Company History

The History of Treuhand Heidelberg

After merging his firm with Treuhand Heidelberg, tax consultant Roger Wisniowski is made a new partner. A new office is opened in Ludwigsburg.

In July, auditor and tax consultant Björn von Olnhausen integrates his Mannheim-based firm into Treuhand Heidelberg and is made a new partner. The Treuhand Heidelberg team now consists of 50 employees and expands its core services to include auditing. Our Mannheim team moves to new offices in the Oststadt neighborhood of Mannheim.

Treuhand Heidelberg celebrates its 30th anniversary. Sabine Hast becomes a consultant specializing in international tax law. In August 2013, tax advisor Beatrix Bader joins our team.

Tax advisor Sabine Hast becomes an authorized signatory (Prokuristin).

Our employee Ralf Merkel is appointed a tax advisor (Steuerberater).

Tax advisor Sabine Hast becomes a member of management.

Treuhand Heidelberg celebrates 25 years in business with an elegant ceremony at Printakademie Heidelberg with keynote speaker Prof. Dr. Dres. h.c. Paul Kirchhof.

Our long-standing employee Rouven Schweizer is issued Prokura (signatory) authority, and he joins our management team. Rouven Schweizer receives a Certificate in International Accounting (CINA). Tax advisor Sabine Hast joins our team as of June 1, 2007.

On March 1, 2005, tax advisor Hans-Jürgen Rupertus, who holds a Dipl.-Betriebswirt (FH) business administration qualification from a German University of Applied Sciences (FH), becomes the third partner in Treuhand Heidelberg. He brings with him his own practice with five employees. This addition increases the size of our tax consulting firm to a total of 35 employees.Markus Mohr is made partner on July 1, 2005.

We move to our new Friedrich-Ebert-Anlage offices with over 400 m² in floor space for our staff, which now numbers 18 employees in Heidelberg. Heiner Diechtierow leaves the firm.

Transconsulta Steuerberatungsgesellschaft mbH and Foltin, Diechtierow, Kreide Steuerberatungsgesellschaft mbH merge to form Treuhand Heidelberg Steuerberatungsgesellschaft mbH. The tax consulting partnership of Heiner Diechtierow and Reinhard Kreide is integrated into Treuhand Heidelberg. Christof Foltin leaves the firm, and Ulrich Herzog joins as partner.

An office is established in Schönau, and six new jobs are created.

The tax consulting practice run by Christof Foltin is acquired and integrated into Foltin, Diechtierow, Kreide Wirtschaftsberatung GmbH, which is operated as an independent tax consulting firm alongside the partnership and Transconsulta.

The tax consulting partnership of Heiner Diechtierow and Reinhard Kreide is established when Reinhard Kreide joins the individual tax consulting practice of Heiner Diechtierow.

Reinhard Kreide starts to provide tax consulting services in Heidelberg within Transconsulta Wirtschaftsberatung GmbH, which was formed in 1982 in cooperation with Heiner Diechtierow. The firm has an initial staff of two employees.