If you want to keep ADP for payroll but use BambooHR for HR/benefits, the integration cost usually comes down to employee count, the number of fields you need mapped, and whether you need one-way or two-way sync. For mid-market implementations, plan on a per-employee-per-month fee plus a one-time setup cost, and an implementation timeline of ~4–10 weeks depending on complexity.
What “ADP ↔ BambooHR integration” usually means
Most teams are trying to connect BambooHR (system of record for employee data) with ADP (system of record for payroll). In practice, an integration typically includes two categories of sync:
Photo by Loui Kiær on Unsplash | BambooHR ADP integration planning
1) BambooHR → ADP (payroll-ready employee data)
Common data flows include:
New hire + rehire creation
Employee demographic updates (name, address, SSN where applicable)
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