By Faith Artieda
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September 22, 2026
Signing with a 3PL can feel like the finish line after weeks of conversations, proposals, pricing, and warehouse visits. But the signature is really where the relationship begins. Before your first customer order leaves the building, your 3PL needs to turn everything discussed during the sales process into an operation that works for your brand every day. That transition matters. A good onboarding should make you feel more confident about the decision you just made, not leave you wondering what happens next. First, Your 3PL Gets to Know the Details During the sales process, your 3PL learns the larger story of your business. Once you sign, the questions become much more specific. What does your inventory look like? When are your busiest periods? How are orders received? Do certain products need special handling? Are there retailer requirements to follow? Do orders include branded packaging, inserts, kits, gift messages, or other details? This is where conversations become processes. Your team and your 3PL begin working through the information needed to build an operation around how your business actually functions. Then the Behind the Scenes Work Begins There is a lot happening before the first order ships. Systems need to communicate, inventory needs a home, and the people inside the warehouse need to understand what makes your business different.