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The Ultimate Factory Vetting Guide: 20 Questions to Ask Before You Manufacture
Choosing a manufacturing partner is one of the most high-stakes decisions an e-commerce entrepreneur or brand manager can make.
Before choosing a supplier, ask these essential factory vetting questions to ensure quality, sustainability, and strong manufacturing partnerships.
At Nearshore, we do the heavy lifting of preliminary research on our factory partners in Latin America and the USA. However, just as you would verify a new pediatrician or a high-end service provider, you need to conduct your own "due diligence" interview.
To help you navigate your next sourcing meeting, we’ve curated the essential factory vetting checklist for 2026. These questions ensure your brand's quality, ethics, and bottom line are protected.
10 Essential Questions for Every Manufacturing Partner
Whether you are producing apparel, cosmetics, or hard goods, these foundational questions help you gauge if a factory is a legitimate fit for your scale.
- Product Specialization: If your product requires specific techniques, equipment, or expertise, make sure that the factory aligns with all your manufacturing needs. Check to see what primary & secondary product categories they specialize in.
- Portfolio Review: Can you share case studies or links to products you’ve recently manufactured that align with our specific requirements?
- Service Model: Is this "Full Package" (FPP) manufacturing, or am I responsible for supplying raw materials (CMT)?
- Order Quantity: Does the factory work with big brands, or small/medium businesses? Do they have high or low MOQs (Minimum order quantities). Check with potential factories on what size orders they prefer.
- Certifications: Does your product need to be organic, FDA certified, etc.? Check to see what certifications the factory holds and ask for the most recent certificate for your records.
- Payment Terms: How does the factory take payments? Do they accept credit cards, checks, bank transfers, etc.? Do they allow for NET 30, payment up front, etc.? Are there any unexpected fees or charges you should be aware of?
- Conflict Resolution: How do you handle production errors or quality issues? If a product is damaged, what is the agreed upon method of resolution?
- Logistics & Lead Times: What is your current monthly production capacity, and what are your standard lead times from PO to shipment?
- Quality Control (QC): What specific QC measures are in place at the cutting, sewing, and finishing stages?
- Transparency: Can I visit the facility? We value seeing the floor before production starts and conducting a final inspection before the goods ship.
Pro-Tip: Familiarize yourself with Incoterms, a standardized set of terms created by the International Chamber of Commerce. The terms & their associate rules provide you and your manufacturing partners with the tools to define who handles shipping, insurance, and customs based on your capabilities and needs. Learn more about Incoterms here.
Going Deeper: Sustainability and Ethics Sourcing
If sustainability is part of your brand ethos, don’t take "we use recycled poly" as a sufficient answer.
3 Questions for Sustainable Factory Sourcing
- Waste Mitigation: Beyond end-of-life recycling, what steps do you take during production to reduce fabric or material waste?
- Tier 2 Transparency: How do you ensure your fabric mills and trim suppliers follow the same environmental standards you claim?
- Chemical Management: How do you manage and dispose of production byproducts (like dyes or chemical runoff) to prevent environmental damage?
4 Questions to Verify Ethical Working Conditions in Manufacturing
Nearshoring in regions like Latin America often offers better alignment with Western labor standards, but you should always verify the human element.
- Overtime Ethics: How is overtime managed, and what is the maximum number of hours a staff member is allowed to work per week?
- Holistic Benefits: Do you provide health insurance or additional social benefits to the entire production team, not just management?
- Work-Life Balance: What does the Paid Time Off (PTO) policy look like for your production operators?
- Safety Culture: What specific safety training programs are mandatory for your floor staff, and how often are they updated?
Pro Tip: Look for certifications like WRAP, SA8000, and SMETA for proof of ethical manufacturing. You can also login to your Nearshore account to search factories by certification!
Understanding Manufacturers with Full Package Process (FPP)
If you are looking for a "turnkey" solution where the factory handles everything from sourcing to sewing, use these three targeted questions:
- Development Team: Are your product developers and pattern makers in-house, or do you outsource the technical design?
- Supply Chain Reach: Where do you source your raw materials, and do you have "preferred" status with those mills to ensure priority?
- Onboarding Timeline: What is the exact step-by-step process from the moment you receive my tech pack to the day we are "production-ready"?
The Golden Rule of Factory Vetting
The goal of this process isn't just to "check boxes"—it’s to find a partner whose core values align with yours.
One final piece of advice:
- Don’t overwhelm the factory: Do not send all 20+ questions in your first email! You’ll likely be ignored. Start with 2–3 "deal-breaker" questions in your initial outreach. If the response is professional and timely, move to a video call where you can turn these questions into a natural conversation.
- Trust your gut: If a factory’s terms or behavior trigger red flags, don’t ignore them. Never commit to a contract unless you are entirely confident in the manufacturer's integrity. While sub-par emails or language barriers can cause friction, they shouldn't be an excuse for ambiguity. If you’re uncertain, jump on a video call or phone to iron out the details; a real-time conversation is often the quickest way to distinguish a simple misunderstanding from a bad deal.
Vetting is a lot easier in your time zone! Connect with Nearshoring factories for free by submitting a sourcing request.
Navigating the world of global manufacturing is complex, but you don't have to do it alone. Nearshore specializes in bridging the gap between innovative US brands and high-quality US, Latin American, and European factories. We’ve already vetted the ethics, the quality, and the capacity—so you can focus on growing your brand. You can submit a sourcing request for free.
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