- Companies
- Electricians
- Glasgow
- RSG Building Services Ltd
RSG Building Services Ltd
- Company number
- SC769938
- Incorporated
- 19 May 20233 years trading
- Registered office
- Ground Floor Suite A, Clydesdale House 300 Springhill Parkway, Glasgow Business Park, Glasgow, G69 6GA
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Other construction installation
RSG Building Services Ltd is a 3-year-old private limited company registered in Glasgow, company number SC769938, one of 623 electrical contractors in Glasgow. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £181K on the year before, to £181K.
- Current assets of £679K against £501K owed within a year: 1.4 times cover.
- 8 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £181K | £11K | £679K | £501K | 8 |
| 31 May 2024 | £100 | £100 |
Where RSG Building Services Ltd is registered
The registered office is in Glasgow (G69), in the Glasgow City local authority area, Scotland. Show G69 6GA on a map.
Other trade companies in G69
- Construct Services LtdScaffolders
- Cmcjoinery LtdBuilders
- V.J.A.K.K Access LtdScaffolders
- Nu City Energy LimitedCivil engineering
- Jto Hospitality LtdFacilities management
- Brady Builders LtdBuilders
- Maxpc LimitedCivil engineering
- Sap Scotland LtdCivil engineering
What happens if RSG Building Services 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- SC769938
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 May 2023 (3 years ago)
- Registered office
- Ground Floor Suite A, Clydesdale House 300 Springhill Parkway, Glasgow Business Park, Glasgow, G69 6GA
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 26 November 2025
- Previous names
- TCS Roofing Ltd (until 25 Jun 2024)
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Glasgow
Other active electrical contractors registered in Glasgow.
- RTRC Ltd2025
- Ruby Fire Services Ltd2023
- RWL Electrical Ltd2024
- Ryan Flood Electrical Ltd2022
- Rytech Contracts Ltd2026
- S Cameron Electrical Ltd2014
- S J Barker Electrical Ltd2008
- S Wilson Electrical Services Limited2020
All electrical contractors in Glasgow · All trades in Glasgow · Electricians across the UK
Frequently asked questions
When are RSG Building Services Ltd's accounts due?
RSG Building Services Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is RSG Building Services Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is RSG Building Services Ltd still trading?
RSG Building Services 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 RSG Building Services Ltd do?
RSG Building Services Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is RSG Building Services Ltd?
RSG Building Services Ltd was incorporated on 19 May 2023, 3 years ago.
What is the penalty if RSG Building Services 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 RSG Building Services 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.