- Companies
- Machinery repair and installation
- Clydebank
- Sji Boyle Engineering Limited
Sji Boyle Engineering Limited
- Company number
- SC475019
- Incorporated
- 10 Apr 201412 years trading
- Registered office
- 150 Mirren Drive, Clydebank, G81 6LD
- Nature of business
- Repair of other equipment
Sji Boyle Engineering Limited is a 12-year-old private limited company registered in Clydebank, company number SC475019, one of 10 machinery repair and installation companies in Clydebank. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 unchanged on the year before, at £100.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £2,148 against £677 owed within a year: 3.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £100 | £1,545 | £2,148 | £677 | 1 |
| 31 Mar 2025 | £100 | £1,773 | £2,787 | £3,090 | 1 |
| 31 Mar 2024 | £100 | £2,645 | £2,759 | 1 | |
| 31 Mar 2023 | -£12K | £1,910 | 1 | ||
| 31 Mar 2022 | -£12K | £3,257 | £15K | 1 | |
| 31 Mar 2021 | £6,009 | £2,488 | £1,955 | 1 | |
| 31 Mar 2020 | £6,048 | £12K | £6,060 | 1 | |
| 31 Mar 2019 | -£145 | -£2,887 | £2,742 | ||
| 31 Mar 2018 | -£3,902 | -£12K | £8,259 | ||
| 31 Mar 2017 | £10K | £9,075 | £16K | £5,765 |
Where Sji Boyle Engineering Limited is registered
The registered office is in Clydebank (G81), in the West Dunbartonshire local authority area, Scotland. Show G81 6LD on a map.
Other trade companies in G81
- A&E Stonework LtdProperty developers
- North Construction & Utilities LtdInstallers
- Tyres 24/7 LtdMechanics and garages
- FL Jointing Solutions LimitedInstallers
- Adn Secure LtdMotor traders
- Happy Clean Homes LimitedCleaning companies
- Smiley. Tyres & Exhaust LimitedMotor traders
- G15 Automotive Services LimitedMechanics and garages
What happens if Sji Boyle Engineering 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- SC475019
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 April 2014 (12 years ago)
- Registered office
- 150 Mirren Drive, Clydebank, G81 6LD
- Nature of business
- Repair of other equipment (SIC 33190)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 10 April 2026
- Previous names
- Boyle Scott Ian 39071 Limited (until 23 Apr 2014)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Clydebank
Other active machinery repair and installation companies registered in Clydebank.
- All Tech Exchange Ltd2025
- Cam Integration Limited2014
- Clydebank Car and Taxi Repairs Ltd2016
- Clydeside Property Maintenance Ltd2018
- Glebe Tech Services Ltd2026
- Griffin Air Systems Ltd.2005
- Gunnaflex Hydraulic Services Ltd2011
- Peg Automotive Ltd2017
All machinery repair and installation companies in Clydebank · All trades in Clydebank · Machinery repair and installation across the UK
Frequently asked questions
When are Sji Boyle Engineering Limited's accounts due?
Sji Boyle Engineering Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Sji Boyle Engineering Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Sji Boyle Engineering Limited still trading?
Sji Boyle Engineering 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 Sji Boyle Engineering Limited do?
Sji Boyle Engineering Limited is registered under Repair of other equipment (SIC 33190).
How old is Sji Boyle Engineering Limited?
Sji Boyle Engineering Limited was incorporated on 10 April 2014, 12 years ago.
What is the penalty if Sji Boyle Engineering 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 Sji Boyle Engineering 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.