与 Costello 一起工作非常愉快，他们总是以客户为中心，高效地提供医学和卫生经济学领域的高质量服务。他们兼有英语和中文的能力，更好地满足了中国市场的需要！

— 卫生经济学与结果研究顾问，辉瑞中国

Costello 总能让我们的工作变得更容易，他们具有非常优质的医学项目服务，包括协助准备教育论坛的内容和文章的撰写等，同时也有很强的项目管理能力和良好的沟通能力，每次活动都给我们留下深刻印象 。另外他们在保证质量的同时还非常高效，从来不用担心是否能按时完成。

— 医学部经理，HIV，吉利德中国

Costello Medical makes my life simple… "the best of the best" with respect to efficiency, effectiveness, and ease of interaction. Importantly, they are so efficient: my administrative assistant never has to harangue them!

— Dr Edward C. Keystone, MD, FRCP(C), Professor of Medicine, University of Toronto, Canada

Sophie and her team are a pleasure to work with. I am consistently impressed by the outstanding quality of their deliverables, their level of professionalism and unbeatable value for money. I look forward to many years of successful collaboration.

— Global Market Access Manager, Norgine Pharmaceuticals Limited