Hi.
We are a team of certified Salesforce developers and Integration Experts. We have been working for many MNC's and have completed many projects outside freelancer which were based on Sales and Service Cloud.
We assure you the best services possible. We have expertise in the salesfoce configuration and customization and Integration with external systems using the ETL tools like Informatica, Data Stage, Cast-Iron.
We can meet your requirement by placing the buttons on your visualforce project and writing a code behind it to open the desired page.
Please consider us for this project.
Hope to work on your project soon.