Wolf Achim Tönnes

Partner, auditor, tax consultant, attorney (Münster)

Tel.: +49 (0) 251/2808-161

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Overview of contact persons

Wolf Achim Tönnes


born 1955, married, 2 children

Areas of expertise

  • Legal and economic consulting and auditing for national and international companies
  • Auditing of financial service providers (particularly leasing companies)
  • Company acquisitions, company valuations
  • Due diligence audits
  • Transfer pricing

Sectors (core area)

  • Financial service companies (esp. leasing companies)
  • Commercial enterprises, agricultural trade, engineering

Other activities

  • Head of internal quality assurance
  • Quality assurance auditor according to para. 57a WPO [German auditors’ ordinance]
  • Lecturer at Münster University of Applied Sciences, auditing master’s course
  • Head of the HLB “auditing” working group

Select publications

  • “Geldwäscheprävention bei Leasing-Gesellschaften”, FLF Finanzierung, Leasing, Factoring 1/2018, in cooperation with Aydin Celik, Master of Science
  • “Unternehmensbewertung als Rechtsproblem”, M&A Review 12/2017
  • Komplexität der Unternehmensbewertung: Resignation der Gerichte? – Eine Erwiderung auf Emmerich (EWeRK 2016, 153), in cooperation with Dr. Ulrich Egger, Zeitschrift des Instituts für Energie- und Wettbewerbsrecht in der Kommunalen Wirtschaft e.V. “EWeRK” 6/2016
  • “Recht der Unternehmensbewertung”, RWS-Skript 359, 8th, new edition 2016, in cooperation with Prof. Dr. Bernhard Großfeld and Dr. Ulrich Egger

Partner since 1997

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