- Companies
- Civil engineering
- London
- Ari Engineering Limited
Ari Engineering Limited
- Company number
- 12244345
- Incorporated
- 4 Oct 20197 years trading
- Registered office
- 152 - 160 Kemp House, City Road, London, EC1V 2NX
- Nature of business
- Construction of other civil engineering projects n.e.c.; Engineering design activities for industrial process and production
Ari Engineering Limited is a 7-year-old private limited company registered in London, company number 12244345, one of 1,853 civil engineering contractors in London. 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 unchanged on the year before, at £12K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £24K against £13K owed within a year: 1.8 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £12K | £24K | £13K | 2 | |
| 31 Aug 2024 | £12K | £18K | £7,672 | 1 | |
| 31 Aug 2023 | £12K | £16K | £4,379 | 1 | |
| 31 Aug 2022 | £9,150 | £11K | £2,889 | 1 | |
| 31 Aug 2021 | £7,692 | £14K | £5,811 | 1 | |
| 31 Aug 2020 | £6,767 | £9,885 | £3,158 | 1 |
Where Ari Engineering Limited is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
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Also registered at this address
1 other company uses the same registered office as Ari Engineering Limited.
- Elesi Investments LimitedBuilders
What happens if Ari Engineering 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 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
- 12244345
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 October 2019 (7 years ago)
- Registered office
- 152 - 160 Kemp House, City Road, London, EC1V 2NX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Engineering design activities for industrial process and production (SIC 71121) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 22 June 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 London
Other active civil engineering contractors registered in London.
- Ariaa Limited2022
- Arkhitekton Energy Limited2025
- Arlisutilities Ltd2021
- Armco Civils UK Ltd2015
- Arolaz & DM Limited2015
- Arpaware Ltd2015
- Aruyan Construction Ltd2022
- Arxyn Development Limited2025
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Ari Engineering Limited's accounts due?
Ari Engineering Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Ari Engineering Limited'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 Ari Engineering Limited still trading?
Ari Engineering 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 Ari Engineering Limited do?
Ari Engineering Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Engineering design activities for industrial process and production (SIC 71121).
How old is Ari Engineering Limited?
Ari Engineering Limited was incorporated on 4 October 2019, 7 years ago.
What is the penalty if Ari Engineering 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 Ari Engineering 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.