The sticker price for offshore plastic manufacturing looks compelling on paper. In fact, it can seem impossible to ignore.
But, at some point you might find the dream slipping away, with larger bills than expected, poor-quality parts with limited customer service, and strange adaptions to your product you hadn’t explicitly permitted.
Of course, the worst-case scenario doesn’t always materialise. Though it still pays to be aware of the signs. Here’s what typically doesn’t appear on the offshore quote and your alternatives.
What “Cheap” Buys You
The unit price on an offshore quote reflects the cost of moulding the part and nothing else.
Freight, inspection, storage and post-delivery corrections all accumulate on top of the quoted figure. In accounting terms, unit price is one element of the total cost of ownership, and the remaining elements often exceed the cost of the moulded parts themselves.
Some of these costs are predictable, while others only crop up down the line.
The Costs That Don’t Appear on the Quote
The most common hidden costs across the projects we see include:
- Freight and duties: Asia-Europe container rates hit over $4,700 per 40ft container in late 2025, according to Drewry’s World Container Index. Add UK import duty, port fees, and inland haulage, and freight alone can add 15–25% to unit cost.
- Extended lead times and inventory: Six to twelve-week transit means larger safety stock, more working capital tied up in inventory and less flexibility when demand changes
- Quality failures and rework: A batch that arrives out of spec is a problem. Returning it isn’t practical, and scrap on thousands of parts is expensive.
- Communication and iteration delays: A design change that takes a week to agree with a local supplier can take a month or more.
- IP risk: Tooling ownership, design confidentiality, and the practical difficulty of enforcing contract terms in another jurisdiction.
- Carbon footprint: Increasingly a factor in customer procurement decisions and, in regulated sectors, in tender scoring.
A Worked Cost Comparison
Take a mid-volume plastic part running at 50,000 units a year, with an offshore unit price of £0.65 against a UK equivalent of £1.10.
The offshore quote looks obvious at first glance. Adding the full cost of ownership tells a different story.
| Cost element | Offshore (£/unit) | UK (£/unit) |
| Unit price | 0.65 | 1.10 |
| Freight and duties | 0.18 | 0.05 |
| Inventory carrying (10 vs 2-week lead time) | 0.09 | 0.02 |
| Quality failure allowance (3% vs 0.5%) | 0.06 | 0.01 |
| Design iteration support | 0.04 | Included |
| Total | £1.02 | £1.18 |
Why Manufacturing Companies UK Businesses Trust Are Winning Contracts Back
The response to all of this? Bringing manufacturing back to the UK. Make UK’s 2026 Executive Survey found that around 40% of UK companies had reshored suppliers in the previous 12 months, with a similar proportion planning the same over the next year.
Buyers who once looked exclusively overseas are checking their options again with plastic manufacturers UK-side, and finding themselves pleasantly surprised.
The costs are levelling, but you gain so much more than just value-for-money on the production side with a domestically-based team you can visit and trust.
Talking to BEC About Injection Moulding UK
BEC is an injection moulding UK company based in New Milton, Hampshire, producing bespoke plastic parts for clients across automotive, marine, biomedical, and industrial sectors.
We’re ISO 9001:2015 certified, Made in Britain accredited, and members of the UK’s Reshoring Initiative. If you’re currently sourcing overseas and want to see what UK production would truly cost, get in touch.
