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Company number
OC401789

TREEHILL ADVISORS LLP

Active
✓ Active company on the official register. Next accounts due 29 December 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
TREEHILL ADVISORS LLP
Company number
OC401789
Registered office
G-05 DAVENPORT HOUSE, 16 PEPPER STREET, LONDON, E14 9RP, UNITED KINGDOM · 193 other companies at this postcode
Company type
Limited Liability Partnership
Incorporated on
15 September 2015
Status
Active
Age
10 years
Accounts — next due
29 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
27 Sept 2026
Confirmation statement — last
13 Sept 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

Lifescience Advisors Ltd
voting rights 25 to 50 percent limited liability partnership
Notified 06/04/2016
Mr Ali Reza Pashazadeh Monadjemi
voting rights 25 to 50 percent limited liability partnership
Notified 06/04/2016
Mr Max Albrecht Baumann
voting rights 25 to 50 percent limited liability partnership
Notified 06/04/2016
Mr Russell Legare Gantt
voting rights 25 to 50 percent limited liability partnership
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Mr Ali Reza Pashazadeh Monadjemi
born 09/1971 · England voting rights 25 to 50 percent limited liability partnership Notified 06/04/2016 Controls 2 companies
Corporate owner voting rights 25 to 50 percent limited liability partnership Control ended 30/06/2017
Mr Max Albrecht Baumann
born 05/1983 · Germany voting rights 25 to 50 percent limited liability partnership Control ended 01/04/2025 Controls 5 companies
Mr Russell Legare Gantt
born 03/1952 · Usa voting rights 25 to 50 percent limited liability partnership Control ended 30/06/2017

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/04/2025 Person with significant control ceased Mr Max Albrecht Baumann
30/06/2017 Person with significant control ceased Mr Russell Legare Gantt
30/06/2017 Person with significant control ceased Lifescience Advisors Ltd
06/04/2016 Person with significant control added Mr Russell Legare Gantt
06/04/2016 Person with significant control added Mr Max Albrecht Baumann
06/04/2016 Person with significant control added Mr Ali Reza Pashazadeh Monadjemi
06/04/2016 Person with significant control added Lifescience Advisors Ltd

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Total assets less current liabilities 1,013
▲ 83.7%
552
Net assets 674
▲ 69.6%
397
Employees (avg) 1
▼ 50.0%
2

Documents for TREEHILL ADVISORS 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

No entry found on the ICO register of fee payers under this name.

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Frequently asked questions

What is the company number of TREEHILL ADVISORS LLP?
According to the official registry, the company number of TREEHILL ADVISORS LLP is OC401789.
Where is TREEHILL ADVISORS LLP registered?
The registered office is G-05 DAVENPORT HOUSE, 16 PEPPER STREET, LONDON, E14 9RP, UNITED KINGDOM.
Who controls TREEHILL ADVISORS LLP?
Lifescience Advisors Ltd is recorded as a person with significant control, and voting rights 25 to 50 percent limited liability partnership.
When are the next accounts of TREEHILL ADVISORS LLP due?
The next annual accounts are due by 29 December 2026, and the last accounts were made up to 31 March 2025.

About TREEHILL ADVISORS LLP (OC401789)

TREEHILL ADVISORS LLP is a limited liability partnership incorporated on 15 September 2015 and registered in the United Kingdom under company number OC401789. Its registered office is at G-05 DAVENPORT HOUSE, 16 PEPPER STREET, LONDON, E14 9RP, UNITED KINGDOM. The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Lifescience Advisors Ltd. 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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