Yes, both Tresorit and Box offer a Free Trial.
Tresorit is designed for Large Enterprises, Medium Business and Small Business.
Box is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Tresorit Starts at $10.42/Month when Billed Yearly whereas for Box Starts at $5/User/Month when Billed Yearly.
Some top alternatives to Tresorit includes pCloud, Sync.com, Dropbox Business, ownCloud, Box, Dropbox Professional, Quatrix, etfile, BluSync and Dropvault.
Some top alternatives to Box includes CollaborateCloud, Microsoft SharePoint, Dropbox Business, FileCloud, ownCloud, Microsoft OneDrive for Business, Dropbox Professional, Citrix Content Collaboration, Genialcloud Facsys and Box Skills.