2020 Legal 500 - Next Generation Partner and Recommended Lawyer (Commercial, Corporate and M&A) - ‘Brendan O’Brien is a real rising star. His all-round knowledge and commercial acumen are truly impressive.’
2020 IFLR 1000 - Leading Lawyer and Highly Regarded
2019 Legal 500 - Recommended Lawyer - 'Excellent practitioner and adviser'
2019 IFLR 1000- Highly Regarded:
"Brendan O'Brien provides a fantastic service. He is responsive and commercial. A pleasure to deal with."
2018 Legal 500 - Recommended Lawyer: "Brendan O’Brien stands out for his ‘professionalism and business acumen’."
2018 IFLR 1000 - Rising Star:
- “Extremely professional. Superb contract and industry knowledge and very committed.”
- “Really professional and always accessible. Has really good attention to detail and is very commercial.”
- “Extremely professional, friendly and straightforward to deal with.”
2017 Legal 500 - Recommended Lawyer: "Brendan O'Brien is a 'consummate professional'."