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Jmo Construction Limited

ActiveMicro-entity accountsBuildersKing's Lynn
Company number
12834368
Incorporated
24 Aug 20206 years trading
Registered office
78C London Road, King's Lynn, PE30 5EU
Nature of business
Construction of commercial buildings; Construction of domestic buildings; Other building completion and finishing
Accounts due in
231 days
31 May 2027
Net assets
£32K▲
+23.9% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Jmo Construction Limited is a 6-year-old private limited company registered in King's Lynn, company number 12834368, one of 131 building contractors in King's Lynn. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.

Key dates

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

Accounts due
31 May 2027
in 231 days
For the period to 31 Aug 2026
CT600 due
31 Aug 2027
in 323 days
Period 1 Sep 2025 to 31 Aug 2026
Corporation tax payment
1 Jun 2027
in 232 days
9 months and 1 day after the period end
Confirmation statement
29 Nov 2026
in 48 days
Last made up to 15 Nov 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 £31K on the year before, to £32K.
  • Net assets rose in 3 of 4 year-on-year comparisons on record.
  • 1 employee on average, up from 0 the year before.
  • Balance sheets on record for 5 years, 2021 to 2025.

Net assets by year

Net assets at each year end, 2021 to 2025£0£20K31 August 2021: net assets £1£1202131 August 2022: net assets £875£875202231 August 2023: net assets £116£116202331 August 2024: net assets £1,000£1,000202431 August 2025: net assets £32K£32K2025
Net assets at each year end, 2021 to 2025£0£20K31 August 2021: net assets £1£1202131 August 2022: net assets £875£875202231 August 2023: net assets £116£116202331 August 2024: net assets £1,000£1,000202431 August 2025: net assets £32K£32K2025
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Aug 2025£32K£01
31 Aug 2024£1,000£25K£00
31 Aug 2023£116£1,2901
31 Aug 2022£875£0£16K1
31 Aug 2021£1£1

Where Jmo Construction Limited is registered

Jmo Construction Limited's registered office on a map of the UK

The registered office is in King's Lynn (PE30), in the King's Lynn and West Norfolk local authority area, East of England. Show PE30 5EU on a map.

Other trade companies in PE30

What happens if Jmo Construction 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 31 May 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Sep 2027£200
3 months late30 Nov 2027another £200
6 months late29 Feb 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 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
12834368
Status
Active
Company type
Private limited company
Incorporated
24 August 2020 (6 years ago)
Registered office
78C London Road, King's Lynn, PE30 5EU
Nature of business
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390)
Year end
31 August (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 August 2025
Last confirmation statement
15 November 2025

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

Similar companies in King's Lynn

Other active building contractors registered in King's Lynn.

All building contractors in King's Lynn · All trades in King's Lynn · Builders across the UK

Frequently asked questions

When are Jmo Construction Limited's accounts due?

Jmo Construction Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.

When is Jmo Construction Limited's CT600 due?

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

Is Jmo Construction Limited still trading?

Jmo Construction 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 Jmo Construction Limited do?

Jmo Construction Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).

How old is Jmo Construction Limited?

Jmo Construction Limited was incorporated on 24 August 2020, 6 years ago.

What is the penalty if Jmo Construction 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 Jmo Construction 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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