About Us

Our forte is litigation support. Our distinction is intuition.

John Holland, Chief Executive Officer

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D4, LLC was founded in 1997 in Rochester, NY. In an industry which did not exist two decades ago, D4 has an enviable seventeen year history of growth and accomplishment.

John Holland, D4’s founder and CEO, started his career at Xerox, where he Iearned about the importance of quality and customer service. That experience set the tone and rhythm for D4 in providing top of the line products and solutions and providing first class service in everything we do.

D4 has built a “do what it takes to deliver better” culture that permeates throughout our entire organization. We are not just a company, we are a family. And we know that when our employees are happy and productive, our customers will be happy and successful.

Data Center + Infrastructure

D4 operates a SOC 2-certified Tier 3 advanced business-class data center in Rochester, NY. This 1,000-square-foot co-location and data center facility offers SSAE16 audit compliance, and was designed with the technology and security needs of businesses in mind.

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Experience and Leadership

The D4 team has some of the best and brightest people in the industry. Our employees are our most important asset and we are, in fact, powered by people. Each and every person at D4 embraces the “do what it takes” vision, which gives clients confidence and incomparable peace of mind.

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Human and Artificial Intelligence

You can have all the latest and greatest technology in the world, but if you don’t have the right people to power it, it is worthless. D4 combines our people (human) and our technology (artificial), with our established, proven processes and workflows to create a defensible case that doesn’t break the bank.

Learn more about our Intelligence

A Customer-Centric Approach

We thrive on exceeding the dependable, timely, and high-quality experience our customers expect. We do that by delivering exceptional service and by serving each other in the same manner we expect to be served every step of the way.

Our Reach/Locations

At D4, local presence meets national experience, with offices in Buffalo, Chicago, Detroit, Grand Rapids, Lincoln, New York City, Omaha, Orlando, Phoenix, Rochester, San Diego and Tampa.

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Recognitions

D4 has been recognized by Inc. Magazine as one of the fastest-growing private companies in the U.S., and is a 4-time Inc. 500/5000 honoree. D4 was recognized on the “Rochester Top 100” list from 2010-2014, honoring the fastest-growing companies in Western New York.

Our Culture

D4 has built a “do what it takes to deliver better” culture that permeates throughout our entire organization. We are not just a company, we are a family. And we know that when our employees are happy and productive, our customers will be happy and successful.

Watch a video about Our Culture

D4 eDiscovery Outlook

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