- Companies
- Civil engineering
- London
- Sai Ak Construction Limited
Sai Ak Construction Limited
- Company number
- 14510464
- Incorporated
- 28 Nov 20223 years trading
- Registered office
- 49 Attlee Terrace, Prospect Hill, London, E17 3EG
- Nature of business
- Construction of other civil engineering projects n.e.c.
Sai Ak Construction Limited is a 3-year-old private limited company registered in London, company number 14510464, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £51 (-5.9%) on the year before, to £813.
- Current assets of £12K against £11K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £813 | £12K | £11K | 0 | |
| 30 Nov 2024 | £864 | £16K | £15K | 3 | |
| 30 Nov 2023 | £379 | £17K | £17K | 3 |
Where Sai Ak Construction Limited is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 3EG on a map.
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What happens if Sai Ak Construction 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 14510464
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 November 2022 (3 years ago)
- Registered office
- 49 Attlee Terrace, Prospect Hill, London, E17 3EG
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 15 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 London
Other active civil engineering contractors registered in London.
- Sajmalik Limited2015
- Samjet Limited2015
- Sarwlogistics Ltd2026
- Satarem Engineering, Contracting, & Consultancy Ltd2025
- Saturn Track Limited2024
- SB Global Capital Ltd2021
- SBT Engineering Ltd2026
- Schulz Civil Consulting Ltd2024
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Sai Ak Construction Limited's accounts due?
Sai Ak Construction Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Sai Ak Construction Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Sai Ak Construction Limited still trading?
Sai Ak Construction 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 Sai Ak Construction Limited do?
Sai Ak Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Sai Ak Construction Limited?
Sai Ak Construction Limited was incorporated on 28 November 2022, 3 years ago.
What is the penalty if Sai Ak Construction 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 Sai Ak Construction 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.