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Company number
OC376384

CONSTANTINE CANNON LLP

Active
✓ Active company on the official register. Next accounts due 30 September 2026.

Company details

London, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
CONSTANTINE CANNON LLP
Company number
OC376384
Registered office
90 BARTHOLOMEW CLOSE, LONDON, EC1A 7BN, ENGLAND · 120 other companies at this postcode
Company type
Limited Liability Partnership
Incorporated on
25 June 2012
Status
Active
Age
14 years
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
09 Jul 2026
Confirmation statement — last
25 Jun 2025

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Abby Milstein
voting rights 75 to 100 percent limited liability partnership · right to share surplus assets 75 to 100 percent limited liability partnership · right to appoint and remove members limited liability partnership
Notified 06/04/2016
Ms Madalina Andreea Dumitrescu
significant influence or control limited liability partnership
Notified 01/09/2017
Pierre Francoise Valentin
significant influence or control limited liability partnership
Notified 06/04/2016
Richard Mark Aborn
significant influence or control limited liability partnership
Notified 06/04/2016
Richard Stephen Pike
significant influence or control limited liability partnership
Notified 06/04/2016
Thomas James St George Ashe-Taylor
significant influence or control limited liability partnership
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

6 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Abby Milstein
born 07/1951 · United States voting rights 75 to 100 percent limited liability partnership · right to share surplus assets 75 to 100 percent limited liability partnership · right to appoint and remove members limited liability partnership Notified 06/04/2016
Richard Mark Aborn
born 09/1952 · United States significant influence or control limited liability partnership Notified 06/04/2016
Ms Madalina Andreea Dumitrescu
born 06/1973 · England significant influence or control limited liability partnership Control ended 31/12/2019 Controls 2 companies
Pierre Francoise Valentin
born 07/1962 · England significant influence or control limited liability partnership Control ended 31/05/2023
Richard Stephen Pike
born 11/1975 · England significant influence or control limited liability partnership Control ended 30/07/2023
Thomas James St George Ashe-Taylor
born 08/1960 · England significant influence or control limited liability partnership Control ended 31/07/2019

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
30/07/2023 Person with significant control ceased Richard Stephen Pike
31/05/2023 Person with significant control ceased Pierre Francoise Valentin
31/12/2019 Person with significant control ceased Ms Madalina Andreea Dumitrescu
31/07/2019 Person with significant control ceased Thomas James St George Ashe-Taylor
01/09/2017 Person with significant control added Ms Madalina Andreea Dumitrescu
06/04/2016 Person with significant control added Thomas James St George Ashe-Taylor
06/04/2016 Person with significant control added Richard Stephen Pike
06/04/2016 Person with significant control added Richard Mark Aborn
06/04/2016 Person with significant control added Pierre Francoise Valentin
06/04/2016 Person with significant control added Abby Milstein

Documents for CONSTANTINE CANNON LLP

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Company extract£1.99

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Financial statements£3.99

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

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Data protection register

Registered with the Information Commissioner's Office as a data protection fee payer.

CONSTANTINE CANNON LLP — EC1A 7BN
Tier 1 · renews 04/12/2026
ICO entry

The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.

Get this company via API

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Frequently asked questions

What is the company number of CONSTANTINE CANNON LLP?
According to the official registry, the company number of CONSTANTINE CANNON LLP is OC376384.
Where is CONSTANTINE CANNON LLP registered?
The registered office is 90 BARTHOLOMEW CLOSE, LONDON, EC1A 7BN, ENGLAND.
Who controls CONSTANTINE CANNON LLP?
Abby Milstein is recorded as a person with significant control, and voting rights 75 to 100 percent limited liability partnership, right to share surplus assets 75 to 100 percent limited liability partnership, right to appoint and remove members limited liability partnership.
When are the next accounts of CONSTANTINE CANNON LLP due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About CONSTANTINE CANNON LLP (OC376384)

CONSTANTINE CANNON LLP is a limited liability partnership incorporated on 25 June 2012 and registered in the United Kingdom under company number OC376384. Its registered office is at 90 BARTHOLOMEW CLOSE, LONDON, EC1A 7BN, ENGLAND. The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Abby Milstein. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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