The ETL Group advises its clients in every phase of their business – from start-up and expansion to succession. Its core competence is tax consulting. In addition, the group offers auditing, legal and management consulting, and financial services. Across Germany, around 14,300 employees serve more than 293,000 clients in over 950 offices. ETL also has a presence in over 60 countries worldwide.
As one of several subsidiaries, ETL DIAG GmbH, based in Cologne, supports the offices as a service partner. It offers them services in the areas of data protection, occupational safety, and electrical testing. In Piepenbrock, DIAG has found a partner that is well positioned nationwide and values long-term cooperation. A total of 60 test engineers from the service provider from various regions are involved in the project.
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