We are all specialists, but we find solutions as a team

Geschaftsfuehrung

mail

Volker Hummel

Tax advisor
Auditor

Degree in business administration (FH)

Tax advice

mail

Bettina Harms

Tax advisor

Diploma in Business Administration

Tax advice, specialist consultant for corporate succession DStV e.V.

mail

Joachim Wittlich

Auditor
Tax advisor

Fully qualified lawyer

Auditing

mail

Gründer

mail

Werner Renkes

Auditor
Freelancer

Degree in business administration (FH)

Special Projects

mail

Steuerberater

mail

Romina Dietzen

Tax advisor

Graduate in finance (FH)

CONCEPTer since July 2016

Tax consultancy, procedural law, health care consultant (IBG / HS Bremerhaven)

mail

Laura Lenz

Tax advisor

CONCEPTer since January 2016

Tax advice

mail

David Marx

Tax advisor

Business graduate

CONCEPTer since October 2017

Auditing, tax advice

mail

Kerstin Neubauer

Tax advisor

Graduate economist

CONCEPTer since August 2019

Tax advice, support for international companies, value added tax, Consultant for restructuring and corporate planning DStV e.V.

mail

Marie-Sophie Roth

Tax advisor

Bachelor of Arts (FH)

CONCEPTer since March 2020

Tax advice

mail

Jan Saulheimer

Tax advisor

Diploma in Taxation (FH)

CONCEPTer seit Juni 2022

Tax advice

mail

CONCEPTer

mail

Jonas Bauer

Tax clerk

CONCEPTer since January 2020

Year-end work, tax returns, financial accounting

mail

Nina Bitz

Tax Assistant
Tax clerk

Master of Arts in Taxation

CONCEPTer since August 2017

Year-end work, tax returns, financial accounting

mail

Sigrid Blum

Accountant

Business economist (VWA)

CONCEPTer since January 2019

Year-end work, tax returns, financial accounting

mail

Sandra Bingenheimer

Tax specialist
Tax clerk

CONCEPTer since January 2020

Year-end work, tax returns, financial accounting

mail

Sandra Buchheim

Accountant
Tax clerk

CONCEPTer since October 1999

Financial accounting, controlling

mail

Eda Celik

Tax Assistant
Tax clerk

Bachelor of Arts (DHBW)

CONCEPTer since October 2023

Year-end work, tax returns, financial accounting

mail

Andrea Flicker-Wurth

Payroll and financial accountant

CONCEPTer since March 2018

Financial accounting

mail

Christiane Hoch

Accountant
Tax clerk

CONCEPTer since May 2015

Year-end work, tax returns, financial accounting

mail

Elena Jonas

Accountant
Tax clerk

CONCEPTer since August 2000

Year-end work, tax returns, financial accounting

mail

Doreen Jung

Tax specialist
Tax clerk

CONCEPTer since May 2018

Year-end work, tax returns, financial accounting

mail

Ulrike Junker

Payroll and financial accountant

CONCEPTer since March 2014

Payrolls, financial accounting

mail

Daniel Mak

Tax Assistant

Master of Taxation

CONCEPTER since October 2022

Year-end work, tax returns, financial accounting

mail

Nadja Müller

Accounting specialist

CONCEPTer since January 2020

Financial accounting

mail

Marvin Müller

Tax Assistant

with Master of Taxation degree program

CONCEPTer since January 2023

Year-end work, tax returns, financial accounting

mail

Merve Nacaroglu

Human resources administrator
Office management clerk

CONCEPTer since June 2023

Payrolls

mail

Mandy Nguyen

Tax clerk

CONCEPTER since October 2022

Year-end work, tax returns, financial accounting

mail

Kerstin Press

Tax clerk

Degree in business administration (FH)

CONCEPTer since March 2006

Year-end work, tax returns, financial accounting

mail

Meike Primorac

Tax clerk

CONCEPTer since October 2020

Payrolls

mail

Claudia Scheiber

Tax clerk

CONCEPTer since January 2020

Payrolls, financial accounting

mail

Michelle Schilling

Tax clerk

CONCEPTer since May 2021

Payrolls

mail

David Stenner

Tax Assistant
Tax clerk

with Master of Arts in Taxation degree programme

CONCEPTer since August 2015

Year-end work, tax returns, financial accounting

mail

Ines Wagner

Tax clerk

CONCEPTer since June 2019

Payrolls, tax returns

mail

Monika Weyer

Tax clerk

CONCEPTer since July 1991

Year-end work, tax returns, financial accounting

mail

Adriana Wolf

Tax clerk

CONCEPTer since September 2021

Payrolls

mail

Organisation

mail

Bianka Hensel

Data processing clerk

CONCEPTer since August 2007

Law firm management, internal accounting

mail

Beate Riemer

Office clerk

CONCEPTer since October 2020

Reception

mail

Jutta Schaefer

Office clerk

CONCEPTer since June 2018

Administration

mail

Azubis

mail

Johannes Klinger

Trainee as a tax clerk

CONCEPTer since August 2021

mail

Kambiz Kayhanfar

Trainee as a tax clerk

CONCEPTer since August 2023

mail

Philipp Klein

Trainee as a tax clerk

CONCEPTER since October 2022

mail

Chantal Tossel

Trainee as a tax clerk

CONCEPTer since January 2023

mail

IT

mail

David Thelen

IT consultant

CONCEPTer since May 2020

Digitization, interfaces, document management

mail
Start your career

Talent wanted

Career

"Any meeting that lasts longer than an hour and doesn't even involve laughter is considered aggravated assault."
If you would like to start or further develop your career in the field of business and tax consulting in a competent and (usually) good-humoured team of colleagues, become a CONCEPTer.

Over 30 years of CONCEPT Renkes & Partner mbB

Our company history

The history of our company goes back to the year 1988 when we were founded in Mainz. Before that, our founder Werner Renkes had already been working as a tax consultant for around 8 years with two colleagues in a partnership. We are here for you with this experience!

Learn more

Let's get started!

Contact us
Symbol: x circle

Ihr Browser ist leider veraltet

Wir haben gemerkt, dass Sie den veralteten Internet Explorer verwenden.
Unsere Webseite arbeitet mit aktueller Technik, die teilweise nicht mehr vom Internet Explorer unterstützt wird. Dies hat zu Folge, dass bestimmte Elemente unserer Website (Instagram-Feed, Kontaktformular) nicht zur Verfügung stehen oder die Webseite teilweise falsch dargestellt wird. Ihre Nutzung dieser Webseite ist daher stark eingeschränkt.
Wir empfehlen Ihnen daher einen aktuellen Browser einzusetzen.