Oncology Services (OS) is a leading internationally operating CRO with unmatched expertise and extensive experience in oncology drug development and study management. OS provides end to end solutions for drug development including services of Phase I to IV, regulatory affairs, consulting for drug development, medical writing, Data management and statistics, Quality assurance and pharmacovigilance.Quality and client satisfaction being the cornerstones of our organization, we take great pride in being retained by our clientele and awarded with repeat business.An extensive industry network allows us to review opportunities, avoid pitfalls and be aware of the latest clinical and therapeutic trends to allow positioning and competitive advantages, thus defining the strategy for the development phase.More clients involve us from early design phase of their drug development programs relying on the outstanding expertise of our senior management and team.We are a united team led by experienced managers who know corporate matters from their in-depth industry experience. We understand the special requirements of our clients' business and are familiar with the pressure that comes with the responsibilities that need to be met.We have expertise, experience and skills to offer workable solutions and to implement them.