• your private wealth management
  • your private equity
  • your private tax & accounting
  • your private real estate

Your Private Advisor

With more than fifty years of combined experience in finance, project development, financial planning, accounting, real estate, SFO Partners’ clients have access to a dedicated team very much implicated in the management of their investments and businesses.

Our strategy is to supply value-added advice to our clients in order for them to better organize and manage their wealth and businesses according to their needs. Our involvement depends on each client-specific situation, but we always remain focused on the ultimate goal of delivering value to our clients in respect of our principles.

  • Integrity

    We always act according to our values, beliefs and principles.

  • Independence

    We are dedicated to offer our clients independent trusted advice.

  • Excellence

    We always deliver the highest quality services to our clients.

  • Flexibility

    We always deliver the highest quality services to our clients.

Our Team

  • Alain Sierro

    Founding Partner

    Mr. Sierro holds a Master's degree in Economics and a Diploma in Finance and Investment (CFPI).

  • Olivier Bruttin

    Founding Partner

    Mr. Bruttin holds a Master degree in Electrical and Electronic Engineering at the EPF of Lausanne.

  • Aurelia Horisberger

    Executive Director

    Mrs. Horisberger obtained a Master in Pharmacy at the University of Geneva and is a certified Wealth Management advisor.

  • Joel Scolari

    Managing Partner

    Mr. Scolari obtained a Master of Science in Economics at the University of Lausanne.

  • Nicola Guarneri

    Managing Partner

    Mr. Guarneri has more than 15 years of experience in the field of business development in the high-tech industries.

  • Support team


    Gina Feola
    Stéphanie Dieguez


    Alice Fontana

Like the route of a glacier finalizing a deal is often a long and difficult exercise, you need patience, perseverance and sometimes luck too

Wealth Management Advisor

Our firm offers a global approach of tangible and intangible assets management. Therefore, when it comes to the protection, growth and control of your assets, we analyze and integrate your family’s values and vision in order to meet all your expectations.

The best advice is often to capitalize on the past to build the future

Private Equity Advisor

Our firm offers general strategic and transaction-specific advice regarding mergers and acquisitions, divestures, takeovers, strategic partnerships or joint ventures. We advise business owners, board of directors, management and investors.

Values are like mountains, they stand well above while deeply anchored

Tax Advisor

Our firm offers individuals and legal entities comprehensive advice and assistance in various areas of national tax law regarding income tax, tax on profits, capital tax, individual property tax, real estate gains tax, stamp duty and the following areas in particular:

For a dam not to break, it must be solid, yet also flexible – just as your approach to investment should be

Real Estate Advisor

Our firm assists you through every phase that involves real estate. From the undeveloped site through temporary utilization or conversion, to the management or sale of existing or planned properties of a private or commercial nature. Our services include:


+41 22 319 39 69

Rue Robert-Céard, 13 / CP 3700 / 1211 Geneva 3 / Switzerland


+41 91 611 29 29

Corso Elvezia, 9a / CP 6365 / 6901 Lugano / Switzerland

Contact Form

Want to know more about us? Give us a call or drop us an email and we will get back to you as soon as possible