- Companies
- Installers
- London
- A Pro Laboratory Design and Consultancy Ltd
A Pro Laboratory Design and Consultancy Ltd
- Company number
- 16891873
- Incorporated
- 4 Dec 2025
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Other construction installation; Wholesale of other machinery and equipment; Management consultancy activities other than financial management; Other engineering activities
A Pro Laboratory Design and Consultancy Ltd is a newly incorporated private limited company registered in London, company number 16891873, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 4 September 2027, and its first CT600 is due at HMRC on 3 December 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where A Pro Laboratory Design and Consultancy Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
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- Holly’S Housekeeping LtdCleaning companies
Shared registered office
1,494 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 A Pro Laboratory Design and Consultancy 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 4 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Sep 2027 to 4 Oct 2027 | £150 |
| 1 to 3 months late | 5 Oct 2027 to 4 Dec 2027 | £375 |
| 3 to 6 months late | 5 Dec 2027 to 4 Mar 2028 | £750 |
| More than 6 months late | From 5 Mar 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
- 16891873
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 December 2025
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Other construction installation (SIC 43290)
Wholesale of other machinery and equipment (SIC 46690)
Management consultancy activities other than financial management (SIC 70229)
Other engineering activities (SIC 71129) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
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.
Similar companies in London
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- A&M Carpentry Ltd2025
- A-Tech Engineering HNCC Ltd2025
- A-Z Precision Engineering Ltd2023
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Frequently asked questions
When are A Pro Laboratory Design and Consultancy Ltd's accounts due?
A Pro Laboratory Design and Consultancy Ltd's next accounts are due at Companies House by 4 September 2027 (in 326 days), covering the period to 31 December 2026.
When is A Pro Laboratory Design and Consultancy 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 3 December 2026, due by 3 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is A Pro Laboratory Design and Consultancy Ltd still trading?
A Pro Laboratory Design and Consultancy 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 A Pro Laboratory Design and Consultancy Ltd do?
A Pro Laboratory Design and Consultancy Ltd is registered under Other construction installation (SIC 43290); Wholesale of other machinery and equipment (SIC 46690); Management consultancy activities other than financial management (SIC 70229); Other engineering activities (SIC 71129).
How old is A Pro Laboratory Design and Consultancy Ltd?
A Pro Laboratory Design and Consultancy Ltd was incorporated on 4 December 2025, less than a year ago.
What is the penalty if A Pro Laboratory Design and Consultancy 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 A Pro Laboratory Design and Consultancy 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.