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  4. Genko Engineering Limited

Genko Engineering Limited

ActiveMicro-entity accountsCivil engineeringWolverhampton
Company number
12564188
Incorporated
20 Apr 20206 years trading
Registered office
28 Bruford Road, Wolverhampton, WV3 0BA
Nature of business
Construction of other civil engineering projects n.e.c.; Engineering design activities for industrial process and production; Engineering related scientific and technical consulting activities; Other engineering activities
Accounts due in
260 days
30 Jun 2027
Net assets
£23K▼
-18.4% on the year before
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Genko Engineering Limited is a 6-year-old private limited company registered in Wolverhampton, company number 12564188, one of 111 civil engineering contractors in Wolverhampton. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.

Key dates

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

Accounts due
30 Jun 2027
in 260 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 352 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 261 days
9 months and 1 day after the period end
Confirmation statement
3 May 2027
in 202 days
Last made up to 19 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 down £5,108 (-18.4%) on the year before, to £23K.
  • Net assets rose in 2 of 4 year-on-year comparisons on record.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 5 years, 2021 to 2025.

Net assets by year

Net assets at each year end, 2021 to 2025£0£20K£40K30 September 2021: net assets £100£100202130 September 2022: net assets £14K£14K202230 September 2023: net assets £40K£40K202330 September 2024: net assets £28K£28K202430 September 2025: net assets £23K£23K2025
Net assets at each year end, 2021 to 2025£0£20K£40K30 September 2021: net assets £100£100202130 September 2022: net assets £14K£14K202230 September 2023: net assets £40K£40K202330 September 2024: net assets £28K£28K202430 September 2025: net assets £23K£23K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025£23K£23K£00
30 Sep 2024£28K£28K£00
30 Sep 2023£40K£40K0
30 Sep 2022£14K£14K0
30 Sep 2021£100

Where Genko Engineering Limited is registered

Genko Engineering Limited's registered office on a map of the UK

The registered office is in Wolverhampton (WV3), in the Wolverhampton local authority area, West Midlands. Show WV3 0BA on a map.

Other trade companies in WV3

What happens if Genko Engineering 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 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 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
12564188
Status
Active
Company type
Private limited company
Incorporated
20 April 2020 (6 years ago)
Registered office
28 Bruford Road, Wolverhampton, WV3 0BA
Nature of business
Construction of other civil engineering projects n.e.c. (SIC 42990)
Engineering design activities for industrial process and production (SIC 71121)
Engineering related scientific and technical consulting activities (SIC 71122)
Other engineering activities (SIC 71129)
Year end
30 September (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
30 September 2025
Last confirmation statement
19 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 Wolverhampton

Other active civil engineering contractors registered in Wolverhampton.

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

Frequently asked questions

When are Genko Engineering Limited's accounts due?

Genko Engineering Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.

When is Genko Engineering Limited's CT600 due?

The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.

Is Genko Engineering Limited still trading?

Genko Engineering 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 Genko Engineering Limited do?

Genko Engineering Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Engineering design activities for industrial process and production (SIC 71121); Engineering related scientific and technical consulting activities (SIC 71122); Other engineering activities (SIC 71129).

How old is Genko Engineering Limited?

Genko Engineering Limited was incorporated on 20 April 2020, 6 years ago.

What is the penalty if Genko Engineering 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 Genko Engineering 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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