- Companies
- Specialist contractors
- London
- CMC Construction Services Ltd
CMC Construction Services Ltd
- Company number
- 13059953
- Incorporated
- 3 Dec 20205 years trading
- Registered office
- 12 Lymington Close, London, E6 5YW
- Nature of business
- Other specialised construction activities n.e.c.
CMC Construction Services Ltd is a 5-year-old private limited company registered in London, company number 13059953, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £2,582 (+463.6%) on the year before, to £3,139.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £10K against £7,326 owed within a year: 1.4 times cover.
- 5 employees on average, up from 3 the year before.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £3,139 | £10K | £7,326 | 5 | |
| 31 Dec 2023 | £557 | £12K | £12K | 3 | |
| 31 Dec 2022 | £1,042 | £14K | £12K | 3 | |
| 31 Dec 2021 | £1,589 | £21K | £22K | 0 |
Where CMC Construction Services Ltd is registered
The registered office is in London (E6), in the Newham local authority area, London. Show E6 5YW on a map.
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Also registered at this address
1 other company uses the same registered office as CMC Construction Services Ltd.
- Cib Construction Services LtdSpecialist contractors
What happens if CMC Construction Services 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13059953
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 December 2020 (5 years ago)
- Registered office
- 12 Lymington Close, London, E6 5YW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 13 January 2026
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.
- CMC Design Engineering Ltd2018
- CMF Construction and Refurbishment Ltd2025
- CMG Building Ltd2015
- CML Sustain (Commissioning Management) Limited2009
- CML Sustain Management Limited2012
- CMLF Ltd2023
- CMP Construction Ltd2025
- CMPT Development Investment Limited2015
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are CMC Construction Services Ltd's accounts due?
CMC Construction Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is CMC Construction Services 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is CMC Construction Services Ltd still trading?
CMC Construction Services 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 CMC Construction Services Ltd do?
CMC Construction Services Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is CMC Construction Services Ltd?
CMC Construction Services Ltd was incorporated on 3 December 2020, 5 years ago.
What is the penalty if CMC Construction Services 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 CMC Construction Services 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.