- Companies
- Installers
- London
- MMDM Ltd
MMDM Ltd
- Company number
- 11211339
- Incorporated
- 19 Feb 20188 years trading
- Registered office
- 20 Collingtree Road, London, SE26 4QG
- Nature of business
- Other construction installation
MMDM Ltd is a 8-year-old private limited company registered in London, company number 11211339, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £5,338 (+100.3%) on the year before, to £16.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £16 | £19 | £3 | 0 | |
| 28 Feb 2025 | -£5,322 | -£5,322 | 0 | ||
| 28 Feb 2024 | -£1,257 | £5,829 | £7,347 | £8,604 | 2 |
| 28 Feb 2023 | £355 | £15K | £15K | £15K | 2 |
| 28 Feb 2022 | £999 | £3,702 | £2,703 | 0 | |
| 28 Feb 2021 | £58 | £15K | £15K | 0 | |
| 29 Feb 2020 | £36 | £5,971 | £5,935 | 0 | |
| 28 Feb 2019 | £3,209 | £16K | £13K | 0 |
Where MMDM Ltd is registered
The registered office is in London (SE26), in the Lewisham local authority area, London. Show SE26 4QG on a map.
Other trade companies in SE26
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- Cleaning Apex and Facility Services LimitedCleaning companies
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- Air-Con Fit in A Breeze LimitedElectricians
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- Auto Intelligence Solutions LtdRepair services
- Liberty Pest Control LimitedCleaning companies
What happens if MMDM 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11211339
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 February 2018 (8 years ago)
- Registered office
- 20 Collingtree Road, London, SE26 4QG
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 7 February 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- MMK Drylining Ltd2017
- MMP Building Services Ltd2018
- MNB Property Services Ltd2021
- Mob 1926 Ltd2022
- Modern Living Property Services Limited2008
- Modinterior Design Ltd2024
- Mohi Limited2026
- Monabuild Ltd2024
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are MMDM Ltd's accounts due?
MMDM Ltd's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is MMDM Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is MMDM Ltd still trading?
MMDM 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 MMDM Ltd do?
MMDM Ltd is registered under Other construction installation (SIC 43290).
How old is MMDM Ltd?
MMDM Ltd was incorporated on 19 February 2018, 8 years ago.
What is the penalty if MMDM 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 MMDM 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.