Grant Thornton uses cookies to monitor the performance of this website and improve user experience

To find out more about cookies, what they are and how we use them, please see our privacy notice, which also provides information on how to delete cookies from your hard drive.

Grant Thornton Logo

  • About us
  • Contact us
  • Global Reach
    Global Reach Global Reach

            “At Warth & Klein Grant Thornton we employ more than 750 experts in the fields of assurance, tax advice and specialist advisory services. The high level of professionalism of our staff is what assures the consistently high quality of the services we provide. In addition to our professional qualifications, our clients can also count on individual advice and personal service.”

            Joachim Riese, managing partner

            We are Grant Thornton Germany

            Warth & Klein Grant Thornton was founded in 1958. We offer audit, tax and advisory services to privately held businesses and their shareholders, capital market focused and public interest entities. We have two International Business Centre directors who provide the connections and gateways to the resources of the Grant Thornton International global organisation. Our experts in international business are directly connected with the wealth of experience Grant Thornton partners have from around the world.








            Global strength

            Grant Thornton is one of the world’s leading organisations of independent assurance, tax and advisory firms. With 47,000 Grant Thornton people, across more than 130 countries, we are focused on making a difference to clients, colleagues and the communities in which we live and work.

            Why Grant Thornton

            We offer our clients customised services in connection with all business-related issues. We work hard to assure our clients’ success: with our professional and personal competence, strong commitment and engagement, as well as an international perspective.


            Grant Thornton is an award-winning globally recognised professional services network. Here are some of our awards:

            MCA Project of the year 2015
            Best Programme for Leadership Development in 2015
            IAB Employer of the year 2014
            Global network of the year 2013