- Companies
- Civil engineering
- Doncaster
- Isle Services (UK) Limited
Isle Services (UK) Limited
- Company number
- 08419340
- Incorporated
- 26 Feb 201313 years trading
- Registered office
- Thrumrows Cottage Cove Road, Westwoodside, Doncaster, South Yorkshire, DN9 2AZ
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other retail sale not in stores, stalls or markets; Management consultancy activities other than financial management
Isle Services (UK) Limited is a 13-year-old private limited company registered in Doncaster, company number 08419340, one of 170 civil engineering contractors in Doncaster. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £9,233 (-3.6%) on the year before, to £246K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £246K | £384K | 3 | ||
| 29 Feb 2024 | £255K | £394K | £141K | 3 | |
| 28 Feb 2023 | £263K | £390K | £130K | 3 | |
| 28 Feb 2022 | £266K | £411K | £148K | 2 | |
| 28 Feb 2021 | £231K | £377K | £149K | 1 | |
| 29 Feb 2020 | £149K | £250K | £100K | 1 | |
| 28 Feb 2019 | £152K | £237K | £86K | ||
| 28 Feb 2018 | £171K | £255K | £86K | ||
| 28 Feb 2017 | £158K | £240K | £240K | ||
| 28 Feb 2016 | £146K | £78K | £92K | £103K |
Where Isle Services (UK) Limited is registered
The registered office is in Doncaster (DN9), in the North Lincolnshire local authority area, Yorkshire and The Humber. Show DN9 2AZ on a map.
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What happens if Isle Services (UK) Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 08419340
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 February 2013 (13 years ago)
- Registered office
- Thrumrows Cottage Cove Road, Westwoodside, Doncaster, South Yorkshire, DN9 2AZ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other retail sale not in stores, stalls or markets (SIC 47990)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 6 February 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Doncaster
Other active civil engineering contractors registered in Doncaster.
- Ivoltz Limited2017
- J P Excavations Ltd2011
- J.C Highways Ltd2024
- J.K Civils & Drainage Ltd2025
- Jam Fam One Ltd2024
- Jas Civils Ltd2025
- JCM Rail Ltd2025
- JJC Roadways Limited2023
All civil engineering contractors in Doncaster · All trades in Doncaster · Civil engineering across the UK
Frequently asked questions
When are Isle Services (UK) Limited's accounts due?
Isle Services (UK) Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Isle Services (UK) Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Isle Services (UK) Limited still trading?
Isle Services (UK) Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Isle Services (UK) Limited do?
Isle Services (UK) Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other retail sale not in stores, stalls or markets (SIC 47990); Management consultancy activities other than financial management (SIC 70229).
How old is Isle Services (UK) Limited?
Isle Services (UK) Limited was incorporated on 26 February 2013, 13 years ago.
What is the penalty if Isle Services (UK) Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Isle Services (UK) Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.