D4, LLC is a national leader in providing litigation support, computer forensics and eDiscovery services to law firms and corporate law departments. D4 covers the spectrum of the Electronic Discovery Reference Model (EDRM), from identification and preservation of data through forensic and targeted onsite data collection; from data analytics and defensible search methodology through hosted review and production services. D4 assists attorneys in litigation response planning, strategies for negotiation of scope and meet-and-confer, computer forensics, expert testimony, and approaches to cost reduction in litigation support projects and in corporate law department operations. Founded in 1997 , D4 has grown to a national presence. With nearly 130 staff, D4 offers full-service locations in Buffalo, Detroit, Grand Rapids, Lincoln, New York City, Omaha, Orlando, Phoenix, Rochester, San Francisco, San Diego and Tampa. D4 fields consultants and project managers from Los Angeles, Colorado, Rhode Island, Michigan, and Washington DC. State-of-the-art tier-3 data center operations in Rochester are complemented by electronic discovery and litigation support paper document services throughout the United States. D4 has been recognized by Inc. Magazine as one of the fastest growing private companies in the US and is a two-time INC 500/5000 honoree. In 2010 and 2011, D4 was recognized on the “Rochester Top 100” list, honoring the fastest growing companies in Western New York. 
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Rochester, US
Size (employees)
242 (est)+2%
D4 was founded in 1997 and is headquartered in Rochester, US
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D4 Office Locations

D4 has an office in Rochester
Rochester, US (HQ)
222 Andrews St
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D4 Financials and Metrics

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D4 Online and Social Media Presence

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D4 News and Updates

Volvo XC40 Is Boxy and Comfortable, Says First Review

Right from the beginning, you can tell that Matt Prior is slightly fed up with reviewing SUVs. After all, he jumped out of the Jaguar E-Pace and into the Volvo XC40. But how does the all-new compact from Sweden compare to its rivals? 84 photos The XC40 will go up against not only the Jag, […] The po…

Ediscovery news: D4 is First Relativity Partner to Offer RelativityOne in the UK

D4 LLC, a leading international provider of managed data and discovery services, today announced that they are the first RelativityOne Certified Partner to offer RelativityOne in the United Kingdom. The RelativityOne Certified Partner program recognizes […]

New XC40 completes global Volvo line-up for fast-growing premium SUV segment

Volvo Cars, the premium car maker, today further expands its line-up of SUVs with the launch of its new XC40 small premium SUV in Milan, Italy. At the same time as it introduces the XC40, Volvo Cars also reinvents the traditional model of car ownership with its new ‘Care by Volvo’ subscription servi…
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D4 Company Life and Culture

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