- Companies
- Machinery repair and installation
- Mulco (Engineering) Limited
Mulco (Engineering) Limited
- Company number
- SC061512
- Incorporated
- 18 Jan 197749 years trading
- Registered office
- 10 ST Machar Road, Aberdeen, AB24 2UU
- Nature of business
- Repair and maintenance of ships and boats; Other engineering activities
Mulco (Engineering) Limited is a 49-year-old private limited company, company number SC061512, one of the UK's machinery repair and installation companies. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Mulco (Engineering) Limited is registered
The registered office is in the AB24 postcode district, in the Aberdeen City local authority area, Scotland. Show AB24 2UU on a map.
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What happens if Mulco (Engineering) 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 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
- SC061512
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 1977 (49 years ago)
- Registered office
- 10 ST Machar Road, Aberdeen, AB24 2UU
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
Other engineering activities (SIC 71129) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 6 July 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies
Other active machinery repair and installation companies.
Frequently asked questions
When are Mulco (Engineering) Limited's accounts due?
Mulco (Engineering) Limited's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Mulco (Engineering) Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Mulco (Engineering) Limited still trading?
Mulco (Engineering) 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 Mulco (Engineering) Limited do?
Mulco (Engineering) Limited is registered under Repair and maintenance of ships and boats (SIC 33150); Other engineering activities (SIC 71129).
How old is Mulco (Engineering) Limited?
Mulco (Engineering) Limited was incorporated on 18 January 1977, 49 years ago.
What is the penalty if Mulco (Engineering) 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 Mulco (Engineering) 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.