Why Supply Chain Belongs in Your First Design Review
Every MedTech entrepreneur eventually faces the same trap: you’ll either be out of compliance on your design controls, or you’ll be waiting on parts. Sometimes both.
We see it constantly. A founder is laser-focused on the design and the technology that makes their device different. Sourcing feels like something you figure out later, after the design is locked. So it gets pushed to the back of the roadmap, treated as a tactical problem to solve when the time comes.
Then the time comes, and there’s no time.
Suppliers won’t commit to timelines. Parts that looked easy to source turn out to require six-month lead times. Every design change you’ve made since you started talking to manufacturers has reset the clock. The budget bleeds, and the investors start asking pointed questions.
This is why we feel sourcing is not a downstream problem. It belongs in your design conversation from day one.
Why Sourcing Gets Pushed to “Later”
The visionary mindset is a strength. It’s what gets a medical device from idea to patent to working prototype. But it has a blind spot.
When you’re deep in the design, the technology problem feels like the only problem worth solving. Supply chain logistics feels like an execution detail you’ll hand off when the time comes.
In our work with early-stage MedTech founders, this is the single most common pattern we see. The team is brilliant on the engineering side, and almost completely unprepared on the sourcing side. By the time they’re ready to build, they discover that their design relies on components with twelve-week lead times, or a custom polymer that only one supplier makes. (In Germany.)
Now the founder has two bad options: Redesign around what’s actually available, which means updating design controls and potentially restarting risk assessments. Or wait for the parts, which means burning cash and missing milestones.
Both of these scenarios are avoidable.
What Manufacturers Actually Want From You
Your manufacturer is not there to work for you. They are there to make money on your commercial sales. That distinction matters more than most founders realize.
Just-in-time manufacturing has been around for decades, and it works beautifully for established companies with predictable volume. However, it works very differently for early-stage startups. Most contract manufacturers will not guarantee timelines for a startup unless you’re prepared to pay for that guarantee. Their best customers are the ones placing recurring high-volume orders; that means that, from their perspective, your one-off pilot run is a gamble.
This changes how you should approach the relationship.
We tell our clients to negotiate with respect. Don’t grind your potential manufacturing partner on price during early conversations. If you push too hard up front, you’re guaranteed to find yourself at the back of the line when something goes sideways later. (And, trust us, something will always go sideways.)
Be honest about your readiness. We’ve watched founders inflate their volume projections or downplay design risk to get a manufacturer’s attention, and it never works. Manufacturers see those red flags daily. They know exactly what an unprepared startup looks like.
One more thing: don’t expect custom processes if you also want to move quickly. New equipment and new processes are how you guarantee delays. The fastest path to production is usually the one that uses what your manufacturer already runs.
The Money You’re Not Budgeting For
Most early-stage budgets we review have the same gap: they account for the parts, but not for what it actually takes to make the parts the first time.
NRE (non-recurring engineering expense) is the first surprise. This is the upfront cost your manufacturer charges to set up tooling and processes for your product. Founders often treat it as a one-time line item, but NRE recurs every time you make a meaningful design change. If you’re still iterating on your design when you start production conversations, factor that volatility into your budget. We’ve seen NRE costs double or triple on programs where the design wasn’t stable enough.
The second surprise is the unit cost on the first builds. Your first 10 to 20 pieces can easily cost 10 times your target unit cost. If your product sells for under $50, that math gets ugly fast, and it shapes how you should be thinking about pilot runs from the beginning.
The third surprise is capital equipment. Tooling and dedicated equipment to manufacture your device often run two to three times the bill of materials cost. That’s a real number that has to land somewhere in your funding plan.
If your product is sterile, add one more layer. Most sterile contract manufacturers want run rates of 5,000 to 10,000 units per month before they’ll give your program serious attention. Below that threshold, you’re a low priority on their floor, regardless of how exciting your technology is.
Sourcing as a Design Conversation
The fix is simple to describe and harder to do: bring sourcing into the design conversation from day one.
We help our clients smooth the handoff between design controls and supply chain so they aren’t stuck choosing between compliance and parts. In practice, that means engaging potential manufacturing partners early, even informally, to understand what your design will actually cost to make at the volumes you’re projecting. It means testing early parts through your intended process so you know whether you’re on target before you commit. And it means budgeting honestly for the cost realities we just walked through.
This is the work we do alongside our clients. We’ve seen what happens when entrepreneurs skip this step, and we help them avoid it.
The Takeaway
You will think about sourcing eventually. You’ll have to. The question is whether you do it now, on your terms, or later, when it will almost certainly cost you time and money you don’t have.
If you’re early in development and you haven’t yet mapped sourcing into your plan, that’s exactly the conversation we’d like to have with you. Schedule a call and let’s make sure your build doesn’t stall when it matters most.
Justin Bushko
President, Concise Engineering
Next Steps
We hope you find this newsletter valuable and insightful.
If you have any questions, if you have feedback or would like to explore any specific topics further, please feel free to reach out to us.
Please email me at jbushko@concise-engineering.com or to book a call with me, click this link.
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