- Companies
- Installers
- Rochdale
- Amm-Offshore Ltd
Amm-Offshore Ltd
- Company number
- 15056347
- Incorporated
- 8 Aug 20233 years trading
- Registered office
- 122 Heywood Road, Rochdale, OL11 3BT
- Nature of business
- Other construction installation
Amm-Offshore Ltd is a 3-year-old private limited company registered in Rochdale, company number 15056347, one of 48 installation companies (insulation, lifts, shutters and similar) in Rochdale. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £15K (-45.2%) on the year before, to £18K.
- Current assets of £28K against £8,137 owed within a year: 3.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Aug 2025 | £18K | £28K | £8,137 | 0 | |
| 31 Aug 2024 | £34K | £29K | £9,849 | 0 |
Where Amm-Offshore Ltd is registered
The registered office is in Rochdale (OL11), in the Rochdale local authority area, North West. Show OL11 3BT on a map.
Other trade companies in OL11
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- Acedealers LimitedMotor traders
- Maks Property Services LtdBuilders
- Risewell Properties LtdProperty developers
- Northern Commercials MCR LtdMechanics and garages
- Green One Electrical LtdElectricians
- Sale Body Shop LtdMechanics and garages
- Swistrepairs LtdRepair services
What happens if Amm-Offshore 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15056347
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 2023 (3 years ago)
- Registered office
- 122 Heywood Road, Rochdale, OL11 3BT
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 7 August 2026
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 Rochdale
Other active installation companies (insulation, lifts, shutters and similar) registered in Rochdale.
- Building by Designs Ltd2020
- Bulletproof Homes Ltd2025
- C & C Projects (North) Ltd2018
- Childscape Limited2025
- D&V Titan Ltd2023
- Damar Interiors (North West) Ltd2010
- Designaloftcom Limited2013
- Ductwork Ventilation Services Limited2022
All installation companies (insulation, lifts, shutters and similar) in Rochdale · All trades in Rochdale · Installers across the UK
Frequently asked questions
When are Amm-Offshore Ltd's accounts due?
Amm-Offshore Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Amm-Offshore Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Amm-Offshore Ltd still trading?
Amm-Offshore 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 Amm-Offshore Ltd do?
Amm-Offshore Ltd is registered under Other construction installation (SIC 43290).
How old is Amm-Offshore Ltd?
Amm-Offshore Ltd was incorporated on 8 August 2023, 3 years ago.
What is the penalty if Amm-Offshore 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 Amm-Offshore 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.