[3][4][5] The ETL Group employs 10,000 partners and staff, including more than 1,500 tax advisors, lawyers, auditors and management consultants.

At the beginning of the 1970s, Franz-Josef Wernze and Klaus F. K. Schmidt joined forces to open a tax advisory office.

Wernze and Schmidt took a holistic approach that combined tax advice with auditing and legal services in a one-stop consultancy package.

[7] The ETL Group offers consultancy services for private individuals, freelancers as well as small and medium-sized enterprise.

The RCU Vermögensverwaltung division also provides complementary consultancy and financial services with a focus on professional tax advisors as its target group.