Active16779373Private limited companyLondon

POSEIDON ENGINEERING GROUP LTD

Significant control: Maco Investments 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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Activities of other holding companies n.e.c. (SIC 64209). 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

POSEIDON ENGINEERING GROUP LTD is an active private limited company (company number 16779373) incorporated on 13 October 2025, registered in London. Its registered activity is activities of other holding companies n.e.c. (SIC 64209). No accounts have been filed yet; the first accounts are due by 13 July 2027.

There are 11,452 companies in activities of other holding companies n.e.c. in London with filed accounts; the median reports net assets of £100 and is 5 years old.

02

Ownership and control

1 active
  • Maco Investments Ltd
    corporate entity, England And Wales · since 13 October 2025
    • owns 75–100% of shares
    • holds 75–100% of voting rights

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
13 October 20251 yr ago
First accounts due
13 July 2027in 263 days
Confirmation statement due
27 October 2027in 369 days

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

04

Activity

SIC 64209
Activities of other holding companies n.e.c.
SIC 71129
Other engineering activities
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 13 July 2027; this page updates when they are filed.

06

Timeline

Newest first
  1. Confirmation statement duein 369 days
  2. First accounts duein 263 days
  3. Incorporated
07

Similar companies in London

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08

Reminders for POSEIDON ENGINEERING GROUP 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.