- Companies
- Plumbers and heating engineers
- Portsmouth
- Acci Maintenance Ltd
Acci Maintenance Ltd
- Company number
- 16633843
- Incorporated
- 6 Aug 20251 year trading
- Registered office
- 22 Quartremaine Road, Portsmouth, PO3 5QT
- Nature of business
- Plumbing, heat and air-conditioning installation
Acci Maintenance Ltd is a 1-year-old private limited company registered in Portsmouth, company number 16633843, one of 141 plumbing and heating companies in Portsmouth. Its next accounts are due at Companies House on 6 May 2027, and its first CT600 is due at HMRC on 5 August 2027.
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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Acci Maintenance LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Acci Maintenance Ltd is registered
The registered office is in Portsmouth (PO3), in the Portsmouth local authority area, South East. Show PO3 5QT on a map.
Other trade companies in PO3
- GJM Construction LtdBuilders
- Al Fajar Building LimitedFinishing trades
- New Milton Decor LtdPainters and decorators
- Portsmouth Autos LtdMechanics and garages
- Henley Roofing Group LimitedInstallers
- I’M Covered 365 Ac LtdPlumbers and heating engineers
- Scope Bodyshop LtdMechanics and garages
- GP Technical LtdSpecialist contractors
What happens if Acci Maintenance 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 6 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 May 2027 to 6 Jun 2027 | £150 |
| 1 to 3 months late | 7 Jun 2027 to 6 Aug 2027 | £375 |
| 3 to 6 months late | 7 Aug 2027 to 6 Nov 2027 | £750 |
| More than 6 months late | From 7 Nov 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
- 16633843
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 August 2025 (1 year ago)
- Registered office
- 22 Quartremaine Road, Portsmouth, PO3 5QT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 5 August 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Portsmouth
Other active plumbing and heating companies registered in Portsmouth.
- Af Plumbing Limited2022
- All About Gas, Heating and Plumbing Services Limited2007
- All Hours Plumbing Limited1996
- All Seasons Mechanical Ltd2019
- Amr Services Iow Ltd2025
- Ams Pipework Ltd2018
- Andy Gas Southern Limited2003
- Apex Mechanical Projects Ltd2019
All plumbing and heating companies in Portsmouth · All trades in Portsmouth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Acci Maintenance Ltd's accounts due?
Acci Maintenance Ltd's next accounts are due at Companies House by 6 May 2027 (in 206 days), covering the period to 31 August 2026.
When is Acci Maintenance 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 5 August 2026, due by 5 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Acci Maintenance Ltd still trading?
Acci Maintenance 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 Acci Maintenance Ltd do?
Acci Maintenance Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Acci Maintenance Ltd?
Acci Maintenance Ltd was incorporated on 6 August 2025, 1 year ago.
What is the penalty if Acci Maintenance 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 Acci Maintenance 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.