Auditing – Reliable, Precise, and Local.
Personal guidance rather than just testing
With us, you as our client are always our top priority. Our certified public accountants provide you with personalized support, carefully assess your business situation, and respond promptly to your concerns. We place great emphasis on trust and open communication—because that is the only way to build trust and provide peace of mind. Our goal is not only to audit you, but also to develop clearly structured recommendations for action tailored to your needs.
We create added value in person on-site:
Whether during project discussions, closing meetings, or throughout the audit process—you always have a dedicated point of contact who understands your business development and thinks proactively with you. Fully digital, paperless, and of the highest standard.
Personalized advice – tailored assessment
Every company is different—that’s why we tailor our audit approaches precisely to your needs. Whether you’re a small-to-medium-sized business or a large corporation, and whether it’s an annual financial statement audit, an IT audit, or a business valuation: We combine economic, tax, and legal perspectives—in a way that’s clear, solution-oriented, and forward-looking.
Our interdisciplinary teams work according to our Winsulting® philosophy—with business expertise and a clear focus on the long-term success of your company.
The People Behind Auditing
Jens
Bruns
- Apprenticeship as a tax clerk, university studies majoring in tax, auditing and banking
- 2004 Appointed as a certified tax advisor
- Since 2014 Managing Partner
- Lecturer in “MBA, Management of SMEs” for masters students at the University of Hanover
- Private and business tax returns
- Succession issues and transfers of private wealth
- Advising not-for-profit organizations”
Werner
Flügge
- Apprenticeship in banking followed by studies at the Remote Learning University of Hagen and Georg-August-University, Göttingen
- 1997 appointed as a certified tax advisor
- 2000 appointed as a certified public auditor
- Since 2005 Managing Partner
- Reorganizations and reorganization tax law / corporate reorganizations
- Business rescues and restructuring, expert reports pursuant to IDW S 2, S 6, S 9 and S 11
- Transaction advisory and business valuations S 1
- Legal defense/ representing clients during tax audits”
Ulrich
Gehrke
- Studies with a focus on tax and auditing, thereafter employed at KPMG and EY
- Since 1992 Managing Partner
- Advisory board of and HANNOVER Finanz
- Member of the Executive Committee of the global advisory network GGI
- Lecturer in “MBA, Management of SMEs” for masters students at the University of Hanover
- Advising on tax structures
- Advising on anticipated succession issues
- Private asset management
Olaf
Goldmann
- Studies at the University of Göttingen
- Employed at PwC and other large advisory firms
- Since 2014 Managing Partner
- Auditing and advising SMEs and groups of companies
- Auditing separate and consolidated financial statements (HGB and IFRS)
- Restructuring, mergers and acquisitions, due diligence
Stephan
Hachmeyer
- Trained as an industrial clerk and studied economics in Paderborn
- Worked for PwC for many years
- Appointment as tax consultant 2010 / as auditor 2014
- Since 2021 Managing Director
- Preparation, consulting and review of sustainability information
- Auditing and consulting of medium-sized industrial companies and handicraft enterprises
- Accounting of annual and consolidated financial statements according to HGB and IFRS
- Auditing of IT systems in small and medium-sized enterprises (project-related or regularity and security requirements)
- Business audits (ISAE 3000 / ISRS 4400)
Anika
Hartmann
- Business studies at the Wilhelmshaven University of Applied Sciences
- Appointed as a tax consultant in 2012
- Worked as a tax consultant in various medium-sized tax consulting firms
- With Gehrke Econ since 2022
- Tax structuring advice
- Tax advice in company succession processes
- Support during tax audits
- Ongoing tax support for medium-sized groups of companies and preparation of annual financial statements and tax returns
- Implementation of tax training courses
Dr. Dennis J.
Hartmann
- Studies of commerce at the Universities of Hanover and Eichstätt-Ingolstadt (Diploma)
- 2011 appointed as a certified tax advisor, 2013 as a public auditor
- Employed at Hannover Rück, Linklaters and PwC
- Since 2018 Managing Partner
- Tax consulting
- Restructuring
- Tax structuring of company acquisitions and sales
- Due Diligence
- International tax law and transfer pricing
- Reorganisation and restructuring
- Audit of annual financial statements
- Special audits
Ralf
Schnippengerd
- Studies at the University of Münster
- Employed at PwC and a cooperative auditing association
- Auditing and advising SMEs and groups of companies
- Auditing separate and consolidated financial statements (HGB and IFRS)
- Restructuring, company valuation, due diligence
Denise
Staak
- Apprenticeship in higher public administration, followed by studies at the University of Hanover
- 2005 appointed as a certified tax advisor, employed at Ernst & Young
- Since 2001 at Gehrke Econ, Managing Partner since 2014
- Advising on tax structures
- Real estate tax law
- Corporate and tax restructurings
- Tax due diligence / Tax compliance
- Compiling financial statements pursuant to commercial law and tax law