- Company number
- 12823875
- Incorporated
- 19 Aug 20206 years trading
- Registered office
- 7 Bell Yard, London, WC2A 2JR
- Nature of business
- Construction of commercial buildings; Construction of roads and motorways; Roofing activities; Other specialised construction activities n.e.c.
Specialist Establishment Ltd is a 6-year-old private limited company registered in London, company number 12823875, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £28K on the year before, to -£27K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £13K against £42K owed within a year: 0.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£27K | £13K | £42K | 0 | |
| 31 Aug 2024 | £1,031 | £507 | £524 | 0 | |
| 31 Aug 2023 | -£6,343 | £207 | 0 | ||
| 31 Aug 2022 | £1 | £1 | |||
| 31 Aug 2021 | £1 | £1 |
Where Specialist Establishment Ltd is registered
The registered office is in London (WC2A), in the Westminster local authority area, London. Show WC2A 2JR on a map.
Other trade companies in WC2A
- Eg Cleaner Company LtdCleaning companies
- Moore's Scaffolding LtdScaffolders
- Regal Motors LimitedMechanics and garages
- Lifetime Roofing Specialist LimitedRoofers
- MJ Construction Contractor LtdBuilders
- Ridgeworks (South) LtdRoofers
- Spacex Concrete LtdProperty developers
- Nationwide Roofing & Warranty LimitedBuilders
Shared registered office
221 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Specialist Establishment 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12823875
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 August 2020 (6 years ago)
- Registered office
- 7 Bell Yard, London, WC2A 2JR
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of roads and motorways (SIC 42110)
Roofing activities (SIC 43910)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 1 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.
- Specialist Group Services Ltd2024
- Spectraspan Ltd2025
- Spectre Trading Ltd2020
- Spectrum Home Renovations Ltd2026
- Speed & Rescue Ltd2019
- Speed Scaffolding Ltd2016
- Speedwell DB Ltd2021
- Speedy Gas Limited2013
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Specialist Establishment Ltd's accounts due?
Specialist Establishment Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Specialist Establishment Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Specialist Establishment Ltd still trading?
Specialist Establishment 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 Specialist Establishment Ltd do?
Specialist Establishment Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of roads and motorways (SIC 42110); Roofing activities (SIC 43910); Other specialised construction activities n.e.c. (SIC 43999).
How old is Specialist Establishment Ltd?
Specialist Establishment Ltd was incorporated on 19 August 2020, 6 years ago.
What is the penalty if Specialist Establishment 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 Specialist Establishment 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.