Services

From data to AI Agents - and always the right experts for your IT initiatives.

We combine consulting on Data Platforms & Agentic AI with flexible staffing – delivering the right experts to immediately strengthen your team.

Advisory Data Platforms

  • Enterprise Data Warehouse
  • Cloud Transformation
  • Data Lakehouse Architecture
  • 2nd Opinion
  • Data Strategy
  • Maturity Assessment
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Agentic AI Solutions

We design and implement Agentic AI solutions that autonomously perform routine tasks, seamlessly connect data, and accelerate decision-making. At Callista, we don’t just theorize about Agentic AI — we implement it. Our delivery model helps you go from initial idea to real-world results using a proven, iterative approach.

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On Demand Staffing

Our experts serve as an extended workbench or drive innovation as part of a team or as individual contributors - whatever is the right support for our clients. We are also here to cover temporary peaks or bridge bottlenecks.

Data warehouse
Data Lakehouse
Agentic AI
Software Engineering
CRM & Collaboration
Cloud Platform Engineering
Security & IAM

Why Callista

  • Over 10 years of experience in building enterprise data platforms and workflow solutions — the ideal foundation for Agentic AI.
  • A network of 150+ IT professionals at your fingertips.
  • Direct access to our executive leadership — enabling fast decisions, personal commitment, and long-term accountability.

What our Clients are saying

“Callista is one of our trusted partners to build a modern workplace based on latest technology."
Christian Autschbach
Head Modern Workplace
“Callista is our trusted partner guiding and enabling us towards a future proof platform.”
Jannik Mersch
Head Data Compliance
“We are very satisfied with Callista. In addition to their high level of technical expertise, the software developers are characterized by their solution-oriented approach. They were able to integrate into the team quickly and thus provide productive benefits within a short time to relieve our internal staff as needed.”
Patrick Kaufmann
Head Software Engineering