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Team

Our committed staff comprises a team of more than 30 employees. The combination of substantiated theoretical knowledge and extensive practical experience forms the basis for competent advisory services. Our team leaders are therefore tax advisors who already have many years of audit and tax advisory experience under their belts. Many of our specialists have completed degrees in business administration.

Our employees stay current with the most recent legislative and legal developments through continuing education and training.

Matthias Bald

Matthias Bald

Diplom-Kaufmann
Bachelor of Science (computer science)
Tax advisor

CONCEPTAX Siekmann, Janell und Partner mbB Hellerweg 28 32052 Herford Germany
Michael Blöbaum

Michael Blöbaum

Diplom-Wirtschaftsjurist (FH)
Auditor
Tax advisor

CONCEPTAX Siekmann, Janell und Partner mbB Hellerweg 28 32052 Herford Germany
Erika Brinkmann

Erika Brinkmann

Diplom-Kauffrau
Tax advisor

CONCEPTAX Siekmann, Janell und Partner mbB Hellerweg 28 32052 Herford Germany
Katrin Bultmann

Katrin Bultmann

Diplom-Kauffrau
Tax advisor

CONCEPTAX Siekmann, Janell und Partner mbB Hellerweg 28 32052 Herford Germany
Peter Großekathöfer

Peter Großekathöfer

Diplom-Betriebswirt (FH)
Auditor
Tax advisor

CONCEPTAX Siekmann, Janell und Partner mbB Hellerweg 28 32052 Herford Germany
Dovile Kröker

Dovile Kröker

Bachelor of Laws
Tax advisor

CONCEPTAX Siekmann, Janell und Partner mbB Hellerweg 28 32052 Herford Germany
Christine Pörtner

Christine Pörtner

Master of Arts (International Business Studies)
Tax advisor

CONCEPTAX Siekmann, Janell und Partner mbB Hellerweg 28 32052 Herford Germany
Michael Wilmsmann

Michael Wilmsmann

Diplom-Kaufmann
Tax advisor

CONCEPTAX Siekmann, Janell und Partner mbB Hellerweg 28 32052 Herford Germany
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