Annual accounts
Group accounts
30/09/2027Filing deadline
Made up to 31/12/2025Due 30/09/2027
- Next accounts made up to
- 31/12/2026
- Last accounts made up to
- 31/12/2025
ISDI LIMITED
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- Highgate Business Centre, 33 Greenwood Place, London NW5 1LB
- Classification (2 SIC codes)
- Manufacture of electronic components (26.11 - SIC 2007)Other research and experimental development on natural sciences and engineering (72.19 - SIC 2007)
- Accounts type
- Group
Company activity
The 4 most recent documents filed at Companies House.
Pre-Score for UK companies is coming soon
- 25/03/2026View PDF (2 pages)
Change of details for Mr Thalis Anaxagoras as a person with significant control on 2024-03-24
- 24/03/2026View PDF (2 pages)
Change of details for Mr Thalis Anaxagoras as a person with significant control on 2024-03-24
- 24/03/2026View PDF (2 pages)
Change of details for Mr Edward Frederick Bullard as a person with significant control on 2025-01-07
- 17/02/2026View PDF (1 pages)
Previous accounting period shortened from 2026-05-31 to 2025-12-31
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
17/08/2027Filing deadline
Last statement 03/08/2026Due 17/08/2027
- Next statement date
- 03/08/2027
- Last statement dated
- 03/08/2026
Financial performance
The latest figures ISDI LIMITED filed. Okredo holds filed accounts data for 2021–2025; the year-by-year record is on the financials page.
Net Assets
£7.61M2025
10.39%vs 20242024: £6.89M
Total Assets
£14.88M2025
-13.24%vs 20242024: £17.15M
Cash in Bank
£235.32K2025
22.28%vs 20242024: £192.44K
Total Liabilities
£6.05M2025
-33.50%vs 20242024: £9.10M
Employees
322025
-1vs 20242024: 33
Of the 4 measures with an earlier filing to compare against, 2 rose and 2 fell. Total liabilities moved furthest, down 33.50% on 2024. See the full financial analysis for ISDI LIMITED.
The full financial record
Four ways through ISDI LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Net Assets · +10.7% 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 figures4 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 | 32 | -1 |
| 2024 | 33 | +5 |
| 2023 | 28 | +10 |
| 2022 | 18 | +6 |
| 2021 | 12 | – |
Reported employee count increased from 12 in 2021 to 32 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
10Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 29/07/2019–Present | 2 | |
| Director | 25/11/2010–06/06/2011 | 20 | |
| Director | 07/07/2011–Present | 2 | |
| Director | 14/07/2010–25/11/2010 | 21 | |
| Director | 11/05/2011–14/11/2011 | 2 | |
| Director | 14/02/2014–29/11/2018 | 2 | |
| Director | 16/04/2024–Present | 0 | |
| Director | 07/07/2011–07/02/2012 | 0 | |
| Director | 12/05/2017–Present | 0 | |
| Director | 01/02/2013–Present | 20 |
Persons with significant control
4Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 16/04/2024–21/05/2024 | 0 | |
| 16/04/2024–Present | 0 | |
| 06/04/2016–Present | 20 | |
| 06/04/2016–Present | 2 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 20
- Since 20/12/2022
- Last 12 months
- 5
- +1 vs the year before
- Most recent filing
- 25/03/2026
- 6 months ago
What changed in the last year
- Officer changes (3)Latest 25/03/2026
- Accounts filedLatest 20/11/2025
Filing timeline
- 25/03/2026View PDF (2 pages)
Change of details for Mr Thalis Anaxagoras as a person with significant control on 2024-03-24
- 24/03/2026View PDF (2 pages)
Change of details for Mr Thalis Anaxagoras as a person with significant control on 2024-03-24
- 24/03/2026View PDF (2 pages)
Change of details for Mr Edward Frederick Bullard as a person with significant control on 2025-01-07
- 17/02/2026View PDF (1 pages)
Previous accounting period shortened from 2026-05-31 to 2025-12-31
- 20/11/2025View PDF (30 pages)
Group of companies' accounts made up to 2025-05-31
- 11/08/2025View PDF (2 pages)
Director's details changed for Mr Edward Frederick Bullard on 2025-01-07
- 11/08/2025View PDF (2 pages)
Director's details changed for Dr Thalis Anaxagoras on 2024-03-24
- 07/08/2025View PDF (3 pages)
Confirmation statement made on 2025-08-03 with no updates
- 14/10/2024View PDF (29 pages)
Group of companies' accounts made up to 2024-05-31
- 26/08/2024View PDF (5 pages)
Confirmation statement made on 2024-08-03 with updates
- 23/05/2024View PDF (1 pages)
Cessation of Liu Jianqiang as a person with significant control on 2024-05-21
- 09/05/2024View PDF (2 pages)
Notification of Liu Jianqiang as a person with significant control on 2024-04-16
Showing 12 of 20 filings
See when the next accounts and confirmation statement are due
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44 UK companies are similar to ISDI LIMITED, sharing the same company status (Active), the same industry sector and activity group (Manufacture of electronic components) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.
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- Employees
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AXLE WEIGHT TECHNOLOGY LIMITED
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BAY PHOTONICS LTD
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About ISDI LIMITED
A short description of the company, written from its Companies House record.
ISDI LIMITED is a private limited company registered in the United Kingdom, based in Highgate Business Centre, 33 Greenwood Place, London NW5 1LB. Companies House classifies its business as Manufacture of electronic components, one of 2 SIC classifications on its record. It has been on the register for 16 years 2 months.
The register currently records it as active. Its 2025 accounts report net assets of £7.61M and 32 employees.
ISDI LIMITED: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records ISDI LIMITED under 2 registered business activities: Manufacture of electronic components (26.11 - SIC 2007) and Other research and experimental development on natural sciences and engineering (72.19 - SIC 2007).
ISDI LIMITED is recorded as active on the Companies House register, and has been on it since 14/07/2010.
The most recent accounts Okredo holds cover 2025 and report net assets of £7.61M, total assets of £14.88M, cash in bank of £235.32K and total liabilities of £6.05M.
The most recent document on the record is dated 25/03/2026: Change of details for Mr Thalis Anaxagoras as a person with significant control on 2024-03-24, 6 months ago.
On the current registry record, accounts are due by 30/09/2027 and the next confirmation statement is due by 17/08/2027.
Companies House lists 10 officers (5 currently in post) and 4 people with significant control (3 current).