- Company number
- 12424744
- Incorporated
- 27 Jan 20206 years trading
- Registered office
- 71-75 Shelton Street, London, WC2H 9JQ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Sea and coastal freight water transport; Other engineering activities
DMT Connection Ltd is a 6-year-old private limited company registered in London, company number 12424744, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
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 down £516 (-66.1%) on the year before, to £265.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £79K against £78K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £265 | £52K | £79K | £78K | 1 |
| 31 Dec 2024 | £781 | £1,332 | £81K | £80K | 1 |
| 31 Dec 2023 | £102 | £9,540 | £47K | £47K | 1 |
| 31 Dec 2022 | £6,026 | £19K | £19K | £13K | 1 |
| 31 Dec 2021 | £23K | £10K | £23K | £74 | 1 |
| 31 Dec 2020 | £32K | £42K | £9,959 | 1 |
Where DMT Connection Ltd is registered
The registered office is in London (WC2H), in the Camden local authority area, London. Show WC2H 9JQ on a map.
Other trade companies in WC2H
- Superclean Agency LtdCleaning companies
- Sal Cleaning LtdCleaning companies
- Cityshine Facilities Services LtdCleaning companies
- Pureoceanscleaning LtdCleaning companies
- Muca Property Group LimitedProperty developers
- E.L.G.G LtdJoiners and carpenters
- First Ascentia Integrated LtdCleaning companies
- Fixing London LtdSpecialist contractors
Shared registered office
4,529 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if DMT Connection 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 12424744
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 January 2020 (6 years ago)
- Registered office
- 71-75 Shelton Street, London, WC2H 9JQ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Sea and coastal freight water transport (SIC 50200)
Other engineering activities (SIC 71129) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 3 August 2026
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 London
Other active building contractors registered in London.
- DMT Lux Construction Ltd2025
- DMT Projects Ltd2025
- DMTV Interiors Limited2023
- DMV Construct Ltd2023
- DN Dryliners Ltd2019
- DN Service 777 Ltd2021
- DNB Electricians Limited2020
- Dnca Ltd2012
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are DMT Connection Ltd's accounts due?
DMT Connection Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is DMT Connection Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is DMT Connection Ltd still trading?
DMT Connection 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 DMT Connection Ltd do?
DMT Connection Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Sea and coastal freight water transport (SIC 50200); Other engineering activities (SIC 71129).
How old is DMT Connection Ltd?
DMT Connection Ltd was incorporated on 27 January 2020, 6 years ago.
What is the penalty if DMT Connection 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 DMT Connection 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.