How to find my BRRRR without a W2

Hello everyone! Love the forums and podcast! I'm a self employed (started an online business) living in El Paso, Texas recently moved from the U.K. My goal is to have 20 doors via the BRRRR method. Bought my first property in cash, split it in two, rehabbed it and are about to start renting it, have been approaching local banks searching for a refinance mortgage but without any luck since I don't have a W2 or the revenue history (2 years) that the common bank is looking for before lending the money for the mortgage. Can anyone recommend a credit union or bank that can provide an asset-backed mortgage for the property without looking at the personal finance? Have been listening to the bigger pockets podcast and have heard from many guests that they have found these asset backed loans for their refinance. Thanks so much in advance! Regards, Yasir