To get more customers in your business do this most powerful and best Wazifa to increase customers. After Fajr and Maghrib namaz, recite 99 times every day.

يَا رَزَّاقُ بِحَق يَوۡمٗا تَتَقَلَّبُ فِيهِ ٱلۡقُلُوبُ وَٱلۡأَبۡصَٰرُ
Ya Razzaqu behaki Yawman tataqallabu feehil quloobu wal absaar

After you start this Wazifa with the blessings of Allah you will see more and more customers coming to your business InshaAllah. But remember this Wazifa will only work if you stay honest. Do not lie, cheat, or deceive anyone in your dealings. Always speak the truth, be fair, and serve people sincerely. When you keep your business halal and clean, Allah will put barakah in it.