It's not a Roman emperor, but perhaps its services will reign supreme. Constantin Associates is an international network of financial audit and consulting firms that help both large and small clients file financial statements and comply with major accounting standards in the US and Europe. It is a member of the Forum of Firms, an association of international networks of accounting firms that specialize in performing audits across national borders. Constantin Associates also offers special accounting work for companies, investment banks, and governments preparing for a listing, transaction, or reorganization. It maintains offices in the US, Canada, France, and Asia.