SignalHire is a contact finder and email finder tool built for recruiters, marketers, and HR specialists. It extracts verified contact details — including phone numbers, email addresses, and public social media profiles — for over 400 million professionals across the US, Poland, Australia, and Europe. Originally built for talent sourcing, SignalHire now uses predictive sourcing technology to identify professionals who are most likely to be open to new roles, along with signals on their current employment mood. It's a strong fit for headhunters expanding their talent pipeline and marketers who need accurate contact and firmographic data on prospects or competitors.