Consistently listed as a leading tax Barrister in both the Legal 500 by reference to recommendation for international corporate tax, and Chambers' Guide to the Legal Profession by reference to international transactions and tax disputes relating to international treaties and EU law as well as particular expertise in transfer pricing and listed in the International Who's Who of Corporate Tax Lawyers.
"Jonathan is highly regarded for his expertise in international tax matters. His particular areas of expertise include double tax relief, tax treaties, transfer pricing and cross-border transactions."
Chambers & Partners 2023
'He is excellent and always goes the extra mile for clients.'
Legal 500 2023
One of the world's leading practitioners
Who's Who Legal: UK Bar 2022 2023
Highly Regarded in Tax controversy and World Transfer Pricing
ITR World Tax, 2023
"Jonathan is extremely thorough and approaches tax issues in a structured and principles-based manner." "A guru on matters of international tax law."
Chambers & Partners 2022
"....incredibly knowledgeable on international taxation. I find that he knows the area inside out and is quick to provide an opinion."
Legal 500 UK Bar 2022: Tax and Private Client
"...a leading expert in international tax matters (he literally wrote the book) and has an encyclopaedic knowledge of tax treaties."
Legal 500 UK Bar 2022: Tax and Private Client
“Jonathan Schwarz stands out for international tax”
“Has exceptional knowledge and expertise in international tax and treaty issues. He always provides a thoughtful and balanced approach to difficult and complex issues – often providing truly novel solutions.”
Legal 500, 2021, Tax: corporate
‘Jonathan’s advice is clear and practical. Jonathan is a client-friendly and reliable barrister.’
Legal 500, 2021, Private client: personal tax
“Highly regarded for his expertise in international tax matters.” "He is very thorough, knows his stuff and is easy to work with." "He is good at explaining complex issues."
Chambers & Partners UK bar 2020
“The leading advisor on international tax treaty issues.”
Legal 500, UK Bar 2019
“an expert in tax litigation, known for his adept handling of complex cross-border and international tax disputes.” Who’s Who
Legal UK Bar 2019
“Highly regarded for his expertise in international tax matters.” "Excellent cross-border advice."
Chambers UK Bar 2018
“Lauded for brilliant handling of cross-border tax problems.”
Who's Who Legal UK Bar 2016
"He's client-friendly and works hard, and is clearly amongst the best international tax barristers at the moment."
Chambers Guide to the Legal Profession 2015
"A highly skilled technician with an extremely broad international perspective."
Legal 500 2015
“Accessible, and very good on cross-border tax disputes.” “Intensely thorough and takes time to go through the detailed history of facts for each case.”
Legal 500 2014
"A real expert" and "a go-to person for international tax disputes."
Legal 500 2013
"One of the few barristers who has a deep knowledge of international tax treaty issues" and "can be relied upon to provide quick feedback on the law." He is noted for his "timely delivery of quality advice."
Chambers Guide to the Legal Profession 2013
Commended for "encyclopaedic knowledge of double tax treaties" and “open minded in his attitude to his work.”
Chambers Guide to the Legal Profession 2011
Jonathan Schwarz receives global recognition. “Always thinking one step ahead”. Described by many as “one of the industry’s finest”.
Who’s Who 2010
"International tax specialist Jonathan Schwarz has a fantastic, clear quality of mind and is totally on top of his subject".
Legal 500 2008
"He is called upon by instructing solicitors for international tax advice", and is considered to be “always at the forefront of new developments in the tax world.”
Chambers & Partners 2009
“Jonathan Schwarz stands out for particular praise from clients” and in 2007 that “Jonathan Schwarz is a client favourite, particularly for international transactions.”