PROOF HARBOUR LTD
Significant control: Charles Patrick O'Madden (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
What does Proof Harbour Ltd sell?
Registered activity: Other information technology service activities (SIC 62090). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
PROOF HARBOUR LTD is an active private limited company (company number 16829589) incorporated on 3 November 2025, registered in London. Its registered activity is other information technology service activities (SIC 62090). No accounts have been filed yet; the first accounts are due by 3 August 2027.
There are 8,890 companies in other information technology service activities in London with filed accounts; the median reports net assets of £1,000 and is 7 years old.
Ownership and control
- Mr Charles Patrick O'Madden
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
Key dates
- Incorporated
- 3 November 2025under 1 yr ago
- First accounts due
- 3 August 2027in 284 days
- Confirmation statement due
- 17 November 2026in 25 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 62090
- Other information technology service activities
- SIC 85590
- Other education n.e.c.
- Accounts type
- No Accounts Filed
Financials
No accounts filed yet. The first accounts are due by 3 August 2027; this page updates when they are filed.
Timeline
- First accounts duein 284 days
- Confirmation statement duein 25 days
- Incorporated
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Reminders for PROOF HARBOUR LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.