True Random Number Service

Advisory: We only operate services from the RANDOM.ORG domain. Other sites that claim to be operated by us are impostors. If in doubt, contact us.


Our mission is to produce the highest quality true random numbers and make them available to the world in useful forms.

Registered Office RANDOM.ORG
Randomness and Integrity Services Ltd.
12 Fitzwilliam Street Upper
Dublin 2
D02 HY58
Contact Skype:
Country of Incorporation Ireland
Company Reg. No. 489434
Tax/VAT Reg. No. IE 9769936F
Directors Dr Mads Haahr, CEO, MIEEE, MACM, MICS;
Dr Svend Haahr; Danish Nationals

RANDOM.ORG was founded by Mads Haahr in October 1998 and became a Limited company in October 2010. The History of RANDOM.ORG describes how the service has developed from the very beginning to the present.

© 1998-2023 RANDOM.ORG
Follow us: Twitter | Facebook
Terms and Conditions
About Us