Firmoscan
Active17277029Private limited companyHigh Wycombe

O'CONNOR MECHANICAL SERVICES LTD

Significant control: Sean George Oconnor (75–100%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

Watch this company

Get an email when Companies House records a change for O'Connor Mechanical Services Ltd: status, filings, accounts, officers or owners. Free.

Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy

Coming soon · product and service lists

What does O'Connor Mechanical Services Ltd sell?

Registered activity: Plumbing, heat and air-conditioning installation (SIC 43220). We’re building product and service lists for UK companies. Get this one when it’s ready.

One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01

Summary

Generated from filed data · no estimates

O'CONNOR MECHANICAL SERVICES LTD is an active private limited company (company number 17277029) incorporated on 17 June 2026, registered in High Wycombe. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). No accounts have been filed yet; the first accounts are due by 17 March 2028.

There are 6,191 companies in plumbing, heat and air-conditioning installation in Other with filed accounts; the median reports net assets of £5,839 and is 9 years old.

02

Ownership and control

1 active
  • Mr Sean George Oconnor
    Individual · since 17 June 2026
    • 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.

03

Key dates

Incorporated
17 June 2026under 1 yr ago
First accounts due
17 March 2028in 508 days
Confirmation statement due
1 July 2027in 248 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 43220
Plumbing, heat and air-conditioning installation
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 17 March 2028; this page updates when they are filed.

06

Timeline

Newest first
  1. First accounts duein 508 days
  2. Confirmation statement duein 248 days
  3. Incorporated
07

Similar companies in the UK

Same activity (plumbing, heat and air-conditioning installation), closest in incorporation date

All companies incorporated on 17 June 2026 · in Jun 2026.

08

Reminders for O'CONNOR MECHANICAL SERVICES LTD

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.

This information comes from public filings and our automated processing of them. It may contain errors, be incomplete or be out of date, and is not advice or a credit reference. Check the official record before relying on it. Terms · Privacy · Report an error (corrected within one working day).