Hi,
Normally PHP is not preferred technology for banking kind of applications. Usually they will be developed using .net or java. You need high security architecture for finance applications. If you can talk to me and explain infrastructure you have i can find suitable product with code or can develop new one. I do have experience in banking applications.
I have 10+ years of experience in developing websites, windows based applications and mobile applications using asp.net, c#, vb.net, php, wordpress, java, j2ee, MS Sql server, My Sql, crystal reports, SSIS, unity 3d, Html, CSS, Javascript, Jquery, Bootstrap... I have team of 5 people working for me.
1. Website data scraping
2. Website development
3. Responsive website development
4. Wordpress
5. Desktop application development
6. SEO
7. Data entry
8. Internet research
9. Mobile games development
10. Migrating old Web hosting server to new Web hosting server
11. Mobile application development
12. IT remote staff augmentation