ONE is dedicated to serving the accounting and tax needs of small to midsized businesses and individuals. We boast a qualified team of international financial professionals and offer a free initial consultation, so you can get to know us and learn about our services. When you become our client, you’ll always be treated like a valued customer. Some CPA firms are missing in action when you have a question - not us.
ONE consulting professionals are experienced CFOs, CPAs, CEOs with expertise in different business environments and countries.
We handle individual and corporate taxation. Not only fully compliance but we elaborate effective tax planning strategies to minimize your tax liabilities.
ONE International Tax professionals specialize in international taxes. We will help you stay compliant in every country and help you lower your tax liabilities in any regime.
MEET OUR TEAM OF BUSINESS, TAX & ACCOUNTING ADVISORS
As a team of multi-country origin, we provide our international clients with a sensible understanding of their business culture.
CPA - Managing Partner
Sergio Serafin Spera
CPA - Director
Daniele Di Carlo