Active16391384Private limited companyLondon

CASTNER DUMAS CONSULTING LTD

Significant control: Marion Marie Amelie Dumas (25–50%), Johannes Andreas Castner (25–50%)

From public filings as at 31 Aug 2026; may contain errors or be out of date.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

Registered activity: Research and experimental development on social sciences and humanities (SIC 72200). We’re building product and service lists for UK companies. Get this one when it’s ready.

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Summary

Generated from filed data · no estimates

CASTNER DUMAS CONSULTING LTD is an active private limited company (company number 16391384) incorporated on 16 April 2025, registered in London. Its registered activity is research and experimental development on social sciences and humanities (SIC 72200). No accounts have been filed yet; the first accounts are due by 16 January 2027.

There are 381 companies in research and experimental development on social sciences and humanities in London with filed accounts; the median reports net assets of £341 and is 5 years old.

Ownership and control

2 active

MM
Dr Marion Marie Amelie Dumas
Individual · since 16 April 2025
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
25–50%
JA
Mr Johannes Andreas Castner
Individual · since 16 April 2025
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
25–50%

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.

Key dates

Incorporated: 16 April 20251 yr ago
First accounts due: 16 January 2027in 81 days
Confirmation statement due: 30 April 2027in 185 days

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

Activity

SIC 72200: Research and experimental development on social sciences and humanities
Accounts type: No Accounts Filed

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 16 January 2027; this page updates when they are filed.

Timeline

Newest first

30 Apr 2027Confirmation statement duein 185 days
16 Jan 2027First accounts duein 81 days
16 Apr 2025Incorporated

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