DIFFUSION SYSTEMS LIMITED
Company details
| Company number | 01193966 |
|---|---|
| Status | Active |
| Company type | Private Limited Company |
| Incorporated | 16 December 1974 |
| Registered office | 923 FINCHLEY ROAD, LONDON, NW11 7PE, ENGLAND · More companies in NW11 |
| Nature of business (SIC) | 26511 — Manufacture of electronic measuring, testing etc. equipment, not for industrial process control |
| Accounting reference date | 29 November |
| Next accounts due | 29 August 2027 (last made up to 30 November 2025) |
| Last accounts type | Unaudited Abridged |
| Next confirmation statement due | 19 July 2027 (last made up to 5 July 2026) |
| Charges (mortgages) | 7 registered · 1 outstanding · 0 part satisfied · 6 satisfied |
Source: Companies House Free Company Data Product, 1 November 2026. View filing history, officers and PSCs on Companies House.
Summary
DIFFUSION SYSTEMS LIMITED is a private limited company registered in the UK under company number 01193966. It was incorporated on 16 December 1974 and its current status is active.
The registered office address is 923 FINCHLEY ROAD, LONDON, NW11 7PE, ENGLAND.
Its declared nature of business is manufacture of electronic measuring, testing etc. equipment, not for industrial process control (SIC 26511).
The next accounts are due by 29 August 2027 and the next confirmation statement by 19 July 2027.
About DIFFUSION SYSTEMS LIMITED
Company type and jurisdiction
DIFFUSION SYSTEMS LIMITED is a private company limited by shares. Its owners (shareholders) are only liable for its debts up to the value of their shares, it must have at least one director, and its shares cannot be offered to the public. Its company number 01193966 shows it was registered in England and Wales, so its records are kept by Companies House in Cardiff. It has been on the register for 51 years and 10 months.
What DIFFUSION SYSTEMS LIMITED does
On the public register, DIFFUSION SYSTEMS LIMITED lists its activity using the UK Standard Industrial Classification (SIC 2007): manufacture of electronic measuring, testing etc. equipment, not for industrial process control (26511). This places it in the manufacturing section of the economy. SIC codes describe what a company says it does; they are not a licence and are not checked by Companies House. See other companies with the same SIC code.
Where DIFFUSION SYSTEMS LIMITED is registered
Its registered office is in London (postcode district NW11). The registered office is the official address for letters from Companies House, HMRC and the courts. It must be in the same UK jurisdiction where the company was registered, but it does not have to be where the business trades: many companies use their accountant's or a formation agent's address. Browse other companies in NW11.
Accounts and filing deadlines
DIFFUSION SYSTEMS LIMITED must file its next annual accounts by 29 August 2027. The last accounts on the register were abridged accounts of a small company that were not audited. Its next confirmation statement, which confirms its officers, shareholders and registered office are up to date, is due by 19 July 2027. A private company that files its accounts late gets an automatic penalty of £150 if they are up to one month late, rising to £375, £750 and £1,500 after six months, and the penalty is doubled if accounts are late two years in a row. A company that does not file a confirmation statement can be struck off the register.
Charges and secured debt
DIFFUSION SYSTEMS LIMITED has 7 charges registered against it, of which 1 is still outstanding. A charge is security given to a lender, such as a mortgage over property or a debenture over all the company's assets; if the company does not repay, the lender can take those assets first. The full charge documents can be read for free on Companies House.
Before you do business with DIFFUSION SYSTEMS LIMITED
Check that the company name and number on its invoices and website match 01193966, read its latest accounts and confirmation statement, and look up its directors and people with significant control on the official register. If it charges VAT, ask for its VAT number and check it with our VAT number checker: a company number and a VAT number are different things. How to check a UK company.
Frequently asked questions
What is the company number of DIFFUSION SYSTEMS LIMITED?
The Companies House company number of DIFFUSION SYSTEMS LIMITED is 01193966.
Is DIFFUSION SYSTEMS LIMITED still trading?
DIFFUSION SYSTEMS LIMITED is listed as active on the Companies House register.
What is the registered office address of DIFFUSION SYSTEMS LIMITED?
The registered office of DIFFUSION SYSTEMS LIMITED is 923 FINCHLEY ROAD, LONDON, NW11 7PE, ENGLAND.
When was DIFFUSION SYSTEMS LIMITED incorporated?
DIFFUSION SYSTEMS LIMITED was incorporated on 16 December 1974.
What does DIFFUSION SYSTEMS LIMITED do?
Its nature of business (SIC) is: 26511 - Manufacture of electronic measuring, testing etc. equipment, not for industrial process control.
When are DIFFUSION SYSTEMS LIMITED's next accounts due?
The next accounts of DIFFUSION SYSTEMS LIMITED are due by 29 August 2027.
When is DIFFUSION SYSTEMS LIMITED's confirmation statement due?
The next confirmation statement of DIFFUSION SYSTEMS LIMITED is due by 19 July 2027.
How old is DIFFUSION SYSTEMS LIMITED?
DIFFUSION SYSTEMS LIMITED was incorporated on 16 December 1974, so it is 51 years and 10 months old.
Who are the directors of DIFFUSION SYSTEMS LIMITED?
The current directors, secretaries and people with significant control of DIFFUSION SYSTEMS LIMITED are listed on the officers page of company 01193966 on the Companies House website.
What is the VAT number of DIFFUSION SYSTEMS LIMITED?
VAT numbers are issued by HMRC, not Companies House, and are not part of the company record. Ask DIFFUSION SYSTEMS LIMITED for its VAT number (GB followed by 9 digits) and check it with a VAT number checker.