Advice good windows instaler company

When I was building a house, I was looking for who made windows with a mirror effect, but I could not find anything interesting and inexpensive. Then I found out by chance that there is one way privacy film https://www.window-film-shop.com/window-film/mirror-window-film looks very good, and looks very expensive, but in fact it is cheap. You can look at the examples at the link I gave above and choose for yourself. And you can glue it yourself, you don't have to remove the window from the frame.