Rainer Kollmann

About Rainer

Mr. Kollmann is an associate at Esquire Group. He has a double Masters of Science in International Management and is an Enrolled Agent (EA) authorized to practice before the Internal Revenue Service (IRS). 

He primarily deals within the realm of US taxation but specializes on international taxation. Having resided in Austria, Germany, Singapore, Indonesia and the US, Mr. Kollmann is familiar with the issues expats face. Mr. Kollmann is fluent in English and German.

Areas of practice

  • Tax Planning
  • Other Consultancy


International Tax

I can help with

Esquire Group is an international tax advisory firm that specializes in tax planning and compliance for clients with a global presence. We work with American individuals and businesses investing or doing business overseas (outbound) as well as foreign individuals and businesses investing or doing business in the US (inbound).

Education / Training

Enrolled Agent, authorized to practice in front of the IRS
MSc. International Management, CEMS & National University of Economics 
MSc. International Magement, Vienna University of Business and Economics
BSc. Engineering & Management, Jacobs University Bremen