- Companies
- Plumbers and heating engineers
- Erskine
- S.M.P. Contracts Ltd.
S.M.P. Contracts Ltd.
- Company number
- SC411869
- Incorporated
- 23 Nov 201114 years trading
- Registered office
- 16 16 Cairnmaith, Erskine, PA8 7FA
- Nature of business
- Plumbing, heat and air-conditioning installation
S.M.P. Contracts Ltd. is a 14-year-old private limited company registered in Erskine, company number SC411869, one of the UK's plumbing and heating companies. Companies House shows its accounts as overdue: they were due on 31 August 2026.
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 £3,426 (+88.3%) on the year before, to £7,308.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £4,744 against £5,267 owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £7,308 | £4,744 | £5,267 | 0 | |
| 30 Nov 2023 | £3,882 | £3,150 | £25K | 0 | |
| 30 Nov 2022 | £4 | £2 | |||
| 30 Nov 2021 | £4 | £2 | |||
| 30 Nov 2020 | £4 | £2 | |||
| 30 Nov 2019 | £1 | ||||
| 30 Nov 2018 | £1 | ||||
| 30 Nov 2017 | £2 | £1 | |||
| 30 Nov 2016 | £2 | £1 | |||
| 30 Nov 2015 | £1 | £1 |
Where S.M.P. Contracts Ltd. is registered
The registered office is in Erskine (PA8), in the Renfrewshire local authority area, Scotland. Show PA8 7FA on a map.
Other trade companies in PA8
- Cochrane & Co Property Care LtdCleaning companies
- Bonza Projects LimitedProperty developers
- Glasgow Pro Clean LtdCleaning companies
- DRK Industrial Services LimitedSpecialist contractors
- High Tide Lifting LtdMachinery repair and installation
- MK Caldwell Plumbing & Heating LtdPlumbers and heating engineers
- NL Hydraulics LtdMachinery repair and installation
- Lady & the Trowel LimitedPlasterers
What happens if S.M.P. Contracts Ltd. files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- SC411869
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 November 2011 (14 years ago)
- Registered office
- 16 16 Cairnmaith, Erskine, PA8 7FA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 22 July 2025
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 Erskine
Other active plumbing and heating companies registered in Erskine.
All plumbing and heating companies in Erskine · All trades in Erskine · Plumbers and heating engineers across the UK
Frequently asked questions
When are S.M.P. Contracts Ltd.'s accounts due?
S.M.P. Contracts Ltd.'s accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is S.M.P. Contracts Ltd.'s CT600 due?
The CT600 for the period to 30 November 2025 is due at HMRC by 30 November 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2026.
Is S.M.P. Contracts Ltd. still trading?
S.M.P. Contracts Ltd. is listed as active on the Companies House register (checked 13 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 S.M.P. Contracts Ltd. do?
S.M.P. Contracts Ltd. is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is S.M.P. Contracts Ltd.?
S.M.P. Contracts Ltd. was incorporated on 23 November 2011, 14 years ago.
What is the penalty if S.M.P. Contracts 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 S.M.P. Contracts Ltd. on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.