Windows had holes in and measured incorrectly

On the day of having my six new windows fitted , I noticed the new windows all had holes / cracks in unfortunately they had taken three of my windows out so fitted them in temporary while they made 6 new ones , a week later they turn up with the new windows, I hear them in the back of the van cutting the windows, I ask why are you cutting the new windows, their reply was we have to cut all the ribs off as they don’t fit ! They had cut so close that the edge of the window cracked and had small holes in , I just don’t get this industry and how shoddy and unprofessional they are , also on checking the advertised Certass approved installer logo on paperwork and online with Certass they are not members