On this occasion, I would like to suggest this site
https://nimbusweb.me/blog/top-10-customer-client-portal-software/ when it comes to creating a client portal for a company. One of the key points that we took into account is the mobile adaptation of the portal. In today's world, more and more people use smartphones to access the internet, and if your portal is not mobile-friendly, it can significantly reduce customer satisfaction and affect your reputation, work with professional developers to ensure excellent portal performance on all platforms, and this decision turned out to be very effective.