Steuerberater, Dipl.-Ökonom, Dipl.-Kaufmann
Certified Specialist in Wealth, Financial Planning & Business Succession
Stephan Kleine-Birkenheuer
Comprehensive advisory services – for me, this means taking the time to truly understand your business and working with you to shape its future plans and financial goals. Tax matters are always embedded within a broader strategic and entrepreneurial framework.
Looking ahead together is a cornerstone of my approach, as it allows us to uncover opportunities and create tailored strategies. My 14 years of experience outside of tax consulting – in Controlling & Finance, M&A, Auditing, and Business Development & Organization – have given me a unique, cross-industry perspective that I bring to every client relationship.
I also provide dedicated support in business formation and succession, financial management, and building wealth through real estate and capital investments.
Steuerberaterin, Bachelor of Arts (FH)
Certified Specialist in International Tax Law and Business Succession
Olesya Subbotina
As an experienced tax advisor, I provide expert guidance and tailored solutions for all your tax needs. With a wealth of experience and a strong focus on digital transformation in tax consulting, I am here to support you – whether in person or online.
At our firm, I lead the implementation and optimization of digital processes to deliver efficient, client-focused service. As a Certified Specialist in International Tax Law and Business Succession, I bring the expertise needed to navigate even the most complex tax challenges.
Your satisfaction is my highest priority. With passion and dedication, I work to ensure your tax matters are handled with care and precision. Whether in a personal meeting or through digital platforms like Zoom, Teams, or Skype – I’m here to provide you with personalized advice.
ABOUT US
Our Team
We are a young, energetic team driven by teamwork and commitment. Shared activities foster a strong sense of belonging and create a positive, motivating work environment. With passion and expertise, we stand by our clients – come meet us and experience the difference!
With 13 dedicated professionals and several trainees, our offices in Düsseldorf and Haan combine the skills of seasoned tax clerks and payroll specialists – some of whom have been part of our team for more than 20 years – with the energy of new talent. This unique mix guarantees you well-rounded, client-focused support.
From bookkeeping and annual financial statements to payroll processing, our versatile team of experts covers the full spectrum of services to meet your needs.






