Legal Mentions

Last updated : May, 30th 2023

Publisher: The website “” is published by SUBSTRATE HD (doing business as “VOLTA MEDICAL”), which is a French simplified joint-stock company with a capital of 19.925,40 Euros, registered at the trade register of Marseille under company number 820967875, and whose registered office is located at 65 avenue Jules Cantini, 13006 Marseille – France.

Contact: Any questions regarding this website may be sent by postal mail at the following address: 65 avenue Jules Cantini, 13006 Marseille, France, or by e-mail to

VAT identification number: FR14820967875.

Publishing director: Mr Julien Seitz.

Hosting: The site is hosted by Amazon Web Services, Inc., P.O Box 81226, Seattle, WA 98108-1226, USA. You can contact AWS Support on our hosting contact page.