Purisys has been acquired by the Siegfried Group and continues to provide all existing services as part of the Siegfried Acceleration Hub, including preclinical, early-phase development and manufacturing, reference standards and small-scale GMP manufacturing for commercial APIs.
Siegfried Acceleration Hub
Maximizing speed to market with early-phase development and manufacturing based in the United States.
Your partner for early-phase development and manufacturing
The Siegfried Acceleration Hub, now also including Purisys, is your comprehensive partner for preclinical and early-phase drug development and manufacturing. From phase-appropriate analytical and validation method development to scalable manufacturing processes, we provide the capabilities and support needed to accelerate your path from concept to clinic.
Accelerating early-phase drug development
We provide seamless support from preclinical through early phases to commercial manufacturing, including scale-up, technology transfer, validation, and product launch. Supported by DMFs across the U.S., Canada, Japan, and the EU.
Based in the
United States
Our local presence enables real-time collaboration, reducing delays and enabling efficient scale-up. We ensure regulatory compliance, transparency, and faster development by eliminating offshore transfer risks.
Seamless transfer into Siegfried's network
Smooth transition into Siegfried’s global manufacturing network from early phase through to commercial production, all from a single partner
Decades of
experience
An agile team with extensive experience in accelerating drug development through early phases, backed by Siegfried's 150 years of development expertise.
Our services
Early-phase development and manufacturing
Our CDMO services for early-phase development and manufacturing support your program from pre-clinical to clinical supply, with seamless transfer into commercial production.
Comprehensive reference standards offering
We offer a leading catalogue of over 300 reference standards, supported by structural elucidation, full characterization data, and rapid development capabilities for regulatory and commercial needs.
Small-scale GMP manufacturing for commercial APIs
Small-scale GMP manufacturing with high-containment capabilities for commercial production of specialized APIs, including low bioburden products for parenteral applications.
Our technologies and capabilities
Insights from our experts
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Our locations
Acceleration Hub Athens, Georgia
The Siegfried Acceleration Hub Athens (formerly Purisys) specializes in pre-clinical and early-phase development and manufacturing. Established in 1982, the site serves both emerging biotech and established pharmaceutical companies, offering high-quality custom synthesis, process development, scale-up, and GMP manufacturing services.
Acceleration Hub Grafton, Wisconsin
The Siegfried Acceleration Hub Grafton specializes in early-phase development and manufacturing. Established in 1998, the site serves both emerging biotech and established pharmaceutical companies, offering high-quality custom synthesis, process development, scale-up, and GMP manufacturing services. Its capabilities include the handling of highly potent APIs and controlled substances.

Get in touch
Contact us to discuss your preclinical and early-phase development and manufacturing needs.
