- Companies
- Electricians
- Stockton-on-Tees
- Mark William Cowen Ltd
Mark William Cowen Ltd
- Company number
- 07492744
- Incorporated
- 14 Jan 201115 years trading
- Registered office
- 40 Station Road, Stockton-on-Tees, TS20 1NH
- Nature of business
- Electrical installation
Mark William Cowen Ltd is a 15-year-old private limited company registered in Stockton-on-Tees, company number 07492744, one of 121 electrical contractors in Stockton-on-Tees. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £6,547 on the year before, to £7,005.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- 1 employee 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 Jan 2025 | £7,005 | £17K | £9,249 | 1 | |
| 31 Jan 2024 | £458 | £26K | £6,393 | 1 | |
| 31 Jan 2023 | £1,389 | £41K | £7,023 | 1 | |
| 31 Jan 2022 | £3,659 | £33K | £7,694 | 1 | |
| 31 Jan 2021 | £75 | £37K | £3,383 | 1 | |
| 31 Jan 2020 | £389 | £17K | £2,004 | 1 | |
| 31 Jan 2019 | £1,355 | £38K | £9,245 | 1 | |
| 31 Jan 2018 | £928 | £43K | £1,834 | 1 | |
| 31 Jan 2017 | £819 | £37K | £5,652 | ||
| 31 Jan 2016 | £378 | £31K | £31K | £5,650 |
Where Mark William Cowen Ltd is registered
The registered office is in Stockton-on-Tees (TS20), in the Stockton-on-Tees local authority area, North East. Show TS20 1NH on a map.
Other trade companies in TS20
- The Car Haus Ne LtdMotor traders
- Distrubution Electrical Contractor LtdInstallers
- C M Leck LtdPainters and decorators
- Perfect Guest Cleaning LtdCleaning companies
- CDM Contracts LtdBuilders
- Economy Remaps Security & Diagnostics LimitedMechanics and garages
- Fencomms LtdCivil engineering
- MC Lifting LtdBuilders
What happens if Mark William Cowen 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 07492744
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 January 2011 (15 years ago)
- Registered office
- 40 Station Road, Stockton-on-Tees, TS20 1NH
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 24 December 2025
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 Stockton-on-Tees
Other active electrical contractors registered in Stockton-on-Tees.
- Marshall Clean Heat and Power Ltd2008
- Marton Electrical Limited1999
- McJe Electrical Ltd2026
- Metlec Ltd2026
- MLD High Voltage Power Services Ltd2025
- MNP (Electrical Services) Limited2002
- Murray Mill Ltd2018
- Mustoe Engineering Ltd2023
All electrical contractors in Stockton-on-Tees · All trades in Stockton-on-Tees · Electricians across the UK
Frequently asked questions
When are Mark William Cowen Ltd's accounts due?
Mark William Cowen Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Mark William Cowen Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Mark William Cowen Ltd still trading?
Mark William Cowen 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 Mark William Cowen Ltd do?
Mark William Cowen Ltd is registered under Electrical installation (SIC 43210).
How old is Mark William Cowen Ltd?
Mark William Cowen Ltd was incorporated on 14 January 2011, 15 years ago.
What is the penalty if Mark William Cowen 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 Mark William Cowen 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.