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  4. Cobra Electrical Services Ltd

Cobra Electrical Services Ltd

ActiveMicro-entity accountsCivil engineeringWitham
Company number
10057153
Incorporated
11 Mar 201610 years trading
Registered office
Dickens House, Guithavon Street, Witham, Essex, CM8 1BJ
Nature of business
Construction of utility projects for electricity and telecommunications
Accounts due in
80 days
31 Dec 2026
Net assets
£122K▲
+79.2% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Cobra Electrical Services Ltd is a 10-year-old private limited company registered in Witham, company number 10057153, one of 8 civil engineering contractors in Witham. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.

Key dates

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

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
22 Apr 2027
in 192 days
Last made up to 8 Apr 2026

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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 £54K (+79.2%) on the year before, to £122K.
  • Net assets rose in 3 of 5 year-on-year comparisons on record.
  • Current assets of £143K against £48K owed within a year: 3.0 times cover.
  • 2 employees on average, down from 3 the year before.
  • Balance sheets on record for 7 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2020 to 2025£0£50K£100K31 March 2020: net assets £67K£67K202031 March 2021: net assets £42K£42K202131 March 2022: net assets £71K£71K202231 March 2023: net assets £64K£64K202331 March 2024: net assets £68K£68K202431 March 2025: net assets £122K£122K2025
Net assets at each year end, 2020 to 2025£0£50K£100K31 March 2020: net assets £67K£67K202031 March 2021: net assets £42K£42K202131 March 2022: net assets £71K£71K202231 March 2023: net assets £64K£64K202331 March 2024: net assets £68K£68K202431 March 2025: net assets £122K£122K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2025£122K£143K£48K2
31 Mar 2024£68K£96K£33K3
31 Mar 2023£64K£124K£41K4
31 Mar 2022£71K£128K£29K5
31 Mar 2021£42K£86K£117K£36K5
31 Mar 2020£67K£74K£79K£23K5
31 Mar 2017£6,055£12K£26K£25K1

Where Cobra Electrical Services Ltd is registered

Cobra Electrical Services Ltd's registered office on a map of the UK

The registered office is in Witham (CM8), in the Braintree local authority area, East of England. Show CM8 1BJ on a map.

Other trade companies in CM8

Shared registered office

43 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 Cobra Electrical Services 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 December 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 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
10057153
Status
Active
Company type
Private limited company
Incorporated
11 March 2016 (10 years ago)
Registered office
Dickens House, Guithavon Street, Witham, Essex, CM8 1BJ
Nature of business
Construction of utility projects for electricity and telecommunications (SIC 42220)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2025
Last confirmation statement
8 April 2026

Filing notes for civil engineering contractors

Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.

Similar companies in Witham

Other active civil engineering contractors registered in Witham.

All civil engineering contractors in Witham · All trades in Witham · Civil engineering across the UK

Frequently asked questions

When are Cobra Electrical Services Ltd's accounts due?

Cobra Electrical Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Cobra Electrical Services Ltd's CT600 due?

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

Is Cobra Electrical Services Ltd still trading?

Cobra Electrical Services 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 Cobra Electrical Services Ltd do?

Cobra Electrical Services Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).

How old is Cobra Electrical Services Ltd?

Cobra Electrical Services Ltd was incorporated on 11 March 2016, 10 years ago.

What is the penalty if Cobra Electrical Services 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 Cobra Electrical Services Ltd 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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