Firmoscan
Active16663636Private limited companyBrentford

DEEP MARINE LTD

Significant control: Professor Bryan Thomas Cronin (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Deep Marine Ltd sell?

Registered activity: Other professional, scientific and technical activities n.e.c. (SIC 74909). 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

DEEP MARINE LTD is an active private limited company (company number 16663636) incorporated on 20 August 2025, registered in Brentford. Its registered activity is other professional, scientific and technical activities n.e.c. (SIC 74909). No accounts have been filed yet; the first accounts are due by 20 May 2027.

There are 3,982 companies in other professional, scientific and technical activities n.e.c. in Greater London with filed accounts; the median reports net assets of £6,072 and is 11 years old.

02

Ownership and control

1 active
  • Professor Bryan Thomas Cronin
    Individual · since 20 August 2025
    • 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
20 August 20251 yr ago
First accounts due
20 May 2027in 208 days
Confirmation statement due
3 September 2027in 314 days

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

04

Activity

SIC 74909
Other professional, scientific and technical activities n.e.c.
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 20 May 2027; this page updates when they are filed.

06

Timeline

Newest first
  1. Confirmation statement duein 314 days
  2. First accounts duein 208 days
  3. Incorporated
07

Similar companies in Greater London

Same activity (other professional, scientific and technical activities n.e.c.), closest in incorporation date

All companies incorporated on 20 August 2025 · in Aug 2025.

08

Reminders for DEEP MARINE 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).