PX3 Partners Limited: FCA regulated?

Appointed representative

This firm does not hold FCA authorisation of its own, and acts under a principal firm, which is legally responsible for its regulated business.

Appointed for 4 years
Protected through the principal
No FCA actions
Active company since 2021
Accounts filed up to 31 December 2024

Responsible principal firm

Langham Hall Fund Management LLP Reference number: 746018 Authorised View firm →

What does this mean?

An appointed representative (AR) can carry out regulated financial services, but is not directly authorised by the FCA. A principal firm holds the authorisation and is legally responsible for the AR's conduct.
PX3 Partners Limited (FRN 971173) is an AR of Langham Hall Fund Management LLP (FRN 746018). When you use PX3 Partners's services, the FCA authorisation sits with the principal firm.
Example: if you take financial advice from PX3 Partners, complaints and compensation usually follow the same rules as dealing with the principal, but this depends on the product and your circumstances.
Before you proceed, confirm contact details match the official FCA register for both firms. Scammers sometimes clone legitimate AR names and FRNs but use fake phone numbers and websites.

Website, phone number and address

Compare these against whatever you were given. Scammers clone real firm names and reference numbers but use their own phone number and website, so a detail that does not match the register is the clearest warning sign there is.

Website

px3partners.com (opens in a new tab)
Phone number

020 8036 5108
Address

37 Thurloe Street, London, SW7 2LQ, United Kingdom

In the full report: 3 background checks

When px3partners.com first appeared online, and whether it can receive email
What kind of line 020 8036 5108 is
Who else gives the postcode SW7 2LQ

FCA permissions and consumer protection

Protection through the principal firm
Protection works through Langham Hall Fund Management LLP, the principal firm responsible for this firm's regulated activity. FSCS cover and the Financial Ombudsman Service apply as they would to the principal.
Complaints Ombudsman, free
You can refer a complaint about this firm to the Financial Ombudsman Service for free, whichever activity it relates to.

FCA disciplinary action and complaints

No FCA disciplinary action.

The Financial Ombudsman Service only publishes complaint figures for firms with 30 or more new complaints in six months, so there are none here for this firm.

Companies House record

The company behind the firm: its status, age, registered office and directors.

Company number: 13689996 (opens Companies House in a new tab)
Company status: Active
Company type: Private limited company
Incorporated: 19 October 2021 (5 years old)
Registered office: 37 Thurloe Street, London, SW7 2LQ, England
Nature of business: Activities auxiliary to financial intermediation not elsewhere classified (SIC 66190)

Directors and company secretaries

Name	Role	Born	Appointed	Other companies
Frans Petter David Johnsson	Director	Nov 1973	19 Oct 2021	10 other companies
Gianpiero Lenza	Director	Nov 1976	19 Oct 2021	4 other companies
Sebastien Simon Mazella Di Bosco	Director	Nov 1978	19 Oct 2021	8 other companies
Kirsten Louise Joly	Secretary	Not published	31 Jan 2022	–

Other companies run by these 3 directors

A firm is run by people, and their other companies are their track record: what they built, what closed, and anything that failed. It is the check most people never think to make.

other companies: 14
closed down: 2
is FCA-registered: 1

In the full report: all 14 companies, named

What each company does, and whether it is still trading
Which of these 3 directors sit on each board, and since when
Any that went into liquidation or administration
The one on the FCA register
The 6 companies these 3 directors run together
All 4 people who have ever been directors, with their dates

Filed accounts and finances

Year to 31 December 2024Micro-entity accountsNot audited

Net assets

£83.8k

−74% from £321k

Employees (average)

8

+33% from 6

Owed within a year

£493k

+41% from £351k

Assets and liabilities

About these figures

Turnover: Money taken from sales in the year, before any costs.
Profit before tax: What was left after the year’s costs, before corporation tax. A minus figure is a loss.
Net assets, or total equity: Everything the company owns minus everything it owes. A minus figure means it owes more than it owns.
Total assets and total liabilities: Everything the company owns, and everything it owes, on the last day of the year. The gap between them is its net assets.
Cash at bank: Money in the company’s accounts on the last day of the year.
Owed within a year, owed after a year: Debts and bills due in the next twelve months, and those due later.

There is no turnover or profit: small companies do not have to publish them.

Accounts filed at Companies House for company 13689996. Every figure is as filed, apart from total assets and total liabilities, which are added up from filed figures. Nothing is estimated.

Key dates in its history

PX3 Partners’s history from the FCA register and Companies House, newest first.

Key events (8) All events (15)

2025

17 March 2025

Frans Petter David Johnsson stopped being a part-owner
Gianpiero Lenza stopped being a part-owner
Sebastien Simon Mazella Di Bosco stopped being a part-owner

Companies House

2022

4 March 2022

Became an appointed representative

FCA register

2021

19 October 2021

Incorporated at Companies House
Frans Petter David Johnsson became a part-owner (25–50% of shares)
Gianpiero Lenza became a part-owner (25–50% of shares)
Sebastien Simon Mazella Di Bosco became a part-owner (25–50% of shares)

Companies House

In the full report: all 15 events

All 15 events in its history (8 shown here)
Every director appointment and resignation: 5

Firms connected to PX3 Partners

Other FCA-listed firms that share a director, phone number or address with PX3 Partners. A link shows who the firm is tied to, not whether either can be trusted.

past link: 1

In the full report: all 0 connected firms, named

1 past link through former directors

Firms like PX3 Partners

Other firms of the same type (investment or fund manager), nearest first.

In London

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Firms are listed by type and location, best known first. Being listed is not a recommendation: check any firm before you deal with it.

Get the full report on PX3 Partners

Everything on this page, plus everything locked above, in one dated PDF you can keep, file or send on.

14 other companies its directors have run, named
3 background checks on its contact details
All 15 events in its history

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Frequently asked questions about this firm

Is PX3 Partners Limited FCA authorised?

PX3 Partners Limited (FRN 971173) is not directly authorised. It is an appointed representative acting under the responsibility of a directly authorised principal firm.

What does appointed representative mean for PX3 Partners?

An appointed representative (AR) can carry out regulated financial services, but is not directly authorised by the FCA. A principal firm holds the authorisation and is legally responsible for the AR's conduct. PX3 Partners Limited (FRN 971173) is an AR of Langham Hall Fund Management LLP (FRN 746018). When you use PX3 Partners's services, the FCA authorisation sits with the principal firm. Example: if you take financial advice from PX3 Partners, complaints and compensation usually follow the same rules as dealing with the principal, but this depends on the product and your circumstances. Before you proceed, confirm contact details match the official FCA register for both firms. Scammers sometimes clone legitimate AR names and FRNs but use fake phone numbers and websites.

What is PX3 Partners’ phone number and website?

The FCA register lists the phone number 020 8036 5108 and the website px3partners.com for PX3 Partners. If you were given different contact details, use these to check with the firm before going any further.

Is PX3 Partners a scam or clone?

PX3 Partners is a genuine FCA-listed firm, and the FCA has published no warnings about fake versions of it. Scammers do copy real firms, though, so check that any contact details you were given match the ones on the register.

Is my money safe with PX3 Partners?

Protection works through Langham Hall Fund Management LLP, the principal firm responsible for PX3 Partners's regulated activity. FSCS cover and the Financial Ombudsman Service apply as they would to the principal.

Who owns PX3 Partners?

Companies House lists no one with significant control of PX3 Partners now. Before that, it was controlled by Mr Frans Petter David Johnsson, Mr. Gianpiero Lenza and Mr. Sebastien Simon Mazella Di Bosco.

Who runs PX3 Partners?

Companies House lists 3 directors of PX3 Partners: Frans Petter David Johnsson, Gianpiero Lenza and Sebastien Simon Mazella Di Bosco.

How long has PX3 Partners been in business?

The company was formed on 19 October 2021.

What do PX3 Partners’ latest accounts show?

Its latest accounts, to 31 December 2024, show net assets of £83.8k (−74% from £321k).