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Sarah Busca Bonvin

Partner
Certified Tax Expert

Portrait of Sarah Busca Bonvin

Sarah Busca Bonvin

Partner
Certified Tax Expert

Contact
CMS von Erlach Partners Ltd
Rue Bovy-Lysberg 2
PO Box
1211 Geneva 3
Switzerland
Languages French, English, Italian

Sarah Busca Bonvin is a lawyer and tax expert specialised in both corporate and individual tax law. Together with M. Andrio Orler, she is responsible for CMS’ tax department in Geneva, which she joined in 2017.

She worked for 15 years in the Geneva tax administration as Director of the tax affairs where she was responsible for tax rulings before being appointed Deputy Director-General in 2010.This experience has given her significant breadth and depth of knowledge and practice in many areas of taxation.

Sarah Busca Bonvin is the President of the Geneva Section of the Tax Expert Association (OREF) and she teaches specialised courses in corporate taxation and transfer pricing for the LL.M. Tax program at the University of Geneva.

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Memberships & Roles

  • President of the Geneva Section of the Tax Expert Association (OREF)
  • Board member of the Swiss branch of the IFA (International Fiscal Association)
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Publications

  • La vente immobilière en viager: aspects de droit de droit civil et principales conséquences fiscales, in Not@lex 1/20: la revue de droit privé et fiscal du patrimoine
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Lectures list

  • Introduction of the trust in Swiss law: civil and tax law perspectives, Société genevoise de droit et de législation (SGDL), 13 June 2022
  • Wealth Planning Perspectives - Planification patrimoniale franco-suisse, Banque Lombard Odier & Cie SA, 24 March 2022
  • Actualités en matière d'imposition à la source, L'imposition à la source des travailleurs, ISIS, November 2020
  • Journée de droit fiscal, Exposé de jurisprudence, OREF/University of Geneva, February 2020
  • La fiscalité de la philanthropie, L'exonération des entités poursuivant un but d'utilité publique ou de service public, ISIS, November 2019
  • Accompagner la clientèle francophone dans la mobilité internationale, LODH, November 2019
    Post BEPS intellectual property taxation in Europe, CMS Tax Conference, Paris, January 31st 2019
  • CMS Talks | 5 perspectives sur le trust (fiscal aspects), Hôtel Mandarin Oriental, Geneva, November 20th 2018
  • Aperçu de la mise en oeuvre de la RFFA par les cantons, International Fiscal Association (IFA) Suisse, November 2018
  • Spontaneous Exchange of rulings – The post-BEPS World, University of Lausanne, October 2016
  • Réforme de l’imposition des entreprises III, Expertsuisse, Lausanne, September 2016
  • Actualités fiscales organisé par l’Ordre romand des experts fiscaux (OREF), l’Ordre genevois de la Chambre fiduciaire (OGCF) et Fiduciaire suisse, Genève, March 2016
  • Le step-up, International Fiscal Association, Berne, November 2015
  • Corporate tax reform III – The proposed measures from a cantonal perspective, Steuerkonferenz, Hochschule, Lucerne
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Education

  • 2006 – Certified tax expert exam
  • 1999 – Bar exam
  • 1994 – Law degree, University of Geneva (Switzerland)
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Expertise

Feed

11/04/2022
CMS Switzer­land re­cog­nised by The Leg­al 500
Rank­ings of CMS Switzer­land in The Leg­al 500 EMEA 2022 edi­tion
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14/04/2021
CMS Switzer­land ranked by The Leg­al 500
Rank­ings of CMS Switzer­land in The Leg­al 500 EMEA 2021 edi­tion CMS Switzer­land is re­com­men­ded in 18 cat­egor­ies in this year's Europe, Middle East and Africa edi­tion of The Leg­al 500, pub­lished in April...
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15/04/2020
New rank­ings from "The Leg­al 500" for CMS Switzer­land
New rank­ings from "The Leg­al 500" for CMS Switzer­land CMS Switzer­land is be­ing re­com­men­ded in 16 cat­egor­ies in this year's edi­tion of The Leg­al 500, pub­lished in April 2020. We are par­tic­u­larly pleased...
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16/04/2019
CMS Switzer­land fur­ther im­proves its rank­ing with The Leg­al 500
CMS Switzer­land fur­ther im­proves its rank­ing with The Leg­al 500 We are de­lighted to an­nounce that CMS Switzer­land is be­ing re­com­men­ded in 12 cat­egor­ies in this year's edi­tion of The Leg­al 500, pub­lished...
News
20/11/2018
CMS Talks | 5 per­spect­ives on trusts
As of today trusts are not co­di­fied in Swiss do­mest­ic law and are there­fore es­tab­lished un­der for­eign law pro­vi­sions. However, fol­low­ing the rat­i­fic­a­tion of the Hag­ue Con­ven­tion of Ju­ly 1st 1985 re­gard­ing...
Event Legal
21/11/2017
LE SEC­TEUR FIN­AN­CI­ER FACE À L’ÉVOLU­TION DU DROIT PÉN­AL FISC­AL
Les procé­dures rel­ev­ant du con­ten­tieux fisc­al can­ton­al et de la Dir­ec­tion af­faires pénales et en­quêtes (DAPE) ont aug­menté de man­ière im­port­ante ces dernières an­nées. En té­moigne l’évolu­tion...
Event Legal