I need help preparing employee W2's

We need someone to go through our bank statements to determine how much employees were paid during the year. Salaried employees will be easy (just a matter of determining their start date). Hourly employees will be a bit more time consuming, but because payroll occurred in regular intervals it will be easy to find hourly employee pay. We're a small company (less than 20 employees) so it shouldn't be too difficult.