- Company number
- 16620269
- Incorporated
- 31 Jul 20251 year trading
- Registered office
- 119C Elgin Road, Ilford, IG3 8LW
- Nature of business
- Construction of domestic buildings
Martin Mil Co Limited is a 1-year-old private limited company registered in Ilford, company number 16620269, one of 1,138 building contractors in Ilford. Its next accounts are due at Companies House on 30 April 2027, and its first CT600 is due at HMRC on 30 July 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.
Is this your company?
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Where Martin Mil Co Limited is registered
The registered office is in Ilford (IG3), in the Redbridge local authority area, London. Show IG3 8LW on a map.
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Also registered at this address
1 other company uses the same registered office as Martin Mil Co Limited.
- Dutmar LtdBuilders
What happens if Martin Mil Co 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16620269
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 July 2025 (1 year ago)
- Registered office
- 119C Elgin Road, Ilford, IG3 8LW
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 July (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 Ilford
Other active building contractors registered in Ilford.
- Masterins Ltd2021
- Mat1 Designs Ltd2026
- Matt Manwaring Construction Limited2016
- Maurion Elite Security Ltd2025
- Maxcore Ltd2025
- Maxlem Limited2020
- Mayacata Construct Ltd2020
- MBB Property Ltd2022
All building contractors in Ilford · All trades in Ilford · Builders across the UK
Frequently asked questions
When are Martin Mil Co Limited's accounts due?
Martin Mil Co Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Martin Mil Co 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 30 July 2026, due by 30 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Martin Mil Co Limited still trading?
Martin Mil Co Limited is listed as active on the Companies House register (checked 13 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 Martin Mil Co Limited do?
Martin Mil Co Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Martin Mil Co Limited?
Martin Mil Co Limited was incorporated on 31 July 2025, 1 year ago.
What is the penalty if Martin Mil Co 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 Martin Mil Co Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.