Biller Code
391755
Merchant
MAINMARK GROUND ENGINEERING
MAINMARK
Payment Methods
Biller code 391755 is the BPAY code for MAINMARK GROUND ENGINEERING (also known as MAINMARK). You can use this code to make payments through any Australian bank that supports BPAY.
To pay MAINMARK, log into your bank's online banking, select BPAY, enter biller code 391755, your customer reference number from your bill, and the amount you want to pay. Learn more in our step-by-step BPAY payment guide.