- Companies
- Electricians
- Littlehampton
- Martek Electrical South Ltd
Martek Electrical South Ltd
- Company number
- 12656899
- Incorporated
- 9 Jun 20206 years trading
- Registered office
- 17 Tideway, Littlehampton, West Sussex, BN17 6PP
- Nature of business
- Electrical installation
Martek Electrical South Ltd is a 6-year-old private limited company registered in Littlehampton, company number 12656899, one of 40 electrical contractors in Littlehampton. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Martek Electrical South LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £369 (-98.9%) on the year before, to £4.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £11K against £12K owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £4 | £6,487 | £11K | £12K | 1 |
| 30 Jun 2024 | £373 | £5,254 | £4,881 | 1 | |
| 30 Jun 2023 | £728 | £3,312 | £2,584 | 1 | |
| 30 Jun 2022 | £1 | £1 | 0 | ||
| 30 Jun 2021 | £0 | £0 | £0 | 0 |
Where Martek Electrical South Ltd is registered
The registered office is in Littlehampton (BN17), in the Arun local authority area, South East. Show BN17 6PP on a map.
Other trade companies in BN17
- The Specialist Car Centre LtdMotor traders
- Flow Bros LtdPlumbers and heating engineers
- Garlands Engineering LtdElectricians
- Castle View P&H LtdPlumbers and heating engineers
- Meridian Pipework Services LtdPlumbers and heating engineers
- Sussex Brown Sparks LtdElectricians
- Coastal Construction and Carpentry LtdBuilders
- Arch Enclosures UK LtdInstallers
What happens if Martek Electrical South 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12656899
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 June 2020 (6 years ago)
- Registered office
- 17 Tideway, Littlehampton, West Sussex, BN17 6PP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 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 Littlehampton
Other active electrical contractors registered in Littlehampton.
- ML Electrical Services (Sussex) Ltd2017
- Moving Power Ltd2021
- Ot Electrical Contractors Ltd2025
- P & H Electrical Solutions Ltd2014
- Paul Reddick Electrical Limited2014
- Property Compliance Experts Ltd2026
- R T Electrical Services Limited2015
- Rkec Limited2005
All electrical contractors in Littlehampton · All trades in Littlehampton · Electricians across the UK
Frequently asked questions
When are Martek Electrical South Ltd's accounts due?
Martek Electrical South Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Martek Electrical South Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Martek Electrical South Ltd still trading?
Martek Electrical South 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 Martek Electrical South Ltd do?
Martek Electrical South Ltd is registered under Electrical installation (SIC 43210).
How old is Martek Electrical South Ltd?
Martek Electrical South Ltd was incorporated on 9 June 2020, 6 years ago.
What is the penalty if Martek Electrical South 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 Martek Electrical South 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.