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  4. Cosic Ltd

Cosic Ltd

ActiveTotal exemption (full) accountsElectriciansWest Drayton
Company number
10271161
Incorporated
11 Jul 201610 years trading
Registered office
Unit 6 Sovereign Court, 633 Sipson Road, West Drayton, Middlesex, UB7 0JE
Nature of business
Electrical installation
Accounts due in
200 days
30 Apr 2027
Net assets
£26K▲
+61.6% on the year before
Cash at bank
£12K▲
At 31 Jul 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Cosic Ltd is a 10-year-old private limited company registered in West Drayton, company number 10271161, one of 21 electrical contractors in West Drayton. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.

Key dates

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

Accounts due
30 Apr 2027
in 200 days
For the period to 31 Jul 2026
CT600 due
31 Jul 2027
in 292 days
Period 1 Aug 2025 to 31 Jul 2026
Corporation tax payment
1 May 2027
in 201 days
9 months and 1 day after the period end
Confirmation statement
26 Oct 2026
in 14 days
Last made up to 12 Oct 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 £9,802 (+61.6%) on the year before, to £26K.
  • Net assets rose in 5 of 8 year-on-year comparisons on record.
  • 2 employees on average during the year.
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£10K£20K31 July 2017: net assets £2,319£2,319201731 July 2018: net assets £3,519£3,519201831 July 2019: net assets £2,175£2,175201931 July 2020: net assets £234£234202031 July 2021: net assets £278£278202131 July 2022: net assets £102£102202231 July 2023: net assets £2,261£2,261202331 July 2024: net assets £16K£16K202431 July 2025: net assets £26K£26K2025
Net assets at each year end, 2017 to 2025£0£10K£20K31 July 2017: net assets £2,319£2,319'1731 July 2018: net assets £3,519£3,519'1831 July 2019: net assets £2,175£2,175'1931 July 2020: net assets £234£234'2031 July 2021: net assets £278£278'2131 July 2022: net assets £102£102'2231 July 2023: net assets £2,261£2,261'2331 July 2024: net assets £16K£16K'2431 July 2025: net assets £26K£26K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jul 2025£26K£12K£2,6532
31 Jul 2024£16K£10K£2,2522
31 Jul 2023£2,261£17K£20K2
31 Jul 2022£102£17K£17K£5,4631
31 Jul 2021£278£20K£20K£6,4621
31 Jul 2020£234£40K£20K4
31 Jul 2019£2,175£3,066£7644
31 Jul 2018£3,519£4,170£672
31 Jul 2017£2,319£2,154

Where Cosic Ltd is registered

Cosic Ltd's registered office on a map of the UK

The registered office is in West Drayton (UB7), in the Hillingdon local authority area, London. Show UB7 0JE on a map.

Other trade companies in UB7

What happens if Cosic 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 30 April 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 May 2027 to 31 May 2027£150
1 to 3 months late1 Jun 2027 to 31 Jul 2027£375
3 to 6 months late1 Aug 2027 to 31 Oct 2027£750
More than 6 months lateFrom 1 Nov 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2027£200
3 months late31 Oct 2027another £200
6 months late31 Jan 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 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
10271161
Status
Active
Company type
Private limited company
Incorporated
11 July 2016 (10 years ago)
Registered office
Unit 6 Sovereign Court, 633 Sipson Road, West Drayton, Middlesex, UB7 0JE
Nature of business
Electrical installation (SIC 43210)
Year end
31 July (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 July 2025
Last confirmation statement
12 October 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 West Drayton

Other active electrical contractors registered in West Drayton.

All electrical contractors in West Drayton · All trades in West Drayton · Electricians across the UK

Frequently asked questions

When are Cosic Ltd's accounts due?

Cosic Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.

When is Cosic Ltd's CT600 due?

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

Is Cosic Ltd still trading?

Cosic 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 Cosic Ltd do?

Cosic Ltd is registered under Electrical installation (SIC 43210).

How old is Cosic Ltd?

Cosic Ltd was incorporated on 11 July 2016, 10 years ago.

What is the penalty if Cosic 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 Cosic 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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