- Companies
- Installers
- London
- Sem Contracting & Consulting Ltd
Sem Contracting & Consulting Ltd
- Company number
- 11233997
- Incorporated
- 5 Mar 20188 years trading
- Registered office
- 31E Abbey Road, London, NW8 9AU
- Nature of business
- Other construction installation; Floor and wall covering; Wholesale of textiles; Wholesale of furniture, carpets and lighting equipment
Sem Contracting & Consulting Ltd is a 8-year-old private limited company registered in London, company number 11233997, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £162 (-3.1%) on the year before, to £4,990.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £71K against £66K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £4,990 | £71K | £66K | 2 | |
| 31 Mar 2024 | £5,152 | £70K | £65K | 2 | |
| 31 Mar 2023 | £4,915 | £6,473 | £1,941 | 2 | |
| 31 Mar 2022 | £4,685 | £6,480 | £2,305 | 1 | |
| 31 Mar 2021 | £1,070 | £31K | £31K | 1 | |
| 31 Mar 2020 | £12K | £117K | £106K | 0 | |
| 31 Mar 2019 | £2,068 | £7,671 | £5,603 |
Where Sem Contracting & Consulting Ltd is registered
The registered office is in London (NW8), in the Westminster local authority area, London. Show NW8 9AU on a map.
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- An&Y Cleaner's LtdCleaning companies
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Also registered at this address
1 other company uses the same registered office as Sem Contracting & Consulting Ltd.
- S&E Plutus LtdBuilders
What happens if Sem Contracting & Consulting 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 11233997
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 March 2018 (8 years ago)
- Registered office
- 31E Abbey Road, London, NW8 9AU
- Nature of business
- Other construction installation (SIC 43290)
Floor and wall covering (SIC 43330)
Wholesale of textiles (SIC 46410)
Wholesale of furniture, carpets and lighting equipment (SIC 46470) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 4 March 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
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- Setwo Limited2008
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Frequently asked questions
When are Sem Contracting & Consulting Ltd's accounts due?
Sem Contracting & Consulting Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Sem Contracting & Consulting Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Sem Contracting & Consulting Ltd still trading?
Sem Contracting & Consulting 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 Sem Contracting & Consulting Ltd do?
Sem Contracting & Consulting Ltd is registered under Other construction installation (SIC 43290); Floor and wall covering (SIC 43330); Wholesale of textiles (SIC 46410); Wholesale of furniture, carpets and lighting equipment (SIC 46470).
How old is Sem Contracting & Consulting Ltd?
Sem Contracting & Consulting Ltd was incorporated on 5 March 2018, 8 years ago.
What is the penalty if Sem Contracting & Consulting 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 Sem Contracting & Consulting 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.