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  4. KSM Zeman Ltd

KSM Zeman Ltd

ActiveMicro-entity accountsMachinery repair and installationLondon
Company number
09443406
Incorporated
17 Feb 201511 years trading
Registered office
9-11 New Broadway, London, W5 5AW
Nature of business
Installation of industrial machinery and equipment
Accounts due in
352 days
30 Sep 2027
Net assets
£950K▲
+22.6% on the year before
Employees
1
Average during the year
Checked with Companies House 13 Oct 2026

KSM Zeman Ltd is a 11-year-old private limited company registered in London, company number 09443406, one of 1,743 machinery repair and installation companies in London. 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 352 days
For the period to 31 Dec 2026
CT600 due
31 Dec 2027
in 444 days
Period 1 Jan 2026 to 31 Dec 2026
Corporation tax payment
1 Oct 2027
in 353 days
9 months and 1 day after the period end
Confirmation statement
6 Dec 2026
in 54 days
Last made up to 22 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 £175K (+22.6%) on the year before, to £950K.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £915K against £41K owed within a year: more than 10 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 10 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£500K£1M28 February 2017: net assets £158K£158K201728 February 2018: net assets £87K£87K201828 February 2019: net assets £35K£35K201929 February 2020: net assets £221K£221K202028 February 2021: net assets £95K£95K202128 February 2022: net assets £343K£343K202228 February 2023: net assets £150K£150K202329 February 2024: net assets £1.1M£1.1M202431 December 2024: net assets £775K£775K202431 December 2025: net assets £950K£950K2025
Net assets at each year end, 2017 to 2025£0£500K£1M28 February 2017: net assets £158K£158K'1728 February 2018: net assets £87K£87K'1828 February 2019: net assets £35K£35K'1929 February 2020: net assets £221K£221K'2028 February 2021: net assets £95K£95K'2128 February 2022: net assets £343K£343K'2228 February 2023: net assets £150K£150K'2329 February 2024: net assets £1.1M£1.1M'2431 December 2024: net assets £775K£775K'2431 December 2025: net assets £950K£950K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Dec 2025£950K£915K£41K1
31 Dec 2024£775K£1.8M£1.1M1
29 Feb 2024£1.1M£1.1M£2.1M£1.1M0
28 Feb 2023£150K£90K£1.3M£1.2M0
28 Feb 2022£343K£195K£688K£345K0
28 Feb 2021£95K£34K£164K£69K0
29 Feb 2020£221K£225K£758K£537K0
28 Feb 2019£35K£3,882£80K£4,382
28 Feb 2018£87K£4,068£91K£4,060
28 Feb 2017£158K£89K£251K£93K

Where KSM Zeman Ltd is registered

KSM Zeman Ltd's registered office on a map of the UK

The registered office is in London (W5), in the Ealing local authority area, London. Show W5 5AW on a map.

Other trade companies in W5

Shared registered office

33 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 KSM Zeman 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 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
09443406
Status
Active
Company type
Private limited company
Incorporated
17 February 2015 (11 years ago)
Registered office
9-11 New Broadway, London, W5 5AW
Nature of business
Installation of industrial machinery and equipment (SIC 33200)
Year end
31 December (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 December 2025
Last confirmation statement
22 November 2025

Filing notes for machinery repair and installation companies

Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.

Similar companies in London

Other active machinery repair and installation companies registered in London.

All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK

Frequently asked questions

When are KSM Zeman Ltd's accounts due?

KSM Zeman Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.

When is KSM Zeman Ltd'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 KSM Zeman Ltd still trading?

KSM Zeman Ltd is listed as active on the Companies House register (checked 13 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 KSM Zeman Ltd do?

KSM Zeman Ltd is registered under Installation of industrial machinery and equipment (SIC 33200).

How old is KSM Zeman Ltd?

KSM Zeman Ltd was incorporated on 17 February 2015, 11 years ago.

What is the penalty if KSM Zeman 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 KSM Zeman 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, rechecked 13 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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