Backblaze Business Backup
Unlimited computer backup for business with simple published per-computer pricing.
Price on their site
SMB
MSP-friendly
Pricing note
$99/computer/yr
Business Backup $99 per computer per year (same list as Personal). Enterprise Control is an add-on (contact/verify current add-on price).
Commonly compared to (public alts)
Carbonite, Acronis, CrashPlan
Deploy model
saas, agent