Support you Deserve

We are a leading independent tax and business advisory services firm specializing in international tax consulting, transfer pricing, valuation and tax process innovation.

We operate throughout North America and cover over fifty countries through strategic alliances with firms across the globe.

Accomplished Professionals

Our team of highly-experienced professionals consists of former Big 4 tax specialists, economists, attorneys, CPAs and MBAs, each with decades of experience delivering tax, transfer pricing, valuation and tax innovation services.

Our senior professionals are directly engaged in the work we deliver to our clients - unlike many large firms that employ a “leverage model” relying on less experienced personnel to do most of the work.

Delivering Value to Our Clients

Our clients include private and public companies ranging from emerging businesses to Fortune 50 companies. They include U.S. and non-U.S. based multinationals operating in a wide array of industries, including industrial manufacturing and distribution, aerospace, food processing and distribution, agriculture, medical products manufacturing and distribution and financial services.

Our clients seek responsive, collaborative professionals who deliver services efficiently and cost effectively. We willingly share our knowledge and insights to help our clients understand the technical issues and enhance their ability to make informed, strategic decisions with confidence.

Kash Mansori, Ph.D.

Managing Director, Transfer Pricing and Valuation Services

+1 (866) 298-7829 Ext. 709


Kash has more than 15 years' experience working as an economist with a particular focus on transfer pricing. He has provided expert advice on a range of economic issues and has developed transfer pricing policies, analyses, documentation, and successful audit and tax controversy defense for scores of clients in the United States and abroad. Kash is an author of academic research papers on transfer pricing and other international economic issues.

Prior to joining WTP Advisors, Kash provided transfer pricing consulting services for Ernst & Young and Experis Finance, one of the Manpower Group family of companies. These positions followed his academic career, where he served as an economics professor at Colby College and researched international trade and finance in both the United States and Europe.

Kash has been named by Euromoney / Legal Media as one of the leading and most respected transfer pricing advisors in the world.


Education and Certifications

  • Ph.D. in Economics, Princeton University
  • BA in Economics and History, Wesleyan University


Accolades, Publications, and Speaking Engagements

  • Cited as a transfer pricing authority in publications such as Compliance Week and Transfer Pricing Week
  • Writes on subjects related to international trade, capital markets, and international finance for publications such as: The New Republic, Business Insider, Seeking Alpha, and the Wall Street Journal online
  • Presents on transfer pricing and valuation methods, regulatory developments, and current best practices for continuing education programs and workshops

What Others Say

"...strong technical expertise, yet they are innovative and always bringing us new insights."

"...great team players, good friends and we trust them...that's big for us."

"...very genuine, very focused and look beyond the politics and conflicts...that's a rare thing these days."

"...good communicators and they built a strong rapport, early on."

"It's rare to find a team that always looks at the bigger picture, what's best for the client and the relationship...and WTP is truly of that mindset."