Active16500543Private limited companyLondon

SEAMOUNT LAB LTD

Significant control: Mathias Hartemann (25–50%), Arnaud Boisselet (25–50%)

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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Seamount Lab Ltd sell?

Registered activity: Retail sale via mail order houses or via Internet (SIC 47910). 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

SEAMOUNT LAB LTD is an active private limited company (company number 16500543) incorporated on 6 June 2025, registered in London. Its registered activity is retail sale via mail order houses or via internet (SIC 47910). No accounts have been filed yet; the first accounts are due by 6 March 2027.

There are 17,820 companies in retail sale via mail order houses or via internet in London with filed accounts; the median reports net assets of £100 and is 4 years old.

02

Ownership and control

2 active
  • Mr Mathias Hartemann
    Individual · since 6 June 2025
    • owns 25–50% of shares
    • holds 25–50% of voting rights
    • can appoint or remove directors
  • Mr Arnaud Boisselet
    Individual · since 6 June 2025
    • owns 25–50% of shares
    • holds 25–50% 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
6 June 20251 yr ago
First accounts due
6 March 2027in 134 days
Confirmation statement due
20 June 2027in 240 days

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

04

Activity

SIC 47910
Retail sale via mail order houses or via Internet
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 6 March 2027; this page updates when they are filed.

06

Timeline

Newest first
  1. Confirmation statement duein 240 days
  2. First accounts duein 134 days
  3. Incorporated
07

Similar companies in London

Same activity (retail sale via mail order houses or via internet), closest in incorporation date
08

Reminders for SEAMOUNT LAB 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.