Helen assists the team’s senior clerk, managing the work of the immigration practitioners, agreeing fees and maintaining the teams’ diaries.
“The clerking team at Garden Court is excellent. In particular, Lisa O’Leary stands out as consistently helpful, efficient, and accommodating. She ensures a smooth administrative experience and is always available to assist.
“The clerks are excellent, Helen Louise D\’Agostino and Harriet Massie are particularly responsive and always able to assist.” – Legal 500, 2026
‘The clerks at Garden Court are some of the most efficient and friendliest clerks I have had the pleasure of dealing with over the years.’- Legal 500, 2026
“Garden Court Chambers are a leading immigration law practice. They have barristers with a wide breadth and depth of knowledge in this area, with a professional and responsive clerking team.”- Legal 500, 2026
“Garden Court Chambers is well-organised and supportive. Communication was smooth and timely throughout. The clerking team were responsive and helpful.”- Legal 500, 2026
“The clerks are approachable and responsive, which makes the process of instructing counsel smooth and reliable. This high level of professional support reflects the chambers’ strong infrastructure and commitment to client-focused service.”- Legal 500, 2026
“Garden Court Chambers remains a powerhouse in the field of immigration and public law. The clerking team is efficient and helpful, and the set continues to produce consistently high-quality barristers.”- Legal 500, 2026
“Garden Court Chambers is probably the best chambers in the field – a wealth of barristers to choose from and and efficient and approachable clerking team.”- Legal 500, 2026
“The clerks are excellent, Helen Louise D’Agostino and Harriet Massie are particularly responsive and always able to assist.” Legal 500, 2025
‘The clerks service is always helpful and excellent. Helen-Louise D’Agostino and Harriet Massie have particularly stood out this year.” Legal 500, 2024
“Lisa, Helen-Louise and Harriet are wonderfully responsive and make it their mission to provide the absolute best service to their professional and lay clients.” Chambers & Partners, 2023
“The clerks are unwavering in their willingness to assist instructing solicitors. Harriet Massie and Helen D’Agostino are powerhouses – they understand the role, yet they exceed even the expectations of the most demanding solicitors.” Legal 500, 2023
“Helen-Louise D’Agostino always sorts out anything needed in the blink of an eye” Legal 500 Bar Guide
“Always a pleasure to work with.” Legal 500, 2022
Background
Helen joined Garden Court Chambers in January 2014, bringing with her clerking experience from 33 Bedford Row, 36 Bedford Row and 11 Stone Buildings.
