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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HQRochester, US
Size (employees)243 (est)
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 News and Updates

Neato's Botvac D4 Connected Is Our New Midrange Fave

Neato's new midrange offering gives Roomba a run for its money.

Neato unveils Botvac D4 Connected and Botvac D6 Connected robot vacuums

Robotic vacuum company Neato unveiled a host of new products at its IFA 2018 briefing, including two new models with improved runtime.

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 Blogs

How to Reduce Your Threat of Cyber Attacks in Wake of China Hack Allegations

With all the news coming out of Washington last week as part of the confirmation process for Supreme Court Justice nominee Brett Kavanaugh, and the disclosure by Facebook of a breach that affected at least 50 million users, it would be easy to miss the equally significant story about the latest vari…

X1 Insight and Collection & RelativityOne Integration: Testing and Proof of Concept

eDiscovery is a complicated business. For a typical litigation, there are at least five separate stages, collection, processing, review, analysis, and production, and while the average discovery period lasts eight to ten months, the matters themselves can run for years. During the lifecycle of a com…

D4 used Relativity to pinpoint a single Chinese character with hundreds of thousands of WeChat messages

An employee at a Chinese company confessed to an off-the-books billing scheme totaling several million renminbi stolen from a customer—but without evidence, his employer couldn’t seek legal action against him. Taking up the case on the employer’s side, D4 turned to Relativity to identify the smoking…

Why You Should Implement Pre-Review Analysis in Your ECA Workflow

For some, ECA is a process by which legal teams evaluate matters, performing analyses that help them to model cost and risk factors associated with defending, prosecuting or settling a matter. For others, ECA is a more defined protocol for investigating a specific universe of data and developing pla…

What is Data Mapping? ESI Basics for eDiscoverywdxefcqufszuzezftuxetqsqxt

What is data mapping? A data map is a comprehensive and defensible inventory of a corporation’s IT systems that store information, which may be relevant to litigation and other proceedings.  Creating your data map is only one small step you should take when defensibly preparing for litigation.…

ILTACON 2018 Takeaways: 4 Ways to Get Your Lawyers to Use Advanced Technologies

New technology will drive a fix to anything that is expensive or risky or time-consuming or just plain drudgery.   For example, our transportation gets us places in minutes or hours instead of days or never. Our conveniences keep us warm, clean, comfortable, and potentially over-fed. Traders spend …
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