- Companies
- Civil engineering
- Barnet
- Smo Engineering Ltd
Smo Engineering Ltd
- Company number
- 16218502
- Incorporated
- 30 Jan 20251 year trading
- Registered office
- 10 Littlegrove Court, Cathill, Barnet, EN4 8HZ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Smo Engineering Ltd is a 1-year-old private limited company registered in Barnet, company number 16218502, one of 32 civil engineering contractors in Barnet. Its next accounts are due at Companies House on 30 January 2027, and its first CT600 is due at HMRC on 29 January 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Smo Engineering Ltd is registered
The registered office is in Barnet (EN4), in the Barnet local authority area, London. Show EN4 8HZ on a map.
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What happens if Smo Engineering 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Jan 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 30 Jul 2027 | £750 |
| More than 6 months late | From 31 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16218502
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 January 2025 (1 year ago)
- Registered office
- 10 Littlegrove Court, Cathill, Barnet, EN4 8HZ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 29 January 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 Barnet
Other active civil engineering contractors registered in Barnet.
- Thornton Building Management Ltd2021
- TJM Sig Limited2025
- Turay Engineering Ltd2016
- U&M Basements Ltd1994
- Underpin & Makegood (Contracting) Limited1977
- Utilities Projects Limited2024
- Z B Utilities Ltd2019
- Andrews and Dickens Limited1993
All civil engineering contractors in Barnet · All trades in Barnet · Civil engineering across the UK
Frequently asked questions
When are Smo Engineering Ltd's accounts due?
Smo Engineering Ltd's next accounts are due at Companies House by 30 January 2027 (in 109 days), covering the period to 31 January 2026.
When is Smo Engineering 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 29 January 2026, due by 29 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smo Engineering Ltd still trading?
Smo Engineering 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 Smo Engineering Ltd do?
Smo Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Smo Engineering Ltd?
Smo Engineering Ltd was incorporated on 30 January 2025, 1 year ago.
What is the penalty if Smo Engineering 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 Smo Engineering 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.