Experience shows that it is not the size of a digital agency to be determinant, but instead the engagement for customers. We make it simple for our new customers: get to know each other, test and evaluate.

For us, the most important tasks of an agency are the extensive customer support with a clear strategic orientation and concrete recommendations on how to proceed. In doing so, we are very strict with ourselves and want to set concrete targets.Therefore, a strong focus on results and return on investment are our driving force. This requires an optimised structure for costs for both parties without any ifs and buts.

Thanks to our large network of agencies, we have the advantage of working together with the best skilled experts in the field and the most important industrial partners in Europe. The use of flexible resources leads to an absolute scalability as well as to a high support level.

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Harald Grabner


Harald Grabner is the founder of the digital marketing agency 123CONSULTING. The latter belongs to the international agency network B2 Performance and is a partner of international agency networks. He completed his degree, Master in Advanced Studies for Executive Management, at the WU Vienna (Vienna University of Economics and Business). After his education, 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 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.

Thomas Apollonio

Our network of partner agencies.

In order to offer to our customers a complete package of services, we work together with a network of highly professional experts.



Professionals for efficient search engine marketing and target-oriented conversion optimisation.



Digital development agency providing Drupal services, UX design, Accessibility know how and communications expertise.

Sinngold Logo


Professional AdWords agency with a team of Google experts for an optimal customer-oriented digital strategy.

Think Tank Digital


Online marketing expertise combined with a digital common sense for automation, e-mail and dialogue marketing.

Hödl und Partner Logo


Creation of content with a real added value and high relevance for a target group in digital marketing.

b2performance logo


International technology and online marketing agency with offices in the DACH region as well as in Spain.

We have strong partners
on our side.

Special results require special partners. We work exclusively with the most renowned ones.

Searchmetrics Logo


Worldwide leader for SEO-Platforms for search and content performance. For the best possible search experience.

Redhot Logo


Digital media planning with a long-standing experience in the field with particular focus on storming, norming and performing.

adverserve logo


Strategic partner in the area of ad technologies, programmatic marketing and data management.

emarsys logo


Leading provider of cloud-based automation marketing technology for dynamic and individual customer dialogue.

facelift logo


Europe’s leading supplier of social media marketing technologies for professional editing, presentation and publishing.

ubermetrics logo


Leading supplier of media and analysis software for data monitoring in online, print, tv and radio sources.