18 Years WINHELLER | Our Development

This year, we are celebrating the 18th anniversary of our law firm. For this reason, we want to provide a short overview of the past years:


  • Our group of partners continues to grow! Attorney Dr. Constantin Goette, attorney Johannes Fein, attorney Elmar Krüsmann and attorney Nico Glöckle join the circle of partners.

  • Focus Magazine award for Top Tax Firm 2023
  • WINHELLER is represented with three lawyer recommendations in the Handelsblatt "Best Lawyers Ranking 2023"
  • WINHELLER becomes a Certified Personio Partner
  • WINHELLER rebranding and redesign of our website winheller.com
  • Christmas party with Californian-Japanese cuisine at GO by Steffen Henssler



  • Pursuing common goals: WINHELLER and "Steuerberater Matussek" from Aalen have joined forces on January 11, 2022

  • WINHELLER is represented with four lawyer recommendations in the "Best Lawyers Ranking 2022"
  • O'zapft is! During the Munich Oktoberfest, our Munich based colleagues invited to an unofficial "training in hop and pretzel law"
  • Viva Barcelona! After a corona-related break, it was finally time again this year for the WINHELLER team to go on a trip to Spain



  • Hipp hipp hoourray! We are celebrating 15 years of WINHELLER Rechtsanwaltsgesellschaft Attorneys at Law & Tax Advisors!
  • Sushi, Sparkling Wine And Ship Ahoy at this year's WINHELLER Summer Party!

  • WINHELLER is represented by three lawyers in the Best Lawyers Ranking 2021
  • WINHELLER is azur Top Employer 2021
  • Focus magazine award Top Tax Firm 2021
  • Top 3 in the nonprofit sector – Handbook of law firms "Legal 500 Germany 2021"



  • Focus Magazine awards “Top Business Law Firm 2020” and “Top Tax Firm 2020”

  • Award „Family-friendly Employer 2020“ by the media brand “freundin” and the Kununu online-platform

    „Family-friendly Employer 2020“ by “freundin” and Kununu Focus “Top Business Law Firm 2020” and “Top Tax Firm 2020”

  • WINHELLER is represented twice in the Best Lawyers Ranking 2021

  • Iurratio awards „Best SME Law Firm 2021” and “Best Employer in the South Region”

  • Young lawyers at WINHELLER: Three of our research assistants have successfully completed their 2nd state examination

  • Together as a team we have mastered the Corona year 2020 well!

    Young lawyers at WINHELLER Corona Virus 2020


  • Top 2 in the nonprofit sector – Handbook of law firms "Legal 500 Germany 2019"
  • Focus award "Top SME Employer 2019"

  • Firm trip to Oslo
  • Employee anniversary - 4 times 5 years WINHELLER



  • Focus award "Top Business Law Firm 2018" in tax law
  • Inhouse event on Blockchain in cooperation with the Association of Corporate Counsel (ACC)

    ACC Event Blockchain Focus Top Law Firm 2018
  • 12 years online magazine "nonprofit law news" having around 2,400 readers
  • Firm trip to St. Petersburg

    Firm Trip to St. Petersburg Neva River in St. Petersburg
  • Baby boom: This year, 8 babies "joined" our team.


  • Expansion of our office space in the Tower 185 to about 1,400 m² 

    Expansion of our office space Expansion of our office space
  • Development of the focus on IT law and M&A
  • Sponsorship of various events, such as the 2nd ScaleUp Summit in Berlin
  • Firm trip to Lisbon

    Trip to Lisbon Trip to Lisbon


  • 10th anniversary of the firm's foundation

    10 Years WINHELLER  Many thanks to all of our clients and the whole team of the law firm.
  • Meanwhile, over 30 employees, including 13 attorneys-at-law
  • Active co-operations with around 200 law firms in 55 countries
  • More than 35,000 euros of donated funds and regular pro bono activity
  • 10 years online magazine "nonprofit law news" (NPR) having around 1,800 readers


  • Relocation of the headquarters to Tower 185:
    Around 1,000 m² of office rooms in Germany's fourth largest high-rise building awarded with the international Green Building Certificate "LEED gold" of the US Green Building Council

    Already in summer, our employees could get a first impression of the new office.   It took three days only to transport all the furnishings.Several truckloads had to be conveyed to the 15th floor.   This is the new headquarters of the law firm in the Frankfurt Europaviertel.
  • First inclusion in the internationally renowned guide to the legal profession "Legal 500 Germany": Ranked top 5 in the nonprofit sector: Counseling

    WINHELLER in the guide Legal 500 Germany
  • Admission as a member of Pro Bono Deutschland e.V.
    WINHELLER is proud to be a member of Pro Bono Deutschland e.V.
  • Increase of professional malpractice insurance coverage to 10 million euros per case.


  • Inclusion in the Nomos handbook "Law Firms in Germany": 
    "WINHELLER has established and distinguished itself as a "one-stop-shop" for medium-sized companies, nonprofit organizations, the state sector, and investors. The law firm offers its international clientele legal and tax advice from one source and its nonprofit law practice is one of the leaders in Germany."
  • First inclusion in the handbook "Media Law International":
    "WINHELLER is appointed by domestic and overseas clients in relation to the protection and enforcement of their intellectual property, copyrights and neighboring rights in motion picture and music publishing industries, among others."

    inclusion in the Nomos handbook law firms in Germany   inclusion in the handbook Media Law International
  • Foundation of the international network "Digital Finance Lawyers"

    FinTech network: Digital Finance Lawyers
  • The German consumer foundation "Stiftung Warentest" lists WINHELLER as specialists in revocation of credit cases.
  • August: First firm trip for all employees to Barcelona, Spain

    view from hotel Meliá Barcelona Sky   swimming pool above the roofs of Barcelona   mandatory sightseeing tour with the whole team


  • December: As the law-firm continues to grow, its headquarters move to new offices in the Frankfurt Europaviertel (Europa-Allee 22, 60327 Frankfurt/Main). 
  • Meanwhile, 20 employees, including eight attorneys-at-law and one tax advisor

    relocation from Corneliusstrasse   headquarters at Frankfurt Europa-Allee  WINHELLER logo above the roofs of Frankfurt   lobby at Europa-Allee 22   cake for moving into Europa-Allee
  • Change of business name to "WINHELLER Rechtsanwälte & Steuerberater"


September: Relocation of the branch office at Moltkestraße Karlsruhe to offices in the business center at Ludwig-Erhard-Allee 10

office center at Karlsruhe Ludwig-Erhard-Allee   visitor’s lounge at the office center   workplaces at the office center


  • September: Contribution of the law firm to WINHELLER Rechtsanwaltsgesellschaft mbH
  • Meanwhile, 18 employees, including seven attorneys-at-law
  • First inclusion in Germany's most renowned handbook to law firms "JUVE Handbook of Commercial Law Firms": „There is a brisk demand for Winheller from financial service providers seeking advice to prevent possible complaints."
  • July: WINHELLER is the first continental European member of the US law firm network „Primerus“. 
    WINHELLER is the first continental European member of the US law firm network Primerus
  • Rent of office rooms in business centers in Munich, Berlin, and Hamburg.

    Berlin  Hamburg  Munich 

    inside the Berlin business center  visitor’s lounge at our office in Hamburg  WINHELLER office in Munich


  • May: Establishment of a branch office in Karlsruhe (Moltkestr. 25, 76133 Karlsruhe)

    branch office in Karlsruhe  stairs at Moltkestrasse
  • July: Membership in DATEV e.V.


 WINHELLER becomes DATEV member


  • May: WINHELLER Attorneys at Law move to first office in the Frankfurt Westend district (at Corneliusstraße 34, 60325 Frankfurt/Main).

    law firm building at Frankfurt Corneliusstrasse   inside the law firm   gate at the entrance of the law firm
  • Meanwhile, 11 employees, including 6 attorneys-at-law
  • Setting up a tax department specializing in advising nonprofit organizations
  • June: WINHELLER is ranked among the Top 10 German law firms with the best start-up concept as part of the Soldan Law Firm Founders Prize awarded by the German bar association, the Federal Chamber of Attorneys, FAZ newspaper, and Hans Soldan GmbH


  • 12.01.2006: Stefan Winheller establishes the law firm WINHELLER Rechtsanwälte in Frankfurt/Main specializing in the practice areas of nonprofit lawcapital investment law and industrial property rights.
  • Modest start: „one-man living room office“, use of a business center for client meetings (Bettinastraße 30, 60325 Frankfurt/Main); total of three attorneys-at-law, no support staff

    modest beginnings in Frankfurt Gallus   modest beginnings in Frankfurt Gallus
  • September: Irina Winheller joins the law firm and takes responsibility for finance, EDP and controlling.
  • October: Commencement of the exclusive co-operation on capital investment law and US class-action suits with KTMC LLP (formerly: Schiffrin Barroway Topaz Kessler, LLP) one of the largest and most successful law firms for class-action suits in the USA


  • Stefan Winheller undertakes postgraduate studies in international tax law and nonprofit tax law at Golden Gate University, San Francisco, USA: LL.M. in Taxation. 

    postgraduate studies in San Francisco
  • Additionally, he has an independent professional activity as an attorney-at-law for selected German clients.


  • August: Stefan Winheller is admitted to practice law in Germany as a "Rechtsanwalt" (attorney-at-law). This is followed by an independent professional activity as an attorney-at-law in particular specializing in nonprofit law.

Do you need support?

Do you have questions about our services or would you like to arrange a personal consultation? We look forward to hearing from you! Please fill in the following information.

Or give us a call: +49 69 76 75 77 80