ISOLATED SYSTEMS LIMITED
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Next accounts due
2027-02-28 (in 9mo)
Last filed for 2025-05-31
Confirmation statement due
2026-07-10 (in 2mo)
Last made up 2025-06-26
Watchouts
None on the register
Cash
—
Latest balance sheet
Net assets
—
Equity attributable
Employees
—
Average over period
Profit before tax
—
Period ending 2023-05-31
Net assets
4-year trend · vs Industrials median
Accounts
4-year trend · latest reflected 2023-05-31
Latest accounts filed cover 2025-05-31, 2024-05-31; financial figures currently reflect up to 2023-05-31.
| Metric | Trend | 2020-05-31 | 2021-05-31 | 2022-05-31 | 2023-05-31 |
|---|---|---|---|---|---|
| Turnover | — | — | — | — | |
| Operating profit | — | — | — | — | |
| Profit before tax | — | — | — | — | |
| Net profit | — | — | — | — | |
| Cash | £1,767,126 | £2,046,030 | — | — | |
| Total assets less current liabilities | £2,878,522 | £3,238,048 | — | — | |
| Net assets | £2,878,522 | £3,228,136 | — | — | |
| Equity | £2,878,522 | £3,228,136 | — | — | |
| Average employees | 48 | 49 | — | — | |
| Wages | — | — | — | — |
Values shown as filed in the company's annual accounts. — indicates the figure wasn't present under that line item in that period. About these numbers
People
7 active · 3 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| COLEBROOK, Ann Irene | Secretary | — | — | British |
| COLEBROOK, Ann Irene | Director | — | Dec 1939 | British |
| COLEBROOK, David Arthur | Director | — | May 1941 | British |
| COLEBROOK, Gay Irene | Director | 2012-09-01 | May 1964 | English |
| COLEBROOK, John James | Director | 2012-09-01 | May 1971 | British |
| COLEBROOK, Nigel | Director | 2012-09-01 | Sep 1966 | British |
| PEET, Gary Edward | Director | 2008-06-01 | Nov 1972 | British |
Show 3 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| HARRISON, Brian | Director | — | 1994-08-31 |
| KAY, Ian Charles | Director | 2003-12-17 | 2015-11-30 |
| WIDDOWSON, Ronald William | Director | — | 1995-12-01 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Mr David Arthur Colebrook | Individual | Shares 50–75% | 2016-06-01 | Active |
Filing timeline
Last 20 of 113 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-03-04 | AA | accounts | Accounts with accounts type group | |
| 2025-07-29 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-03-03 | AA | accounts | Accounts with accounts type group | |
| 2024-06-26 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-02-29 | AA | accounts | Accounts with accounts type group | |
| 2023-06-30 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2023-02-27 | AA | accounts | Accounts with accounts type total exemption full | |
| 2022-06-17 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2022-02-24 | AA | accounts | Accounts with accounts type total exemption full | |
| 2021-06-25 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2021-04-19 | AA | accounts | Accounts with accounts type total exemption full | |
| 2020-06-15 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2020-02-25 | AA | accounts | Accounts with accounts type total exemption full | |
| 2019-06-03 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2019-05-24 | CH01 | officers | Change person director company with change date | |
| 2019-02-20 | AA | accounts | Accounts with accounts type total exemption full | |
| 2018-06-01 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2018-06-01 | CH01 | officers | Change person director company with change date | |
| 2018-01-25 | AA | accounts | Accounts with accounts type total exemption full | |
| 2017-06-02 | CS01 | confirmation-statement | Confirmation statement with updates |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 2
- Capital events
- 0
- Officers appointed
- 0
- Officers resigned
- 0
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.
Year-on-year
FY2022 → FY2023 · period ending 2023-05-31 vs 2022-05-31