- Company number
- 11040514
- Incorporated
- 31 Oct 20178 years trading
- Registered office
- 21 Ground Floor Flat, Shrubland Road, London, E10 7EP
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Floor and wall covering
Sergyo Constructions Ltd is a 8-year-old private limited company registered in London, company number 11040514, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £60K (+181.2%) on the year before, to £27K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £43K against £49K owed within a year: 0.9 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £27K | £43K | £49K | 3 | |
| 31 Oct 2024 | -£33K | £69 | £69 | £2,110 | 2 |
| 31 Oct 2023 | -£40K | £1,030 | £1,030 | £6,478 | 3 |
| 31 Oct 2022 | -£45K | £413 | £3,177 | £6,300 | 2 |
| 31 Oct 2021 | -£39K | £8,957 | £2,312 | 6 | |
| 31 Oct 2020 | -£41K | £9,195 | 6 | ||
| 31 Oct 2019 | -£3,901 | £537 | £4,438 | 0 | |
| 31 Oct 2018 | £2,078 | £2,565 | £487 |
Where Sergyo Constructions Ltd is registered
The registered office is in London (E10), in the Waltham Forest local authority area, London. Show E10 7EP on a map.
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What happens if Sergyo Constructions 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11040514
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 October 2017 (8 years ago)
- Registered office
- 21 Ground Floor Flat, Shrubland Road, London, E10 7EP
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Floor and wall covering (SIC 43330) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 5 August 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- Serhiy Construction Limited2025
- Serlin Ltd2022
- Service Management CTPR Limited2024
- Services Pezda Limited2024
- Serview Limited2018
- Ses Construction Company (UK) Limited2006
- Ses Gjini Ltd2026
- Seskoo Consultants Ltd2024
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Sergyo Constructions Ltd's accounts due?
Sergyo Constructions Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Sergyo Constructions Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Sergyo Constructions Ltd still trading?
Sergyo Constructions 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 Sergyo Constructions Ltd do?
Sergyo Constructions Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Floor and wall covering (SIC 43330).
How old is Sergyo Constructions Ltd?
Sergyo Constructions Ltd was incorporated on 31 October 2017, 8 years ago.
What is the penalty if Sergyo Constructions 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 Sergyo Constructions 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.