A professional contract packing production line working to an agreed customer brief

Contract packing explained

What is contract packing?

A plain-English guide to co-packing, repacking, hand packing, labelling and kitting—and when each route may help your business.

Updated 26 August 2026 · Written for UK business buyers

The short answer

Contract packing is
outsourced packing work.

A contract packer receives goods or components and completes an agreed pack build, assembly, labelling, repacking or finishing process for another business.

Co-packing is commonly used as another name for the same service. The customer and packer agree what arrives, what work is performed, what the finished result must be, how it is checked and where the goods go next.

When contract packing is useful

A business may manufacture or import a good successfully but still need an external resource before it is retail-ready, campaign-ready or ready for its next supply-chain step. The pressure could come from volume, timing, a manual task, a pack change or stock that requires correction.

Outsourcing is most useful when the project is specific. “Pack our products” leaves too many unknowns. “Receive these labelled units, add one approved insert, place twelve into each outer case and complete 6,000 units by this date” is much closer to a reviewable brief.

Contract packing is not automatically fulfilment

Contract packing changes or builds the pack. Fulfilment usually stores finished stock, picks customer orders and dispatches parcels. Some companies provide both; others specialise. Ask what is included rather than assuming the two services are interchangeable.

The product determines the operating requirements

Food, pharmaceutical, hazardous, temperature-sensitive, high-value and other specialist goods can require particular approvals or controls. Do not infer suitability from a generic service page. Disclose every relevant product and handling requirement during the first review.

Service comparison

Which packing term
matches the job?

The boundaries can overlap. Choose the closest description and explain the complete workflow.

ServiceWhat it meansA typical reason to enquire
Contract packing / co-packingAn external company completes an agreed packing stage or finished pack build.A launch, seasonal peak, repeat run or temporary capacity requirement.
Hand packingPeople complete detail-led packing, insertion, arrangement or assembly work.The build has several components, variants or presentation requirements.
Repacking / reworkExisting stock is changed, corrected or moved into a different approved format.Labels, packaging, configuration or presentation need correction.
Product labellingApproved labels are applied to a defined product or pack position.A new barcode, campaign, information or replacement label is required.
Kitting & assemblySpecified components are combined into one finished kit, set or pack.Several items must arrive together in a controlled configuration.
Promotional packingGoods and campaign materials are assembled for a fixed commercial activity.A launch, sample, event, gift or seasonal pack has a critical date.

A better buying brief

Answer six questions
before asking for a quote.

These answers help a contract packer assess fit, time and work content without repeated clarification.

01 · Incoming goods

What arrives?

Describe the product, component, pack format, dimensions, condition, quantity and number of variants.

02 · Required work

What changes?

List each packing, label, insert, assembly, removal, inspection or finishing action in order.

03 · Finished standard

What does right look like?

Supply approved artwork, photographs, placement guidance or a reference sample where appropriate.

04 · Materials

Who supplies what?

Identify every approved packaging item, current stock status and responsibility for any material still required.

05 · Time

Which date matters?

State stock availability, required completion, launch or delivery date and any fixed downstream dependency.

06 · Handover

What happens next?

Define outer packing, identification, storage expectations and the next delivery or collection step.

A production technician checking an agreed packing or rework process
Production photography is representative.

The Stockholm Ltd viewpoint

Describe the task,
not just the outcome.

A useful project review depends on the real goods and real work. Similar products can require different materials, controls and handling routes.

  • Make unapproved and missing decisions visible
  • Separate each artwork or component version
  • Explain exceptions and unacceptable results
  • Share the date the wider business depends on
  • Do not send stock before the route is agreed
Send a reviewable brief

Contract packing FAQs

Plain answers to common buying questions.

These answers describe the service generally. An actual project still needs a product and process review.

Is co-packing the same as contract packing?

In most business searches, co-packing and contract packing describe the same general service: an external company performs agreed packing work for a brand, manufacturer or distributor.

What is the difference between contract packing and fulfilment?

Contract packing changes or builds the product pack. Fulfilment usually stores finished stock, picks customer orders and dispatches parcels. Some suppliers offer both, but they are different activities and should not be assumed to be included together.

When should a business outsource packing?

Outsourcing can help when a deadline, temporary volume, manual process, campaign, pack change or stock correction would otherwise create an in-house bottleneck or require permanent overhead.

Does every contract packer accept every product?

No. Fit depends on the product, required process, materials, volume, handling and regulatory needs, schedule and available operating route. Disclose specialist requirements in the first enquiry.

Ready to discuss the job?

Tell Stockholm Ltd what arrives and what must leave.

Send the product, process, quantity, materials, finished standard and date for a practical initial review.