PROTON (UK) LIMITED
Company details
- Registered name
- PROTON (UK) LIMITED
- Company number
- 03367671
- Registered office
- 27 Mortimer Street, London, W1T 3BL
- Company type
- Private limited company
- Incorporated on
- 9 May 1997
- Status
- Active
- Age
- 29 years
- Nature of business (SIC)
- 96090 — Other service activities n.e.c.
- Accounts — next due
- 28 Feb 2027
- Accounts — last made up to
- 31 May 2025
- Confirmation statement — next due
- 24 May 2027
- Confirmation statement — last
- 10 May 2026
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- 4 of 5 registered charges outstanding — a lender has a claim over the assets.
- 406 companies are registered at this address — commonly a formation agent or an accountant rather than an office.
Companies House register snapshot, read 02/09/2026.
Officers
3 active · 3 resigned
Corporate structure
Who controls this company, and who they control in turn
Connections
Serving officers
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 25/08/2006 | Secretary resigned | ANDREA, Charalambos | — |
| 25/08/2006 | Secretary appointed | — | ANDREA, Florentia |
| 23/07/2004 | Charge registered | — | Legal charge |
| 23/07/2004 | Charge registered | — | Debenture |
| 22/07/2004 | Charge registered | — | Debenture |
| 23/10/1997 | Charge registered | — | Legal mortgage |
| 23/10/1997 | Charge registered | — | Legal mortgage |
| 24/07/1997 | Director appointed | — | ANDREA, Charalambos |
| 12/05/1997 | Corporate-nominee-director resigned | BUYVIEW LTD | — |
| 12/05/1997 | Corporate-nominee-secretary resigned | AA COMPANY SERVICES LIMITED | — |
| 12/05/1997 | Secretary appointed | — | ANDREA, Charalambos |
| 12/05/1997 | Director appointed | — | YIAPATOS, Michael |
| 09/05/1997 | Corporate-nominee-director appointed | — | BUYVIEW LTD |
| 09/05/1997 | Corporate-nominee-secretary appointed | — | AA COMPANY SERVICES LIMITED |
Financial highlights
No figures could be read from the accounts filed on 11 Nov 2025. Companies House holds some filings only as a document image, which carries no tagged figures; the filing itself is on the register either way.
Documents for PROTON (UK) LIMITED
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The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Filing history
Most recent filings
Charges
4 outstanding · 1 satisfied
Data protection register
No entry found on the ICO register of fee payers under this name.
Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.
Get this company via API
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About PROTON (UK) LIMITED (03367671)
PROTON (UK) LIMITED is a private limited company incorporated on 9 May 1997 and registered in the United Kingdom under company number 03367671. Its registered office is at 27 Mortimer Street, London, W1T 3BL. The recorded nature of business is other service activities n.e.c. (SIC 96090). The company is currently active , with statutory accounts last made up to 31 May 2025. 6 active officers are on record . 4 outstanding charges are registered against it. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House , last refreshed 7 September 2026.
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