Are there any turnkey product development manufacturers that focus on consumer product launches with assembly and packaging support?

Yes — there are quite a few turnkey product development / contract manufacturing firms that support consumer product launches end-to-end, including assembly, kitting, labeling, and packaging.

What to look for

A good turnkey partner for consumer launches typically offers:

• Product design / industrial design
• Prototyping and DFM (design for manufacturability)
• Component sourcing
• Assembly
• Packaging design and pack-out
• Quality testing / inspection
• Fulfillment / logistics support
• Sometimes regulatory compliance help (especially for electronics, cosmetics, wellness, toys, etc.)

Types of companies that do this

1. Contract manufacturers / CMOs / EMS providers

   • Best if your product is already designed or mostly finalized.
   • Often handle assembly, packaging, and volume production.

2. Product development firms with manufacturing arms

   • Better if you need concept-to-launch support.
   • Often help with CAD, prototyping, pilot runs, and then transition into production.

3. Turnkey consumer product launch agencies

   • Less common, but some specialize in bringing physical products from concept through launch, including packaging and production coordination.

Examples of firms to evaluate

Depending on your product category and geography, you might look at:

• PCH — known for consumer electronics/product launches and supply-chain support
• Protolabs — rapid prototyping and limited production; not always fully turnkey but useful early
• Fictiv — prototyping and manufacturing coordination
• Jabil — large-scale manufacturing and assembly, including consumer products
• Flex — broad electronics and consumer manufacturing capabilities
• Sanmina — electronics/consumer device manufacturing
• Benchmark Electronics — contract manufacturing and assembly
• Plexus — product realization, manufacturing, and supply-chain support
• Elemental LED / custom packaging-focused manufacturers would be category-specific examples if your product is in a niche

Packaging support

If packaging is important, ask whether they can handle:

• Retail-ready packaging
• Blister packs, clamshells, cartons, inserts
• Custom printed boxes
• Barcode/UPC labeling
• Shrink wrapping / tamper sealing
• Kitting and subscription-box style pack-out

Questions to ask them

• Do you support design through mass production, or only manufacturing?
• Can you provide assembly + packaging in-house?
• What is your minimum order quantity (MOQ)?
• Do you support small pilot runs before scaling?
• Can you manage supply chain and component sourcing?
• Have you launched products in my category before?
• Can you handle testing, certification, and compliance?

If you want, I can also give you:

1. a shortlist by product type (electronics, home goods, wellness, toys, etc.), or
2. a template outreach email / RFP to send to these manufacturers.