- Company number
- SC372417
- Incorporated
- 4 Feb 201016 years trading
- Registered office
- C/O SRG LLP, 4TH Floor, Turnberry House, 175 West George Street, Glasgow, Lanarkshire, G2 2LB
- Nature of business
- Roofing activities
External Systems Limited is a 16-year-old private limited company registered in Glasgow, company number SC372417, one of 204 roofing companies in Glasgow. 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 £227K (+30.9%) on the year before, to £962K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £1.3M against £326K owed within a year: 3.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £962K | £966K | £1.3M | £326K | 0 |
| 28 Feb 2024 | £735K | £508K | £1.2M | £519K | 7 |
| 28 Feb 2023 | £665K | £433K | £994K | £325K | 8 |
| 28 Feb 2022 | £675K | £383K | £926K | £245K | 8 |
| 28 Feb 2021 | £678K | £431K | £937K | £259K | 6 |
| 28 Feb 2020 | £833K | £545K | £1.1M | £236K | 6 |
| 28 Feb 2019 | £856K | £528K | £1.2M | £306K | |
| 28 Feb 2018 | £597K | £616K | £926K | £347K | |
| 28 Feb 2017 | £250K | £268K | £754K | £516K | 12 |
| 29 Feb 2016 | £217K | £89K | £422K |
Where External Systems Limited is registered
The registered office is in Glasgow (G2), in the Glasgow City local authority area, Scotland. Show G2 2LB on a map.
Other trade companies in G2
- Averloch Contracting LimitedCivil engineering
- Halcyon Sports Services LtdProperty developers
- Kiess & Co. Decorators LtdPainters and decorators
- The Three Sisters Furniture and Flooring LtdFloor and wall tilers
- Projectform Construction LtdJoiners and carpenters
- The Scaffold Network Scotland LtdScaffolders
- Hanlon Property Solutions LtdJoiners and carpenters
- Bellroc Mould Solutions LimitedPainters and decorators
Also registered at this address
4 other companies use the same registered office as External Systems Limited.
- Corrennie Projects LimitedProperty developers
- Craig Engineering Services LtdMachinery repair and installation
- DR Offshore Services LtdSpecialist contractors
- GMC Resin LtdSpecialist contractors
What happens if External Systems 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 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
- SC372417
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 February 2010 (16 years ago)
- Registered office
- C/O SRG LLP, 4TH Floor, Turnberry House, 175 West George Street, Glasgow, Lanarkshire, G2 2LB
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 4 February 2026
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Glasgow
Other active roofing companies registered in Glasgow.
- F D Roofing & Cladding Ltd2013
- F M Roofing & Solar Installations Ltd2025
- Faulds Roofing and Cladding Limited2018
- Feltify Ltd2026
- Ferguson Kellock Limited2017
- Fitzpatrick Roofing Ltd2017
- Fort Roofing Limited2018
- Fortis Roofing & Cladding Ltd2025
All roofing companies in Glasgow · All trades in Glasgow · Roofers across the UK
Frequently asked questions
When are External Systems Limited's accounts due?
External Systems Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is External Systems Limited'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 External Systems Limited still trading?
External Systems 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 External Systems Limited do?
External Systems Limited is registered under Roofing activities (SIC 43910).
How old is External Systems Limited?
External Systems Limited was incorporated on 4 February 2010, 16 years ago.
What is the penalty if External Systems 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 External Systems 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.