Below is a list of GTN Subprocessors:
| Name/Address | Relationship | Activities |
| OneNeck IT Solutions, LLC 525 Junction Road Madison, WI 53717 Contact: servicedesk@oneneck.com |
IT Managed Services Provider | Manages virtual servers and other technology |
| Wolters Kluwer N.V. (CCH) Two Commerce Square 2001 Market Street Philadelphia, PA 19103 Contact: support@wolterskluwer.com |
SaaS Tax software | Tax return software |
| ShareFile Progress Software Corporation 15 Wayside Rd, Suite 400 Burlington, MA 01803 Contact: https://support.sharefile.com |
SaaS document sharing | Document sharing |
| Microsoft Corporation 1 Microsoft Way Redmond, WA 98052 Contact: servicedesk@oneneck.com |
Cloud hosting provider (through OneNeck) |
Cloud hosting and hosted Exchange (Microsoft Azure) |
| BlueSnap 800 South St, Suite 640 Waltham, MA 02453 Contact: hello@bluesnap.io |
Credit card processing vendor | Process credit card payments |
| Sertifi, Inc. 222 W Merchandise Mart Plaza Suite 1270 Chicago, IL 60654 Contact: support@sertifi.zendesk.com |
Electronic signature software | For signing agreements |
| NinjaOne 816 Congress Ave, 16th Floor Austin, TX 78701 Contact: support@ninjaone.com |
SaaS Ticketing System | Tracking Software and Technology Issues |
