Heinz-Peter Wirtz

Part of ETL-Gruppe, ETL AG Wirtschaftsprüfungsgesellschaft Steuerberatungsgesells develops and operates software and provides information technology services. The company is based in Berlin, Germany. The German company was founded in 2012. Christoph Tönsgerlemann has been the CEO of the company since 2011.

Part of Mittelrheinische Treuhand GmbH, WIKOM AG Wirtschaftsprüfungsgesellschaft is a company based in Berlin, Germany that was founded in 2001. The German company specializes in providing auditing, tax, and organizational consulting services for public companies and institutions. The company's description emphasizes getting to know their company and the services they offer.

ETL International AG Steuerberatungsgesellschaft is a network of professional service firms that provides international audit, legal, and accounting services to small and medium-sized service firms with growing clients. The private company is based in Essen, Germany, and has subsidiaries in Ireland. The German company has offices in more than 50 countries and has experienced and qualified lawyers who can provide legal advice to help clients avoid unnecessary risks and costs. ETL GLOBAL has been in business for more than 40 years and has a group of tax advisors, lawyers, auditors, and accountants who offer international and local services for n companies. The company was founded in 2015, and the CEO is Christian Gorny.

Part of ETL Service GmbH, ETL Rechtsanwälte GmbH Rechtsanwaltsgesellschaft is a legal services company based in Essen, Germany. ETL Rechtsanwälte GmbH Rechtsanwaltsgesellschaft provides legal services. The German company was founded in 1996. The CEO is Christoph Malzkorn.

MRT AG Wirtschaftsprüfungsgesellschaft is a private company based in Koblenz, Germany. The CEOs of the German company are Ralf Ehre, Harald Breitenbach, Thomas Brocker. The company provides accounting and tax consulting services.