Thorough investigation.
Rigorous evaluation.
Clear communication.

Osborne Partners, a Delta Consulting Group Company, specialises in complex business and legal challenges. From regulation to litigation and business valuation, we deal with some of the most demanding multi-billion-dollar issues in the world. 

Who we are

Our experts are experienced testifiers who work hands-on throughout each case, often in multi-partner teams. Our team is known for rigorous economic and financial analysis, an original thinking style and the quality of our written reports.

500
+

total cases to date

50
+

people across four key regions

14
th

on the Global Arbitration Review 100 Expert Witness Power Index

130
+

arbitrators before whom we've testified

Our work

We combine deep technical expertise with hands-on partner involvement and a global team to help clients navigate complex challenges. Every case is different, but we apply a consistent approach: investigate thoroughly, evaluate rigorously and communicate with clarity.

Get expert insight on your most complex commercial challenges.

Click below to start the conversation with our team.

Contact us