- Companies
- Specialist contractors
- London
- PKM Hamilton Ltd
PKM Hamilton Ltd
- Company number
- 07902420
- Incorporated
- 9 Jan 201214 years trading
- Registered office
- International House, 101 King's Cross Road, London, WC1X 9LP
- Nature of business
- Other specialised construction activities n.e.c.; Architectural activities; Other engineering activities
PKM Hamilton Ltd is a 14-year-old private limited company registered in London, company number 07902420, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
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 £8,190 (+57%) on the year before, to £23K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £23K | £23K | 2 | ||
| 31 Jan 2024 | £14K | £14K | 2 | ||
| 31 Jan 2023 | £12K | £12K | 2 | ||
| 31 Jan 2022 | £13K | £13K | 2 | ||
| 31 Jan 2021 | £9,714 | £11K | £1,484 | 2 | |
| 31 Jan 2020 | £7,651 | £13K | £5,367 | 1 | |
| 31 Jan 2019 | £7,197 | £9,798 | £2,601 | ||
| 31 Jan 2018 | £3,076 | £5,722 | £2,646 | ||
| 31 Jan 2017 | £5,086 | £13K | £7,455 | ||
| 31 Jan 2016 | £89 | £341 | £282 |
Where PKM Hamilton Ltd is registered
The registered office is in London (WC1X), in the Camden local authority area, London. Show WC1X 9LP on a map.
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Also registered at this address
6 other companies use the same registered office as PKM Hamilton Ltd.
- Easy Commercial Cleaning LtdCleaning companies
- Just Spray Network LimitedPainters and decorators
- Nous Corporation LtdMotor traders
- RS Engineering Surveys LtdGroundworks and demolition
- RS Mep & FM Services LtdElectricians
- Velotica LimitedMachinery repair and installation
What happens if PKM Hamilton 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2028 | 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
- 07902420
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 January 2012 (14 years ago)
- Registered office
- International House, 101 King's Cross Road, London, WC1X 9LP
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Architectural activities (SIC 71111)
Other engineering activities (SIC 71129) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 9 January 2026
- Previous names
- PKM Online Ltd (until 18 May 2015)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- PKR Property Maintenance Ltd2025
- Plan B Engineering Ltd2024
- Planet Ceiling Ltd2017
- Planning & Arbitration Limited2022
- Planning and Costing Solutions Limited2014
- Plant Movement Consultants Ltd2023
- Plantos Greenhouse Ltd2025
- Plants & Plants UK Ltd.2023
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are PKM Hamilton Ltd's accounts due?
PKM Hamilton Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is PKM Hamilton Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is PKM Hamilton Ltd still trading?
PKM Hamilton 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 PKM Hamilton Ltd do?
PKM Hamilton Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Architectural activities (SIC 71111); Other engineering activities (SIC 71129).
How old is PKM Hamilton Ltd?
PKM Hamilton Ltd was incorporated on 9 January 2012, 14 years ago.
What is the penalty if PKM Hamilton 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 PKM Hamilton Ltd 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.