Movers and shakers with expertise

Our experts come from a wide range of different fields. What they all share is the same integrated approach to consulting – and the same goal: to join forces with you to achieve the best possible results for you. We love new challenges. But we don’t do things by half measures. When we do something, we do it right. And we enjoy doing it.

Search and find
Looking for a point of contact for a specific issue or specialist field? Feel free to use our search function. If you want to search for a specific name, the alphabetic team overview can take you straight to what you are looking for. This section lists contact information as well as areas of expertise and practice areas.

All of us look forward to getting to know you – and to working with you to find just the right solution for your individual needs.

Marco Nelleßen

tax advisor

Specific industry knowledge

  • Information Technology
  • Pharmaceutical industry

Focus of services

  • Corporate taxation
  • Taxation of individuals
  • Preparation of annual financial statements and tax returns for natural persons, partnerships and corporations

Professional career

  • Tax advisor at ADKL (since 2021)
  • Appointment as tax advisor (2020)
  • Warth & Klein Grant Thornton AG (2016-2021)
  • Studies: Taxation & Auditing, Hochschule Niederrhein (2012-2016)

Marco Nelleßen

tax advisor