- Companies
- Electricians
- Boston
- SJG Electrical and Security Limited
SJG Electrical and Security Limited
- Company number
- 06976449
- Incorporated
- 30 Jul 200917 years trading
- Registered office
- Sheepgate, Leverton, Boston, Lincolnshire, PE22 0AS
- Nature of business
- Electrical installation
SJG Electrical and Security Limited is a 17-year-old private limited company registered in Boston, company number 06976449, one of 42 electrical contractors in Boston. 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 down £53K (-10.6%) on the year before, to £445K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £649K against £287K owed within a year: 2.3 times cover.
- 19 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | £445K | £244K | £649K | £287K | 19 |
| 31 Dec 2024 | £497K | £372K | £794K | £368K | 19 |
| 31 Dec 2023 | £513K | £307K | £735K | £285K | 20 |
| 31 Dec 2022 | £282K | £152K | £610K | £340K | 19 |
| 31 Dec 2021 | £124K | £32K | £395K | £275K | 15 |
| 31 Dec 2020 | £83K | £32K | £373K | £282K | 13 |
| 31 Dec 2019 | £149K | £8,733 | £388K | £274K | 14 |
| 31 Dec 2018 | £120K | £61K | £414K | £325K | 13 |
| 31 Dec 2017 | £87K | £40K | £402K | £356K | 12 |
| 31 Dec 2016 | £71K | £18K | £510K | £488K | 12 |
Where SJG Electrical and Security Limited is registered
The registered office is in Boston (PE22), in the Boston local authority area, East Midlands. Show PE22 0AS on a map.
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- GG Engineering LtdMechanics and garages
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What happens if SJG Electrical and Security 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 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
- 06976449
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 July 2009 (17 years ago)
- Registered office
- Sheepgate, Leverton, Boston, Lincolnshire, PE22 0AS
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 30 July 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
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 Boston
Other active electrical contractors registered in Boston.
- Smiths Electrical (Boston) Limited2006
- Staples Electrical Engineering Limited2021
- Strategy Electrical Limited2024
- T G Morgan Electrical Ltd2018
- WDS Electrical Services Ltd2018
- Wrenfield Electrical Ltd2021
- A1 Electrical Services Limited2018
- Acl Electrical and Building Services Limited2015
All electrical contractors in Boston · All trades in Boston · Electricians across the UK
Frequently asked questions
When are SJG Electrical and Security Limited's accounts due?
SJG Electrical and Security Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is SJG Electrical and Security Limited'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 SJG Electrical and Security Limited still trading?
SJG Electrical and Security 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 SJG Electrical and Security Limited do?
SJG Electrical and Security Limited is registered under Electrical installation (SIC 43210).
How old is SJG Electrical and Security Limited?
SJG Electrical and Security Limited was incorporated on 30 July 2009, 17 years ago.
What is the penalty if SJG Electrical and Security 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 SJG Electrical and Security 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.