- Companies
- Machinery repair and installation
- Thurso
- M Mackay Engineering Services Ltd.
M Mackay Engineering Services Ltd.
- Company number
- SC512302
- Incorporated
- 4 Aug 201511 years trading
- Registered office
- Unit G3 Scrabster Business Park, Scrabster, Thurso, Caithness, KW14 7UJ
- Nature of business
- Repair of machinery
M Mackay Engineering Services Ltd. is a 11-year-old private limited company registered in Thurso, company number SC512302, one of 12 machinery repair and installation companies in Thurso. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £51K (+31.5%) on the year before, to £213K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £227K against £303K owed within a year: 0.8 times cover.
- 5 employees on average, up from 4 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 Aug 2025 | £213K | £227K | £303K | 5 | |
| 31 Aug 2024 | £162K | £224K | £167K | 4 | |
| 31 Aug 2023 | £76K | £140K | £113K | 3 | |
| 31 Aug 2022 | £39K | £122K | £112K | 3 | |
| 31 Aug 2021 | £51K | £127K | £104K | 3 | |
| 31 Aug 2020 | -£5,361 | £80K | £89K | 2 | |
| 31 Aug 2019 | £1,862 | £72K | £102K | 1 | |
| 31 Aug 2018 | £11K | £44K | £38K | ||
| 31 Aug 2017 | £7,600 | £28K | £22K | ||
| 31 Aug 2016 | -£2,414 | £1,440 | £5,559 | £8,550 |
Where M Mackay Engineering Services Ltd. is registered
The registered office is in Thurso (KW14), in the Highland local authority area, Scotland. Show KW14 7UJ on a map.
Other trade companies in KW14
- M.A.S Mechanical Services LtdMechanics and garages
- Oas Scaffolding Services LtdScaffolders
- Ran Mac Safety Solutions LtdSpecialist contractors
- Macleod Scaffolding LtdScaffolders
- George Macgregor LtdSpecialist contractors
- C&KC Services LtdScaffolders
- Grid Energy Services LtdCivil engineering
- Pure Glass 4U LtdCleaning companies
What happens if M Mackay Engineering Services 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- SC512302
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2015 (11 years ago)
- Registered office
- Unit G3 Scrabster Business Park, Scrabster, Thurso, Caithness, KW14 7UJ
- Nature of business
- Repair of machinery (SIC 33120)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 3 August 2026
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 in Thurso
Other active machinery repair and installation companies registered in Thurso.
- M.P.A. Engineering Limited2003
- Mann Electrical Ltd2022
- Norwind Services Ltd2023
- S Blackwood Fabrication & Construction Services Ltd2024
- Wades Technical Services Ltd2022
- A & R Mechanical Engineering & Recovery Services Ltd2019
- Allan Electrical (Thurso) Ltd2014
- C. Gunn Electrical Services Ltd2024
All machinery repair and installation companies in Thurso · All trades in Thurso · Machinery repair and installation across the UK
Frequently asked questions
When are M Mackay Engineering Services Ltd.'s accounts due?
M Mackay Engineering Services Ltd.'s next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is M Mackay Engineering Services Ltd.'s CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is M Mackay Engineering Services Ltd. still trading?
M Mackay Engineering Services 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 M Mackay Engineering Services Ltd. do?
M Mackay Engineering Services Ltd. is registered under Repair of machinery (SIC 33120).
How old is M Mackay Engineering Services Ltd.?
M Mackay Engineering Services Ltd. was incorporated on 4 August 2015, 11 years ago.
What is the penalty if M Mackay Engineering Services 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 M Mackay Engineering Services 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.