We are 123Consulting
Experience shows that it is not the size of a digital agency to be decisive, but the commitment to the customer and an understanding of delicate digital areas. We offer the right toolkit tailored to the individual needs and a strong impact.
The management
Harald Grabner
Harald Grabner is the founder and owner of the digital consulting agency 123CONSULTING, which is also partner of the international community of agencies. After completing his degree, Master in Advanced Studies for Executive Management, at the WU Vienna (Vienna University of Economics and Business), he began his professional career as Head of Marketing at international companies. Competence and a great understanding of the needs of the client are attributes characterising the work of 123CONSULTING.
Thomas Apollonio
Thomas Apollonio is partner of 123CONSULTING and founder of THINK TANK DIGITAL. He studied Journalism and Media Management at the FH Vienna (Fachhochschule for Management and Communication). After his education, Thomas Apollonio acquired his skills as web and digital expert at large Austrian companies as well as in his role as Digital Senior Account in international agencies. He distinguishes himself because of his digital know-how in the area of digital transformation of companies.
The team
The “we” made of specialists
Our partners
In order to be able to offer our customers a complete package, we collaborate with a highly professional network of specialists.
ZANDER DIGITAL
Professionals for effective search engine marketing and target-oriented conversion optimisation.
DOTSANDLINES
Design agency from Vienna. Partner for conception, user experience design, screen design, graphic design, videos and branding.
SINNGOLD
Professional AdWords agency with Google experts for an optimal customer-oriented digital strategy.
SLOPELIFT
Performance Marketing agency in DACH and CEE. Certified partner of Google and Bing with DoubleClick licence.
TRUSTBIT
Software development company from Vienna with a strong focus on digitalization of companies. Europe’s leading specialists in AI-topics.
ADVERSERVE
Europe’s leading provider of ad technologies and digital advertising. Partner for digital concepts for programmatic marketing and data management.
Partners and certificates
Know-how and further development are for us among the most important features of a consulting agency just as working closely with providers of solutions.