- Companies
- Builders
- Milton Keynes
- Cullmc & Sons Construction Ltd
Cullmc & Sons Construction Ltd
- Company number
- 17088233
- Incorporated
- 12 Mar 2026
- Registered office
- G P G House Walker Avenue, Wolverton Mill, Milton Keynes, MK12 5TW
- Nature of business
- Construction of domestic buildings
Cullmc & Sons Construction Ltd is a newly incorporated private limited company registered in Milton Keynes, company number 17088233, one of 358 building contractors in Milton Keynes. Its next accounts are due at Companies House on 12 December 2027, and its first CT600 is due at HMRC on 11 March 2028.
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 Cullmc & Sons Construction Ltd is registered
The registered office is in Milton Keynes (MK12), in the Milton Keynes local authority area, South East. Show MK12 5TW on a map.
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Also registered at this address
20 other companies use the same registered office as Cullmc & Sons Construction Ltd.
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- Eskyair LtdMachinery repair and installation
- F G Autos LtdMechanics and garages
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- RCL Urban Developments and Holdings LtdProperty developers
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What happens if Cullmc & Sons Construction 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 12 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Dec 2027 to 12 Jan 2028 | £150 |
| 1 to 3 months late | 13 Jan 2028 to 12 Mar 2028 | £375 |
| 3 to 6 months late | 13 Mar 2028 to 12 Jun 2028 | £750 |
| More than 6 months late | From 13 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17088233
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2026
- Registered office
- G P G House Walker Avenue, Wolverton Mill, Milton Keynes, MK12 5TW
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (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 Milton Keynes
Other active building contractors registered in Milton Keynes.
- Custom Glaze (MK) Limited2018
- D G S Construction Limited1997
- D&E Design Limited2024
- D'vision Ltd2020
- Dactree Limited2023
- Dave Handyman Ltd2024
- David Russell Bespoke Builders Ltd2014
- DC Ursu Mechanical Services Ltd2016
All building contractors in Milton Keynes · All trades in Milton Keynes · Builders across the UK
Frequently asked questions
When are Cullmc & Sons Construction Ltd's accounts due?
Cullmc & Sons Construction Ltd's next accounts are due at Companies House by 12 December 2027 (in 425 days), covering the period to 31 March 2027.
When is Cullmc & Sons Construction Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 11 March 2027, due by 11 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cullmc & Sons Construction Ltd still trading?
Cullmc & Sons Construction 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 Cullmc & Sons Construction Ltd do?
Cullmc & Sons Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Cullmc & Sons Construction Ltd?
Cullmc & Sons Construction Ltd was incorporated on 12 March 2026, less than a year ago.
What is the penalty if Cullmc & Sons Construction 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 Cullmc & Sons Construction 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.