ActiveNI028033Private limited companyBelfast

DIAMOND ELECTRONIC SYSTEMS LIMITED

Significant control: Martin Stephen Snoddon (25–50%), Angela Catherine Bennett (25–50%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

Watch this company

Get an email when Companies House records a change for Diamond Electronic Systems Limited: status, filings, accounts, officers or owners. Free.

Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy

Coming soon · product and service lists

What does Diamond Electronic Systems Limited sell?

Registered activity: Security systems service activities (SIC 80200). We’re building product and service lists for UK companies. Get this one when it’s ready.

One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01

Summary

Generated from filed data · no estimates

DIAMOND ELECTRONIC SYSTEMS LIMITED is an active private limited company (company number NI028033) incorporated on 21 December 1993, registered in Belfast. Its registered activity is security systems service activities (SIC 80200). Latest small accounts cover the period ending 31 December 2025, showing net assets of −£40k and cash of £23k, with 12 employees on average. Net assets fell 131% on the prior period (£127k). Across the last 3 periods on record the net-asset trend is volatile.

Peer position · net assets

By net assets it sits in the bottom quarter of 76 comparable companies in Belfast (median £20k, upper quartile £101k).

02

Ownership and control

2 active
  • Mr Martin Stephen Snoddon
    Individual · since 21 December 2016
    • owns 25–50% of shares
  • Mrs Angela Catherine Bennett
    Individual · since 20 December 2017
    • owns 25–50% of shares

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
21 December 199332 yrs ago
Next accounts due
30 September 2027in 338 days
Confirmation statement due
4 January 2027in 69 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 80200
Security systems service activities
Accounts type
Total Exemption Full
Size band
MicroCompanies Act thresholds
05

Financials

3 periods on record · latest ending 31 December 2025
Net assets
−£40k
−131%vs Dec 2024
Cash at bank
£23k
−83%vs Dec 2024
Turnover
Not reported
Employees
12
No changevs Dec 2024
Net assets
−£40k
Cash at bank
£23k
Average employees
12
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 December 2025−£40k£23k£94k———12
31 December 2024£127k£137k£179k———12
31 December 2023£21k£176k£122k———12
Cash per employee£1,915Cash ÷ average employees

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets below zeroNet assets £-39,636 at 31 December 2025
  • Net assets down 25% or more on the prior period-131.1% vs prior period
  • Three or more accounting periods on record3 periods on record
  • Incorporated five or more years agoIncorporated 21 December 1993

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Next accounts duein 338 days
  2. Confirmation statement duein 69 days
  3. Accounts period endNet liabilities £40k · small accounts
  4. Accounts period endNet assets £127k · small accounts
  5. Accounts period endNet assets £21k · small accounts
  6. Incorporated
08

Similar companies in Belfast

Same activity (security systems service activities), closest in incorporation date
09

Reminders for DIAMOND ELECTRONIC SYSTEMS LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown. Contact us about this company.