All official communication from Perk will always come from email addresses ending in @perk.com or @externalperk.com, our verified social media channels, or recruiters listed on our official LinkedIn page. Were trusted by more than 10,000 companies worldwide, including Wise, On Running, Breitling, and Fabletics, and were tackling the 7 hours of lost productivity per employee each week, a $1.7 trillion problem.