Back to search

Isolated Systems Limited

00979107

active
Private Limited Company
england wales
Companies House
Health Score
75 / 100

Some Concerns

25/30
Filing
10/30
Financial
40/40
Risk
  • No accounts filed in last 18 months (-5)
  • Going concern doubt noted in accounts (-10)

Details

ISOLATED SYSTEMS LTD ADAMS CLOSE, HEANOR, DE75 7SW
Incorporated 08/05/1970

Compliance

Last accounts

31/05/2025

group

Next accounts due

28/02/2027

On track

Confirmation statement

Last: 26/06/2025

Due 10/07/2026

On track

Industry

71129
Other engineering activities

Officers

Ann Irene Colebrook

secretary

British

Ann Irene Colebrook

director

British

David Arthur Colebrook

director

British

Gay Irene Colebrook

director · Since 01/09/2012

English

John James Colebrook

director · Since 01/09/2012

British

Nigel Colebrook

director · Since 01/09/2012

British

Gary Edward Peet

director · Since 01/06/2008

British

Former

Brian Harrison

director · Resigned 31/08/1994

Ian Charles Kay

director · Resigned 30/11/2015

Ronald William Widdowson

director · Resigned 01/12/1995

CompanyRankvs 100+ SIC 71129 peers
80

Financial strength99th percentile among SIC peers · 25/25
Employees100th percentile among SIC peers · 15/15
LiquidityCurrent ratio 3.49× · 20/20
Longevity15 years trading (max 15) · 15/15
Filing complianceAll filings up to date · 15/15
Going concern doubt -10
Show leaderboard
1Christie & Grey Limited
90
2Giltbrook Dyers And Cleaners Limited(The)
90
3Boro Foundry Limited(The)
90
4Sleeman & Hawken Limited
90
5Glebe Engineering Limited
90
6Bindon Engineering Company Limited
90
7Corrosion Technology Services Europe Limited
90
8Mel Aviation Limited
90
9Accurate Cutting Services Limited
90
10Isolated Systems Limited
90
How is this score calculated?
Financial strength25/25 pts

Net worth compared to all companies in the same SIC code with published accounts. Top quartile earns the full 25 points.

Employees15/15 pts

Workforce size relative to sector peers from the most recent accounts. A larger team generally signals commercial scale.

Liquidity20/20 pts

Current assets ÷ current liabilities. A ratio above 2× earns full marks; between 1–2× scores partially; below 0.5× scores minimal points.

Longevity15/15 pts

One point per year of operation since incorporation, capped at 15. Older companies have a proven track record.

Filing compliance15/15 pts

Full 15 points when both annual accounts and confirmation statement are filed on time. Points are deducted for each overdue filing.

Risk deductions

Going concern doubt: -10 pts

Maximum score is 100. Deductions apply for insolvency history, outstanding charges, going concern doubt, or disqualified officers.

Going Concern Doubt

any material uncertainties relating to events or conditions that, individually or collectively, may cast significant doubt on the group's and the parent company's ability to continue as a going concern for a period of at least twelve months from when the financial statements are authorised for issue. Our responsibilities and the responsibilities of the directors with respect to going co

Key FinancialsYear ending 31/05/2023

Net Worth

£3.9M

Balance sheet strength

Cash

£2.2M

Cash in the bank

Net Current Assets

£3.2M

Working capital

Current Assets

£4.5M

Current Liabilities

£1.3M

Fixed Assets

£718k

Debtors

£1.4M

Profit After Tax

£666k

61avg. employees

Tax at Year End

Corp tax£99k
Dividends paid£300k

Director Loans

Company owes directors£177k

Balance Sheet

Assets less current liabilities£4.0M
Prepared with IRIS Accounts Production

EstimatesDerived

YearCurrent Ratio
20233.49

Derived from filed accounts. Not audited figures.