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INFORMATIONS
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A Bold Vision for the Future of Business
FidesLux was founded from a shared vision among experienced professionals in the fiduciary, corporate, and financial sectors. Although recently established, the company has rapidly positioned itself as a strategic partner for businesses and investors seeking tailored, forward thinking solutions to navigate today’s complex and fast evolving market environment.
A Team of Experts with
a Unified Vision
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FidesLux was born from the initiative of Bixio Ambrosini and Ramona Arnold, who combined their expertise to create a dynamic and highly specialized firm. The company stands out for its agile, collaborative structure, which enables in depth analysis and a fully customized approach for each project.
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Every solution is the result of close cooperation between the founders and the client, ensuring optimized strategies and sustainable outcomes. This operational model rooted in innovation and expertise allows us to anticipate client needs and provide effective support in corporate consulting, business restructuring, tax strategy, and accounting services.
Innovation and Fast Growth
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Despite its young age, FidesLux has already become a trusted name in fiduciary and corporate advisory. Our ability to respond swiftly to market challenges and deliver innovative, effective solutions makes us a reliable partner for both businesses and individuals.
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Looking ahead, FidesLux is driven by ambition and continues to invest in growth and innovation to provide cutting-edge support. With a strong focus on corporate restructuring, M&A projects, accounting management, and tax optimization, we help our clients achieve measurable and sustainable results.
The team

Ramona Arnold
With over 15 years of experience in international trading, corporate finance, and fiduciary consulting, Ramona Arnold is an expert in corporate restructuring, financial due diligence, process optimization, and the implementation of ERP and CRM systems. She supports companies and investors operating in global markets with tailored strategies and hands-on execution.
She holds a degree in Business Administration, specializing in Finance and Accounting, and has earned advanced certifications including Commodity Trading Specialist and Corporate Economist Specialist. Her solid academic background and deep expertise allow her to successfully manage complex projects and deliver customized, results-driven solutions.
Thanks to her extensive knowledge of Swiss and international regulatory frameworks, Ramona Arnold is a strategic partner of choice for companies aiming for growth, transformation, and long-term competitiveness.

Bixio Ambrosini
Licensed Fiduciary / Trustee , authorized by the supervisory authorities for fiduciary professions of the Canton of Ticino.
Bixio Ambrosini brings over 10 years of experience across, fiduciary services, tax consulting, accounting management, and real estate project development. He provides specialized advisory to businesses and private clients, with a focus on tax planning, year-end closing, administrative optimization, and the coordination of real estate investments always ensuring regulatory compliance and operational efficiency.
He holds a degree in Economics with a major in Financial Services, combining a strong foundation in finance, tax law, and corporate management. With a results-oriented approach, Bixio is a reliable strategic advisor for financial governance, tax strategy, property asset valuation, and the development of projects, creating long term value for his clients.
CONTACTS
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Official Supporters

Affiliations and Memberships


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Strategic Partners


Ottotto.ch