It doesn't matter who you are with already,infact it is to advantage,if you have the customers already through another portal - simply tell them to order through BellyFilla.com next time. Remember your customers are not just eats,hungryhouse or BellyFillas customers, they are yours, they want your service and they are not that bothered what the portal is as long as they get their food hot and fast from your shop.
This is what all our shops are doing now and some of our shops who have signed up with BellyFilla have transferred almost all their customers over and are saving hundreds of pounds a month. By telling all your customers to switch over to bellyfilla.com,you will be saving thousands of pounds per year ..