Jeff Delle Fave has over 28 years of International Tax experience working in both public and corporate tax environments. Jeff was a National tax partner in the ITS Capital Markets practice of Ernst & Young LLP. He later left public accounting as Executive Vice President for a multibillion dollar life reinsurance group that he originally helped structure. Following the eventual sale of that enterprise to a private equity group, Jeff was Vice Chair of Tax and Mergers and Acquisitions Practice Lead for Experis Finance and later as Partner In-Charge of McGladrey LLP’s Florida International Tax Practice. Jeff focuses on bringing Big 4 International Tax Partner and In-House Corporate tax executive experience to client engagements on a value driven and cost-effective basis. Jeff also focuses on external consultant/auditor management and coordination to drive out unnecessary fees at his clients.

Our Mission

Experience You Can Trust Your Business With

We guarantee effective and knowledgeable representation for you and your business. Our reputation and history of success with our clients and their business needs speaks for itself. There's no substitution for the best.


02. Dedicated and Loyal Tax Consultants

The complex, important, and often ground-breaking international business matters on which we work can attract the best and brightest tax practitioners from around the world. And we've been lucky enough to collaborate with the best of the best in international tax law.


03. We Treat You and Your Business with Respect

Whether your business is looking to get started or it's in need of some negotiation skills, you can rest assured that we’re going to help you. We’re committed to providing you with top notch legal support and knowledge. We approach every client with a focus on integrity, advocacy, and understanding. 

About Us

I-Tax Advisors


International Tax Consulting firm helping your company find its way.

Comprehensive tax consulting support you and your company can trust.


Our tax consultants have a well-deserved reputation of excellence in providing smart, sensible, and cost-effective tax consulting and business solutions for our clients.


We serve a wide range of clientele, and every client relationship is valued greatly and treated with dignity and respect. Each engagement benefits from the depth and breadth of our expertise.

Managing Partner