- Companies
- Plumbers and heating engineers
- Lanark
- GM Contractors (Scotland) Ltd
GM Contractors (Scotland) Ltd
- Company number
- SC527133
- Incorporated
- 17 Feb 201610 years trading
- Registered office
- 118 High Street, Lanark, ML11 7ES
- Nature of business
- Plumbing, heat and air-conditioning installation
GM Contractors (Scotland) Ltd is a 10-year-old private limited company registered in Lanark, company number SC527133, one of 24 plumbing and heating companies in Lanark. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £62K (+190.1%) on the year before, to £29K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £75K against £30K owed within a year: 2.5 times cover.
- 3 employees 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £29K | £75K | £30K | 3 | |
| 29 Feb 2024 | -£32K | £11K | £47K | 3 | |
| 28 Feb 2023 | -£83K | £1,414 | £1,414 | £89K | 6 |
| 28 Feb 2022 | -£75K | £0 | £4,388 | £59K | 3 |
| 28 Feb 2021 | -£53K | £0 | £3,520 | £32K | 5 |
| 29 Feb 2020 | -£5,006 | £0 | £42K | £47K | 4 |
| 28 Feb 2019 | £734 | £8,468 | £13K | £12K | 2 |
| 28 Feb 2018 | -£5,236 | £854 | £854 | £6,090 | 2 |
Where GM Contractors (Scotland) Ltd is registered
The registered office is in Lanark (ML11), in the South Lanarkshire local authority area, Scotland. Show ML11 7ES on a map.
Other trade companies in ML11
- Sterling Renewables Projects LimitedElectricians
- Ejp Kitchens & Bathrooms LtdJoiners and carpenters
- J Frood Double Glazing LtdGlaziers
- Duchray Holdings LimitedSpecialist contractors
- RM Offshore LtdInstallers
- Fletcher Groundworks LimitedInstallers
- Beechtreewright LtdBuilders
- Blackwood Electrical Services LtdElectricians
Shared registered office
32 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if GM Contractors (Scotland) 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- SC527133
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2016 (10 years ago)
- Registered office
- 118 High Street, Lanark, ML11 7ES
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 26 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 Lanark
Other active plumbing and heating companies registered in Lanark.
- Has Renewables Ltd2024
- HR Contractors (Scotland) Ltd2025
- Ian Cuthbert Plumbing and Heating Ltd.2017
- Ignite Scotland Heating Limited2008
- JRT Plumbing and Heating Limited2022
- KMS Plumbing & Heating Services Limited2011
- McKay's Multi Trade Limited2026
- Neilian Homes Limited2026
All plumbing and heating companies in Lanark · All trades in Lanark · Plumbers and heating engineers across the UK
Frequently asked questions
When are GM Contractors (Scotland) Ltd's accounts due?
GM Contractors (Scotland) Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is GM Contractors (Scotland) Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is GM Contractors (Scotland) Ltd still trading?
GM Contractors (Scotland) 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 GM Contractors (Scotland) Ltd do?
GM Contractors (Scotland) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is GM Contractors (Scotland) Ltd?
GM Contractors (Scotland) Ltd was incorporated on 17 February 2016, 10 years ago.
What is the penalty if GM Contractors (Scotland) 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 GM Contractors (Scotland) 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.