- Companies
- Finishing trades
- London
- Proof & Protect Ltd
Proof & Protect Ltd
- Company number
- 16818582
- Incorporated
- 29 Oct 2025
- Registered office
- 195 - 197 Wood Street, London, E17 3NU
- Nature of business
- Other building completion and finishing; Disinfecting and exterminating services
Proof & Protect Ltd is a newly incorporated private limited company registered in London, company number 16818582, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 29 July 2027, and its first CT600 is due at HMRC on 28 October 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 Proof & Protect Ltd is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 3NU on a map.
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Also registered at this address
21 other companies use the same registered office as Proof & Protect Ltd.
- Ahmed Partners LtdMotor traders
- Capital Finishing LimitedPainters and decorators
- Coozy Homes LimitedFinishing trades
- Fix and Fit LimitedElectricians
- G.A.A.L Developments LimitedProperty developers
- Gold Digger-BG LtdFinishing trades
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What happens if Proof & Protect 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 29 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jul 2027 to 29 Aug 2027 | £150 |
| 1 to 3 months late | 30 Aug 2027 to 29 Oct 2027 | £375 |
| 3 to 6 months late | 30 Oct 2027 to 29 Jan 2028 | £750 |
| More than 6 months late | From 30 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16818582
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 October 2025
- Registered office
- 195 - 197 Wood Street, London, E17 3NU
- Nature of business
- Other building completion and finishing (SIC 43390)
Disinfecting and exterminating services (SIC 81291) - Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in London
Other active building finishing companies registered in London.
- Proper Built Ltd2015
- Properease Limited2023
- Properfix Co Limited2022
- Property Empire Construction Ltd2023
- Property Management (Frimley) Limited2009
- Property Portobello Ltd2025
- Property Repair London Ltd2021
- Property Repair Services 365 Ltd2023
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Proof & Protect Ltd's accounts due?
Proof & Protect Ltd's next accounts are due at Companies House by 29 July 2027 (in 289 days), covering the period to 31 October 2026.
When is Proof & Protect 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 28 October 2026, due by 28 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Proof & Protect Ltd still trading?
Proof & Protect 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 Proof & Protect Ltd do?
Proof & Protect Ltd is registered under Other building completion and finishing (SIC 43390); Disinfecting and exterminating services (SIC 81291).
How old is Proof & Protect Ltd?
Proof & Protect Ltd was incorporated on 29 October 2025, less than a year ago.
What is the penalty if Proof & Protect 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 Proof & Protect 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.