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Cromsource.com: The Silent Giant in Clinical Trials
A $52M revenue CRO flying under the radar with 259 employees
In a world dominated by mega-CROs like IQVIA and LabCorp, a $52.1M revenue player with 259 employees is either a niche player or a hidden gem. ClinChoice (formerly Cromsource) is the latter—a full-service global CRO quietly accelerating drug and device approvals without the Wall Street noise.
"They're not chasing hype; they're chasing FDA approvals. That's the difference between a marketing company and a CRO."
The Revenue-Per-Employee Benchmark
With $52.1M in revenue and 259 employees, ClinChoice generates ~$201k per employee. This places them squarely in the efficient mid-market tier of CROs—lean enough to be agile, scaled enough to handle complex global trials. Compare this to the industry average of $150k-$250k per employee, and you see a company optimized for execution, not bloat.
The Traffic Paradox
Only 550 monthly visits? For a $52M company, that's shockingly low. But here's the insight: ClinChoice isn't playing the SEO game. Their 32% organic traffic suggests a referral-based business model. When your clients are biotech executives and clinical trial managers, you don't need 100K visitors—you need 100 qualified ones. This is a relationship business, not a volume game.
The rebrand from Cromsource to ClinChoice signals a strategic pivot. The domain cromsource.com still hosts legacy pages (terms, privacy), but the active brand is ClinChoice. This isn't just a name change—it's a market repositioning toward a 'full-service global CRO' identity. The CEO, Oriana Zerbini, and CFO, Carlo Zerbini, have been steering this ship through a quiet but deliberate transformation.
- Niche dominance in 'clinchoice pa' and 'clinchoice ortigas' keywords—likely tied to specific regional operations in Pennsylvania and Manila
- Tech stack built for speed: Tailwind CSS, Bootstrap, jQuery—no fancy frameworks, just functional tools
- Single Trustpilot review with a 3.2 rating—transparency issues or low review volume? The latter is more likely for a B2B CRO
The Under-the-Radar Playbook
ClinChoice proves that in clinical trials, trust beats traffic every time. For investors and founders, this is a case study in bootstrapped B2B dominance—no hype, just approvals.
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Your Full-Service Global CRO | ClinChoice
ClinChoice is a leading full-service global CRO that accelerates drug and device approvals to market to contribute to a safer and better world.
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Management should learn to constructively resolve conflict
Pros: I was able to learn clinical research skills along with other interesting opportunities. The benefits are decent, co -workers are supportive and e-learning is very helpful, informative and very easy to use. Cons: The environment at Cromsource is fine but work culture and CRA turnover is very stressful. Staff are pushed to their limits with no proper compensation and raises for going above and beyond. People are missing deadlines and there are conflicts with documents due to poor team communication.
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About cromsource.com
ClinChoice is a leading full-service global CRO that accelerates drug and device approvals to market to contribute to a safer and better world.
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cromsource.com uses 19 technologies across their website including HSTS, PHP, WordPress, and more.
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cromsource.com receives approximately 550 monthly visitors. The website has a bounce rate of 39% with visitors viewing an average of 1.1 pages per visit. Users spend an average of 0:00 on the site.
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