Approved List of Digital Signature Certification Authorities

The following is a list of certificate authorities authorized to issue certificates for digitally signed communications with public entities in California. A provider of a digital signature product is not required to be on this list, but the product is required to use a certificate from a certificate authority on this list. For additional information please refer to these Frequently Asked Questions.

Certification AuthorityCertification Expires
Comodo
1255 Broad Street
Clifton, NJ 07013
Phone: 1 (888) 266-6361
www.comodo.com

July 31, 2018

Digicert
2801 North Thanksgiving Way, Suite 500
Lehi, UT, 84043
Phone: (801) 877-2100
www.digicert.com

April 30, 2018

DocuSign, Corporation
221 Main Street, 10th Floor
San Francisco, CA 94105
Phone: (415) 489-4940
www.docusign.com

December 7, 2017

Entrust Datacard Limited
1000 Innovation Drive
Ottawa, ON K2K 3E7 Canada
Phone 1 (866) 267-9297
www.entrust.com

July 31, 2018

GeoTrust, Inc.
441 Clyde Avenue
Mountain View, CA 94043
(650) 527-9128
www.geotrust.com

November 30, 2017

GlobalSign, Inc.
Two International Drive, Suite 150
Portsmouth, New Hampshire 03801
Phone: (603) 570-7060
Phone: (877) 775-4562
Fax: (603) 570-7059
www.globalsign.com

November 30, 2017

IdenTrust, Inc.
5225 Wiley Post Way, Suite 450
Salt Lake CityUT 84116
Phone: (801) 384-3500
www.identrust.com

April 30, 2018

NGWeb Solutions, LLC
6821 Southpoint Drive North, Suite 400
Jacksonville, FL 32216
Phone: 1 (904) 332-9001
www.ngwebsolutions.com

July 31, 2018

Thawte, Inc.
441 Clyde Avenue
Mountain View, CA 94043
(650) 527-9128
www.thawte.com

November 30, 2017

Symantec Corporation
441 Clyde Avenue
Mountain View, CA 94043
(650) 527-9128
www.symantec.com

November 30, 2017

MaxMD/Park Avenue Capital, LLC
2200 Fletcher Avenue, Ste 506
Fort Lee, NJ 07024
(201) 963-0005
www.maxmddirect.com

August 1, 2018