- Company number
- SC848661
- Incorporated
- 14 May 20251 year trading
- Registered office
- Highfield House, Hill Street, Alness, IV17 0QL
- Nature of business
- Construction of commercial buildings
Rust Monkeys Ltd is a 1-year-old private limited company registered in Alness, company number SC848661, one of 5 building contractors in Alness. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 Rust Monkeys Ltd is registered
The registered office is in Alness (IV17), in the Highland local authority area, Scotland. Show IV17 0QL on a map.
Other trade companies in IV17
- Paul Lift LtdBuilders
- JMM Technical Services LimitedSpecialist contractors
- Kange Joinery & Building Contractors LtdSpecialist contractors
- LM Plumbing and Heating Services LtdPlumbers and heating engineers
- Macdonald Access LtdSpecialist contractors
- E Henderson Electrical LtdElectricians
- RG Roughcasting LtdSpecialist contractors
- G Force Electrical Solutions LtdMachinery repair and installation
What happens if Rust Monkeys 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
- SC848661
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 May 2025 (1 year ago)
- Registered office
- Highfield House, Hill Street, Alness, IV17 0QL
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 13 May 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 Alness
Other active building contractors registered in Alness.
- William Munro Construction (Highland) Limited1977
- J Coull Bricklaying and Roughcasting Limited2016
- P & C Properties (Highland) Ltd2004
- Paul Lift Ltd2026
All building contractors in Alness · All trades in Alness · Builders across the UK
Frequently asked questions
When are Rust Monkeys Ltd's accounts due?
Rust Monkeys 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 Rust Monkeys Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Rust Monkeys Ltd still trading?
Rust Monkeys 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 Rust Monkeys Ltd do?
Rust Monkeys Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Rust Monkeys Ltd?
Rust Monkeys Ltd was incorporated on 14 May 2025, 1 year ago.
What is the penalty if Rust Monkeys 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 Rust Monkeys 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.