• Auditing
We audit your financial statements and analyse the fundamental principles of your business. [continued]
  • Advisory
We organize business concepts and their implementation against the background of legal and fiscal environments.[continued]
  •  Valuation
We value your company and the commercial real estate. [continued]

Prof. Dr. jur. Werner Nann

  • Partners
We have different partners to solve your problems and demands. Increasingly complex problems and conflicts demand specialized knowledge. [continued]
  • Careers
We offer you access into a diversified and fascinating employment. [continued]
  • Current activities and Projects
We keep you well informed and up to date on all the current activities and projects of our Office. [continued]

You may contact us at the telephone number +49 (0) 77 21 – 40 47 4-0
or via our contact form

We work on a federal scale and represent the interests of our clients at home and abroad

Prof. Werner Nann

Doctorate in Law, University of Bayreuth

LL.M International Business Law, University of Zurich

Degree in business administration (Diplom-Kaufmann), University of Munich

Registered Auditor (Wirtschaftsprüfer) – Certified Tax Consultant (Steuerberater)

Chartered Surveyor FRICS

(Fellow of the Royal Institution of Chartered Surveyors)

Practicing Affiliate, Appraisal Institute


The well-founded training and many years of experience as Registered Auditor (Wirtschaftsprüfer) and the participation in expert panels of the profession of Registered Auditors (Wirtschaftsprüfer) guarantee Professor Nann’s highly specialized qualifications. His teaching and research activities in Berlin complement his far-reaching practical experience allowing him the necessary theoretical penetration of the issues, their compilation and treatment/process.

  •  Implementation of business analysis and due diligence for merger and acquisition matters
  • Advisory opinion concerning company and property values
  • Economic appraisal of patents
  • Audits of automated value assessment systems
  • Special audit for closed property funds
  • Audits of company set-ups
  • Obligatory and voluntary annual audits according to German Commercial Code Law (Handelsgesetzbuch )
  • Valuation of real estate project developments

The above mentioned examples of projects were all completed on schedule and to the entire satisfaction of the client.


One of the core competences of the team is the planning and implementation and proposing of solutions and concepts for:

  • Merger and acquisition of companies
  • Share deals and asset deals under consideration of the economic demands in the light of complicated company and taxation laws
  • Advising trusts, associations and professional bodies
  • Supporting companies` tax consultants
  • Advising companies in the health and pharmaceutical sectors

The clarification of questions follows in close cooperation with the companies´ own consultants. We are able to look back on a large number of projects which have been successfully completed for companies.

International engagement in particular presents many challenges. Due to the far-reaching experience and well-founded and advanced training in international business and fiscal laws, Professor Nann and his team have extensive experience at their disposal, notably in the following countries:

  • China
  • Hong Kong
  • Brazil
  • Great Britain
  • Switzerland
  • USA
  • Cyprus
  • Czech Republic


The focal point of Professor Nann’s scientific activities is the assessment of investments.

Professor Nann is a frequent speaker at national and international symposia, in addition to which he is a member of the Immobilienwirtschaftlichen Fachausschuss (IFA) (Property Management Committee) of the Institut der Wirtschaftsprüfer in Deutschland e.V. (Institute of German Registered Auditors (Wirtschaftsprüfer) in Germany, registeredAssociation). Professor Nann was also involved in the creation of the auditing standard IDW S 10 “Valuation of Property“ as well as in the drafting of the auditing standard IDW ERS IFA 2 “Valuation of Property Assets in the Commercial Financial Statement”. The members of the team surrounding Professor Nann in his office have well-founded academic training and extensive professional experience and have published different articles on auditing, valuation, and tax matters.

Against this background of all-encompassing expertise, Professor Nann and his team have, on schedule completed major projects and numerous assignments both at home and overseas, e.g.:

  • Valuation of industrial objects coupled with the appraisal of domestic and foreign property and plant values
  • Valuation of extensive property portfolios in the sector of the commercial and housing industry
  • Real estate appraisal for accounting reasons in accordance with the German Commercial Code and International Financial Reporting Standards both at home and abroad
  • Valuation of companies and real estate in cases of corporate litigation and the purchase of shares





The registered auditing firm (Wirtschaftsprüfungsgesellschaft) has many years of experience at its disposal, particularly regarding the regulations of the Banking Act (KWG), the Securities Trading Act (WpHG) and the Trade Regulation Act (GewO) and is specialized in

  • Audits of financial services businesses
  • The compilation and examination of compliance solutions
  • Special business management investigations and analyses
  • Audits of non-profit organisations


You are looking for an interesting job?

And you have already gained your first experience in professional training or studies and are interested in taking part in dual study course at the Baden-Wuerttemberg Cooperative State University ?

Thanks to the various fields of activity in our office, during the practical phases the basic essentials for successfully completing your studies and for the subsequent exciting and widely-varied function in our team will be conveyed to you.

Further training is possible in the form of seminars and workshops and will form a continuing element in your onward professional development.

Would you like to learn more about us?

Then get in contact with us.
Werner Nann
Telephone: +49 (0) 7721 40474-0
E-Mail: bewerbung@nann.info

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