- Companies
- Specialist contractors
- London
- Serpasgb Ltd.
Serpasgb Ltd.
- Company number
- 09852288
- Incorporated
- 2 Nov 201510 years trading
- Registered office
- 43E Fielding Street, London, SE17 3HE
- Nature of business
- Other specialised construction activities n.e.c.
Serpasgb Ltd. is a 10-year-old private limited company registered in London, company number 09852288, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
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 £34K (-68.6%) on the year before, to £16K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2016 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £16K | £12K | £16K | £0 | 2 |
| 30 Nov 2023 | £50K | £52K | £52K | £1,712 | 2 |
| 30 Nov 2022 | £31K | £28K | £36K | £4,495 | 2 |
| 30 Nov 2021 | £22K | £33K | £43K | £4,292 | 2 |
| 30 Nov 2020 | -£4,436 | £10K | £13K | £0 | 2 |
| 30 Nov 2019 | £4,114 | £7,700 | £4,756 | 1 | |
| 30 Nov 2018 | £4,730 | £5,291 | £2,121 | ||
| 30 Nov 2017 | £3,089 | £4,316 | £3,307 | ||
| 30 Nov 2016 | £508 | £4,399 | £9,123 | £8,615 |
Where Serpasgb Ltd. is registered
The registered office is in London (SE17), in the Southwark local authority area, London. Show SE17 3HE on a map.
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What happens if Serpasgb 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 09852288
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 November 2015 (10 years ago)
- Registered office
- 43E Fielding Street, London, SE17 3HE
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 1 November 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Sersem Services Ltd2024
- Servdata Ltd2026
- Service Group Energy Ltd2026
- Sevan Multi-Site Solutions Limited2018
- Sevan UK Holdings Limited2020
- Seven Drops Drylining Limited2026
- Seven Welding Ltd2025
- Seyfi Catering Ltd2022
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Serpasgb Ltd.'s accounts due?
Serpasgb Ltd.'s next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Serpasgb Ltd.'s CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Serpasgb Ltd. still trading?
Serpasgb 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 Serpasgb Ltd. do?
Serpasgb Ltd. is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Serpasgb Ltd.?
Serpasgb Ltd. was incorporated on 2 November 2015, 10 years ago.
What is the penalty if Serpasgb 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 Serpasgb 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.