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How 3PL Warehousing Works in 5 Simple Steps

Written by Aisling Graham | Jul 15, 2026 1:00:01 AM

3PL warehousing works through five linked stages: stock intake, inventory management, order picking and packing, shipping and delivery, and reporting. A third-party logistics (3PL) provider stores your branded merchandise, tracks stock levels in real time, and fulfills each order on your behalf, from a single onboarding kit to a bulk campaign shipment. Marketing and HR teams across the APJC region use this process to move stock without holding inventory in-house.

Related APJC logistics guides:

What Are the 5 Steps of 3PL Warehousing?

The five steps are stock intake and storage, inventory management, order picking and packing, shipping and delivery, and reporting and reordering. Each step hands off to the next, so a delay or an error in one step often shows up later in the process. The table below breaks down what happens at each stage and why it matters for your team.

Step What Happens Why It Matters
1. Stock Intake and Storage Staff check, count, and log stock into the warehouse system Catches missing or damaged items before they affect an order
2. Inventory Management Software tracks stock levels in real time and flags low stock Gives your team visibility without a phone call or a site visit
3. Order Picking and Packing Staff pull, pack, and kit items to match each order Turns separate products into a single welcome kit or event package
4. Shipping and Delivery The warehouse hands packed orders to a courier and prepares customs paperwork for cross-border shipments Cuts transit time and lowers the risk of a border delay
5. Reporting and Reordering The system updates stock counts and order history automatically Shows your team what to reorder before stock runs low

Step 1: Stock Intake and Storage

Step 1 starts the moment your stock arrives at the 3PL warehouse. Staff check the delivery against your order, count each item, and log it into the warehouse system before it goes into storage. Most warehouses use a coded shelving system, so the system tracks the exact location of each item you hold.

  • Accurate intake prevents stock errors later in the process, such as running short on an item during a busy campaign.
  • Staff flag a discrepancy, such as a missing carton or a damaged box, straight away and contact your team before the stock goes into storage.
  • Problems surface early instead of appearing weeks later, when the warehouse cannot fill an order.
  • For a company running an ongoing corporate store, this intake process repeats each time a fresh batch of stock arrives, rather than happening once at the start of a partnership.

Step 2: Inventory Management

Step 2 covers what happens to your stock once it sits in the warehouse. Inventory management software tracks stock levels in real time, so your team can check what you have on hand at any point, without a phone call or a site visit. The software also flags low stock automatically, so your team can reorder before an item runs out.

  • Marketing and HR teams get a level of visibility that a storage cupboard cannot match, since they know what they hold, where it sits, and how fast it moves.
  • Reports show how much of each item moved over a chosen period, which helps your team plan future orders around actual demand instead of a rough estimate.
  • Many 3PL providers run periodic stocktake audits, physically counting stock against the system records, to catch small discrepancies before they turn into a bigger problem.

What Happens in Step 3: Order Picking and Packing?

Step 3 begins once an order arrives, through a corporate store, an email request, or a bulk campaign request. Staff pull the correct items off the shelves, match them against the order, and pack them for shipping. Many 3PL providers also handle kitting at this stage, combining several items, such as a shirt, a notebook, and a water bottle, into a single kit. This step connects closely with corporate store kitting and fulfillment, where an online store triggers the kit build automatically.

  • A good 3PL provider packs items to survive transit, uses the right box size, and can add branded packaging or an insert.
  • Kitting needs planning ahead of time. A ten-item onboarding kit needs clear instructions on what goes into each kit and in what order, which most providers reuse for future orders.
  • Some providers handle light assembly beyond simple kitting, such as attaching a branded tag, adding a printed card, or wrapping an item in tissue paper. Confirm these extras with your provider ahead of time, since they add handling time to each order.

Step 4: Shipping and Delivery?

Step 4 starts once staff finish packing an order and hand it to a courier or shipping partner. Most 3PL providers offer a range of shipping speeds, so you can choose standard delivery for routine orders and express delivery for a time-sensitive item, such as a new starter's first-day kit. Providers with more than one warehouse can dispatch orders from the site closest to the delivery address.

  • Dispatching from the nearest site cuts transit time and often reduces cost, especially for orders heading to offices outside the home country.
  • Most providers send tracking information straight to your team or the recipient, so everyone knows when to expect the delivery.
  • For orders crossing into another country, most providers prepare the customs paperwork the shipment needs, which lowers the risk of a border delay.
  • A single order can split into multiple shipments addressed to different sites, such as a company-wide gift during a holiday period, without your team placing separate orders one at a time.

Step 5: Reporting and Reordering?

Step 5 happens after delivery, when the 3PL provider updates your inventory records and stock counts automatically. Your team can log into a portal to see order history, current stock levels, and shipping activity across all your locations. That step closes the loop on the process, showing you what moved, what remains, and what to reorder before stock runs low.

  • The data supports budget and campaign planning around actual usage patterns, instead of guessing how much stock to order next.
  • Many marketing and HR teams pull this reporting at the end of a financial year or a campaign, gathering a full record of what shipped, where it went, and how much stock remains for the next planning cycle.
  • If something goes wrong, such as a parcel lost in transit or an item arriving damaged, the same reporting system that tracks stock also tracks delivery problems, so providers can arrange a replacement quickly.

How Do the 5 Steps Work for a Real Order?

The five steps apply the same way to a single welcome kit and a large bulk shipment. The order size changes the scale of the work, not the process. The two examples below show how a small HR order and a large marketing order both move through the same five stages.

Sending a Welcome Kit to a New Hire in Manila

A company based in Sydney hires a new team member in Manila and wants a welcome kit to arrive on the first day.

  • Step 1: The HR team already holds kit stock in the 3PL warehouse, logged and ready to go.
  • Step 2: The HR manager checks the portal to confirm enough stock remains for the kit.
  • Step 3: Warehouse staff pull the shirt, notebook, and welcome card and pack them into a single box.
  • Step 4: The warehouse hands the box to a courier with a delivery window that lands before the new starter's first day.
  • Step 5: The system updates stock counts, and the HR manager gets a tracking link to confirm delivery before day one begins.

Shipping 200 Event Bags to a Conference in Sydney

A marketing team needs 200 event bags shipped to a conference venue in Sydney.

  • Step 1: The bags already sit in the warehouse, logged and counted.
  • Step 2: The marketing coordinator places one order for the full quantity of 200 bags.
  • Step 3: Warehouse staff pack the bags into cartons.
  • Step 4: The cartons ship to the venue ahead of the event date.
  • Step 5: The stock count updates once the shipment leaves, so the coordinator knows exactly how many bags remain for future events.

Frequently Asked Questions About 3PL Warehousing

How long does it take for an order to ship after it comes in? Many 3PL providers pick, pack, and dispatch a standard order the same day or within 24 hours, depending on the order size and the shipping option you choose.

Can a 3PL provider handle custom kits, such as onboarding boxes? Yes. Kitting is a standard service at most 3PL warehouses, where staff assemble several items into a single box or kit before shipping.

Do I need special software to track my stock? No. Most 3PL providers give you access to their own portal, so you can check stock levels and order activity without buying separate software.

What happens if an item is out of stock when an order comes in? Most 3PL providers flag the shortage straight away through the reporting system, so your team can reorder stock or adjust the order before a delay affects the recipient.

Does the process change for a bulk order compared to a single kit? The five steps stay the same, but a bulk order usually needs advance notice, so the warehouse can schedule staff and courier capacity ahead of the shipment date.

Talk to Over the Top Promotions About 3PL Warehousing

Over the Top Promotions sets up 3PL warehousing for branded merchandise programs across the APJC region, covering stock intake, kitting, and shipping timelines for onboarding kits and campaigns.

Feel free to book a call with us!