- Companies
- Civil engineering
- Edinburgh
- GS Mechanical Engineering Ltd
GS Mechanical Engineering Ltd
- Company number
- SC536537
- Incorporated
- 27 May 201610 years trading
- Registered office
- 5 South Charlotte Street, South Charlotte Street, Edinburgh, EH2 4AN
- Nature of business
- Construction of other civil engineering projects n.e.c.
GS Mechanical Engineering Ltd is a 10-year-old private limited company registered in Edinburgh, company number SC536537, one of 68 civil engineering contractors in Edinburgh. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £23K (+44.1%) on the year before, to £74K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £89K against £21K owed within a year: 4.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £74K | £89K | £21K | 0 | |
| 31 Dec 2024 | £52K | £56K | £11K | 1 | |
| 31 Dec 2023 | £50K | £54K | £9,455 | 1 | |
| 31 Dec 2022 | £42K | £56K | £12K | 1 | |
| 31 Dec 2021 | £15K | £52K | £30K | 1 | |
| 31 Dec 2020 | £248 | £8,893 | £3,487 | 1 | |
| 31 Dec 2019 | £7,857 | £13K | £5,392 | 1 | |
| 31 Jul 2019 | £8,627 | £15K | £6,754 | 1 | |
| 31 Jul 2018 | £5,815 | ||||
| 31 Jul 2017 | £5,476 | £9,126 | £3,950 |
Where GS Mechanical Engineering Ltd is registered
The registered office is in Edinburgh (EH2), in the City of Edinburgh local authority area, Scotland. Show EH2 4AN on a map.
Other trade companies in EH2
- Pop Anton LtdBuilders
- Prim and Proper Cleaning Scotland LtdCleaning companies
- TDC Properties LtdProperty developers
- Featheredge Property Solutions LtdFacilities management
- M Woodhead Engineering LtdElectricians
- MMG Surface Solutions LtdCleaning companies
- East Side Joinery & Construction LtdBuilders
- Oryx Energy LtdElectricians
Shared registered office
167 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 GS Mechanical Engineering 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- SC536537
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 May 2016 (10 years ago)
- Registered office
- 5 South Charlotte Street, South Charlotte Street, Edinburgh, EH2 4AN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 2 May 2026
- Previous names
- Gsmechanical&Labouringservices Ltd (until 4 Oct 2016)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Edinburgh
Other active civil engineering contractors registered in Edinburgh.
- Hamilton Anderson Limited2013
- HPC Tubing Limited2025
- Impellere Construction Ltd2024
- Invictus Rail & Civils Ltd2022
- Ion Wind Ltd2019
- James Potter Properties Limited1987
- JBL Plant Services Limited2022
- Lecoo Ltd2019
All civil engineering contractors in Edinburgh · All trades in Edinburgh · Civil engineering across the UK
Frequently asked questions
When are GS Mechanical Engineering Ltd's accounts due?
GS Mechanical Engineering Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is GS Mechanical Engineering Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is GS Mechanical Engineering Ltd still trading?
GS Mechanical Engineering 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 GS Mechanical Engineering Ltd do?
GS Mechanical Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is GS Mechanical Engineering Ltd?
GS Mechanical Engineering Ltd was incorporated on 27 May 2016, 10 years ago.
What is the penalty if GS Mechanical Engineering 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 GS Mechanical Engineering 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.