- Companies
- Civil engineering
- Warrington
- CMG Tunnelling Limited
CMG Tunnelling Limited
- Company number
- 14985708
- Incorporated
- 6 Jul 20233 years trading
- Registered office
- 1 Moreton Close, Golborne, Warrington, WA3 3QY
- Nature of business
- Construction of bridges and tunnels
CMG Tunnelling Limited is a 3-year-old private limited company registered in Warrington, company number 14985708, one of 102 civil engineering contractors in Warrington. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for CMG Tunnelling LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £701 (+3.4%) on the year before, to £22K.
- Current assets of £63K against £39K owed within a year: 1.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £22K | £63K | £39K | 1 | |
| 31 Mar 2024 | £21K | £33K | £11K | 1 |
Where CMG Tunnelling Limited is registered
The registered office is in Warrington (WA3), in the Wigan local authority area, North West. Show WA3 3QY on a map.
Other trade companies in WA3
- Beard Trailer Co LtdMechanics and garages
- Yourfirstcars LtdMotor traders
- NSH Property Management LtdFinishing trades
- Dawnlight Properties LtdProperty developers
- Burns & Stone Developments LtdProperty developers
- NW Home & Property Care LimitedFinishing trades
- Ajd Calibrations LtdMechanics and garages
- Somerville Tree Solutions LtdLandscapers and gardeners
What happens if CMG Tunnelling 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14985708
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 July 2023 (3 years ago)
- Registered office
- 1 Moreton Close, Golborne, Warrington, WA3 3QY
- Nature of business
- Construction of bridges and tunnels (SIC 42130)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 5 July 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Warrington
Other active civil engineering contractors registered in Warrington.
- Cornerstone Engineering (UK) Limited1998
- CSD Engineering & Cad Services Ltd2025
- D2H Engineering Limited2015
- Dale House Solar Limited2025
- Delamo Ltd2026
- Digital Engineer Buro Limited2025
- DM Highways Ltd2013
- DMC Civil Engineering Limited2017
All civil engineering contractors in Warrington · All trades in Warrington · Civil engineering across the UK
Frequently asked questions
When are CMG Tunnelling Limited's accounts due?
CMG Tunnelling Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is CMG Tunnelling Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is CMG Tunnelling Limited still trading?
CMG Tunnelling 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 CMG Tunnelling Limited do?
CMG Tunnelling Limited is registered under Construction of bridges and tunnels (SIC 42130).
How old is CMG Tunnelling Limited?
CMG Tunnelling Limited was incorporated on 6 July 2023, 3 years ago.
What is the penalty if CMG Tunnelling 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 CMG Tunnelling 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.