CONSULTATIO is an Austrian tax, audit and business advisory firm founded in 1970, with its main office in Vienna and five locations across Europe. With more than 150 employees, it serves clients ranging from freelancers and start-ups to large corporations, public bodies, non-profit organisations and private foundations. The firm is a member of Nexia, an international network of independent accounting and consulting firms active in 119 countries.

CONSULTATIO provides tax advice for national and international matters, statutory and other audit services, and business consulting covering transactions, valuations and organisational change. Its additional services include ESG and sustainability support, bookkeeping, payroll processing, IT services and risk advisory, including help designing and implementing systems. The firm also offers start-up consulting and works with clients across sectors such as construction and real estate, healthcare, trade, manufacturing, transport, tourism and professional services. CONSULTATIO highlights practical, proactive advice, digital solutions and long-term client relationships, supported by decades of experience.