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  4. Martton Limited

Martton Limited

ActiveMicro-entity accountsElectriciansRainham
Company number
06447899
Incorporated
7 Dec 200718 years trading
Registered office
47 Cherry Tree Lane, Rainham, Essex, RM13 8TR
Nature of business
Electrical installation; Plumbing, heat and air-conditioning installation; Other construction installation; Plastering
Accounts due in
353 days
30 Sep 2027
Net assets
£26K▲
+24.1% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Martton Limited is a 18-year-old private limited company registered in Rainham, company number 06447899, one of 33 electrical contractors in Rainham. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
30 Sep 2027
in 353 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 445 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 354 days
9 months and 1 day after the period end
Confirmation statement
21 Dec 2026
in 70 days
Last made up to 7 Dec 2025

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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 £5,102 (+24.1%) on the year before, to £26K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £26K against £5,932 owed within a year: 4.4 times cover.
  • 1 employee on average, down from 2 the year before.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£10K£20K31 December 2016: net assets £268£268201631 December 2017: net assets £77£77201731 December 2018: net assets £3,107£3,107201831 December 2019: net assets £9,714£9,714201931 December 2020: net assets £9,458£9,458202031 December 2021: net assets £5,593£5,593202131 December 2022: net assets £247£247202231 December 2023: net assets £16K£16K202331 December 2024: net assets £21K£21K202431 December 2025: net assets £26K£26K2025
Net assets at each year end, 2016 to 2025£0£10K£20K31 December 2016: net assets £268£268'1631 December 2017: net assets £77£77'1731 December 2018: net assets £3,107£3,107'1831 December 2019: net assets £9,714£9,714'1931 December 2020: net assets £9,458£9,458'2031 December 2021: net assets £5,593£5,593'2131 December 2022: net assets £247£247'2231 December 2023: net assets £16K£16K'2331 December 2024: net assets £21K£21K'2431 December 2025: net assets £26K£26K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£26K£26K£5,9321
31 Dec 2024£21K£23K£8,8352
31 Dec 2023£16K£23K£6,9222
31 Dec 2022£247£11K£10K1
31 Dec 2021£5,593£30K£25K1
31 Dec 2020£9,458£27K£18K1
31 Dec 2019£9,714£20K£11K1
31 Dec 2018£3,107£12K£11K
31 Dec 2017£77£10K£12K
31 Dec 2016£268£16K£18K

Where Martton Limited is registered

Martton Limited's registered office on a map of the UK

The registered office is in Rainham (RM13), in the Havering local authority area, London. Show RM13 8TR on a map.

Other trade companies in RM13

What happens if Martton 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 September 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Oct 2027 to 31 Oct 2027£150
1 to 3 months late1 Nov 2027 to 31 Dec 2027£375
3 to 6 months late1 Jan 2028 to 31 Mar 2028£750
More than 6 months lateFrom 1 Apr 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Jan 2028£200
3 months late31 Mar 2028another £200
6 months late30 Jun 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Dec 2028another 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
06447899
Status
Active
Company type
Private limited company
Incorporated
7 December 2007 (18 years ago)
Registered office
47 Cherry Tree Lane, Rainham, Essex, RM13 8TR
Nature of business
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Plastering (SIC 43310)
Year end
31 December (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 December 2025
Last confirmation statement
7 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 Rainham

Other active electrical contractors registered in Rainham.

All electrical contractors in Rainham · All trades in Rainham · Electricians across the UK

Frequently asked questions

When are Martton Limited's accounts due?

Martton Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.

When is Martton Limited's CT600 due?

The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.

Is Martton Limited still trading?

Martton 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 Martton Limited do?

Martton Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Plastering (SIC 43310).

How old is Martton Limited?

Martton Limited was incorporated on 7 December 2007, 18 years ago.

What is the penalty if Martton 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 Martton Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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