Annual accounts
Total Exemption Full 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
DIAMOND ELECTRONIC SYSTEMS LIMITED
ActiveRegistry details
Reference data exactly as held at Companies House.
Copy registry details
- Registered office
- Unit 1a Harbour Court, 5 Heron Road, Belfast BT3 9HB
- Classification (SIC)
- Security systems service activities (80.20 - SIC 2007)
- Accounts type
- Total Exemption Full
Company activity
Every document filed at Companies House for this company.
Pre-Score for UK companies is coming soon
- 08/05/2026View PDF (10 pages)
Total exemption full accounts made up 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
03/01/2027Filing deadline
Last statement 20/12/2025Due 03/01/2027
- Next statement date
- 20/12/2026
- Last statement dated
- 20/12/2025
Financial performance
The latest figures DIAMOND ELECTRONIC SYSTEMS LIMITED filed. Okredo holds filed accounts data for 2023–2025; the year-by-year record is on the financials page.
Net Assets
£-39.64K2025
-131.13%vs 20242024: £127.31K
Total Assets
£375.56K2025
-45.08%vs 20242024: £683.86K
Cash in Bank
£22.98K2025
-83.24%vs 20242024: £137.13K
Total Liabilities
£331.63K2025
-23.56%vs 20242024: £433.85K
Employees
122025
0vs 20242024: 12
Of the 4 measures with an earlier filing to compare against, 4 fell. Total assets moved furthest, down 45.08% on 2024. See the full financial analysis for DIAMOND ELECTRONIC SYSTEMS LIMITED.
The full financial record
Four ways through DIAMOND ELECTRONIC SYSTEMS LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Cash in Bank · -63.8% 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, 2023–2025.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 × 3 yearsEvery figure by yearAll 5 measures Okredo tracks across 3 reported years, exactly as filed.Open the table
Employees
Headcount as reported to Companies House for 2023–2025.
| Year | Employees | Change |
|---|---|---|
| 2025 | 12 | 0 |
| 2024 | 12 | 0 |
| 2023 | 12 | – |
Reported employee count was unchanged at 12 between 2023 and 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
6Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Director | 10/12/2010–Present | 0 | |
| Director | 21/12/1993–01/01/2008 | 0 | |
| Director | 22/12/2004–Present | 0 | |
| Secretary | 21/12/1993–Present | 0 | |
| Director | 21/12/1993–Present | 0 | |
| Director | 22/12/2011–Present | 0 |
Persons with significant control
2Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 21/12/2016–Present | 0 | |
| 20/12/2017–Present | 0 |
Filing history and recent activity
Every document on the Companies House record, newest first.
- Filings on record
- 1
- Since 08/05/2026
- Last 12 months
- 1
- Most recent filing
- 08/05/2026
- 4 months ago
What changed in the last year
- Accounts filedLatest 08/05/2026
Filing timeline
- 08/05/2026View PDF (10 pages)
Total exemption full accounts made up to 2025-12-31
See when the next accounts and confirmation statement are due
Similar companies
68 UK companies are similar to DIAMOND ELECTRONIC SYSTEMS LIMITED, sharing the same company status (Active), the same industry sector and activity group (Security systems service activities) and a comparable number of employees. The 5 closest matches are shown below to help you compare competitors and industry peers.
CW AUDIT SOLUTIONS LIMITED
ActiveArtisans' House, 7 Queensbridge, Northampton, Northamptonshire NN4 7BF
- Activity
- Private security activities
- Company no.
- 11150919
- Incorporated
- 15/01/2018
- Employees
- 12
A S I SECURITY SYSTEMS LIMITED
ActiveUnit 5 Foxwood View, Foxwood Industrial Park, Chesterfield, Derbyshire S41 9RN
- Activity
- Security systems service activities
- Company no.
- 07322408
- Incorporated
- 22/07/2010
- Employees
- 13
A1 SECURITY SYSTEMS LIMITED
Active4 Viceroy Court, Bedford Road, Petersfield, Hampshire GU32 3LJ
- Activity
- Security systems service activities
- Company no.
- 03282992
- Incorporated
- 22/11/1996
- Employees
- 12
ARGUS SERVICES LTD
Active19 Chelmsley Wood Industrial Estate, Waterloo Avenue, Birmingham, West Midlands B37 6QQ
- Activity
- Security systems service activities
- Company no.
- 03793798
- Incorporated
- 22/06/1999
- Employees
- 12
A & M SECURITY LIMITED
ActiveUnit 6 Joshua Park, Plympton, Plymouth, Devon PL7 4FF
- Activity
- Security systems service activities
- Company no.
- 06486657
- Incorporated
- 29/01/2008
- Employees
- 14
About DIAMOND ELECTRONIC SYSTEMS LIMITED
A short description of the company, written from its Companies House record.
DIAMOND ELECTRONIC SYSTEMS LIMITED is a private limited company registered in the United Kingdom, based in Unit 1a Harbour Court, 5 Heron Road, Belfast BT3 9HB. Companies House classifies its business as Security systems service activities. It has been on the register for 32 years 9 months.
The register currently records it as active. Its 2025 accounts report net assets of £-39.64K and 12 employees.
DIAMOND ELECTRONIC SYSTEMS LIMITED: frequently asked questions
Answered from this company's own registry record and filed figures.
Companies House records DIAMOND ELECTRONIC SYSTEMS LIMITED under one registered business activity: Security systems service activities (80.20 - SIC 2007).
DIAMOND ELECTRONIC SYSTEMS LIMITED is recorded as active on the Companies House register, and has been on it since 21/12/1993.
The most recent accounts Okredo holds cover 2025 and report net assets of £-39.64K, total assets of £375.56K, cash in bank of £22.98K and total liabilities of £331.63K.
The most recent document on the record is dated 08/05/2026: Total exemption full accounts made up to 2025-12-31, 4 months ago.
On the current registry record, accounts are due by 30/09/2027 and the next confirmation statement is due by 03/01/2027.
Companies House lists 6 officers (5 currently in post) and 2 people with significant control.