Who We Are

We step in where clarity is lacking. Where projects stall. Where ambiguity blocks action. Also, where modern data and AI approaches are not being used effectively.

cross advisors stands for moments when execution matters more than concepts – delivering rapid implementation and sustainable results. 

  • We take ownership and lead from problem to solution. 
  • We stay until operations run stably – not just until the presentation is finished. 
  • We leverage more than 30 years of international experience in critical situations. 
  • We apply modern technologies pragmatically, where they create measurable business value. 

Our Approach

Pragmatic. Transparent. Implementation-strong.

Hands-on from day one. Focused on the 20% that drive 80% of impact. Built on experience from more than 200 projects across diverse industries. Always open to new possibilities – from S/4HANA and cloud architectures to AI-supported automation – applied where they create real value. 

Innovation with Groundedness

We observe closely how AI-enabled services are changing automation, offer creation, and order processing. Rigid rulesets give way to adaptive systems. Heavy maintenance of outdated variant configurations is replaced by services enablement. 

Requirements differ. While businesses prioritize speed and scalability, public-sector organizations demand transparency, traceability, and legal certainty. 

Our principle is clear: technology is applied where it delivers sustainable, future-proof benefits, never for the sake of hype.  

Impact Means Becoming Obsolete

Effective consulting makes itself obsolete. Because the solution works. And because the organization is left capable, confident, and in control. 

Our Team

Karl-Heinz Sprenger

Founder and CEO

Markus Schilter

Junior Partner

Marvin Lehmann

Equity Partner

Independent Partners

Barbara R. Siegenthaler

Interim Manager & Consultant | General Counsel
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