List of subcontracting relationships / subcontractors

The listed subcontractors are used to supply our services:

Company Service Contact Wherefore?
Amazon Web Services, Inc. Cloud Services
(Cloudlog, Mail Automation)		 410 Terry Avenue North
Seattle WA 98109
United States		 Backbone for our cloudlog monitoring and transactional e-mails / newsletter dispatch
AnyDesk Software GmbH Remote Support Friedrichstraße 9
70174 Stuttgart
Germany		 Remote maintenance
Billomat GmbH & Co. KG Receipt and invoice tool Lorenzer Straße 31
90402 Nürnberg
Germany		 Creation and dispatch of offers and invoices. Capture and account assignment of receipts.
Cloudinary Inc. Image Delivery Services 111 W Evelyn Ave, Suite 206
Sunnyvale, CA 94086
United States		 Optimized media management and CDN system
DigitalOcean Cloud Services 101 Avenue of the Americas, 10th Floor
New York, NY 10013
United States		 Various backend systems for GK SaaS services
easybill GmbH Receipt and invoice tool Düsselstr. 21
41564 Kaarst
Germany		 Creation and dispatch of offers and invoices. Capture and account assignment of receipts.
FastBill Receipt and invoice tool FastBill GmbH,
Wildunger Str. 6,
60487 Frankfurt am Main,
Germany		 Creation and dispatch of offers and invoices. Capture and account assignment of receipts.
Google Cloud Services
(Google Cloud & Analytics Platform, G Suite)		 Google LLC,
1600 Amphitheatre Parkway,
Mountain View,
CA 94043
United States		 Website analytics, maps, mail automation
Hetzner Online GmbH Datacenter Services Industriestr. 25
91710 Gunzenhausen
Germany		 Hosting of LAB systems
Mailchimp Mail-Service
(Newsletter & Mail Automation)		 The Rocket Science Group, LLC d/b/a MailChimp,
675 Ponce de Leon Ave NE,
Suite 5000,
Atlanta, GA 30308
United States		 Mail dispatch from automated systems, newsletter dispatch
Microsoft Cloud Services
(Azure, Microsoft 365)		 Building 3, Carmanhall Road
Sandyford, Industrial Estate 18
Dublin, Ireland 		CRM, complete IT infrastructure and various backend systems for GK SaaS services
Postmark Mail-Service
(Mail Automation)		 TWildbit, LLC,
225 Chestnut St,
Philadelphia, PA,
19106,
United States		 Mail dispatch from automated systems
TeamViewer GmbH Remote Support Jahnstr. 30,
73037 Göppingen		 Remote maintenance
Zendesk GmbH Ticketsystem Neue Schönhauser Str. 3-5
10178 Berlin
Germany		 Helpdesk software for all customer support requests