All Veeam® products are sold through authorized Veeam resellers, called Veeam ProPartners. You can request a quote from a Veeam ProPartner in your area, or contact Veeam Sales to get more information on Veeam pricing, Veeam licensing or Veeam product information.
Another way is to buy them online. The recently available Veeam Online Store allows you to purchase Veeam Backup Essentials™ and Veeam Backup for Microsoft Office 365, both of which are great products for small business
If you're looking for a service provider to manage all or part of your backup infrastructure, use the Service Provider Lookup to find a Veeam Cloud Connect backup target.