Two Sigma International Limited

Reference number: 615256

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Authorised by the FCA

This firm is on the FCA register and authorised to carry out regulated activities.

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.

In the full report: 3 background checks

  • When twosigma.com first appeared online, and whether it can receive email
  • What kind of line 020 3750 9960 is, and the other firm that gives it
  • Who else gives the postcode EC2M 4YH
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FCA permissions and consumer protection

  • Hold or safeguard your money · Manage or trade investments FSCS may apply
    Eligible investment and pension claims are typically FSCS-protected up to £85,000 per person, depending on the product and your circumstances.
  • Give regulated advice FSCS may apply
    A claim for unsuitable advice is itself FSCS-protected, up to the limit that applies to the product you were advised on.
  • Complaints Ombudsman, free
    You can refer a complaint about this firm to the Financial Ombudsman Service for free, whichever activity it relates to.
Show FCA detail (5 permissions)
  • Advising on investments (except on Pension Transfers and Pension Opt Outs)
  • Arranging (bringing about) deals in investments
  • Dealing in investments as agent
  • Making arrangements with a view to transactions in investments
  • Managing investments

Limits on what they may do

  • This firm may handle your money in passing but must not hold it, so payments should go to the product provider, never to a personal account.

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 status
Active
Company type
Private limited company
Incorporated
28 January 2008 (18 years old)
Registered office
Level 5 7 Devonshire Square, London, EC2M 4YH, United Kingdom
Nature of business
  • Financial intermediation not elsewhere classified (SIC 64999)
  • Security and commodity contracts dealing activities (SIC 66120)
  • Activities auxiliary to financial intermediation not elsewhere classified (SIC 66190)
  • Fund management activities (SIC 66300)

Directors and company secretaries

Name Role Born Appointed Other companies
Malcolm Iain Carruthers Director Feb 1963 14 May 2012 2 other companies
Christopher Patrick Busby Director Apr 1982 1 Apr 2019 None
James Michael Burton Director Mar 1977 19 Apr 2021 None
Andrew Lawrence Rosenfeld Director Sep 1977 20 Oct 2025 None
VISTRA COSEC LIMITED Corporate secretary Not published 7 Apr 2025 –

Other companies run by these 4 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
2
still active
2
is FCA-registered
1

In the full report: all 2 companies, named

  • What each company does, and whether it is still trading
  • Which of these 4 directors sit on each board, and since when
  • Any that went into liquidation or administration
  • The one on the FCA register
  • All 12 people who have ever been directors, with their dates
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Key dates in its history

Two Sigma International’s history from the FCA register and Companies House, newest first.

2022

26 November 2022

  • FCA imposed a requirement (May control but not hold client money)

FCA register

2014

1 October 2014

  • Regulated by the FCA from this date
  • Became authorised by the FCA

FCA register

2008

28 January 2008

  • Incorporated at Companies House

Companies House

In the full report: all 23 events

  • All 23 events in its history (4 shown here)
  • Every director appointment and resignation: 18
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Firms connected to Two Sigma International

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

connected firms
2
share a director
1
share its phone number
1

In the full report: all 2 connected firms, named

  • How each is linked: shared directors (1), the same phone number (1), the same postcode (1)
  • Who links each one: the named directors, with dates
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Firms like Two Sigma International

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

In London

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 Two Sigma International

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

  • 2 other companies its directors have run, named
  • 3 background checks on its contact details
  • All 23 events in its history
  • 2 connected firms, named, and who links them

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Frequently asked questions about this firm

Is Two Sigma International Limited FCA authorised?
Yes, Two Sigma International Limited (FRN 615256) is authorised by the FCA to carry out regulated activities. It has held its current authorisation since October 2014 and works as an investment or fund manager. The FCA has placed a limit on what it may do.
What is Two Sigma International’s phone number and website?
The FCA register lists the phone number 020 3750 9960 and the website twosigma.com for Two Sigma International. If you were given different contact details, use these to check with the firm before going any further. The same number is also given by one other FCA firm.
Is Two Sigma International a scam or clone?
Two Sigma International 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 Two Sigma International?
It may control client money but not hold it. It depends on the product, but eligible claims may be protected by the FSCS. You can also refer complaints about Two Sigma International to the Financial Ombudsman Service, free of charge.
Who runs Two Sigma International?
Companies House lists 4 directors of Two Sigma International: Malcolm Iain Carruthers, Christopher Patrick Busby, James Michael Burton and Andrew Lawrence Rosenfeld.
How long has Two Sigma International been in business?
The company was formed on 28 January 2008, and has held its current FCA authorisation since October 2014.

Sources and links

The full report on Two Sigma International Limited

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