Introduction
DDL Diagnostic Laboratory is a state-of-the-art laboratory specialized in (molecular) diagnostic testing and diagnostic assay development.
DDL performs advanced (molecular) diagnostic testing on behalf of pharmaceutical companies and clinical laboratories, within the complex framework of preclinical studies and Phase II-IV clinical trials. DDL also designs, develops, and validates novel diagnostic assays, which can be tailor-made for specific diagnostic purposes.
DDL is recognized as a top quality diagnostic service and development company and serves multiple international pharmaceutical companies, including 10 of the worldwide top-20.
Plain Vanilla invested in DDL Diagnostic Library in 2010 and successfully sold the company to Summit Partners in 2020.
How Plain Vanilla added value
- Took hands-on executive leadership roles to directly drive transformation
- Identified and mitigated concentration risk by diversifying away from a single major client and late-stage clinical trial dependency
- Defined and executed a focused growth and diversification strategy across key disease areas
- Professionalized financial and operational control, creating a scalable growth platform
- Strengthened the management team through leadership development and targeted senior hires
- Relocated operations to a larger, modern facility to support capacity expansion and efficiency
- Improved scalability through investments in automation, robotization and laboratory information systems


