PRICE £12.83 exc VAT per user per month from tresorit.com
SMBs that are worried about file-sharing security and privacy can rest easy with Tresorit. A great feature of this cloud service is its zero-knowledge policy, which delivers end-to-end AES-256 encryption, and the company never stores keys or passwords, so only account holders and users have access to their data.
Tresorit is good value,