The directory
Clinical trial patient recruitment companies
Not all of these are recruitment agencies. Several are site networks, matching platforms, or CROs that sell enrollment. Knowing which is which is most of the decision.
19 shown
- Patient recruitment agencyAutoCruitmentDirect-to-patient digital recruitment with a proprietary pre-screener.Best for: Sponsors with a broad, self-identifying patient population and sites that have coordinator bandwidth to work a large referral queue.
- Patient community / registryAntidoteMatches patients through a network of health advocacy and publisher partners.Best for: Chronic and rare conditions with active advocacy groups, where credibility matters more than raw volume.
- Patient recruitment agencyTrialfactsGuarantee-backed recruitment aimed at smaller and investigator-initiated studies.Best for: Academic groups, small biotechs, and single-site or few-site studies.
- Patient recruitment agencyThreeWireLong-established recruitment shop with a site-support emphasis.Best for: Device and procedural studies where site conversion is the bottleneck.
- Patient recruitment agencyMMGCommunications-led agency covering recruitment, retention, and engagement.Best for: Large sponsors running long studies where dropout is as costly as slow enrollment.
- Patient recruitment agencyCSSiRecruitment and site identification with a diversity-in-trials focus.Best for: Programs with explicit diversity enrollment commitments.
- Patient recruitment agencyBlue Chip Patient RecruitmentFull-service recruitment and retention, part of a larger marketing group.Best for: Sponsors consolidating recruitment and retention with one vendor.
- Data & intelligence platformCitelineTrial intelligence and site/investigator data — not a recruitment vendor.Best for: Feasibility and site selection teams who need landscape data before committing sites.
- Patient recruitment agencyClara HealthPatient-experience-led recruitment with concierge-style support.Best for: Burdensome protocols and rare indications where every candidate matters.
- Full-service DCT providerScience 37Decentralized trial operating system with telemedicine investigators and nurses.Best for: Protocols with remote-friendly assessments and a geographically dispersed population.
- Site networkElligo Health ResearchBrings trials to community physician practices and their patient records.Best for: Indications managed in community practice — cardiometabolic, primary care, common specialties.
- Full-service DCT providerCuravitVirtual CRO focused on digital therapeutics and decentralized designs.Best for: Digital health and DTx sponsors running remote studies.
- CRO with recruitment armLindus HealthAll-in-one CRO bundling recruitment, sites, and eClinical with fixed pricing.Best for: Small and mid-size biotechs who want a single throat to choke on timelines.
- CRO with recruitment armTrialSparkTechnology-led trial execution; strategy has shifted toward drug development.Best for: Sponsors specifically evaluating technology-led execution models.
- Patient recruitment agencyContinuum ClinicalRecruitment and retention with strong site-engagement programs.Best for: Multi-site programs where site under-performance, not lead volume, is the problem.
- Patient recruitment agencyAcurianLarge-scale outreach using consumer data, part of a major CRO.Best for: Large, common-indication Phase III programs needing national volume.
- AI patient matchingTrialbeePatient matching and orchestration across multiple referral sources.Best for: Sponsors running multiple recruitment vendors who cannot see which one works.
- AI patient matchingDeep 6 AIMines clinical records, including unstructured notes, to find eligible patients.Best for: Oncology and precision-medicine trials with complex eligibility criteria.
- Patient recruitment agencyCT Scan, Inc. (DYNO)Modelled cost per enrollment, then the advertising run to deliver it — and the owner of this directory.Best for: Sponsors and CROs who need a defensible number for what enrolling N patients will cost, and then want that same number delivered against operationally.