- Companies
- Electricians
- CSN Services Limited
CSN Services Limited
- Company number
- 12097353
- Incorporated
- 11 Jul 20197 years trading
- Registered office
- Taroona House, Tundry Way, Blaydon, Tyne And Wear, NE21 5SJ
- Nature of business
- Electrical installation; Wired telecommunications activities; Security systems service activities
CSN Services Limited is a 7-year-old private limited company registered in Blaydon, company number 12097353, one of the UK's electrical contractors. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £43K on the year before, to £43K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £61K against £115K owed within a year: 0.5 times cover.
- 7 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £43K | £61K | £115K | 7 | |
| 31 Jul 2024 | £422 | £26K | £57K | 7 | |
| 31 Jul 2023 | £17K | £26K | £56K | 7 | |
| 31 Jul 2022 | £24K | £72K | £36K | 7 | |
| 31 Jul 2021 | £6,207 | £50K | £35K | 0 | |
| 31 Jul 2020 | £1,777 | £25K | £7,168 | 0 |
Where CSN Services Limited is registered
The registered office is in Blaydon (NE21), in the Gateshead local authority area, North East. Show NE21 5SJ on a map.
Other trade companies in NE21
- Blue Whippet Heating LtdPlumbers and heating engineers
- Kane Enterprises LtdBuilders
- Labourn Groundworks LimitedCivil engineering
- Hanover Car Sales LtdMotor traders
- MRS Zaib Nisa LimitedMotor traders
- Murph Made Joinery LtdJoiners and carpenters
- Crisp Roofing Solutions LtdRoofers
- Sunderland Roofer LtdRoofers
What happens if CSN Services 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12097353
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 July 2019 (7 years ago)
- Registered office
- Taroona House, Tundry Way, Blaydon, Tyne And Wear, NE21 5SJ
- Nature of business
- Electrical installation (SIC 43210)
Wired telecommunications activities (SIC 61100)
Security systems service activities (SIC 80200) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 9 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
Other active electrical contractors.
Frequently asked questions
When are CSN Services Limited's accounts due?
CSN Services Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is CSN Services Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is CSN Services Limited still trading?
CSN Services 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 CSN Services Limited do?
CSN Services Limited is registered under Electrical installation (SIC 43210); Wired telecommunications activities (SIC 61100); Security systems service activities (SIC 80200).
How old is CSN Services Limited?
CSN Services Limited was incorporated on 11 July 2019, 7 years ago.
What is the penalty if CSN Services 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 CSN Services 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.