- Companies
- Civil engineering
- York
- Mack 1 Cable Jointing Services Limited
Mack 1 Cable Jointing Services Limited
- Company number
- 09396185
- Incorporated
- 20 Jan 201511 years trading
- Registered office
- 60 Water Lane, York, North Yorkshire, YO30 6PP
- Nature of business
- Construction of utility projects for electricity and telecommunications
Mack 1 Cable Jointing Services Limited is a 11-year-old private limited company registered in York, company number 09396185, one of 58 civil engineering contractors in York. 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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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 £14K (+19.3%) on the year before, to £89K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £149K against £72K owed within a year: 2.1 times cover.
- 3 employees on average during the year.
- 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 Jan 2025 | £89K | £149K | £72K | 3 | |
| 31 Jan 2024 | £74K | £126K | £44K | 3 | |
| 31 Jan 2023 | £75K | £137K | £53K | 3 | |
| 31 Jan 2022 | £55K | £130K | £64K | 3 | |
| 31 Jan 2021 | -£301 | £61K | £40K | 3 | |
| 31 Jan 2020 | £131 | £55K | £56K | 2 | |
| 31 Jan 2019 | £7,734 | £53K | 2 | ||
| 31 Jan 2018 | £12K | £40K | 2 | ||
| 31 Jan 2017 | £278 | £0 | £14K | £31K | 2 |
| 31 Jan 2016 | £14K | £1,623 | £27K | £15K |
Where Mack 1 Cable Jointing Services Limited is registered
The registered office is in York (YO30), in the York local authority area, Yorkshire and The Humber. Show YO30 6PP on a map.
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What happens if Mack 1 Cable Jointing Services 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
- 09396185
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 January 2015 (11 years ago)
- Registered office
- 60 Water Lane, York, North Yorkshire, YO30 6PP
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 20 January 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 York
Other active civil engineering contractors registered in York.
- Mana Civils & Utilities Ltd2020
- Merrill Skelton Services Ltd2008
- MTH Construction Limited2018
- Murney Limited2009
- N G Plant Hire Ltd2009
- Neil Davies Construction Limited2003
- North Bar Homes Limited2009
- O’Brien Civil Engineering Management Ltd2024
All civil engineering contractors in York · All trades in York · Civil engineering across the UK
Frequently asked questions
When are Mack 1 Cable Jointing Services Limited's accounts due?
Mack 1 Cable Jointing Services 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 Mack 1 Cable Jointing Services 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 Mack 1 Cable Jointing Services Limited still trading?
Mack 1 Cable Jointing Services 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 Mack 1 Cable Jointing Services Limited do?
Mack 1 Cable Jointing Services Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Mack 1 Cable Jointing Services Limited?
Mack 1 Cable Jointing Services Limited was incorporated on 20 January 2015, 11 years ago.
What is the penalty if Mack 1 Cable Jointing Services 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 Mack 1 Cable Jointing Services 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.