The PAYE reference number for KPPES Ltd. is 120/FA77818.
Each registered employer in the UK has one of these unique codes. It acts as a sort of National Insurance number for employers and helps HMRC identify the company you’re employed by.
If you ever need to contact HMRC, it’s likely they will ask you for it. You might also need it when dealing with the Student Loans Company, applying for tax credits or completing a tax return.