Tie up with 3rd party payroll vendors for a small firm - preferably cloud-based software who is going to handle payroll for my client

Dear All, I am urgently looking for a 3rd party payroll vendor, preferably cloud-based software who is going to partner with my company to handle payroll for my client.
The current Employee strength is 25. Vendor partners with budget and features of the software, reach out to me here.
Thanks and Regards,
SM