Staffing and contract billing
Timesheets to invoice, pay and bill rates, gross margin per contractor, weekly billing, funding, and converting contract to perm.

Contract and temp work changes the math: revenue arrives weekly instead of once per placement, margin lives in the spread between pay rate and bill rate, and cash has to go out to contractors before it comes in from clients. These guides cover the billing back office for firms that do both direct hire and staffing.
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The contract staffing back office