- Companies
- Joiners and carpenters
- Pro-Maint Ltd
Pro-Maint Ltd
- Company number
- 11312513
- Incorporated
- 16 Apr 20188 years trading
- Registered office
- Site Office HTM Business Park, Abergele Road, Rhuddlan, Denbighshire, LL18 5UZ
- Nature of business
- Joinery installation; Other building completion and finishing; Roofing activities; Other specialised construction activities n.e.c.
Pro-Maint Ltd is a 8-year-old private limited company registered in Rhuddlan, company number 11312513, one of the UK's joinery companies. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 up £18 (+18.9%) on the year before, to £113.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £65K against £62K owed within a year: 1.1 times cover.
- 2 employees on average, down from 4 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £113 | £31K | £65K | £62K | 2 |
| 30 Apr 2024 | £95 | £15K | £31K | £25K | 4 |
| 30 Apr 2023 | -£7,081 | £185 | £24K | £25K | 5 |
| 30 Apr 2022 | £145 | £18K | £40K | £26K | 4 |
| 30 Apr 2021 | £674 | £1,996 | £32K | £9,094 | 4 |
| 30 Apr 2020 | £316 | £4,303 | £9,061 | £4,259 | 2 |
| 30 Apr 2019 | £165 | £1,736 | £3,097 | £3,716 | 2 |
Where Pro-Maint Ltd is registered
The registered office is in Rhuddlan (LL18), in the Denbighshire local authority area, Wales. Show LL18 5UZ on a map.
Other trade companies in LL18
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- Kmcleaningservicesuk LtdCleaning companies
- Arc Air Solutions LtdPlumbers and heating engineers
- Earthline Landscapes & Construction LimitedBuilders
- Sonic Solutions NW LtdBuilders
- Eco Climate NW LimitedPlumbers and heating engineers
- Conwy Groundworks LtdFinishing trades
- NRB Renewables LtdElectricians
What happens if Pro-Maint 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 11312513
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 April 2018 (8 years ago)
- Registered office
- Site Office HTM Business Park, Abergele Road, Rhuddlan, Denbighshire, LL18 5UZ
- Nature of business
- Joinery installation (SIC 43320)
Other building completion and finishing (SIC 43390)
Roofing activities (SIC 43910)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 24 January 2026
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies
Other active joinery companies.
Frequently asked questions
When are Pro-Maint Ltd's accounts due?
Pro-Maint Ltd's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Pro-Maint Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Pro-Maint Ltd still trading?
Pro-Maint 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 Pro-Maint Ltd do?
Pro-Maint Ltd is registered under Joinery installation (SIC 43320); Other building completion and finishing (SIC 43390); Roofing activities (SIC 43910); Other specialised construction activities n.e.c. (SIC 43999).
How old is Pro-Maint Ltd?
Pro-Maint Ltd was incorporated on 16 April 2018, 8 years ago.
What is the penalty if Pro-Maint 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 Pro-Maint 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.