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- Intershell Group Limited
Company profile · Specialist contractors
Intershell Group Limited
Intershell Group Limited is a 26-year-old private limited company registered in Pontrhydyrun, Cwmbran, company number 04055368, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Intershell Group Limited over the years
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 unchanged on the year before, at £7,500.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- 2 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | £7,500 | 2 | |||
| 31 Dec 2024 | £7,500 | 2 | |||
| 31 Dec 2023 | £7,500 | 2 | |||
| 31 Dec 2022 | £7,500 | ||||
| 31 Dec 2021 | £7,500 | 2 | |||
| 31 Dec 2020 | £7,500 | 2 | |||
| 31 Dec 2019 | £7,500 | 2 | |||
| 31 Dec 2018 | £7,500 | ||||
| 31 Dec 2017 | £7,500 | ||||
| 31 Dec 2016 | £7,500 |
Where Intershell Group Limited is registered
The registered office is in Pontrhydyrun, Cwmbran (NP44), in the Torfaen local authority area, Wales. Show NP44 1TS on a map.
Other trade companies in NP44
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- V&K Solutions LimitedCivil engineering
- Pure Clean by Nichola LtdCleaning companies
- Amsof LimitedPlumbers and heating engineers
- Marchant Home Solutions Ltd LtdBuilders
- True Level Concrete LtdBuilders
- A2Z Tech LimitedMachinery repair and installation
- Days Ventilation Solutions LtdPlumbers and heating engineers
Also registered at this address
2 other companies use the same registered office as Intershell Group Limited.
- Intershell Systems LimitedSpecialist contractors
- Midas Display Systems LimitedSpecialist contractors
What happens if Intershell Group 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 04055368
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 August 2000 (26 years ago)
- Registered office
- Intex House Avondale Way, Avondale Industrial Estate, Pontrhydyrun, Cwmbran, NP44 1TS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 6 February 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies
Other active specialist construction companies.
- Myg Construction Limited2000
- J Dalby & Son Limited2000
- Spectatron Transport Limited2000
- Mark Titley Carpentry Limited2000
- Rockliffe Construction Limited2000
- Keyscape Design & Construction Limited2000
- R & D Management (London) Limited2000
- Agribuild Construction Limited2000
Specialist contractors across the UK
Frequently asked questions
When are Intershell Group Limited's accounts due?
Intershell Group Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Intershell Group Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Intershell Group Limited still trading?
Intershell Group 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 Intershell Group Limited do?
Intershell Group Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Intershell Group Limited?
Intershell Group Limited was incorporated on 18 August 2000, 26 years ago.
What is the penalty if Intershell Group 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 Intershell Group 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.