.NET MVC Client Management System for Tax Consulting

I need a .NET MVC application designed for managing clients in my tax consulting firm. The application should include features for client onboarding, appointment scheduling, and case tracking. Additionally, the system needs to integrate with our existing CRM.

Ideal Skills and Experience:
- Extensive knowledge and experience in .NET MVC
- Prior experience in developing client management systems, preferably for consulting firms
- Proficiency in CRM integration
- Skills in creating user-friendly interfaces for appointment scheduling and case tracking
- Experience in implementing secure and efficient client onboarding processes
- Experience in managing and optimizing databases for client data storage and retrieval.
- Experience in creating responsive designs that work well on various devices including desktops, tablets, and mobile phones.
- Proficiency in implementing data encryption, secure client authentication, and other security measures to protect sensitive information.
- Proficiency in testing and debugging applications to ensure a bug-free and high-performance system.

Please provide examples of similar projects you've worked on.