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AIOS Group

1 Hero-Image (gespiegelt)

Company Profile

For more than 20 years, we have been providing highly qualified services in auditing, tax advisory and consulting to a wide range clients.

Quality and stability are at the core of our independent and ownermanaged group of companies. The AIOS group is comprised of:

  • AIOS GmbH Wirtschaftsprüfungs- & Steuerberatungsgesellschaft,
  • AIOS Tax AG Steuerberatungsgesellschaft and
  • AIOS Consulting GmbH.

With more than 50 employees, we provide professional services across all German and English speaking areas of Europe. AIOS is headquarted in Berlin and operates a further location in Munich.

Specialized Teams

We prefer to work in small teams with a high level of professional specialization. Whenever required, additional AIOS consultants or external experts complement the specilist team. Follwing this multi-boutique approach with agile and experienced teams of specialists, we strive to provide faster execution of services at excellent quality.

We do not rely on up-to-date expertise or experience alone, but consistently apply our own methods to ensure quality standards are met at all times.

Results that matter

We place great importance on defining measurable project goals for our work and achieving utilizable results for our clients.

3 Audit

An overview of our services


Our auditing services focus on efficient annual and consolidated audits of medium-sized corporations up to large groups of companies, including public
sector enterprises.In addition, AIOS performs auditing tasks on special occasions.

4 Tax


Our tax advisors and qualified staff handle the preparation of financial statements, tax declaration, consulting tasks and accounting for young, fast growing companies as well as medium-sized businesses and demanding freelancers. Our experts are further entrusted with ambitious tasks in tax structuring and relief for larger corporations and groups of companies.

5.5 IT-Consulting


Our experienced and agile teams of specialists consult clients on: