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About Us

Alva Tax and Finance AG is your boutique for international tax and financial consulting services.

We Create Material Added Value

Alva Tax and Finance AG creates material added value for you in the area of tax planning. We provide integrated services, considering and optimising actively relevant financial and corporate transactions for companies and internationally based individuals.


Alva is your independent, personal advisor and coach for complex international tax and financial consulting services. We apply for tax rulings with the competent tax authorities in Switzerland and represent or support you in tax matters.


Alva works closely with local and foreign tax and financial specialists, boutiques and big four firms. We develop individual strategies for you to solve issues and optimise transactions.

Organisation

Alva Tax and Finance AG is a Swiss corporation (Aktiengesellschaft) domiciled in Zurich.


The management has over 15 years of significant experience in international tax and financial consulting services. 

Board and Management

Dr. oec. Sonja Sidler, Managing Partner
Certified Tax Expert
Member of the Chamber of Trust, the official network of Swiss Certified Accountants and Tax Consultants.