|Founder(s):||Alexander Siffrin |
|Headquarters:||Neunkircherstr. 43, 66299 Friedrichsthal|
|Businesses:||Investment & Asset Management Holding|
| Alexander Siffrin, Founder and CEO|
Dr. Eva C. Siffrin-Kokert, CEO Horst Oskar Siffrin, CEO
is inter-services  is an German investment and asset management holding company. Its portfolio includes a majority in KeyDrive SA, in Luxemburg.,Key-Systems and Moniker  - two leading ICANN accredited registrars - SkyWay datacenter  and dotSAARLAND GmbH [].
Key-Systems was founded by Alexander Siffrin. and operates together with Moniker more than 6 million internet domain names for businesses, ISP professionals and other customers. Key-Systems is the second largest ISP for gTLDs in Europe, and operates internationally with offices in Germany and the United States.
Other companies of Key-Systems Group are Skyway DataCenter - providing services in the areas of colocation, hosting and dedicated server systems  - and KSregisty GmbH  - providing registry services for 31 new TLDs and ccTLDs.