Company profile · Groundworks and demolition
Koos TM Ltd
Koos TM Ltd is a 1-year-old private limited company registered in Birmingham, company number 16402909, one of 82 groundworks and demolition companies in Birmingham. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 30 April 2026, as filed at Companies House.
Where Koos TM Ltd is registered
The registered office is in Birmingham (B5), in the Birmingham local authority area, West Midlands. Show B5 7LS on a map.
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What happens if Koos TM 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 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16402909
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2025 (1 year ago)
- Registered office
- 76 Belgravia Close, Birmingham, B5 7LS
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 22 April 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.
Similar companies in Birmingham
Other active groundworks and demolition companies registered in Birmingham.
- KR Traffic Management Ltd2025
- L Morris TM Limited2024
- Laki K Ltd2024
- Luke Powell Ltd2025
- Manny Solutions Limited2015
- Mark James TM Ltd2024
- Merve Sherazi Ltd2017
- MK Beams Ltd2022
All groundworks and demolition companies in Birmingham · All trades in Birmingham · Groundworks and demolition across the UK
Frequently asked questions
When are Koos TM Ltd's accounts due?
Koos TM Ltd's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is Koos TM Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Koos TM Ltd still trading?
Koos TM 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 Koos TM Ltd do?
Koos TM Ltd is registered under Site preparation (SIC 43120).
How old is Koos TM Ltd?
Koos TM Ltd was incorporated on 23 April 2025, 1 year ago.
What is the penalty if Koos TM 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 Koos TM 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.