About CSSi

CSSi was founded in 2005 and has become a major global, full-service patient recruitment company. A leader in the industry, CSSi delivers strategic patient recruitment, enrollment and retention solutions to study sponsors and CROs.

With over 15 years of clinical trial experience in over 40 countries, CSSi has strategically planned and executed recruitment campaigns in more than 30 therapeutic areas. Our in-house team provides expertise on all aspects of recruitment and retention: creative development, traditional and digital media advertising, patient retention support programs, national and local outreach, medical professional networking, and information technology solutions.

CSSi Mission Statement

Mission Statement

CSSi's mission is to exceed our customers' expectations by providing innovative solutions and outstanding services.

Corporate Structure

Support Through Every Phase Of the Drug Development Cycle



The three divisions:

CSSi Life Sciences

CSSi LifeSciences is a trusted partner from discovery to commercialization for developing drugs and devices. Faster, more informed decision-making ensures a successful and expeditious pathway to commercial success.

CLICK HERE to learn how CSSi LifeSciences can successfully bring your drug or device to market.

CSSi Enroll - Patient Recruitment

CSSi provides global patient recruitment and retention planning by addressing the key factors in a successful enrollment campaign: the right strategy for the protocol and the right tools to complete enrollment on time and on budget.

Nexus Informatics

Nexus Informatics provides innovative technology for manufacturers, specialty pharmacies and hub providers. Its centralized approach and comprehensive set of services as well as its deep expertise in patient support continues to challenge the traditional patient access hub model. In their model, all patient support services and programs converge and clients have a vision into patient touchpoints throughout the patient pathway.

CLICK HERE to learn how to take control of converging your data with Nexus Informatics.