Ned Corbett-Winder, 29, said his small business now cannot afford to the regular parcel service and is now testing the new animal-based technique to save money.
The owner of NotAnotherBill.com said he is standing up for the little guys and is not willing to pay the hiked prices.
"The latest price increase will cost my around £2,500 over the course of a year which for a small business is a huge amount of money.
Ned said: "People always joke that if their parcel is late it would have been quicker sending it by carrier pigeon. Well I'm testing the theory out."
By placing food at the location, the birds have so far back and forth travelled twice a day.
They could carry parcels up to 75g with the journey taking just over an hour to get there with the birds flying over 50mph.
After Royal Mail was sold in October last year, many are saying the organisation was undervalued and taxpayers have not received enough in return.