- Companies
- Groundworks and demolition
- Arnold
- Platinum Site Management Limited
Platinum Site Management Limited
- Company number
- 12139971
- Incorporated
- 5 Aug 20197 years trading
- Registered office
- Oxford House, 8 Church Street, Arnold, Nottingham, NG5 8FB
- Nature of business
- Site preparation
Platinum Site Management Limited is a 7-year-old private limited company registered in Arnold, company number 12139971, one of the UK's groundworks and demolition companies. 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.
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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 unchanged on the year before, at £100.
- Net assets rose in 1 of 5 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 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £100 | £100 | 0 | ||
| 31 Aug 2024 | £100 | £100 | 0 | ||
| 31 Aug 2023 | £138 | £603 | £2,068 | 0 | |
| 31 Aug 2022 | £7,550 | £8,808 | £3,650 | 2 | |
| 31 Aug 2021 | £581 | £492 | £4,415 | 2 | |
| 31 Aug 2020 | £1,674 | £6,424 | £8,852 | 2 |
Where Platinum Site Management Limited is registered
The registered office is in Arnold (NG5), in the Gedling local authority area, East Midlands. Show NG5 8FB on a map.
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Also registered at this address
6 other companies use the same registered office as Platinum Site Management Limited.
- Acj Property Developments LimitedProperty developers
- Graham Hardy Plumbing & Heating LimitedPlumbers and heating engineers
- Harris Sutton Joinery LimitedJoiners and carpenters
- R J Boyles Building Services LimitedSpecialist contractors
- S J Horsnall Tree & Fencing LimitedLandscapers and gardeners
- Slack & Rose Painting and Interiors LtdPainters and decorators
What happens if Platinum Site Management 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 House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12139971
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 August 2019 (7 years ago)
- Registered office
- Oxford House, 8 Church Street, Arnold, Nottingham, NG5 8FB
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 28 July 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
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Frequently asked questions
When are Platinum Site Management Limited's accounts due?
Platinum Site Management Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Platinum Site Management 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 Platinum Site Management Limited still trading?
Platinum Site Management 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 Platinum Site Management Limited do?
Platinum Site Management Limited is registered under Site preparation (SIC 43120).
How old is Platinum Site Management Limited?
Platinum Site Management Limited was incorporated on 5 August 2019, 7 years ago.
What is the penalty if Platinum Site Management 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 Platinum Site Management 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.