Kitting and Assembly Services in Canada: What 3PLs Actually Do and What It Costs
Kitting is one of the most valuable but least understood services a Canadian 3PL can offer. Brands that use kitting effectively reduce packaging costs, increase average order values, and create unboxing experiences that drive word-of-mouth. Those that try to do it themselves beyond a certain volume run into a wall.
This guide explains exactly what kitting and assembly services involve, how they're priced in Canada, and when outsourcing this function is the right decision. For context on broader 3PL pricing in Canada, see our 3PL fulfillment cost guide.
What Is Kitting in Fulfillment?
Kitting is the process of combining multiple individual SKUs into a single ready-to-ship package. The output of the kitting process is a new, composite SKU — the kit — that is stored and shipped as a single unit.
Examples of kitting in practice:
- A skincare brand sells a "starter kit" containing a cleanser, toner, and moisturizer — three separate SKUs assembled into one retail-ready kit
- A coffee brand assembles 5 different single-origin samples into a sampler box
- A toy brand bundles a product with accessories and batteries into a gift-ready box
- A B2B brand assembles product samples and marketing materials into a prospecting kit for sales reps
Assembly goes a step further — it might include inserting product into custom packaging, applying labels, adding tissue paper and inserts, or assembling flat-pack components into a finished product.
How Kitting Works at a 3PL
When you partner with a 3PL for kitting, the process looks like this:
1. Kit definition: You provide a bill of materials (BOM) — a document specifying exactly which components go into each kit, in what quantity, and in what order or arrangement.
2. Component receiving: All individual SKUs arrive at the warehouse. They may arrive from your suppliers directly or from existing inventory.
3. Assembly: Warehouse staff assemble the kits according to your BOM, with quality control checkpoints at defined intervals.
4. Labeling: The completed kit receives its own barcode/UPC, Amazon FNSKU, or channel-specific label.
5. Putaway: Kits are stored in your warehouse bin locations as their own SKU.
6. Fulfillment: When an order comes in for the kit, it ships exactly like any other SKU.
A good 3PL maintains version control on BOMs, documents kit yield (how many finished kits per component set), and reports waste or overage from each run.
Types of Kitting Commonly Used in Canadian E-Commerce
Retail kitting: Assembled into consumer-ready packaging for direct retail sale or Amazon FBA.
Gift set kitting: Seasonal or occasion-based bundles — Valentine's Day sets, holiday gift boxes, back-to-school kits.
Subscription box kitting: Monthly recurring assembly of themed boxes with multiple products. (See our full subscription box guide for details specific to this model.)
FBA bundle kitting: Creating Amazon-compliant multi-packs and bundles that qualify for their own Amazon listing.
B2B sample kitting: Assembling and shipping branded sample kits to wholesale prospects or trade show attendees.
Promotional kitting: Adding bonus items or promotional inserts to standard orders during a campaign period.
What Kitting Costs at a Canadian 3PL
Kitting pricing at Canadian 3PLs is typically structured as:
- Per-component fee: A charge per unit inserted into each kit (e.g., $0.10–$0.25 per component)
- Assembly fee: A flat fee per completed kit for the assembly labor (e.g., $0.50–$2.00 per kit depending on complexity)
- Materials: If the 3PL provides packaging materials (boxes, tissue paper, tape, inserts), these are charged at cost or with a small markup
- Setup fee: A one-time or per-run setup fee to configure the kit in the WMS and brief the assembly team (typically $25–$75 per kit SKU)
For a simple 3-component kit with branded packaging, total kitting costs at CanadiEx typically run $1.50–$3.00 per kit including labor and materials — far less than the cost of assembling in-house when you factor in labor, space, and management overhead.
When to Outsource Kitting
The decision to outsource kitting usually comes down to one of four triggers:
Volume threshold: If you're assembling more than 200–300 kits per month, the labor and space cost of doing it in-house typically exceeds the 3PL fee.
Complexity: Kits with more than 5 components, precise arrangement requirements, or fragile handling needs are difficult to manage reliably without dedicated assembly infrastructure.
Consistency: QC failures in kitting — wrong items, wrong quantities, poor presentation — damage customer trust. A 3PL with documented QC processes delivers more consistent results than ad hoc in-house assembly.
Amazon FBA compliance: Amazon has specific requirements for bundled products — including how they're packaged, labeled, and declared. A certified FBA prep center ensures your kits meet Amazon's standards.
Amazon FBA Kitting Requirements in Canada
If you're selling kitted products on Amazon.ca through FBA, there are specific requirements:
- Each kit must be sold as a single unit and cannot be separated at the fulfillment center
- The kit must have its own unique barcode (FNSKU or manufacturer barcode)
- Poly bagging may be required for kits containing small components that could separate
- The outer packaging must clearly indicate the kit's contents without misrepresenting individual item values
CanadiEx handles Amazon FBA kitting prep for Canadian sellers — including FNSKU labeling, poly bagging, and shipment to Amazon's Canadian fulfillment centers.
CanadiEx Kitting Capabilities
CanadiEx operates a dedicated kitting station within our Toronto warehouse. Our kitting capabilities include:
- Multi-component kitting up to 15+ components per kit
- Branded unboxing experiences: custom boxes, tissue paper, ribbon, inserts
- Subscription box assembly: scheduled monthly runs with QC documentation
- Amazon FBA kit prep: compliant packaging, FNSKU labeling, and FC shipment
- B2B fulfillment kitting: sample kits and prospecting packages
- Promotional insert programs: adding flyers, coupons, or bonus items to outbound orders
- WMS integration: every kit SKU tracked in real-time inventory
We work from a documented BOM for every kit, with photography of completed assemblies and digital QC sign-off for each production run.
Kitting for Amazon.ca: Specific Considerations
Amazon sellers have additional requirements when kitting products for FBA. Key points:
FNSKU for the kit, not components: The kit as a whole gets one FNSKU. Individual component FNSKUs should not be visible through the kit packaging — mask them if necessary. Amazon's scanners will scan whatever barcode they see first; if a component FNSKU is visible, it will be scanned instead of the kit FNSKU.
"Do not separate" labeling: Amazon requires a "Sold as set — do not separate" label on multi-component kits. This prevents FC staff from separating and individually selling components.
Poly bag requirements for kits with small components: If your kit contains small parts that could separate and become a choking hazard or safety issue, poly bagging may be required. CanadiEx applies poly bags with suffocation warnings to applicable kits.
Master carton configuration: When building FBA shipping plans, the number of kits per master carton must be declared accurately in Seller Central. CanadiEx creates shipment plans and applies carton labels as part of FBA kit prep.
For the complete guide to Amazon FBA prep in Canada, see our Amazon FBA prep requirements guide.
Kitting ROI: When Does It Pay Off?
Kitting adds fulfillment cost per unit. Whether it's worth it depends on the economics:
Higher selling price: A kit typically sells for more than the sum of its components sold separately. If a 3-component kit sells for $45 when the components sell for $12 + $15 + $10 = $37 individually, the $8 price premium covers the $2–$3 kitting cost and generates incremental margin.
Lower churn / higher LTV: Gift sets and starter kits often serve as customer acquisition products — the kitted format is more gift-able or more compelling as a first purchase. Higher initial order value increases customer lifetime value.
Amazon listing differentiation: A kitted product creates a unique ASIN that competitors can't easily match. This insulates you from the price compression that occurs when multiple sellers compete on identical ASINs.
Promotional velocity: Kitted bundles drive higher average order values during promotional periods (Black Friday, Prime Day, holiday) where customers are already in buying mode. For managing the volume surge these promotions create, see our peak season fulfillment Canada guide.
FAQ: Kitting and Assembly Services Canada
Do I need to provide my own packaging for kitting?
You can either ship your branded packaging to CanadiEx or we can source standard or custom packaging on your behalf. Most brands ship their boxes, tissue paper, and inserts directly to our warehouse.
Can kitting be done on-demand, or only in batches?
Both. For subscription-style fulfillment, we batch-kit on a schedule. For on-demand kitting where each order requires individual assembly, we kit as orders arrive — though batch kitting is significantly more cost-efficient.
How do you handle QC for kitting runs?
CanadiEx uses a documented BOM with photo reference for each kit. Our team performs spot checks at defined intervals throughout the run and a full count at completion. Photo documentation of completed assemblies is available for your records.
Can you handle seasonal kitting at high volumes (e.g., 5,000 kits before Christmas)?
Yes. CanadiEx plans large seasonal kitting runs well in advance, dedicating assembly capacity and scheduling vendor inbound receiving to align with your kitting timeline.
Does CanadiEx handle co-packing or manufacturing, or only assembly of finished goods?
CanadiEx handles light assembly and kitting of finished goods. We do not perform manufacturing or chemical processing. For complex product assembly requiring specialized equipment, we can discuss on a case-by-case basis.