- Companies
- Builders
- Birmingham
- Whitebox FM Limited
Whitebox FM Limited
- Company number
- 16865832
- Incorporated
- 20 Nov 2025
- Registered office
- The Mint, 95 Icknield Street, Birmingham, B18 6RU
- Nature of business
- Construction of commercial buildings
Whitebox FM Limited is a newly incorporated private limited company registered in Birmingham, company number 16865832, one of 1,142 building contractors in Birmingham. Its next accounts are due at Companies House on 20 August 2027, and its first CT600 is due at HMRC on 19 November 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Whitebox FM Limited is registered
The registered office is in Birmingham (B18), in the Birmingham local authority area, West Midlands. Show B18 6RU on a map.
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What happens if Whitebox FM 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 20 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Aug 2027 to 20 Sep 2027 | £150 |
| 1 to 3 months late | 21 Sep 2027 to 20 Nov 2027 | £375 |
| 3 to 6 months late | 21 Nov 2027 to 20 Feb 2028 | £750 |
| More than 6 months late | From 21 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16865832
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 November 2025
- Registered office
- The Mint, 95 Icknield Street, Birmingham, B18 6RU
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Birmingham
Other active building contractors registered in Birmingham.
- Wilco Construction Ltd2026
- Willersey Homes Limited2017
- Willowbrook Homes (Midlands) Ltd2019
- Winleigh Contractors Ltd2018
- WLC Contractors Ltd2021
- Workstimber Ltd2025
- World of Academia Limited2023
- Wow Developments Limited1999
All building contractors in Birmingham · All trades in Birmingham · Builders across the UK
Frequently asked questions
When are Whitebox FM Limited's accounts due?
Whitebox FM Limited's next accounts are due at Companies House by 20 August 2027 (in 312 days), covering the period to 30 November 2026.
When is Whitebox FM Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 November 2026, due by 19 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Whitebox FM Limited still trading?
Whitebox FM 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 Whitebox FM Limited do?
Whitebox FM Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Whitebox FM Limited?
Whitebox FM Limited was incorporated on 20 November 2025, less than a year ago.
What is the penalty if Whitebox FM 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 Whitebox FM 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.