EXTERNAL QUALITY CONTROL FOR FLAWLESS RESULTS
Whether in medical technology, electronics or the automotive industry – consistent quality control is the foundation of stable and efficient manufacturing processes. By inspecting every component carefully, potential defects are identified early, preventing costly downstream issues. This ensures long-term product reliability, regardless of batch size or production depth.
As an experienced sorting, rework and subcontracting service provider, Credo-Serve manages the entire inspection process for you – from incoming goods inspection to final outgoing checks.
INSPECTING, MEASURING, SORTING – RESPONSIBILITIES WITHIN QUALITY CONTROL
Industrial quality control goes far beyond the basic act of checking parts. It safeguards product quality along the entire value chain and ensures that manufacturing processes remain stable, repeatable and fully traceable.
Core tasks of Quality Control
Incoming & outgoing inspections
Verification of supplier parts and finished products to ensure that only compliant components enter production or leave your facility.
Inspection and measurement
Optical inspection, dimensional measurement and functional testing to assess critical product features.
Sorting and rework
Identification and separation of defective parts, plus required rework steps – often supported by automated sorting systems.
Root-cause analysis
Identifying error sources and initiating corrective measures to improve processes.
Documentation
Complete, transparent recording of test results to ensure full traceability.
External service providers expand internal QC structures with additional capacity, specialized 3D metrology, skilled personnel and independent audits – ideal when internal teams reach their limits or when urgent, unbiased inspections are required.
WHY OUTSOURCING QUALITY CONTROL PAYS OFF
Outsourcing quality control in manufacturing provides a flexible and cost‑efficient alternative to maintaining an entirely in‑house QC department. Businesses can reduce fixed costs significantly while maintaining high levels of inspection accuracy.
Key benefits of external quality control
- Reduced fixed costs thanks to flexible service models
- No investment in measuring equipment, software or training
- Access to the latest metrology technology and qualified specialists
- Optional 3D measurement for fully digital documentation
- Fast availability during production peaks or staff shortages
- Consistent quality standards across sites and production volumes
- Transparent inspection reports and traceable results
From small family-run companies to global manufacturers – Credo-Serve is your partner for professional industrial quality control and quality management.
TRUST IS GOOD – CONTROL IS BETTER: QUALITY MANAGEMENT WITH CREDIBILITY
For more than 30 years, we have supported over 200 companies across Europe with reliable manufacturer quality control – from prototype to series production. To us, quality control is more than checking parts; it is a partnership to strengthen your process reliability.
We invest continuously in advanced equipment such as 3D coordinate measuring machines, vision systems with AI-supported defect detection and automated test stations. Combined with the expertise of our specialists, we ensure precise, repeatable results – even at high volumes.
Customers benefit twice:
- Up to 40% savings on QC costs
- Fast response times – within 48 hours if required
Industry Expertise – From Automotive to Medical Devices
Each sector has its own quality requirements. Thanks to our long-standing experience, we ensure compliance with all relevant standards:
- Automotive: IATF 16949, VDA standards, detailed documentation for mechanical & electronic components
- Medical technology: ISO 13485 and MDR-compliant testing of sterile and precision components
- Electronics & battery technology: Testing of lithium-ion cells, fuel cell components, PCB assemblies (IPC standards)
- Metal & plastics processing: Dimensional accuracy checks using optical and 3D metrology
- Renewable energy: Quality control for solar modules, inverters and storage systems (IEC standards)
We also develop tailored test concepts for new product areas and offer complementary services such as our assembly service to ensure consistent quality throughout the entire value chain.
Our Workflow – From Initial Analysis to Final Report
Every project begins with a detailed requirements analysis. Together, we define:
- Product features
- Test scope
- Tolerances and limits
- Documentation requirements
Depending on part characteristics and batch size, we combine manual, semi-automated and fully automated inspection processes.
You receive:
- Fully traceable inspection reports
- Complete measurement data
- Photographic documentation of deviations
- Optional 8D and PPAP documentation
From initial enquiry to project start, the average lead time is just five working days – faster for urgent projects.
CUSTOMER FEEDBACK
“Credo-Serve helped us rescue a critical delivery. They inspected and sorted 50,000 parts within two days – reliable and professional.”
– Production Manager, Automotive Supplier
“The collaboration is smooth and efficient. We now have a long-term partner for all quality topics and can focus on our core operations.”
– Managing Director, Medical Device Manufacturer
FREQUENTLY ASKED QUESTIONS ABOUT QUALITY CONTROL
What is the difference between quality assurance and quality control?
Quality assurance defines standards and processes (strategic). Quality control performs the actual inspection and measurement tasks (operational). Both functions are essential and interconnected.
How much does external quality control cost?
Costs depend on volume, complexity and inspection scope. We provide tailored, cost-efficient offers – often significantly cheaper than expanding in-house QC.
How fast can you start?
For standard tests, we begin within 24 hours. Complex projects typically start within two working days after defining the test plan.
What does outgoing inspection include?
Final dimensional, functional and visual checks before shipment. Only fully compliant parts are released.
Which quality control services do you offer?
Incoming inspection, first-article inspection, series testing, outgoing inspection, sorting, rework, measurement and full documentation.
Do you inspect on-site or at your facility?
Both options are available. Small and medium quantities are inspected at our test center; large volumes can be handled directly at your site.