Firmoscan
Active17009493Private limited companyLondon

H2O PROSERVICES UK LTD

Significant control: Poseidon Advisory Holdings Ltd (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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

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What does H2o Proservices UK Ltd sell?

Registered activity: Support activities for petroleum and natural gas mining (SIC 09100). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

H2O PROSERVICES UK LTD is an active private limited company (company number 17009493) incorporated on 3 February 2026, registered in London. Its registered activity is support activities for petroleum and natural gas mining (SIC 09100). No accounts have been filed yet; the first accounts are due by 3 November 2027.

There are 228 companies in support activities for petroleum and natural gas mining in London with filed accounts; the median reports net assets of £1,144 and is 8 years old.

02

Ownership and control

1 active
  • Poseidon Advisory Holdings Ltd
    corporate entity, England · since 3 February 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
3 February 2026under 1 yr ago
First accounts due
3 November 2027in 373 days
Confirmation statement due
17 February 2027in 114 days

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

04

Activity

SIC 09100
Support activities for petroleum and natural gas mining
SIC 46690
Wholesale of other machinery and equipment
SIC 50200
Sea and coastal freight water transport
SIC 52220
Service activities incidental to water transportation
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 3 November 2027; this page updates when they are filed.

06

Timeline

Newest first
  1. First accounts duein 373 days
  2. Confirmation statement duein 114 days
  3. Incorporated
07

Similar companies in London

Same activity (support activities for petroleum and natural gas mining), closest in incorporation date

All companies incorporated on 3 February 2026 · in Feb 2026.

08

Reminders for H2O PROSERVICES UK 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).