about our company

As a trusted partner, we combine local expertise with international strength. With headquarters in Luxembourg and a presence in six European countries, we offer you tailor-made solutions for every phase of your business.

Our long-standing expertise

Since 2006, we have been supporting international holding companies, financial investors, and corporations across various industries. Over nearly two decades, we have developed an in-depth understanding of complex international requirements, enabling us to act with foresight. Our strength: combining local know-how with an international perspective to meet your specific needs.

What truly sets us apart? Our independence.

We are an independent, owner-managed company that operates free from external investor pressure. This enables us to focus entirely on your success—with highly qualified teams ensuring expert support at every step. Our passion is the continuous pursuit of excellence. By your side, we unlock potential and achieve shared success—because at AVEGA, we are not just your service provider, but your partner on the path to lasting results.

our principles

independent

As an owner-managed company, we work free from external investor pressure and can focus entirely on your needs. This independence enables us to act flexibly and stakeholder-oriented – with a genuine focus on long-term relationships.

manager-owned

stakeholder-focused

client-driven

local experts

We understand that every market has its own requirements and deliberately rely on local expertise on the ground. By integrating our global perspective with local insights, we are able to effectively address and meet your unique requirements.

market-savvy

international-minded

client-focused

bespoke solutions

We act flexibly, quickly and reliably – adaptable to your individual requirements. In doing so, we take responsibility and consistently deliver high-quality, transparent services.

adaptive

responsive

reliable

transparent

together

We focus on collaboration across all levels and build personal, trusting relationships. This respectful partnership enables mutual growth and lasting success.

collaborative

trustworthy

relationship-focused

performance

Our focus is on measurable, holistic performance through agile working methods and the highest quality standards. We understand success as a collective effort of all stakeholders – with the goal of providing comprehensive services.

agile

proactive

excellent

efficient

our services

We offer you well-founded expertise for your lasting success – whether in the areas of corporate administration, fund administration and management, or tax services.

Our numbers

7 locations

250 + employees

1403 founded organizations

25 bn. assets under management

19 years of experience

our experts

Luxembourg

Corporate Services

  • Stefan Ruppert

    Managing Partner
    Expert-Comptable

    your expert for credit & securitization

    • Real Assets
    • Private Equity
    • Private Debt

    With a solid foundation in the financial services sector over two decades, Stefan has become a distinguished business leader with a focus on corporate governance, client relationship management and fund administration services within the corporate and private capital space.

  • Thomas Weber

    Managing Partner

    your expert for private equity & infrastructure

  • Thomas Probst

    Managing Partner

    your expert for real estate & private equity

Fund Solutions

  • Oliver Collmann

    Partner

    your expert for fund administration

    • Réviseur d'Entreprises 
    • Chartered Accountant 
    • Alternative Investment Experience
    • Regulatory Expertise
    • Financial Markets

    Oliver is a Partner at Avega Fund Services S.à r.l. (AFS) and serves as a Board Member, Conducting Officer and RC. Prior to joining AFS, he held the position of Associate Partner at KPMG Luxembourg.

    Oliver holds the qualification of Réviseur d’Entreprises (Luxembourg), and Chartered Accountant (UK). He has extensive experience servicing a diverse portfolio of multinational clients within the Alternative Investment sector, bringing over 17 years of specialized expertise to the firm.

  • Frederik Stein

    Partner

    your expert for fund administration

    • Fund Administration
    • Regulatory Expertise
    • Alternative Funds
    • Financial Markets 

    Frederik serves as a Partner at AVEGA Fund Services S.à r.l., where he is a Board Member and Conducting Officer based in Luxembourg. He is responsible for driving operational effectiveness across AFS’s fund administration activities – designing robust processes, strengthening controls, and embedding a KPI-led continuous improvement culture. Frederik also sponsors technical solutions, aligning platform strategy, workflow automation, and data architecture to enhance scalability, transparency, and client reporting. He keeps client quality at the heart of his work, making sure services are consistent, governance is strong, and relationships are managed proactively to deliver dependable results for alternative investment fund clients.

    Prior to joining AFS, Frederik held various roles within fund administrators of alternative funds, building a deep understanding of operating models and regulatory expectations while leading teams through transformation and growth. He integrates people, process, and technology to achieve measurable results and sustain quality at scale.

  • Jens Eisenbart

    Partner

    your expert for AIFM-Services

    • Alternative Investments
    • Investment Management
    • Regulatory Expertise
    • Structuring
    • Financial Markets

    Jens is a Partner at AVEGA Fund Services S.à r.l. (AFS), leading the operational management and strategic growth of the firm’s AIFM services division. With more than 18 years of experience in Luxembourg’s fund and investment management industry, he combines deep regulatory expertise with a proven track record in building efficient operating platforms.

    His career is marked by shaping scalable operating models and driving organizational growth while ensuring robust governance and risk management frameworks. Jens is recognized for his client-centric approach, and commitment to operational excellence. He continuously fosters collaboration and high-performing teams to deliver sustainable value to clients and stakeholders.

Tax Compliance

Amsterdam

Corporate Services

  • Stefan Ruppert

    Managing Partner
    Expert-Comptable

    your expert for credit & securitization

    • Real Assets
    • Private Equity
    • Private Debt

    With a solid foundation in the financial services sector over two decades, Stefan has become a distinguished business leader with a focus on corporate governance, client relationship management and fund administration services within the corporate and private capital space.

  • Thomas Weber

    Managing Partner

    your expert for private equity & infrastructure

  • Thomas Probst

    Managing Partner

    your expert for real estate & private equity

better together

Reach out today and benefit from our global expertise that drives your business forward.

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