D4 is a leading national provider of electronic discovery, computer forensics and litigation support services to AMLAW200 firms and Fortune 1000 companies. D4 was one of the first providers to offer an eDiscovery Managed Services solution, eNtrust, which launched in 2011. D4 has been instrumental in helping customers realize up to a 70 percent cost reduction over previous e-discovery solutions.
Founded in 1997 , D4 has grown to a national presence. With over 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, 2011 and 2012, D4 was recognized on the “Rochester Top 100” list, honoring the fastest growing companies in Western New York.