Onasis Tech provides cloud-based business and IT software, with a focus on helping Kenyan internet service providers manage billing, payments, networks, and customer communications. Its ISP billing platform supports PPPoE broadband and Wi-Fi hotspots, automating invoicing, payment collection, subscription expiry, service suspension, and reconnection. Customers can pay through M-Pesa Paybill, Till, STK Push, or supported bank paybill integrations, while self-service portals and SMS notifications help simplify renewals.

For network operations, Onasis Tech offers MikroTik router management across multiple sites, remote access without public IP addresses or port forwarding, automated configuration backups, and TR-069 customer-premises equipment management. Its payment tools include an M-Pesa gateway with payment links and webhook callbacks. Messaging services provide WhatsApp and SMS APIs, automated reminders, and payment confirmations.

The company also offers managed IT support, cloud and virtualization services, backups, remote-access VPNs, and custom software solutions. Its platform is cloud-hosted and includes operational tools such as reporting, invoicing, expense management, and ticketing.