•  At the pulse in the Rhine-Neckar region, nationwide, and internationally.

We advise companies, their owners, management, executives, and family offices as well as startups and private individuals on tax, business, and entrepreneurial issues – and beyond.

Our clients include corporate groups with domestic and foreign subsidiaries in various industries (inbound and outbound structures), family-owned businesses and their shareholders and families, non-profit organizations such as foundations, associations, etc., financial service providers, freelancers such as nationally operating law firms and insolvency administrators or doctors.

  •  The history of th – Treuhand Heidelberg began in 1983.

Reinhard Kreide and Heiner Diechtierow laid the foundation of the tax consulting company with 2 employees in Heidelberg.
Today – 2022 – Treuhand consists of 6 partners and 70 employees* at 4 locations in the Rhine-Neckar region.

1983
Reinhard Kreide started his tax consulting activity in the Transconsulta Wirtschaftsberatung GmbH, which was founded in 1982 in Heidelberg together with Heiner Diechtierow, initially with two employees.

1984
The tax consulting partnership Heiner Diechtierow / Reinhard Kreide was established by Reinhard Kreide joining the sole practice of Heiner Diechtierow.

1985
The acquisition and incorporation of the tax consulting office of Christof Foltin into Foltin, Diechtierow, Kreide Wirtschaftsberatung GmbH, which is managed as an independent tax consulting company alongside the partnership and Transconsulta.

1988
Establishment of a branch office in Schönau and creation of six new jobs.

1992
Merger of Transconsulta Steuerberatungsgesellschaft mbH with Foltin, Diechtierow, Kreide Steuerberatungsgesellschaft mbH to form Treuhand Heidelberg Steuerberatungsgesellschaft mbH.

1998
Relocation to new office space in Friedrich-Ebert-Anlage with over 400 m² of office space for the now 18 Heidelberg-based employees.

2005
With the integration of his own firm with five employees on March 1, 2005, Dipl.-Betriebswirt (FH) Hans-Jürgen Rupertus, Steuerberater, becomes the third partner of Treuhand Heidelberg. This increases the tax consulting firm’s total number of employees to 35. Markus Mohr is admitted as another partner to the company on July 1, 2005.

2007
Our long-term employee Rouven Schweitzer has been granted power of attorney and has been appointed to the management board. He has been awarded the title of “Certificate in International Accounting” (CINA). Our team was strengthened on June 1, 2007 with the addition of tax consultant Sabine Hast.

2008
Treuhand Heidelberg celebrates its 25th anniversary with a representative ceremony at the Printakademie in Heidelberg. The keynote speaker is Prof. Dr. Dres. h.c. Paul Kirchhof.

2009
Steuerberaterin Sabine Hast has been appointed to the management board.

2010
Our employee Ralf Merkel has been appointed as a tax consultant.

2012
Tax consultant Sabine Hast is appointed as a proxy.

2013
The Treuhand Heidelberg has been in existence for 30 years. Sabine Hast is appointed as a specialist advisor for international tax law.

2014
In July, auditor and tax advisor Björn von Olnhausen merged his Mannheim-based firm with Treuhand Heidelberg, becoming a new partner of the company. The team of Treuhand Heidelberg now comprises 50 employees. Treuhand Heidelberg has significantly expanded its range of services with the addition of auditing services. The Mannheim colleagues moved to new office space in Mannheim Oststadt.

2015
Steuerberater Roger Wisniowski wird neuer Partner der Treuhand Heidelberg nach Einbringung seiner Kanzlei. Ludwigsburg wird neuer Standort.

2017
Since February 2017, tax consultant Peter Eisnecker has been strengthening our team. Therefore, Treuhand Heidelberg now employs a total of 10 professional practitioners.

2020
Our long-term employee and tax consultant Louis Metz has been admitted to the partnership of Treuhand Heidelberg. Tax consultant Ralf Merkel becomes a proxy. The team of Treuhand Heidelberg consists of more than 60 employees, including 15 professional advisers.

2023
The Treuhand Heidelberg is restructuring with a new corporate identity and corporate design.

  •  Sponsoring

As a founding member of the German Ice Hockey League (DEL) in 1994, the Adler Mannheim, which split from the Mannheimer ERC, a traditional and established club founded in 1938, have been a permanent member of the highest German league for almost 25 years now.

The Adler are considered the sporting flagship of the city of Mannheim, and ice hockey is always present in the Rhine-Neckar metropolitan region. In this time, the Adler have won the German championship seven times (1997, 1998, 1999, 2001, 2007, 2015, 2019). In addition, the blue-white-red team has won two cup titles so far (2003, 2007). However, this competition was only played with DEL participation from 2002 to 2009.

In addition to the national league, the Adler are also represented in the European top league, the Champions Hockey League. There, the Mannheim team competes with top teams from Sweden, Finland, and the Czech Republic, among others. The Adler play their home games in the SAP Arena, which holds 13,600 spectators and is one of the most modern multi-functional arenas in Europe. On average, over 10,000 spectators attend the Adler’s games live.

  •  Awards

In 2019, DATEV launched the award for particularly innovative law firms with the label “Digital DATEV law firm”. The innovation strength and individual digitalization rate of the law firms are of crucial importance in the selection of eligible law firms. The high efficiency of internal processes, as well as the innovative digitalization of the entire service process, were the decisive factors that led to th being awarded the quality label “Digital DATEV law firm” annually since 2019.

The magazine “JUVE Steuermarkt” examined the most important tax consulting firms in the Rhein-Neckar region in its November 2017 issue and recognized Treuhand Heidelberg as one of the champions in Mannheim.

With the publication of the ”

The magazine “JUVE Steuermarkt” examined the most important tax consulting firms in the Rhein-Neckar region in its November 2017 issue and recognized Treuhand Heidelberg as one of the champions in Mannheim.

With the publication of the “JUVE Handbook 2018 Taxes – Top Advisors for Companies“, the JUVE editorial team goes even further. As a result of extensive research and discussions with other consulting firms as well as experts from business, science, and justice, JUVE reports on the services of more than 100 consulting firms distributed throughout Germany. While the Big Four in the Mannheim area focus particularly on their auditing mandates, Treuhand Heidelberg was rated as a top practice and champion of the Mannheim region due to its wide range of consulting services and its focus on family businesses. In addition to its branch in Mannheim, Treuhand Heidelberg has other locations in the region, with the most important ones being in Heidelberg, Weinheim, and Schönau.

The JUVE editorial team goes even further. As a result of extensive research and discussions with other consulting firms as well as experts from business, science, and justice, JUVE reports on the services of more than 100 consulting firms distributed throughout Germany. While the Big Four in the Mannheim area focus particularly on their auditing mandates, Treuhand Heidelberg was rated as a top practice and champion of the Mannheim region due to its wide range of consulting services and its focus on family businesses. In addition to its branch in Mannheim, Treuhand Heidelberg has other locations in the region, with the most important ones being in Heidelberg, Weinheim, and Schönau.

The FOCUS magazine examined the German consulting landscape in the context of the FOCUS-Steuer-Spezial issue published in March. As a result, the top tax and auditing firms of 2016 were awarded in the special edition. Treuhand Heidelberg was honored as a top firm in two categories for 2016: the firm was recognized as a top tax firm in both the auditing and legal advisory sectors.