on the up and up
US /ɑn ðə ʌp ænd ʌp/
UK /ɑn ðə ʌp ænd ʌp/
1.
honest and legitimate; improving or progressing
:
•
I assure you, this business deal is completely on the up and up.
•
After a tough year, things are finally on the up and up for the company.