CSS was founded in 2005 and has become a major global, full-service patient recruitment company. A leader in the industry, CSS 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.
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The CSSi annual revenue was $7 million in 2026.
Chris Trizna is the President of CSSi.
39 people are employed at CSSi.
CSSi is based in Linthicum, Maryland.
The NAICS codes for CSSi are [32, 325, 3254].
The SIC codes for CSSi are [283, 28, 80].