- Companies
- Civil engineering
- London
- Isana Engineering Limited
Isana Engineering Limited
- Company number
- 06979797
- Incorporated
- 4 Aug 200917 years trading
- Registered office
- 277 Gray's Inn Road, London, WC1X 8QF
- Nature of business
- Construction of utility projects for electricity and telecommunications; Construction of water projects; Wholesale of computers, computer peripheral equipment and software; Management consultancy activities other than financial management
Isana Engineering Limited is a 17-year-old private limited company registered in London, company number 06979797, 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Isana Engineering LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £12K (-75.4%) on the year before, to -£28K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £48K against £33K owed within a year: 1.5 times cover.
- 1 employee 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 Aug 2025 | -£28K | £638 | £48K | £33K | 1 |
| 31 Aug 2024 | -£16K | £1,355 | £49K | £29K | 1 |
| 31 Aug 2023 | -£31K | £4,787 | £52K | £48K | 1 |
| 31 Aug 2022 | -£39K | £5,674 | £53K | £56K | 1 |
| 31 Aug 2021 | -£23K | £1,682 | £49K | £37K | 1 |
| 31 Aug 2020 | -£25K | £9,269 | £35K | £37K | 1 |
| 31 Aug 2019 | -£10K | £10K | £35K | £37K | |
| 31 Aug 2018 | £14K | £1,393 | £27K | £3,710 | |
| 31 Aug 2017 | £1,253 | £163K | £189K | £188K | |
| 31 Aug 2016 | £1,018 | £72K | £71K |
Where Isana Engineering Limited is registered
The registered office is in London (WC1X), in the Camden local authority area, London. Show WC1X 8QF on a map.
Other trade companies in WC1X
- Mbi Autos LtdMotor traders
- Property Plumbing LtdPlumbers and heating engineers
- Hane House LtdBuilders
- Ags - Atlas Global Services LimitedInstallers
- Desktop Lab LimitedRepair services
- Premium Building Solutions LtdBuilders
- Al Tasleem Roadside Assistance LtdMechanics and garages
- Nextgen Car Wash LtdMechanics and garages
Also registered at this address
1 other company uses the same registered office as Isana Engineering Limited.
- Ortex Investments LimitedCivil engineering
What happens if Isana 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
- 06979797
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2009 (17 years ago)
- Registered office
- 277 Gray's Inn Road, London, WC1X 8QF
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Construction of water projects (SIC 42910)
Wholesale of computers, computer peripheral equipment and software (SIC 46510)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 17 May 2026
- Previous names
- Isana Limited (until 26 Nov 2009)
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.
- Isei Ltd2026
- Islam TM Ltd2024
- Isle of Tri Ltd2025
- Italservices Ltd2025
- Itc Constructions Ltd2015
- Ivp BG Ltd2024
- J Addy Engineering Limited2025
- J E Reinstatement Ltd2026
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Isana Engineering Limited's accounts due?
Isana 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 Isana 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 Isana Engineering Limited still trading?
Isana 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 Isana Engineering Limited do?
Isana Engineering Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Construction of water projects (SIC 42910); Wholesale of computers, computer peripheral equipment and software (SIC 46510); Management consultancy activities other than financial management (SIC 70229).
How old is Isana Engineering Limited?
Isana Engineering Limited was incorporated on 4 August 2009, 17 years ago.
What is the penalty if Isana 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 Isana 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.