Baertschi Consulting is an Indianapolis-area consulting firm specializing in providing solutions to the most difficult impurity, stability, and formulation issues. We work with small to large companies across the globe, from pre-clinical to post-registration phases.

Providing Consulting Services related to:

  • Design, Execution and Interpretation of Stress Testing
  • Chemical, Physical, & Environmental Stability
  • Chemical, Physical, & Environmental Degradation
  • Photostability / Photochemistry
  • Analytical and [Mutagenic] Impurity Control Strategies
  • Analytical Method Development
  • Formulation Design and Stabilization
  • Scientific Staff Development
  • Global Regulatory Submissions and Issues
  • Quality-by-Design
  • Legal / Expert Witness / Patent Disputes

NEW Expanded Services!

  • Solid State Characterization / Form Control
  • Salt and Polymorph Selection
  • Disproportionation
  • Method Validation and Transfer
  • Specification Development
  • CRO Strategies and Management
  • Peptide and Protein Therapeutics
Pharmaceutical Stress Testing Book 1
Pharmaceutical Stress Testing Book 2

Newest Team Member

Greg Stephenson is the President of PharmaFormFinders (  He offers services ranging from oversight of the screening for the optimal form for your API or pharmaceutical product by searching its “solid-form landscape” for physical forms by screening for salts, co-crystals, and amorphous forms.  Services also include… READ MORE

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All Things Stability