Dieter Hillringhaus

Chartered Accountant
Tax Consultant
born in 1955
married, three children


  • Business administration studies at the universities of Münster and Cologne; degree: Diplom-Kaufmann (German business administration degree)
  • Auditor with KPMG
  • Worked for several years in the departments commercial planning and control as well as commercial accounting for RWE Group with power of attorney for the departments
  • Worked for several years in the tax department of PriceWaterhouseCoopers (PWC), in his last position as Tax Director
  • Tax consultant since 1990
  • Chartered accountant since 2000

Major areas of interest

Optimisation of legal form, business succession, executorship, tax-oriented business advisory services, preparation and audit of financial statements

As tax consultant and chartered accountant, I mainly focus on medium-sized businesses, freelancers and private individuals.
The German tax system is complex and confusing. My team and I assist you and provide you with tailor-made solutions adapted to your individual needs. Our law firm assists you from your business start-up and the change of legal form up to your business succession, providing you with one-stop solutions by cooperating with renowned legal practitioners.


We are well prepared for increasing requirements in all areas of tax law and industry. Here we also benefit from the expertise of other business partners: a Datev system partner in IT matters (we work with the programs of Datev eG in Nuremberg), renowned law firms in Cologne, external data protection supervisors and competent business advisors from the city and the region.

Dieter Hillringhaus, vereidigter Buchprüfer und Steuerberater

Hillringhaus PartG mbB
Lungengasse 48-50
50676 Köln

Phone: +49 221 9215290
Fax: +49 221 92152915