Somewhere between a quote and a purchase order there is real engineering work, and someone is paying for it either way. Here is what a paid scoping engagement should get you, and how to tell a good one from a sales tactic.
Why free quoting stops working
A quote against a defined kit is fast and should be free. You bring a complete specification, the supplier prices it, everyone knows what they are buying.
The problem is that most new programs are not defined. The device is chosen but the preservation chemistry is not. The chemistry is chosen but nobody has confirmed it is compatible with the tube. The tube is chosen but the fill volume has never been tested against the assay. Those are engineering questions, and answering them takes sourcing, sample builds and often physical testing.
When that work is free, three things happen. It gets rationed, so you get the fastest answer rather than the right one. It gets biased toward whatever the supplier already stocks, because exploring alternatives costs them money. And it gets recovered in the unit price, which means the customers who did their homework subsidize the ones who did not.
Paying for it separately fixes all three. It also gives you something a free quote never does: leverage, and a deliverable you own.
What should still be free
- A price against a specification you provide
- A capability conversation about whether they can do this at all
- A plant tour or a quality system overview
- A reference or two
- A rough order of magnitude on a well understood kit type
If a supplier wants money for any of those, walk.
What a scoping engagement should actually deliver
The deliverable is a document, not a meeting. It should be specific enough that you could hand it to a different supplier and get a comparable quote, and if it is not, you bought a sales presentation.
- A finished bill of materials with real part numbers, real specs, and named sources
- The assembly process as it would actually run, step by step, with the checks identified
- The label schedule, including placement, variable data and who controls the artwork
- The packaging configuration, including the shipper and the return path
- The open technical risks, stated plainly, with what it would take to close each one
- Any testing that was performed, with the results, including the results that were inconvenient
- A production timeline with the long lead items called out
- The regulatory questions that need an owner, even where the answer is not the supplier’s to give
A physical sample kit should come with it. Not a rendering. An assembled kit you can hold, open, and hand to the person who has to explain it to a patient.
The version worth paying more for
A single path scoping tells you whether one approach works. A deeper engagement compares approaches, and for anything genuinely novel that is the one to buy.
It should include sourcing from more than one vendor for the components that matter, so you are seeing a market rather than a preference. It should include a cold chain specification if temperature is in play, with the shipper qualified against your real lane rather than a generic profile. It should include a working session where your technical people and theirs are in the same room, because the questions that matter tend to surface in conversation rather than in email.
And it should include testing on both sides where that is possible. A supplier who will run a compatibility or stability check in their own facility, and share the result even when it argues against their recommendation, is telling you something important about how the next two years will go.
How the money should work
The fair structure is simple. The engagement is paid up front, and it credits fully against your first production order. If you proceed, the work cost you nothing net. If you do not proceed, the supplier got paid for engineering they performed and you keep the deliverable and can take it elsewhere.
Ask for the credit terms in writing, including how long the credit stays open. Ask explicitly whether you own the output. A scoping deliverable you cannot take to another supplier is not a deliverable, it is a lock-in, and the whole point of paying was to avoid that.
Red flags
- The deliverable is described as a proposal rather than a specification
- No physical sample
- The fee does not credit against production
- You do not own the output
- Every recommended component is one they already stock, with no alternative considered
- No testing, and no explanation of why testing was unnecessary
- The risks section is empty
Related reading: What your kit BOM needs before anyone can quote it and Taking a collection device from prototype to pilot.
You are going to pay for the engineering either way. Paying for it directly is the version where you get the document, the sample, and the freedom to walk.
