- Companies
- Civil engineering
- West Drayton
- Mackey Technical Services UK Limited
Mackey Technical Services UK Limited
- Company number
- 12445712
- Incorporated
- 6 Feb 20206 years trading
- Registered office
- 16 Swan Road, West Drayton, Middlesex, UB7 7JY
- Nature of business
- Construction of other civil engineering projects n.e.c.
Mackey Technical Services UK Limited is a 6-year-old private limited company registered in West Drayton, company number 12445712, one of 10 civil engineering contractors in West Drayton. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 down £100K (-22.3%) on the year before, to £350K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £350K against £5,977 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £350K | £39K | £350K | £5,977 | 0 |
| 30 Jun 2024 | £450K | £365K | £81K | 3 | |
| 30 Jun 2023 | £533K | £470K | £41K | 4 | |
| 30 Jun 2022 | £506K | £567K | £146K | 2 | |
| 30 Jun 2021 | £290K | £396K | £115K | 2 |
Where Mackey Technical Services UK Limited is registered
The registered office is in West Drayton (UB7), in the Hillingdon local authority area, London. Show UB7 7JY on a map.
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What happens if Mackey Technical Services UK 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12445712
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2020 (6 years ago)
- Registered office
- 16 Swan Road, West Drayton, Middlesex, UB7 7JY
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 5 February 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 West Drayton
Other active civil engineering contractors registered in West Drayton.
- MJ Sahi Transport Ltd2025
- MMS Decor Master Limited2014
- SS Nagra Haulage Limited2025
- Tkaczyk Ltd2015
- UK Construction Group Limited2026
- V4Dyy Ltd2023
- DSL&Son's Ltd2022
- Katorz Ltd2015
All civil engineering contractors in West Drayton · All trades in West Drayton · Civil engineering across the UK
Frequently asked questions
When are Mackey Technical Services UK Limited's accounts due?
Mackey Technical Services UK Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Mackey Technical Services UK Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Mackey Technical Services UK Limited still trading?
Mackey Technical Services UK 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 Mackey Technical Services UK Limited do?
Mackey Technical Services UK Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Mackey Technical Services UK Limited?
Mackey Technical Services UK Limited was incorporated on 6 February 2020, 6 years ago.
What is the penalty if Mackey Technical Services UK 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 Mackey Technical Services UK 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.