This is an advertisementInterested In Advertising? | Contact Us Here
i think a good old fashioned thank you is enough, they are usually glad to help
I offer a free clean once the new customer has been with me for three consecutive months.I had one customer who thought it was so good he went canvassing all his friends for me. He didn't pay for his window cleaning for a year and i got an extra £150 a month business from it.