- Companies
- Civil engineering
- Macinnes Brothers Limited
Macinnes Brothers Limited
- Company number
- SC148876
- Incorporated
- 7 Feb 199432 years trading
- Registered office
- Uachdar, Benbecula, Western Isles, HS7 5LY
- Nature of business
- Construction of other civil engineering projects n.e.c.
Macinnes Brothers Limited is a 32-year-old private limited company registered in Western Isles, company number SC148876, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 1 January 2027, and its first CT600 is due at HMRC on 31 March 2027.
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 £1M (+11.2%) on the year before, to £10M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £9.9M against £1.2M owed within a year: 7.9 times cover.
- 42 employees on average, up from 39 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £10M | £6.4M | £9.9M | £1.2M | 42 |
| 31 Mar 2024 | £9.2M | £7.2M | £9M | £1.1M | 39 |
| 31 Mar 2023 | £8.4M | £5.6M | £7.7M | £792K | 39 |
| 31 Mar 2022 | £7.8M | £6.1M | £8.2M | £1.7M | 35 |
| 31 Mar 2021 | £5.9M | £3.8M | £6.1M | £1.2M | 35 |
| 31 Mar 2020 | £5.6M | £3.2M | £5.4M | £488K | 32 |
| 31 Mar 2019 | £5.6M | £1.9M | £3.8M | £278K | 33 |
| 31 Mar 2018 | £5.6M | £2.6M | £4M | £1M | 33 |
| 31 Mar 2017 | £5.4M | £2.8M | £3.7M | £679K | 35 |
| 31 Mar 2016 | £4.7M | £3.1M | £3.8M | £389K |
Public contracts won
Macinnes Brothers Limited has one public sector contract award on record; the ones with their own published value total £48K (2025). Source: Contracts Finder and Find a Tender award notices.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Ministry of Defence | Contract Details Notice | £48K | 6 May 2025 |
Where Macinnes Brothers Limited is registered
The registered office is in Western Isles (HS7), in the Na h-Eileanan Siar local authority area, Scotland. Show HS7 5LY on a map.
Other trade companies in HS7
- J Macdonald Plumbing & Heating LtdPlumbers and heating engineers
- Western Isles Decorators LtdPainters and decorators
- Neil Campbell Electrical Contractors LtdElectricians
What happens if Macinnes Brothers 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 1 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Jan 2027 to 1 Feb 2027 | £150 |
| 1 to 3 months late | 2 Feb 2027 to 1 Apr 2027 | £375 |
| 3 to 6 months late | 2 Apr 2027 to 1 Jul 2027 | £750 |
| More than 6 months late | From 2 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 2 Apr 2027 | £200 |
| 3 months late | 1 Jul 2027 | another £200 |
| 6 months late | 1 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 1 Apr 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
- SC148876
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 1994 (32 years ago)
- Registered office
- Uachdar, Benbecula, Western Isles, HS7 5LY
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 1 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 20 January 2026
- Charges (mortgages)
- 0 outstanding of 2 registered
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
Other active civil engineering contractors.
Frequently asked questions
When are Macinnes Brothers Limited's accounts due?
Macinnes Brothers Limited's next accounts are due at Companies House by 1 January 2027 (in 80 days), covering the period to 1 April 2026.
When is Macinnes Brothers Limited'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 March 2026, due by 31 March 2027, and one for the period to 1 April 2026, due by 1 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Macinnes Brothers Limited still trading?
Macinnes Brothers 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 Macinnes Brothers Limited do?
Macinnes Brothers Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Macinnes Brothers Limited?
Macinnes Brothers Limited was incorporated on 7 February 1994, 32 years ago.
Has Macinnes Brothers Limited won public sector contracts?
Yes. Macinnes Brothers Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £48K), most recently from Ministry of Defence.
What is the penalty if Macinnes Brothers 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 Macinnes Brothers 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.