I have been working...

I have been working for International Business Intelligence Security Company (IBI) for the past 12 years, just resigned a month ago serve a notice of a week , what happened is that they paid me half of my monthly salary of the month I worked full , worse when I want my payslip they say I have been deleted i can't get any payslip but they will pay me , how I don't know when I'm deleted already , Now it's month end I didn't get any money of that 12 years that i worked hard for ,their address is 1011 SAXBY Centurion , Please help 🙏