Insights

Global Recruitment CSS has extensive international experience across 40 countries and 30+ therapeutic areas, signaling a strong capability to scale patient recruitment programs for sponsors and CROs with global trial footprints.

Full‑Service Solutions With in-house expertise spanning creative development, media advertising (traditional and digital), retention programs, medical professional networking, and IT solutions, CSS offers end‑to‑end recruitment and retention support that can reduce vendor fragmentation for potential clients.

Tech Leverage Utilization of platforms such as LinkedIn Ads, AWS, WordPress, and Stripe indicates a modern marketing and operations stack, presenting opportunities to upsell advanced digital recruitment tactics, analytics, and scalable hosting for trial campaigns.

Mid‑Market Growth Current revenue range and mid‑size employee base position CSS as an attractive partner for mid‑to‑large sponsors and CROs seeking agile, cost‑effective enrollment expertise without the overhead of large mega‑agencies.

Partnership Readiness Recent market activity in the private equity/GAAP space (news about Bain Capital affiliates) suggests potential for strategic growth, cross‑selling of enrollment services to portfolio companies or co‑investment partnerships seeking to streamline trial recruitment.

Similar companies to CSS

LeapPoint, an Omnicom Precision Marketing Company
44$50M - $100M
Cognosante
804$500M - $1B
Attain
215$100M - $250M
Pretech Corporation
36$10M - $25M
Venture
147$100M - $250M
Syneos Health
24K$10B+
STG International
25$1M - $10M
Sentinel Technologies
809$500M - $1B
HealthITq
8$1M - $10M
Technology Partners
264$500M - $1B

CSS Tech Stack

CSS uses 8 technology products and services including LinkedIn Ads, Amazon Web Services, RSS, and more. Explore CSS's tech stack below.

LinkedIn Ads
Advertising
Amazon Web Services
Cloud Hosting
RSS
Content Management System
WordPress
Content Management System
Osano
Cookie Compliance
Microsoft 365
Email
Stripe
Payment Processing
DigitalOcean Web Hosting
Web Hosting

Media & News

CSS's Email Address Formats

CSS uses at least 3 email formats:

CSS Email Formats	Example	Percentage
FLast@cssienroll.com	JDoe@cssienroll.com	90%
First.Last@cssienroll.com	John.Doe@cssienroll.com	5%
Last@cssienroll.com	Doe@cssienroll.com	5%

Frequently Asked Questions

What is CSS's phone number?

You can contact CSS's main corporate office by phone at

+1-415-317-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is CSS's stock symbol?

CSS is a publicly traded company; the company's stock symbol is BCSS.

What is CSS's official website and social media links?

CSS's official website is cssenroll.com and has social profiles on LinkedIn.

How much revenue does CSS generate?

As of August 2026, CSS's annual revenue is estimated to be $10M - $25M.

What is CSS's NAICS code?

CSS's NAICS code is 5417 - Scientific Research and Development Services.

How many employees does CSS have currently?

As of August 2026, CSS has approximately 265 employees across 6 continents, including North America, Africa and Asia. Key team members include Associate Director, Global Operations: G. G., Global Project Manager Ous | Global Line Manager Ous: A. D. and Construction Manager: S. A. Explore CSS's employee directory with LeadIQ.

What industry does CSS belong to?

CSS operates in the Research Services industry.

What technology does CSS use?

CSS's tech stack includes LinkedIn Ads, Amazon Web Services, RSS, WordPress, Osano, Microsoft 365, Stripe and DigitalOcean Web Hosting.

What is CSS's email format?

CSS's email format typically follows the pattern of FLast@cssienroll.com. Find more CSS email formats with LeadIQ.

When was CSS founded?

CSS was founded in 2005.

CSS

Q: What is CSS's official website and social media links?

CSS's official website is cssenroll.com. CSS has social profiles on LinkedIn.

Q: How many employees does CSS have currently?

CSS has approximately 265 employees.

Q: What technology does CSS use?

CSS's tech stack includes Swiper, Isotope, GoDaddy, Slim SEO, Google Analytics.

Q: What is CSS's NAICS code?

CSS's NAICS code is 5417 (Scientific Research and Development Services).

Research ServicesMaryland, United States201-500 Employees

CSS is a research services company that specializes in patient recruitment, enrollment, and retention solutions. Founded in 2005, CSS operates as a global, full-service provider delivering recruitment, enrollment, and retention services to study sponsors and contract research organizations. The company has over 15 years of clinical trial experience across more than 40 countries and has planned and executed recruitment campaigns in more than 30 therapeutic areas. Its in-house team offers expertise across all aspects of recruitment and retention, including creative development, traditional and digital media advertising, national and local outreach, medical professional networking, and information technology solutions. With 201 to 500 employees, CSS is located at 1099 Winterson Road, Suite 136, Linthicum, Maryland 21090, United States, and maintains a presence online at cssenroll.com.