Reitmans Customer Service Phone Numbers Customer Service:  1-866-REITMAN (1-866-734-8626)   Reitmans Headquarters Info, Email, Phone number, Website and live chat Information Founded: 1926 Headquarters: Montreal, Quebec, Canada Key people: Jeremy H. Reitman, Stephen F. Reitman Reitmans Ltd. is a Canadian retailing company, specializing in women’s clothing. It was founded in 1926 by Herman and Sarah Reitman, in Montreal, Quebec,