It has been on the register for 63 years 9 months.
The register currently records it as active. Its 2025 accounts report net assets of £15.70M and 6 employees.
DIOMED DEVELOPMENTS LIMITED: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records DIOMED DEVELOPMENTS LIMITED under one registered business activity: Manufacture of basic pharmaceutical products (21.10 - SIC 2007).
DIOMED DEVELOPMENTS LIMITED is recorded as active on the Companies House register, and has been on it since 02/01/1963.
The most recent accounts Okredo holds cover 2025 and report net assets of £15.70M, total assets of £25.30M, cash in bank of £16.20M and total liabilities of £9.54M.
The most recent document on the record is dated 25/02/2026: Full accounts made up to 2025-05-31, 7 months ago.
On the current registry record, accounts are due by 28/02/2027 and the next confirmation statement is due by 07/12/2026.
Companies House lists 3 officers and 4 people with significant control (2 current).