1. Speech Therapy Services: Speech therapy assistants can use their existing skills and expertise to start their own speech therapy services business and work with clients individually or in small groups.

2. Online Speech Therapy Platform: Speech therapy assistants can develop an online platform where they offer their services remotely and can provide guidance and materials to clients.

3. Professional Speaking Consulting: Speech therapy assistants can use their knowledge of speech, language, and communication to offer professional speaking consulting services to corporate, government, and other organizations.

4. Training and Education Services: Speech therapy assistants can offer training and educational services in public speaking and presentation, communication, and accent reduction to individual learners or groups.

5. Speech Therapy Technology Company: Speech therapy assistants can create their own technology company to develop speech therapy products such as software, apps, and devices for better speech therapy services.