- Companies
- Electricians
- Cambridge
- SJB Electrical Contracting Limited
SJB Electrical Contracting Limited
- Company number
- 06942892
- Incorporated
- 24 Jun 200917 years trading
- Registered office
- Suite 5, Ebenezer House Rooks Street, Cottenham, Cambridge, Cambs, CB24 8QZ
- Nature of business
- Electrical installation
SJB Electrical Contracting Limited is a 17-year-old private limited company registered in Cambridge, company number 06942892, one of 111 electrical contractors in Cambridge. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £20K (-28.1%) on the year before, to £50K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £67K against £17K owed within a year: 4.0 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 |
|---|---|---|---|---|---|
| 31 Aug 2025 | £50K | £35K | £67K | £17K | 0 |
| 31 Aug 2024 | £70K | £55K | £89K | £21K | 3 |
| 31 Aug 2023 | £70K | £70K | £87K | £23K | 2 |
| 31 Aug 2022 | £44K | £64K | £79K | £23K | 2 |
| 31 Aug 2021 | £38K | £60K | £96K | £29K | 2 |
| 31 Aug 2020 | £33K | £49K | £71K | £25K | 1 |
| 31 Aug 2019 | £16K | £6,070 | £19K | £13K | |
| 31 Aug 2018 | £16K | £4,660 | £21K | £7,596 | |
| 31 Aug 2017 | £23K | £18K | £35K | £19K | |
| 31 Aug 2016 | £27K | £21K | £45K | £30K |
Where SJB Electrical Contracting Limited is registered
The registered office is in Cambridge (CB24), in the South Cambridgeshire local authority area, East of England. Show CB24 8QZ on a map.
Other trade companies in CB24
- Pro Radiant Cleaners LtdCleaning companies
- C Smith Engineering LtdMachinery repair and installation
- Mykin LimitedElectricians
- A & A Land Development LimitedBuilders
- Menzies Repairs LtdSpecialist contractors
- Adc Mechanical LtdMachinery repair and installation
- Cam Glow Cleaning LimitedCleaning companies
- Majestic Sequoia Group LtdCleaning companies
Also registered at this address
9 other companies use the same registered office as SJB Electrical Contracting Limited.
- Andrew Turner Builders LimitedBuilders
- CB4 LtdProperty developers
- Electricam LimitedElectricians
- NLJ Properties LimitedBuilders
- PRC (Cambs) LimitedLandscapers and gardeners
- Pro Patch LimitedCivil engineering
- Rampton Development LtdProperty developers
- ST Renovations and Building LtdProperty developers
- Universal Groundworks LtdGroundworks and demolition
What happens if SJB Electrical Contracting 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 06942892
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 June 2009 (17 years ago)
- Registered office
- Suite 5, Ebenezer House Rooks Street, Cottenham, Cambridge, Cambs, CB24 8QZ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 22 July 2026
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 Cambridge
Other active electrical contractors registered in Cambridge.
- Smartstart Solutions Limited2021
- Sol Haven Limited2025
- Solarfarm Solutions Limited2016
- Sparks That Fly Electrical Services Limited2021
- TCW Technology Services Ltd2024
- Terry's Electrical Services Ltd.2003
- Thompson Electrical (Cambridge) Limited1986
- Titan Electrical Ltd2019
All electrical contractors in Cambridge · All trades in Cambridge · Electricians across the UK
Frequently asked questions
When are SJB Electrical Contracting Limited's accounts due?
SJB Electrical Contracting Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is SJB Electrical Contracting Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is SJB Electrical Contracting Limited still trading?
SJB Electrical Contracting 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 SJB Electrical Contracting Limited do?
SJB Electrical Contracting Limited is registered under Electrical installation (SIC 43210).
How old is SJB Electrical Contracting Limited?
SJB Electrical Contracting Limited was incorporated on 24 June 2009, 17 years ago.
What is the penalty if SJB Electrical Contracting 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 SJB Electrical Contracting 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.