- Companies
- Specialist contractors
- London
- Marku & Co. Developments Limited
Marku & Co. Developments Limited
- Company number
- 15670312
- Incorporated
- 23 Apr 20242 years trading
- Registered office
- Dhonau House 27, Longfield Estate, London, SE1 5TL
- Nature of business
- Other specialised construction activities n.e.c.
Marku & Co. Developments Limited is a 2-year-old private limited company registered in London, company number 15670312, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 April 2025, as filed at Companies House.
Where Marku & Co. Developments Limited is registered
The registered office is in London (SE1), in the Southwark local authority area, London. Show SE1 5TL on a map.
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What happens if Marku & Co. Developments 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15670312
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2024 (2 years ago)
- Registered office
- Dhonau House 27, Longfield Estate, London, SE1 5TL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 22 April 2026
- Previous names
- Fox-Hound London Developments Ltd (until 12 May 2025)
SN1 Developments Ltd (until 5 Sep 2024)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Marlez Ltd2026
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- Mars 4601 Ltd2019
- Martin & CM Properties Ltd2020
- Martin Build Group Ltd2019
- Martin Way Building and Joinery Ltd2021
- Martinelli Construction + Glazing Ltd2025
- Martinneli Ltd2020
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Frequently asked questions
When are Marku & Co. Developments Limited's accounts due?
Marku & Co. Developments Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is Marku & Co. Developments Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Marku & Co. Developments Limited still trading?
Marku & Co. Developments 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 Marku & Co. Developments Limited do?
Marku & Co. Developments Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Marku & Co. Developments Limited?
Marku & Co. Developments Limited was incorporated on 23 April 2024, 2 years ago.
What is the penalty if Marku & Co. Developments 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 Marku & Co. Developments 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.