- Companies
- Civil engineering
- Northampton
- J.M. Kamau Limited
J.M. Kamau Limited
- Company number
- 09072288
- Incorporated
- 5 Jun 201412 years trading
- Registered office
- Suite 21 Newton House Northampton Science Park Kings Park Road, Moulton Park, Northampton, Northamptonshire, NN3 6LG
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other human health activities
J.M. Kamau Limited is a 12-year-old private limited company registered in Northampton, company number 09072288, one of 152 civil engineering contractors in Northampton. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £20K (+26.4%) on the year before, to £98K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £40K against £15K owed within a year: 2.6 times cover.
- 30 employees on average, up from 10 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £98K | £40K | £40K | £15K | 30 |
| 30 Jun 2025 | £77K | £21K | £37K | £25K | 10 |
| 30 Jun 2024 | £127K | £40K | £58K | £12K | 25 |
| 30 Jun 2023 | -£88K | £11K | £11K | £19K | 10 |
| 30 Jun 2022 | £10K | £5,844 | 10 | ||
| 30 Jun 2021 | -£31K | £15K | 10 | ||
| 30 Jun 2020 | -£33K | £15K | 8 | ||
| 30 Jun 2019 | £19K | £7,968 | 1 | ||
| 30 Jun 2018 | £27K | £6,321 | |||
| 30 Jun 2017 | £6,209 | £37K | £44K | £43K | 1 |
Who runs and owns J.M. Kamau Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** M*** | Director | Jun 2014 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| C*** W*** | Director | Mar 2023 | May 2023 |
Person with significant control
Public contracts won
J.M. Kamau Limited has 2 public sector contract awards on record, from 2023 to 2025. Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
Awards by year
Main buyers
- West Northamptonshire Council1 award
- North Northamptonshire Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| West Northamptonshire Council | Supported Living Services in West Northamptonshire | Ceiling, not shown | 2 Jun 2025 |
| North Northamptonshire Council | North Northamptonshire Council for the Provision of Home Care Services for North Northamptonshire DPS | Ceiling, not shown | 10 Jul 2023 |
Where J.M. Kamau Limited is registered
The registered office is in Northampton (NN3), in the West Northamptonshire local authority area, East Midlands. Show NN3 6LG on a map.
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What happens if J.M. Kamau 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2029 | another 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
- 09072288
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 June 2014 (12 years ago)
- Registered office
- Suite 21 Newton House Northampton Science Park Kings Park Road, Moulton Park, Northampton, Northamptonshire, NN3 6LG
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other human health activities (SIC 86900) - Year end
- 30 June (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 23 August 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 Northampton
Other active civil engineering contractors registered in Northampton.
- JJ & LL Group Limited2025
- JMB Construction Solutions Ltd2010
- Joe Cruise Limited2018
- JPB Building Ltd2025
- JPL Groundwork Services Limited2017
- K. & N. Waite Construction Limited1995
- KD Civil Engineering Ltd2023
- Kerbcraft Contractors Ltd2023
All civil engineering contractors in Northampton · All trades in Northampton · Civil engineering across the UK
Frequently asked questions
When are J.M. Kamau Limited's accounts due?
J.M. Kamau Limited's next accounts are due at Companies House by 31 March 2028 (in 534 days), covering the period to 30 June 2027.
When is J.M. Kamau Limited's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is J.M. Kamau Limited still trading?
J.M. Kamau 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 J.M. Kamau Limited do?
J.M. Kamau Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other human health activities (SIC 86900).
How old is J.M. Kamau Limited?
J.M. Kamau Limited was incorporated on 5 June 2014, 12 years ago.
Who runs J.M. Kamau Limited?
J.M. Kamau Limited has 1 active director, the longest-serving appointed in Jun 2014. Their names and service addresses are on the Companies House register.
Who owns J.M. Kamau Limited?
One person or company has significant control of J.M. Kamau Limited: an individual (has significant influence or control).
Has J.M. Kamau Limited won public sector contracts?
Yes. J.M. Kamau Limited has 2 contract awards from public bodies on Contracts Finder and Find a Tender, most recently from West Northamptonshire Council.
What is the penalty if J.M. Kamau 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 J.M. Kamau Limited on Companies House for filed documents, officers and the full history.
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.