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Company number
OC332696

MAGENTA PARTNERS LLP

Active
✓ Active company on the official register. Next accounts due 31 December 2027.

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
MAGENTA PARTNERS LLP
Company number
OC332696
Registered office
84 ECCLESTON SQUARE, LONDON, SW1V 1PX, ENGLAND · 185 other companies at this postcode
Company type
Limited Liability Partnership
Incorporated on
8 November 2007
Status
Active
Age
18 years
Previous names
RIANTA PRIVATE EQUITY PARTNERSHIP LLP (to 07 May 2008)
Accounts — next due
31 Dec 2027
Accounts — last made up to
31 Mar 2026
Confirmation statement — next due
22 Nov 2026
Confirmation statement — last
08 Nov 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

Dr Alastair James Alderton
voting rights 75 to 100 percent as trust limited liability partnership · right to share surplus assets 75 to 100 percent as trust limited liability partnership
Notified 06/04/2016
Mr Alexander Chase Emson
significant influence or control limited liability partnership
Notified 06/04/2016
Mr Andreas Julius Bar
significant influence or control as firm limited liability partnership
Notified 07/07/2017
Mr Graham Michael Harrison
significant influence or control as firm limited liability partnership
Notified 07/07/2017
Mr Guillermo Pla Otanez
significant influence or control as firm limited liability partnership
Notified 07/07/2017
Mr James Fairweather Edmondson
significant influence or control limited liability partnership
Notified 08/05/2018
Mr James Grant Wilson
significant influence or control as firm limited liability partnership
Notified 07/07/2017
Mr Mehnga Singh
voting rights 75 to 100 percent as trust limited liability partnership · right to share surplus assets 75 to 100 percent as trust limited liability partnership
Notified 06/04/2016
Mr Peter Andrew Harwood
significant influence or control as firm limited liability partnership
Notified 07/07/2017
Mr Robert George Shepherd
significant influence or control as firm limited liability partnership
Notified 07/07/2017
Mr Robert Hart Fearis
significant influence or control as firm limited liability partnership
Notified 07/07/2017
Mr Thomas Cale Matthews
significant influence or control limited liability partnership
Notified 06/04/2016
Mr Tom Tar Singh
voting rights 75 to 100 percent as trust limited liability partnership · right to share surplus assets 75 to 100 percent as trust limited liability partnership
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Mr Alexander Chase Emson
born 12/1976 · England significant influence or control limited liability partnership Notified 06/04/2016 Controls 2 companies
Mr Andreas Julius Bar
born 10/1967 · Switzerland significant influence or control as firm limited liability partnership Notified 07/07/2017 Controls 9 companies
Mr Graham Michael Harrison
born 06/1965 · Guernsey significant influence or control as firm limited liability partnership Notified 07/07/2017 Controls 15 companies
Mr Guillermo Pla Otanez
born 04/1965 · Spain significant influence or control as firm limited liability partnership Notified 07/07/2017 Controls 9 companies
Mr James Grant Wilson
born 10/1962 · Guernsey significant influence or control as firm limited liability partnership Notified 07/07/2017 Controls 12 companies
Mr Robert George Shepherd
born 02/1967 · Guernsey significant influence or control as firm limited liability partnership Notified 07/07/2017 Controls 6 companies
Mr Robert Hart Fearis
born 12/1962 · Guernsey significant influence or control as firm limited liability partnership Notified 07/07/2017 Controls 14 companies
Mr Thomas Cale Matthews
born 06/1977 · United Kingdom significant influence or control limited liability partnership Notified 06/04/2016
Dr Alastair James Alderton
born 05/1975 · England voting rights 75 to 100 percent as trust limited liability partnership · right to share surplus assets 75 to 100 percent as trust limited liability partnership Control ended 07/07/2017 Controls 9 companies
Mr James Fairweather Edmondson
born 03/1948 · Jersey significant influence or control limited liability partnership Control ended 17/11/2025 Controls 10 companies
Mr Mehnga Singh
born 09/1928 · United Kingdom voting rights 75 to 100 percent as trust limited liability partnership · right to share surplus assets 75 to 100 percent as trust limited liability partnership Control ended 07/07/2017
Mr Peter Andrew Harwood
born 12/1947 · Guernsey significant influence or control as firm limited liability partnership Control ended 08/05/2018 Controls 6 companies
Mr Tom Tar Singh
born 08/1949 · United Kingdom voting rights 75 to 100 percent as trust limited liability partnership · right to share surplus assets 75 to 100 percent as trust limited liability partnership Control ended 07/07/2017 Controls 6 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
17/11/2025 Person with significant control ceased Mr James Fairweather Edmondson
08/05/2018 Person with significant control ceased Mr Peter Andrew Harwood
08/05/2018 Person with significant control added Mr James Fairweather Edmondson
07/07/2017 Person with significant control ceased Mr Tom Tar Singh
07/07/2017 Person with significant control ceased Mr Mehnga Singh
07/07/2017 Person with significant control ceased Dr Alastair James Alderton
07/07/2017 Person with significant control added Mr Robert Hart Fearis
07/07/2017 Person with significant control added Mr Robert George Shepherd
07/07/2017 Person with significant control added Mr Peter Andrew Harwood
07/07/2017 Person with significant control added Mr James Grant Wilson
07/07/2017 Person with significant control added Mr Guillermo Pla Otanez
07/07/2017 Person with significant control added Mr Graham Michael Harrison
07/07/2017 Person with significant control added Mr Andreas Julius Bar
06/04/2016 Person with significant control added Mr Tom Tar Singh
06/04/2016 Person with significant control added Mr Thomas Cale Matthews
06/04/2016 Person with significant control added Mr Mehnga Singh
06/04/2016 Person with significant control added Mr Alexander Chase Emson
06/04/2016 Person with significant control added Dr Alastair James Alderton
07/05/2008 Registered name changed RIANTA PRIVATE EQUITY PARTNERSHIP LLP MAGENTA PARTNERS LLP

Documents for MAGENTA PARTNERS LLP

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Company extract£1.99

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Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

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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.

PDF Order

Data protection register

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

Magenta Partners LLP — SW1V 1PX
Tier 1 · renews 15/07/2027
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 MAGENTA PARTNERS LLP?
According to the official registry, the company number of MAGENTA PARTNERS LLP is OC332696.
Where is MAGENTA PARTNERS LLP registered?
The registered office is 84 ECCLESTON SQUARE, LONDON, SW1V 1PX, ENGLAND.
Who controls MAGENTA PARTNERS LLP?
Dr Alastair James Alderton is recorded as a person with significant control, and voting rights 75 to 100 percent as trust limited liability partnership, right to share surplus assets 75 to 100 percent as trust limited liability partnership.
When are the next accounts of MAGENTA PARTNERS LLP due?
The next annual accounts are due by 31 December 2027, and the last accounts were made up to 31 March 2026.

About MAGENTA PARTNERS LLP (OC332696)

MAGENTA PARTNERS LLP is a limited liability partnership incorporated on 8 November 2007 and registered in the United Kingdom under company number OC332696. Its registered office is at 84 ECCLESTON SQUARE, LONDON, SW1V 1PX, ENGLAND. The company is currently active , with statutory accounts last made up to 31 March 2026. , and the person with significant control is Dr Alastair James Alderton. 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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