The Catalyst teams in the United States and Asia are available to assist and answer questions during extended business hours and can also be reached if needed during off hours.

Catalyst's headquarters are in Denver, with offices or representatives in major cities across the United States. We also have offices and a secure data center in Tokyo to support our clients and partners in the Asia-Pacific region.

Corporate Headquarters (US)

Catalyst Repository Systems
1860 Blake Street, 7th Floor
Denver, CO 80202
General Inquiries: 303.824.0900
Client Support: 877.557.4273
Fax: 303.293.9073
Contact a Rep
Hours of operation:
8 to 5 MT, M-F

Catalyst Japan

map japan
Catalyst Japan LLC
3F Mod Marche Akasaka Bldg.
2-8-3 Akasaka, Minato-ku,
Tokyo 107-0052, Japan
Tel: +81.3.6441.2270
Fax: +81.3.6441.2271
Contact a Rep
Japan Website Hours of operation:
9:30 to 6:30 JST, M-F





Need some help? Contact our support representatives at 303.824.0911 or toll free at 877.557.4273. Or email This email address is being protected from spambots. You need JavaScript enabled to view it.. We will respond promptly and do all we can to help.

About Catalyst

Catalyst designs, builds and hosts the world’s fastest and most powerful document repositories for large-scale discovery and regulatory compliance. We back our technology with a highly skilled Professional Services team and a global partner network to ensure the best e-discovery experience possible.
Catalyst Repository Systems

1860 Blake Street, 7th Floor
Denver, CO 80202

Phone: 303.824.0900 | Toll Free: 877.557.4273
Fax: 303.293.9073 |  Privacy PolicyPrivacy Shield


RT @UCDLawSchool: Machine Learning Realities and Fictions; @GMOrumHernandez quizzed Andrew Bye (@CatalystSecure) via @Legaltech_news https:…

Jennifer Davies | People on the Move - Denver Business Journal via @denbizjournal

RT @jtredennick: Fun talk on AI in investigations in Tokyo today. @CatalystSecure #AI #eDiscovery