- Companies
- Specialist contractors
- London
- SSB Infrastructure UK Limited
SSB Infrastructure UK Limited
- Company number
- 12211213
- Incorporated
- 17 Sep 20197 years trading
- Registered office
- 54 Jermyn Street, 2ND Floor, London, SW1Y 6LX
- Nature of business
- Other specialised construction activities n.e.c.
SSB Infrastructure UK Limited is a 7-year-old private limited company registered in London, company number 12211213, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £578 (-0.7%) on the year before, to -£81K.
- Net assets rose in 0 of 5 year-on-year comparisons on record.
- Current assets of £11K against £540 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Dec 2025 | -£81K | £11K | £540 | 0 | |
| 31 Dec 2024 | -£81K | £12K | £540 | 0 | |
| 31 Dec 2023 | -£80K | £12K | 0 | ||
| 31 Dec 2022 | £1 | £1 | 0 | ||
| 31 Dec 2021 | £1 | £1 | 0 | ||
| 31 Dec 2020 | £1 | £1 | 0 |
Where SSB Infrastructure UK Limited is registered
The registered office is in London (SW1Y), in the Westminster local authority area, London. Show SW1Y 6LX on a map.
Other trade companies in SW1Y
- Terrace-G Ai Infrastructure LtdProperty developers
- Stonevanta Construction LtdBuilders
- Blackstone Stay Management LtdBuilders
- Blackstone Construction Management LtdBuilders
- Star Plant Construction & Property Management LtdBuilders
- Star Plant Construction Works LtdGroundworks and demolition
- Premier Construction Works LtdGroundworks and demolition
- Premier Construction & Real Estate Management LtdBuilders
What happens if SSB Infrastructure UK 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 12211213
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 September 2019 (7 years ago)
- Registered office
- 54 Jermyn Street, 2ND Floor, London, SW1Y 6LX
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 16 September 2026
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.
- SSC Build Ltd2017
- SSW Construction Ltd2025
- ST Andrews Golfscaping Ltd2017
- ST Polisher Ltd2023
- ST.Albans Brickwork Ltd2016
- Stabb Limited2013
- Staffordshire Resin&Paving Ltd2026
- Stag Contracts Ltd2025
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are SSB Infrastructure UK Limited's accounts due?
SSB Infrastructure UK Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is SSB Infrastructure UK Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is SSB Infrastructure UK Limited still trading?
SSB Infrastructure UK 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 SSB Infrastructure UK Limited do?
SSB Infrastructure UK Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is SSB Infrastructure UK Limited?
SSB Infrastructure UK Limited was incorporated on 17 September 2019, 7 years ago.
What is the penalty if SSB Infrastructure UK 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 SSB Infrastructure UK 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.