We offer you our cordial congratulations and best wishes
My most sincere congratulations are yours
I hope in a few days to be able to offer my congratulations in person
Accept hearty congratulations
With most sincere congratulations
I write to offer my heartfelt congratulations
You will receive many hearty congratulations but none more sincere than mine
It must have been a great joy to you. I heartily congratulate you
I applaud you