DIFFUSION SYSTEMS LIMITED
Company number 01193966 · Active · London NW11 7PE
DIFFUSION SYSTEMS LIMITED is an active private limited company (company number 01193966) incorporated on 16 December 1974, registered in London. Its registered activity is manufacture of electronic measuring, testing etc. equipment, not for industrial process control (SIC 26511). Latest abridged accounts cover the period ending 30 November 2025, showing net assets of £492k and cash of £3,457, with 0 employees on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets were unchanged on the prior period. Across the last 3 periods on record the net-asset trend is volatile.
By net assets it sits in the top quarter of 87 comparable companies in London (median £4,084, upper quartile £79k).
Key dates
- Incorporated
- 16 December 1974
- Next accounts due
- 30 August 2027 — in 315 days
- Confirmation statement due
- 30 December 2026 — in 72 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 26511
- Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
- Accounts type
- Unaudited Abridged
- Size band
- Micro (Companies Act thresholds)
Financials — 3 periods on record, latest ending 30 November 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | £492k | £3,457 | £347k | — | — | — | 0 |
| 30 November 2024 | £493k | £8,266 | £358k | — | — | — | 0 |
| 30 November 2023 | £433k | £4,121 | £200k | — | — | — | 0 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 73/100 (grade B)
- +10 Positive net assets — Net assets £492,024 at 2025-11-30
- +5 Multi-year filing history — 3 periods on record
- +8 Established — Incorporated 1974-12-16 (52 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Mr Mohammed Mazhar Khan — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 5 July 2021
- Mrs Beryl Jones — owns 75–100% of shares · since 6 April 2016 · ceased 5 July 2021
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in London
Same activity (manufacture of electronic measuring, testing etc. equipment, not for industrial process control), closest in incorporation date.
- LEACH INTERNATIONAL UK LIMITED — London, inc. Oct 1971
- UNITEMP LIMITED — London, inc. Jan 1984
- SPANTECH PRODUCTS LIMITED — London, inc. Apr 1984
- PEAK PRODUCTION EQUIPMENT LIMITED — London, inc. May 1984
- QUALITY MONITORING INSTRUMENTS LIMITED — London, inc. Oct 1984
- ENVIRODYNE HOLDINGS LIMITED — London, inc. Dec 1985
Reminders for DIFFUSION SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.