- Companies
- Specialist contractors
- Portsmouth
- Cardinal Integrated Services Ltd
Cardinal Integrated Services Ltd
- Company number
- 14587934
- Incorporated
- 12 Jan 20233 years trading
- Registered office
- Unit 28-29 Trafalgar House, 223 Southampton Road, Portsmouth, Hampshire, PO6 4PY
- Nature of business
- Other specialised construction activities n.e.c.
Cardinal Integrated Services Ltd is a 3-year-old private limited company registered in Portsmouth, company number 14587934, one of 193 specialist construction companies in Portsmouth. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £91K (-745.1%) on the year before, to -£79K.
- Current assets of £77K against £156K owed within a year: 0.5 times cover.
- 2 employees on average, down from 3 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£79K | £17K | £77K | £156K | 2 |
| 31 Mar 2024 | £12K | £352 | £87K | £75K | 3 |
Where Cardinal Integrated Services Ltd is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 4PY on a map.
Other trade companies in PO6
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- Cpenw LtdMachinery repair and installation
- Marla Brickwork & Construction LtdProperty developers
- Miracles in Metal LtdMechanics and garages
- FH Fire & Electrical LtdElectricians
- Thomcore LimitedSpecialist contractors
- JMS Southern LtdElectricians
- The Motum Group LtdSpecialist contractors
What happens if Cardinal Integrated Services 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 14587934
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 2023 (3 years ago)
- Registered office
- Unit 28-29 Trafalgar House, 223 Southampton Road, Portsmouth, Hampshire, PO6 4PY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 11 January 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Cardinal Energy Ltd (until 16 Sep 2025)
Cardinal Construction Southern Ltd (until 3 Apr 2023)
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 in Portsmouth
Other active specialist construction companies registered in Portsmouth.
- Cavenpark Ltd2012
- CD & PS (Fareham) Limited2015
- City Damp Solutions Ltd2017
- Cladiatorz Limited2022
- Clear Contracting Solutions Limited2025
- Coastal Building Solutions Ltd2025
- Complete Formwork Solutions Ltd2011
- Custom Pools & Developments Limited2019
All specialist construction companies in Portsmouth · All trades in Portsmouth · Specialist contractors across the UK
Frequently asked questions
When are Cardinal Integrated Services Ltd's accounts due?
Cardinal Integrated Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Cardinal Integrated Services Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Cardinal Integrated Services Ltd still trading?
Cardinal Integrated Services 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 Cardinal Integrated Services Ltd do?
Cardinal Integrated Services Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Cardinal Integrated Services Ltd?
Cardinal Integrated Services Ltd was incorporated on 12 January 2023, 3 years ago.
What is the penalty if Cardinal Integrated Services 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 Cardinal Integrated Services 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.