2022 IFLR 1000 (32nd Edition) - "He is a truly exceptional lawyer. His technical skills are rivalled only by his ability to communicate. He is able to drive a transaction forward and manage his team in a manner that keeps everyone motivated and focused. This translates to an excellent service and an unparalleled buying experience. The service he delivers is second to none and he remains an absolute pleasure to deal with – even under extreme pressure."
2021 IFLR 1000 (31st Edition) - Highly Regarded - "Very experienced and knowledgeable. Provides excellent advice and customer service and has built a very strong team around him."
"Brendan is particularly strong advising on corporate matters within the FS space. His team has a strong and growing reputation."
2021 Legal 500 - Next Generation Partner and Recommended Lawyer (Commercial, corporate and M&A) - "Brendan O’Brien is very experienced and pragmatic in all dealings. He knows the Irish market very well and has excellent contacts."
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'."