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- Ajb Isolations Ltd
Company profile · Civil engineering
Ajb Isolations Ltd
Ajb Isolations Ltd is a newly incorporated private limited company registered in Wigan, company number 17182610, one of 85 civil engineering contractors in Wigan. Its next accounts are due at Companies House on 27 January 2028, and its first CT600 is due at HMRC on 26 April 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Ajb Isolations Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** B*** | Director | Apr 2026 |
Person with significant control
Where Ajb Isolations Ltd is registered
The registered office is in Wigan (WN1), in the Wigan local authority area, North West. Show WN1 3JL on a map.
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What happens if Ajb Isolations Ltd 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 27 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Jan 2028 to 27 Feb 2028 | £150 |
| 1 to 3 months late | 28 Feb 2028 to 27 Apr 2028 | £375 |
| 3 to 6 months late | 28 Apr 2028 to 27 Jul 2028 | £750 |
| More than 6 months late | From 28 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17182610
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 April 2026
- Registered office
- 13 Cecil ST, Scholes, Wigan, Greater Manchester, WN1 3JL
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
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 Wigan
Other active civil engineering contractors registered in Wigan.
- B.T. O'Sullivan Construction Solutions Limited2013
- Benchmark NW Ltd2019
- C Daniels & Sons Limited2010
- Clem Turton Limited1978
- Com Utilities Ltd2021
- Core Utilities Solutions Ltd2022
- Cotton Marine Ltd2025
- CQ Communications Limited2018
All civil engineering contractors in Wigan · All trades in Wigan · Civil engineering across the UK
Frequently asked questions
When are Ajb Isolations Ltd's accounts due?
Ajb Isolations Ltd's next accounts are due at Companies House by 27 January 2028 (in 472 days), covering the period to 30 April 2027.
When is Ajb Isolations Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 26 April 2027, due by 26 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ajb Isolations Ltd still trading?
Ajb Isolations Ltd 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 Ajb Isolations Ltd do?
Ajb Isolations Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Ajb Isolations Ltd?
Ajb Isolations Ltd was incorporated on 27 April 2026, less than a year ago.
Who runs Ajb Isolations Ltd?
Ajb Isolations Ltd has 1 active director, the longest-serving appointed in Apr 2026. Their names and service addresses are on the Companies House register.
Who owns Ajb Isolations Ltd?
One person or company has significant control of Ajb Isolations Ltd: an individual (owns 25% to 50% of the shares).
What is the penalty if Ajb Isolations Ltd 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 Ajb Isolations Ltd 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.