Mount 2 tvs on the wall in birkdale, auckland

Hi, I need help installing my TV - Size : 51” to 60” - Brand : LG - Model : Not sure - Wall type : Gib - Cables concealed in the wall : ❌(No) - Mount/stand provided : Yes, we’ve a mount - Additional devices to be connected : None Due date : Mon, 15th May Other Details : We need 2 TV mount on the GIB wall. One is 49 inch (Samsung) and the other is 55 inch (LG). We already purchased mounting brackets. Need someone to install both. And put the TV on. We are not sure what the budget is suppose to be for this kind of job, please just approach with your quote. Thanks