The core activity of LeitnerLeitner is the provision of services in the fields of tax consulting, auditing, and financial advisory services. Specifically, this includes: tax consulting, auditing, and financial advisory services (in particular international asset management and succession planning, corporate tax law and transfer pricing). The company offers these services to a variety of clients, including companies, family businesses, private individuals, public corporations, NPOs, conglomerates, foundations, and freelancers.