|Founder(s):||Alexander Siffrin |
|Headquarters:||Neunkircherstr. 41/43 |
D 66299 Friedrichsthal
|Businesses:||Investment & Asset Management Holding|
| Alexander Siffrin, Founder and CEO|
Dr. Eva C. Siffrin-Kokert, CEO
inter.services (former is inter-services) is an German investment and asset management holding company concentrating it business on internet, real estate and healthcare activities.
Its portfolio included until July 2018 a majority in KeyDrive SA, in Luxemburg., comprising Key-Systems, Moniker  - and PartnerGate - three leading ICANN accredited registrars - the registrar toweb Brasil and the registry 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 leading ISP in Europe for resellers for gTLDs, and operates internationally with offices in Germany and the United States.
Other companies of the Key-Systems Group are Skyway DataCenter - providing services in the areas of colocation, hosting and dedicated server systems  - KSregisty GmbH  - and OpenRegistry - providing registry services for 36 TLDs and 2 2nd level ccTLDs.. traffic.club is also a member of the Group.
After a reverse takeover (according to the regulations of the LONDON Stock Exchange) of CentralNic by KeyDrive inter.services is with 19,9% a mayor shareholder of CentralNic - a leading Registry Service Provider providing its services to 118 TLDs including .xyz. Alexander Siffrin is COO of the enlarged Group.