- Companies
- Electricians
- Darlington
- NJS Limited
NJS Limited
- Company number
- 05839722
- Incorporated
- 7 Jun 200620 years trading
- Registered office
- 11 Westerhope Court, Darlington, County Durham, DL3 0TD
- Nature of business
- Electrical installation
NJS Limited is a 20-year-old private limited company registered in Darlington, company number 05839722, one of 59 electrical contractors in Darlington. 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 down £6,426 (-188.3%) on the year before, to -£3,013.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £6,261 against £11K owed within a year: 0.6 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 May 2025 | -£3,013 | £6,261 | £11K | 0 | |
| 31 May 2024 | £3,413 | £13K | £11K | 3 | |
| 31 May 2023 | £1,326 | £12K | £12K | 3 | |
| 31 May 2022 | £495 | £11K | £14K | 3 | |
| 31 May 2021 | £1,270 | £8,443 | £14K | 3 | |
| 31 May 2020 | £3,770 | £2,968 | £6,806 | 3 | |
| 31 May 2019 | £2,037 | £2,605 | £7,967 | 3 | |
| 31 May 2018 | £4,642 | £4,082 | £6,481 | ||
| 31 May 2017 | £13K | £12K | £8,216 | ||
| 31 May 2016 | £224 | £4,198 | £5,027 | £15K |
Where NJS Limited is registered
The registered office is in Darlington (DL3), in the Darlington local authority area, North East. Show DL3 0TD on a map.
Other trade companies in DL3
- Shine With Helen LtdCleaning companies
- RJB Consultants LtdInstallers
- Garry's Car Valeting LtdCleaning companies
- Go Elite Cleaning Services LtdCleaning companies
- BGP Property LtdProperty developers
- Frontier Energy Services LtdPlumbers and heating engineers
- Andrew Morgan Joinery LtdJoiners and carpenters
- Aburns Engineering LtdBuilders
What happens if NJS 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 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
- 05839722
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 June 2006 (20 years ago)
- Registered office
- 11 Westerhope Court, Darlington, County Durham, DL3 0TD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 7 June 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 Darlington
Other active electrical contractors registered in Darlington.
- Oel Technical Services Limited2021
- Powercare Electrical Services Limited2010
- S.E.M. Electrical Limited2004
- Secure Electronic Engineering Ltd2009
- Select Electrical Ne Ltd2021
- SSP Electrical Limited2023
- Suntrack Energy Solutions Ltd2025
- Talon Electrical North East Limited2010
All electrical contractors in Darlington · All trades in Darlington · Electricians across the UK
Frequently asked questions
When are NJS Limited's accounts due?
NJS Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is NJS Limited'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 NJS Limited still trading?
NJS 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 NJS Limited do?
NJS Limited is registered under Electrical installation (SIC 43210).
How old is NJS Limited?
NJS Limited was incorporated on 7 June 2006, 20 years ago.
What is the penalty if NJS 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 NJS 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.