- Companies
- Electricians
- Durham
- C Thompson Ltd
C Thompson Ltd
- Company number
- 13404203
- Incorporated
- 17 May 20215 years trading
- Registered office
- Oakmere, Belmont Business Park, Durham, DH1 1TW
- Nature of business
- Electrical installation
C Thompson Ltd is a 5-year-old private limited company registered in Durham, company number 13404203, one of 46 electrical contractors in Durham. 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 up £3,874 (+935.7%) on the year before, to £4,288.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £4,288 | £38K | £46K | 2 | |
| 31 May 2024 | £414 | £31K | £37K | £45K | 2 |
| 31 May 2023 | £807 | £12K | £16K | £22K | 2 |
| 31 May 2022 | £495 | £25K | £26K | £33K | 2 |
Where C Thompson Ltd is registered
The registered office is in Durham (DH1), in the County Durham local authority area, North East. Show DH1 1TW on a map.
Other trade companies in DH1
- Drives & Patios 4 You LtdLandscapers and gardeners
- Hanser LimitedBuilders
- McCluskey Roofing North East LtdRoofers
- Phone and Laptop Repairs Ne LtdRepair services
- Tyne & Wear Commercial Cleaning LtdCleaning companies
- HZG Projects LimitedCivil engineering
- Damiora Group LtdFacilities management
- James Lawton Homes ( Whickham Farm ) LtdProperty developers
Shared registered office
35 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if C Thompson Ltd 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
- 13404203
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 May 2021 (5 years ago)
- Registered office
- Oakmere, Belmont Business Park, Durham, DH1 1TW
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 1 May 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 Durham
Other active electrical contractors registered in Durham.
- Casa Installations Limited2022
- Ceen Solar Services Ltd2026
- Cma Electrical Limited2015
- Commercial Solar Power UK Ltd2020
- Coptek Electrical Ltd2021
- Devereux Energy Ltd2026
- DLM Electrical Services Ltd2026
- East Durham Electrical Ltd2025
All electrical contractors in Durham · All trades in Durham · Electricians across the UK
Frequently asked questions
When are C Thompson Ltd's accounts due?
C Thompson Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is C Thompson Ltd'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 C Thompson Ltd still trading?
C Thompson Ltd 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 C Thompson Ltd do?
C Thompson Ltd is registered under Electrical installation (SIC 43210).
How old is C Thompson Ltd?
C Thompson Ltd was incorporated on 17 May 2021, 5 years ago.
What is the penalty if C Thompson Ltd 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 C Thompson Ltd 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.