CASTLE OPTICAL SERVICES LTD
Company number 03636999 · Active
CASTLE OPTICAL SERVICES LTD is a private limited company registered in CANVEY ISLAND, United Kingdom, incorporated on 23 Sep 1998. Its registered activity is other human health activities. Its latest published accounts for the period ending 31 Mar 2025 show equity of £111k, total assets of £119k. It has filed 6 sets of accounts, 6 of them after the deadline. 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
- 03636999 · official register
- Status
- Active
- Legal form
- Private Limited Company
- Incorporated
- 23 Sep 1998 (28 years)
- Registered address
- SS8 9DE CANVEY ISLAND
- Postcode area
- Southend-on-Sea
- Activity
- 86900 Other human health activities
- Industry
- Human health 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 |
|---|---|---|---|---|---|---|---|---|
| 31 Mar 2025 | 15 Mar 2026 | – | – | £111k | £119k | £7,838 | – | 0 |
| 31 Mar 2024 | 15 Mar 2025 | – | – | £111k | £119k | – | – | 1 |
| 31 Mar 2023 | 15 Mar 2024 | – | – | £111k | £114k | – | – | 1 |
| 31 Mar 2022 | 15 Mar 2023 | – | – | £111k | – | – | – | 2 |
| 31 Mar 2021 | 15 Mar 2022 | – | – | £111k | £114k | £2,414 | £0 | 2 |
| 31 Mar 2020 | 15 Feb 2021 | – | – | £112k | £121k | £9,429 | £12 | 2 |
As published. Small companies often file a balance sheet only, so turnover and result can be missing.
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Questions about CASTLE OPTICAL SERVICES LTD
What is the company number of CASTLE OPTICAL SERVICES LTD?
CASTLE OPTICAL SERVICES LTD is registered under company number 03636999 in the official register of United Kingdom. View it at the official register.
Is CASTLE OPTICAL SERVICES LTD still active?
Yes. CASTLE OPTICAL SERVICES LTD is registered as active (status: Active).
Has CASTLE OPTICAL SERVICES LTD gone bankrupt or into insolvency?
No insolvency, bankruptcy or administration is recorded for CASTLE OPTICAL SERVICES LTD in the official data.
How likely is CASTLE OPTICAL SERVICES LTD to become insolvent?
Our model estimates a 0.01 % probability that CASTLE OPTICAL SERVICES LTD becomes insolvent within the next 12 months (low risk). That is higher than 82 % of active companies in the United Kingdom.
When was CASTLE OPTICAL SERVICES LTD founded?
CASTLE OPTICAL SERVICES LTD was incorporated on 23 Sep 1998.
Where is CASTLE OPTICAL SERVICES LTD registered?
CASTLE OPTICAL SERVICES LTD's registered address is in SS8 9DE CANVEY ISLAND (Southend-on-Sea), United Kingdom.
What do the latest accounts of CASTLE OPTICAL SERVICES LTD show?
The latest published accounts (period ending 31 Mar 2025) show equity of £111k, total assets of £119k, 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.