JOHN ROOK LIMITED
Company number 00600535 · Active
JOHN ROOK LIMITED is a private limited company registered in HAMPSHIRE, United Kingdom, incorporated on 14 Mar 1958. Its registered activity is non-trading company. Its latest published accounts for the period ending 30 Sep 2025 show equity of £209k. It has filed 7 sets of accounts. Our model estimates a 0.00 % probability that it becomes insolvent within 12 months, 0.0 times the average for active companies (low risk).
Insolvency risk, next 12 months
Higher than 76 % of active companies in the United Kingdom. 0.0× 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
- 00600535 · official register
- Status
- Active
- Legal form
- Private Limited Company
- Incorporated
- 14 Mar 1958 (69 years)
- Registered address
- PO8 0RN HAMPSHIRE
- Postcode area
- Portsmouth
- Activity
- 74990 Non-trading company
- Industry
- Other professional, scientific and technical activities
- 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 Sep 2025 | 15 Jun 2026 | – | – | £209k | – | – | – | 0 |
| 30 Sep 2024 | 15 Feb 2025 | – | – | £241k | – | – | – | 0 |
| 30 Sep 2023 | 15 Jun 2024 | – | – | £241k | – | – | – | 0 |
| 30 Sep 2022 | 15 Apr 2023 | – | – | £241k | – | – | – | 0 |
| 30 Sep 2021 | 15 Jun 2022 | – | – | £241k | £243k | £1,860 | – | 0 |
| 30 Sep 2020 | 15 Jun 2021 | – | – | £241k | £243k | £1,860 | – | 0 |
| 30 Sep 2019 | 15 May 2020 | – | – | £241k | £243k | £1,860 | – | 0 |
As published. Small companies often file a balance sheet only, so turnover and result can be missing.
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Questions about JOHN ROOK LIMITED
What is the company number of JOHN ROOK LIMITED?
JOHN ROOK LIMITED is registered under company number 00600535 in the official register of United Kingdom. View it at the official register.
Is JOHN ROOK LIMITED still active?
Yes. JOHN ROOK LIMITED is registered as active (status: Active).
Has JOHN ROOK LIMITED gone bankrupt or into insolvency?
No insolvency, bankruptcy or administration is recorded for JOHN ROOK LIMITED in the official data.
How likely is JOHN ROOK LIMITED to become insolvent?
Our model estimates a 0.00 % probability that JOHN ROOK LIMITED becomes insolvent within the next 12 months (low risk). That is higher than 76 % of active companies in the United Kingdom.
When was JOHN ROOK LIMITED founded?
JOHN ROOK LIMITED was incorporated on 14 Mar 1958.
Where is JOHN ROOK LIMITED registered?
JOHN ROOK LIMITED's registered address is in PO8 0RN HAMPSHIRE (Portsmouth), United Kingdom.
What do the latest accounts of JOHN ROOK LIMITED show?
The latest published accounts (period ending 30 Sep 2025) show equity of £209k, 0 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.