- Companies
- Machinery repair and installation
- Downpatrick
- Smiton Maintenance Limited
Smiton Maintenance Limited
- Company number
- NI649849
- Incorporated
- 14 Dec 20178 years trading
- Registered office
- 20 Tareesh Lane, Annacloy, Downpatrick, BT76 0AR
- Nature of business
- Repair of fabricated metal products
Smiton Maintenance Limited is a 8-year-old private limited company registered in Downpatrick, company number NI649849, one of 11 machinery repair and installation companies in Downpatrick. 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 up £13K (+11.8%) on the year before, to £125K.
- Net assets rose in 7 of 7 year-on-year comparisons on record.
- Current assets of £90K against £52K owed within a year: 1.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £125K | £69K | £90K | £52K | 1 |
| 31 Mar 2024 | £112K | £49K | £70K | £47K | 1 |
| 31 Mar 2023 | £78K | £44K | £70K | £65K | 1 |
| 31 Mar 2022 | £60K | £39K | £64K | £48K | 2 |
| 31 Mar 2021 | £42K | £42K | £61K | £45K | 2 |
| 31 Mar 2020 | £16K | £21K | £32K | £29K | 3 |
| 31 Mar 2019 | £4,320 | £26K | £21K | ||
| 31 Mar 2018 | £100 | £100 |
Where Smiton Maintenance Limited is registered
The registered office is in Downpatrick (BT76), in the Mid Ulster local authority area, Northern Ireland. Show BT76 0AR on a map.
Other trade companies in BT76
- Clean Edge Solutions LtdCleaning companies
- Crawford Commercials LtdMotor traders
- Montgomery Motorsport (N.I.) LtdMotor traders
- Wiltshire Fabrication LtdMachinery repair and installation
What happens if Smiton Maintenance Limited 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
- NI649849
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 December 2017 (8 years ago)
- Registered office
- 20 Tareesh Lane, Annacloy, Downpatrick, BT76 0AR
- Nature of business
- Repair of fabricated metal products (SIC 33110)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 13 December 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Downpatrick
Other active machinery repair and installation companies registered in Downpatrick.
- TR Trucks Ltd2019
- 3C Refrigeration Limited2015
- Ballyvaston Aviation Services Ltd2022
- Chenergy Ltd2025
- D.Hamill Auto Repairs Limited2025
- Highline Lifts Ltd2019
- McCann Aero Ltd2016
- Rccmechanical Ltd2025
All machinery repair and installation companies in Downpatrick · All trades in Downpatrick · Machinery repair and installation across the UK
Frequently asked questions
When are Smiton Maintenance Limited's accounts due?
Smiton Maintenance Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Smiton Maintenance Limited'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 Smiton Maintenance Limited still trading?
Smiton Maintenance Limited 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 Smiton Maintenance Limited do?
Smiton Maintenance Limited is registered under Repair of fabricated metal products (SIC 33110).
How old is Smiton Maintenance Limited?
Smiton Maintenance Limited was incorporated on 14 December 2017, 8 years ago.
What is the penalty if Smiton Maintenance Limited 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 Smiton Maintenance Limited 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.