万事如意 Good luck.(U may also add some thing 2 it 2 make a sentence.)
生意兴隆 Allow me to extend to you all my best wishes for your lasting prosperity.
福如东海,寿比南山 May joy and health be with you always.
一帆风顺 Bon Voyage!
合家欢乐 Wishing you and yours a happy new year.