- Companies
- Civil engineering
- Glasgow
- Arctanx Ltd
Arctanx Ltd
- Company number
- SC792279
- Incorporated
- 13 Dec 20232 years trading
- Registered office
- 20 Townhead Road, Newton Mearns, Glasgow, G77 6AG
- Nature of business
- Construction of other civil engineering projects n.e.c.
Arctanx Ltd is a 2-year-old private limited company registered in Glasgow, company number SC792279, one of 258 civil engineering contractors in Glasgow. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £123K (+105.5%) on the year before, to £239K.
- Current assets of £128K against £51K owed within a year: 2.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £239K | £128K | £51K | 1 | |
| 31 Mar 2025 | £116K | £132K | £132K | £33K | 1 |
| 31 Mar 2024 | £100 | £100 | 1 |
Where Arctanx Ltd is registered
The registered office is in Glasgow (G77), in the East Renfrewshire local authority area, Scotland. Show G77 6AG on a map.
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What happens if Arctanx 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- SC792279
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 December 2023 (2 years ago)
- Registered office
- 20 Townhead Road, Newton Mearns, Glasgow, G77 6AG
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 30 November 2025
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 Glasgow
Other active civil engineering contractors registered in Glasgow.
- Ardencrown Limited2021
- Ardochrig Limited2021
- Ark Elite Engineering Ltd2024
- Armitage Groundworks Limited2001
- Asi Renewables Ltd2024
- Atlas Groundworks & Civils Ltd2026
- Attigen Ltd2013
- Averloch Contracting Limited2026
All civil engineering contractors in Glasgow · All trades in Glasgow · Civil engineering across the UK
Frequently asked questions
When are Arctanx Ltd's accounts due?
Arctanx Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Arctanx Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Arctanx Ltd still trading?
Arctanx 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 Arctanx Ltd do?
Arctanx Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Arctanx Ltd?
Arctanx Ltd was incorporated on 13 December 2023, 2 years ago.
What is the penalty if Arctanx 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 Arctanx 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.