- Companies
- Installers
- Gosport
- Ab Southern Ltd
Ab Southern Ltd
- Company number
- 07325545
- Incorporated
- 26 Jul 201016 years trading
- Registered office
- 4 Brookside, Gosport, Hampshire, PO13 0YS
- Nature of business
- Other construction installation
Ab Southern Ltd is a 16-year-old private limited company registered in Gosport, company number 07325545, one of 23 installation companies (insulation, lifts, shutters and similar) in Gosport. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Ab Southern Ltd is registered
The registered office is in Gosport (PO13), in the Gosport local authority area, South East. Show PO13 0YS on a map.
Other trade companies in PO13
- Dall Access & Maintenance LtdFinishing trades
- Kpac Solutions LtdPlumbers and heating engineers
- Barzan Car Wash LtdCleaning companies
- Korma LtdBuilders
- Steelmarch Group LtdMechanics and garages
- DS Refrigeration & Air Conditioning LtdPlumbers and heating engineers
- JFCS Refrigeration LtdPlumbers and heating engineers
- Socss LimitedSpecialist contractors
What happens if Ab Southern 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 07325545
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 July 2010 (16 years ago)
- Registered office
- 4 Brookside, Gosport, Hampshire, PO13 0YS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 26 July 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Gosport
Other active installation companies (insulation, lifts, shutters and similar) registered in Gosport.
- Advanced Craft Ltd2003
- Bnj's Garden Patios & Landscaping Ltd2025
- CRC Installs Limited2023
- D & A Installations Ltd2025
- Eco Thermal Limited2007
- Escis Marine Subsea Ltd2018
- Final Touch Hampshire Limited2020
- GDR Utilities Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Gosport · All trades in Gosport · Installers across the UK
Frequently asked questions
When are Ab Southern Ltd's accounts due?
Ab Southern Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Ab Southern Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Ab Southern Ltd still trading?
Ab Southern Ltd is listed as active on the Companies House register (checked 12 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 Ab Southern Ltd do?
Ab Southern Ltd is registered under Other construction installation (SIC 43290).
How old is Ab Southern Ltd?
Ab Southern Ltd was incorporated on 26 July 2010, 16 years ago.
What is the penalty if Ab Southern 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 Ab Southern Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.