Vivienne Tanchel

Vivienne Tanchel

"She has a really sharp legal mind. She is reassuring, patient, tolerant and good at distilling complexities."
"Vivienne is extremely hard-working. She takes on very complex cases and quickly identifies the main issues."

Chambers UK 2024
Year of call: 2005
For enquiries please call: 020 7353 5324 or email vcard cv save

Business Crime & Financial Services

Vivienne is regularly instructed by leading defense solicitors, to advise and represent bankers, directors & officers of companies, hedge fund managers and other City professionals facing criminal and regulatory allegations. Vivienne has extensive experience of cases involving allegations of insider dealing, market abuse, boiler room fraud, money laundering, VAT fraud, mortgage fraud and directors’ disqualification proceedings and particular experience in corruption and bribery cases. Vivienne’s experience includes applications for injunctions and restitution brought by the FCA,  and contempt of court proceedings in the High Court.

Notable Cases:

Fraud and Financial Crime

From the very early days of her career at the Bar, substantial, complex fraud and other white collar crime cases have been the mainstay of Vivienne’s practice. She has been instructed in cases prosecuted by the SFO, the FCA and private prosecutors.

She has appeared in many serious fraud cases, including MTIC fraud, insider trading, mortgage fraud and fraudulent trading. She was instructed in one of the large LIBOR trials for the first defendant(SFO v Read & ors) others) and one of the largest land-banking frauds (R v Crawley & ors) and was instructed in the only insider dealing case in which the FCA agreed to enter into a SOCPA agreement and represented one of the defendants in the SFO bribery prosecution arising from bribes paid by FH Bertling. She has also appeared in many tax fraud cases as well as providing advice to those under investigation of manipulation of other financial benchmarks.

FCA v Z

Instructed as led junior representing the first defendant, a banker charged with multiple counts of insider trading.

R v M

Represented the first defendant in a multi million pound VAT and excise duty fraud.

R v G

Represented the third defendant alleged to have bribed a metropolitan police officer in the first case of the bribery of a UK public official brought under the Bribery Act 2010.

R v M

Led junior for the second defendant in the case involving bribery at the logistics company FH Bertling.

R v Nickson

Led Junior representing a leading clinical negligence solicitor with fraud on two clients who had suffered life changing injuries following treatment on the NHS.

Allseas v Sultana

Instructed to represent Paul Sultana in what was alleged to be the largest ever privately prosecuted fraud. Sultana was one of a team of fraudsters who defrauded the Allseas Group (a Swiss oil and gas company) of €100m.

SFO v R

Instructed as a led junior for the first defendant in the LIBOR II trial. The trial involved the alleged large scale manipulation of the LIBOR benchmark rate. Vivienne’s client was acquitted of both counts of fraud.

SFO v X

Instructed to advise a foreign exchange trader in relation to various investigations including one by the Serious Fraud Office.

FCA v A Company 

Represented the defendant company and the director in proceedings brought by the FCA in the High Court relating to an allegation that the Company was running an unauthorised collective investment scheme. Vivienne also represented the company and the director in the appeal to the Court of Appeal. The case is currently the leading authority on Collective Investment Schemes.

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