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Céline Richa
Managing Partner - CFA, Certified Tax Expert, MSc Applied Mathematics (EPFL), Certified Auditor.


Engineer in applied mathematics by background, certified tax expert, Céline has over 20 years of experience in the audit, business and tax consulting and investment industry, having worked with the most prestigious firms before joining the family business. Mother of 2 girls, she is also fond of endurance sports, and an elite marathoneer.

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Pierre Richa
Of Counsel - Bachelor in Economics, Certified Tax Expert

Economist by background and a certified tax expert, Pierre first started within a multinational firm where he specialized in M&A and financial control. He then moved to the accounting, audit and tax advisory industry in the private sector, before focusing on tax law as a withholding and stamp tax specialist within the Federal Tax Authority in Bern, which he left 10 years later to set-up his own firm. On demand, he is still involved as Counsel for complex tax and accounting mandates.

He is also the happy grand-father of 4, and is passionate reader of Middle Eastern history and politics.

Guy Roch
Senior Tax Specialist

Guy has more than 20 years of experience in individual taxation within our firm. Before that, he has acquired a long experience as an accountant, with a special focus on real estate and inheritance law. His multidisciplinary expertise, his listening skills, his pragmatism and the care with which he takes care of files is particularly well appreciated by our clients.

Besides work, he is a passionate reader, aircraft modelist and motorbiker, and is an enthusiastic mountain hiker.

Claire Rojas
Certified expert auditor - Chartered expert accountant


Claire is a certified audit expert and chartered accountant. After having acquired an extensive audit and accounting experience within a Big Four accounting firm, she now assists SME and larger firms during the closing period, and is in charge of a number of financial audits for our firm.

Maude Favrat
Accountant and Salary Manager

Maude has over 15 years of experience in accounting, most of it within small accounting firms like ours, with a special focus on corporate accounting and salary management. Her patience and good mood let her manage each file with enthusiasm and professionalism, whatever the weather.

Sabrina Voirin
Accountant and Salary Manager


Sabrina has over 10 years of professional experience in the fields of accounting and salary management, most of which spent within our firm. She is also keen in managing individuals tax returns.
A young mother, Sabrina is also an active defender of animals rights.

Catrine Charif
Accountant and Salary Manager

Despite her young age, Catrine has already acquired a significative experience within the sector, gathered during her apprenticeship in a accountancy firm. Very reactive, she is always keen on finding solutions to every issue.