I found these online stores that sells some Polish brands, but they're all based in the UK. Plus a store in Aus that sells Nessa : r/PolishBras

Shares in The Works surge after strong sales and return to profit, Retail industry

Polish Brand Bras – Bella Bra Shop

The Best Bras Might Be Made in Poland - The New York Times

Polish Bras

10 Polish Lingerie Brands You Need to Know - The Breast Life

Reason #10 to go Polish with bra purchases: they haven't abandoned the FOT shape! : r/PolishBras

Solved You sell bracelets online. The demand for these

Poland: most popular online store brands 2023

9 Nail Polishes to Give You Glazed Donut Nails

Polish bras

Ten brands that disappeared over the past decade