The process of having an expert evaluate the user experience for your interactive solution can help you identify and solve issues before they occur at your client's site.
Heuristic Evaluation is based on compliance with a set of principles that sets the stage for identifying usability problems and provide the vehicle for finding solutions that will increase the quality of your product.
Cognitive Walkthrough is an inspection method used to identify usability issues focusing on the user experience of new, untrained or occasional users.
Accessibility Evaluation against a set of guidelines making sure that your solution can be used also by people with disabilities.
I have experience in reviewing interactive solutions and identifying usability issues that potentially undermine the user's tasks.
If you have questions, would like additional information, wish to view some sample of work or need a quote for your project feel free to contact me.