- Companies
- Electricians
- London
- Marte Tech Limited
Marte Tech Limited
- Company number
- 13390628
- Incorporated
- 12 May 20215 years trading
- Registered office
- 17 Green Lanes, London, N16 9BS
- Nature of business
- Electrical installation; Other specialised construction activities n.e.c.; Retail sale via mail order houses or via Internet; Other engineering activities
Marte Tech Limited is a 5-year-old private limited company registered in London, company number 13390628, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £2,460 on the year before, to £2,692.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £2,963 against £271 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £2,692 | £2,963 | £2,963 | £271 | 1 |
| 31 Jan 2025 | £232 | £2,785 | £3,435 | £3,203 | 1 |
| 31 Jan 2024 | £173 | £4,161 | £3,988 | 1 | |
| 31 Jan 2023 | £255 | £9,631 | £9,376 | 1 | |
| 31 Jan 2022 | £285 | £7,740 | £7,455 | 1 |
Where Marte Tech Limited is registered
The registered office is in London (N16), in the Islington local authority area, London. Show N16 9BS on a map.
Other trade companies in N16
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- RSV2Cleaning LtdCleaning companies
- Tura Property Solutions LtdBuilders
- Stokey Group LtdPlumbers and heating engineers
- Core Maintenance London LtdFinishing trades
- JSW Bathrooms LimitedElectricians
- Y.E.D. Building and Construction Services LtdPlumbers and heating engineers
- Olga Services LtdBuilders
Shared registered office
61 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 Marte Tech 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 13390628
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 May 2021 (5 years ago)
- Registered office
- 17 Green Lanes, London, N16 9BS
- Nature of business
- Electrical installation (SIC 43210)
Other specialised construction activities n.e.c. (SIC 43999)
Retail sale via mail order houses or via Internet (SIC 47910)
Other engineering activities (SIC 71129) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 19 March 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 London
Other active electrical contractors registered in London.
- Martin & Co Electrical Ltd2016
- Martini Electricals Ltd2023
- Marvel Electrical Limited2014
- Mason Infrastructure Ltd2026
- Master Wire Pros Limited2025
- Masterfit Renovations Limited2025
- Mastertech Electrical Services Ltd2012
- Mastir Ltd2026
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Marte Tech Limited's accounts due?
Marte Tech Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Marte Tech Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Marte Tech Limited still trading?
Marte Tech 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 Marte Tech Limited do?
Marte Tech Limited is registered under Electrical installation (SIC 43210); Other specialised construction activities n.e.c. (SIC 43999); Retail sale via mail order houses or via Internet (SIC 47910); Other engineering activities (SIC 71129).
How old is Marte Tech Limited?
Marte Tech Limited was incorporated on 12 May 2021, 5 years ago.
What is the penalty if Marte Tech 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 Marte Tech 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.