As the leader of Appquipo, a seasoned mobile application team with more than a decade's experience in advanced functionalities like what your project necessitates, I believe we're the exceptional fit for your mortgage agent website upgrade. Not only are we familiar with OpenCart and Zend (which you mentioned), but we also have great expertise in web development with a strong background in HTML, PHP, and Wordpress, crucial for delivering on all points of your project description.
Through the years, we've built a sterling portfolio of seamless, intuitive user interfaces topped with innovative features like yours: Calculators and Application Forms. Time-tested by many clients to their satisfaction. We'll expertly install two mortgage calculators for you, one basic version and the more comprehensive one which includes an amortization schedule – both easy-to-modify as you've specified.
Regarding integrating appealing and user-friendly Application Forms for your site? That's primarily what we do! We pride ourselves on our excellent skills in UI/UX design, ensuring an effortless process for the users of these forms when applying for their mortgages. Lastly, not only have we gotten hands-on experience with chatbot implementation but our team is well-versed in AI and machine-learning necessary to integrate your chatbot seamlessly into the site. Undoubtedly, Appquipo is the perfect choice for optimizing your site functionalities for a better user experience