We control their success

The individual care of our clients is the top priority of the firm AEC. It was founded by the auditors and tax consultants Mathias N. Eisele in 2005 and is now in the heart of Cologne resident. Previously, Mr. Eisele has worked in senior and executive function in international and medium-sized tax and economic audit firms.

As your companion and adviser, we place particular emphasis on a relationship of mutual trust and use for optimal consulting our in-depth expertise. Our service areas include all core areas of control and auditing law - and thanks to our cooperation with an international presence, we can support sound and abroad.

HIGHEST BERATUNGS quality for all

With the help of a dedicated team of highly competent professional staff, the firm AEC serves a wide spectrum of clients of all sizes and in virtually every area. Whether freelancers, entrepreneurs, workers, financial investors, property owners, small businesses, mid-sized or large companies: Each client enjoys the same scale to high-quality and personal advice.



Moreover Mathias N. Eisele his knowledge not only to its clients further: As a lecturer at the Fachhochschule Köln he holds since 2008 winter semester lectures in the Department of "Financial Accounting". 

Benefit from the professional cooperation. 

Call us at


AEC | Eisele Consulting Cologne

Telephone: +49 221 47 44 634 0 
FAX: +49 221 44 70 779 
E-mail: This e-mail address is being protected from spambots To display JavaScript must be turned on! Hohenstaufenring 43-45 | 50674 | Köln 
We are happy to advise you!
Your contact Person

Mathias Eisele

Mathias N. Eisele Dipl. – Kfm.
CPA Tax Consultant
Tel. 0221 – 47 44 634 0



We were awarded by the Manager Magazin as part of the exclusive study
as "Germany's best accountants for SMEs"

How to finde us
Hohenstaufenring 43 - 45
50674 Köln

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