PROTON MECHANICAL ENGINEERING LIMITED
Company number 06266791 · Active
PROTON MECHANICAL ENGINEERING LIMITED is a private limited company registered in PLYMOUTH, United Kingdom, incorporated on 1 Jun 2007. Its registered activity is other business support service activities n.e.c.. Its latest published accounts for the period ending 30 Jun 2025 show equity of £93k, total assets of £93k. It has filed 6 sets of accounts. Our model estimates a 0.01 % probability that it becomes insolvent within 12 months, 0.1 times the average for active companies (low risk).
Insolvency risk, next 12 months
Higher than 82 % of active companies in the United Kingdom. 0.1× the average annual insolvency rate (0.12 %).
Raises the risk
Lowers the risk
Each factor compares companies in the same group (for example the same age band) with the average. The score is a statistical estimate from public data (model AUC 0.99, trained 8 Nov 2026), not a credit rating. How it works.
Company details
- Company number
- 06266791 · official register
- Status
- Active
- Legal form
- Private Limited Company
- Incorporated
- 1 Jun 2007 (19 years)
- Registered address
- PL7 2BH PLYMOUTH
- Postcode area
- Plymouth
- Activity
- 82990 Other business support service activities n.e.c.
- Industry
- Office administrative and business support
- Accounts overdue
- No
Insolvency and register events
No insolvency or liquidation events on record.
Annual accounts GBP
| Period end | Published | Turnover | Result | Equity | Total assets | Current liabilities | Cash | Employees |
|---|---|---|---|---|---|---|---|---|
| 30 Jun 2025 | 15 Jan 2026 | – | – | £93k | £93k | £147 | – | 1 |
| 30 Jun 2024 | 15 Oct 2024 | – | – | £94k | £94k | £1 | – | 1 |
| 30 Jun 2022 | 15 Oct 2022 | – | – | £96k | £101k | £5,377 | – | 1 |
| 30 Jun 2021 | 15 Nov 2021 | – | – | £97k | £118k | £21k | – | 1 |
| 30 Jun 2020 | 15 Dec 2020 | – | – | £78k | £95k | £17k | – | 1 |
| 30 Jun 2019 | 15 Feb 2020 | – | – | £82k | £97k | £15k | – | – |
As published. Small companies often file a balance sheet only, so turnover and result can be missing.
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Questions about PROTON MECHANICAL ENGINEERING LIMITED
What is the company number of PROTON MECHANICAL ENGINEERING LIMITED?
PROTON MECHANICAL ENGINEERING LIMITED is registered under company number 06266791 in the official register of United Kingdom. View it at the official register.
Is PROTON MECHANICAL ENGINEERING LIMITED still active?
Yes. PROTON MECHANICAL ENGINEERING LIMITED is registered as active (status: Active).
Has PROTON MECHANICAL ENGINEERING LIMITED gone bankrupt or into insolvency?
No insolvency, bankruptcy or administration is recorded for PROTON MECHANICAL ENGINEERING LIMITED in the official data.
How likely is PROTON MECHANICAL ENGINEERING LIMITED to become insolvent?
Our model estimates a 0.01 % probability that PROTON MECHANICAL ENGINEERING LIMITED becomes insolvent within the next 12 months (low risk). That is higher than 82 % of active companies in the United Kingdom.
When was PROTON MECHANICAL ENGINEERING LIMITED founded?
PROTON MECHANICAL ENGINEERING LIMITED was incorporated on 1 Jun 2007.
Where is PROTON MECHANICAL ENGINEERING LIMITED registered?
PROTON MECHANICAL ENGINEERING LIMITED's registered address is in PL7 2BH PLYMOUTH (Plymouth), United Kingdom.
What do the latest accounts of PROTON MECHANICAL ENGINEERING LIMITED show?
The latest published accounts (period ending 30 Jun 2025) show equity of £93k, total assets of £93k, 1 employees.
Data: Companies House – Free Company Data Product, Accounts Data Product, Public Data API (Contains public sector information licensed under the Open Government Licence v3.0.). Last updated 8 Nov 2026.