Email is the best way to reach us. We're spread across different time zones, so can usually answer urgent emails within a couple of hours: hello@litmusapp.com.
If for some reason you need to send us a letter, post it to:
Salted Services Ltd.
35 Moray Place
Edinburgh
EH3 6BX
United Kingdom
“The most innovative interface I've used since Basecamp.” —Dave Rosen, XHTMLized
“Quick and pain-free customer service; very impressive! I will definitely recommend Litmus.” —David D. Lyman, Nutshell Mail