NEW YORK – Complete Discovery Source, Inc. (CDS), a premier global leader in eDiscovery, serving top law firms, corporations, and government agencies for over 20 years, today announced it has earned the RelativityOne Data Migration Competency. Through this Competency, global legal technology company Relativity acknowledges that CDS has demonstrated proficiency, proven customer success, and knowledge of best practices for data migration work.
CDS has migrated thousands of matters into RelativityOne from a wide variety of legacy platforms, formats, and environments, making it well equipped to support clients’ transitions to the cloud in alignment with Relativity’s policy that all new matters will be hosted in RelativityOne by 2028, with some limited customer and geographic exceptions. CDS’ migration specialists follow a tested, high-touch approach tailored to each client’s needs, with a strong emphasis on defensibility, security, and efficiency. As one of the earliest adopters of RelativityOne, CDS developed internal tools and enhanced workflows that streamline even the most complex migration projects. The company’s commitment to minimizing downtime and risk while maintaining data integrity has made CDS a trusted partner for law firms, corporations, and government agencies seeking a seamless move to the cloud.
“Achieving the RelativityOne Data Migration Competency reflects the dedication and technical excellence of our team,” said Sue-Deelia Tang, Client Solutions Director at CDS. “We recognize how critical a smooth migration process is for our clients’ continuity and matter success. This recognition from Relativity reaffirms our ability to deliver exceptional results through thoughtful planning, custom solutions, and deep platform expertise.”
RelativityOne offers a wide range of capabilities tailored for faster, more efficient and more accurate work, including fit-for-purpose generative AI solutions that produce defensible and transparent results.
Partners with the RelativityOne Data Migration Competency illustrate their expertise by completing multiple successful migration projects, achieving high client satisfaction, and providing added value through scalable solutions and advanced capabilities that go beyond standard migration processes. For more information about CDS’ data migration work, visit here.
About Complete Discovery Source:
Complete Discovery Source (CDS) is a premier, full-service eDiscovery provider with over two decades of experience helping corporations, law firms, and government agencies worldwide navigate complex legal and compliance challenges. Powered by real people, CDS combines industry-leading technology with expert consulting and project management to deliver efficient, cost-effective solutions tailored to litigation and investigations. With expertise in data migration, forensics, and managed review, CDS ensures seamless support at every stage of the eDiscovery process. Proprietary tools like Convert and Vision, along with premium Advisory and FedRAMP-Authorized Cloud Services, enable CDS to deliver real results that matter, no matter the size or scope of your case.
Headquartered in NYC, CDS has been a trusted Relativity Premier Partner for nearly two decades, founded on a client-first approach. As a RelativityOne Gold Advisory, Developer, and Provider Partner, CDS leverages Relativity’s innovative platform to deliver scalable solutions tailored to your needs. Discover more at cdslegal.com or email .
About Relativity
Relativity makes software to help users organize data, discover the truth and act on it. Its SaaS product, RelativityOne, manages large volumes of data and quickly identifies key issues during litigation and internal investigations. Relativity has more than 300,000 users in approximately 40 countries serving thousands of organizations globally primarily in legal, financial services and government sectors, including the U.S. Department of Justice and 198 of the Am Law 200. Please contact Relativity at or visit www.relativity.com for more information.

