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Quality Assurance

Ensuring Quality. Driving Success.

Expertise that empowers your projects.

We empower your projects by ensuring quality at every stage of the software development lifecycle to drive your business success in a rapidly evolving digital landscape.

Quality Assurance
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What’s trending?

Test excellence as a strategic enabler for digital transformation.

Across industries, we are witnessing rapid change driven by digitalization and the rise of GenAI-powered solutions. At the same time, companies must navigate the balance between dynamic regulatory requirements and the pressure for rapid market entry.

The result is increasingly complex technical environments and deeply interconnected digital solutions. To ensure excellent quality in this era of innovation, traditional testing approaches must be radically adapted.

  • 83%

    Organizations see faster automation as one of the greatest advantages of using GenAI to enhance test automation.1

  • Only 47%

    Organizations have implemented an enterprise-wide test automation strategy.1

  • 8,8%

    Average annual growth rate of the software quality assurance market.2

How we help

Our quality assurance services

More than testing – tailored QA solutions for your digital success

At ZDI, we understand that every digital product follows its own path. That’s why our QA services adapt to your processes, technologies, and timelines. Whether you need complete lifecycle support or targeted expertise, we seamlessly integrate into your quality management framework.We support your project across all QA phases:

  • Planning: Test management and test design
  • Execution: Implementation and execution of tests
  • Completion: Support until successful deployment

You can expect a QA partner dedicated to delivering precision, transparency, and measurable quality tailored to your unique business goals.

Focused expertise

that elevates efficiency, compliance, and innovation

In addition to the entire testing lifecycle, we offer a variety of specialized testing services aimed at maximizing the efficiency, security, and compliance of your software and hardware solutions. Our expertise spans various areas to ensure that your projects meet the highest standards and support your business goals.

Our quality assurance services

  • Test management

    Strategic, structured, and built for long-term stability.

    Our test management services not only ensure clarity and control but also align with your strategic goals by reducing risks and enhancing stakeholder confidence.

    Our expertise includes:

    • Development of comprehensive test strategies
    • Consulting for scalable test automation
    • Structured defect & quality risk management
    • Full transparency through traceability reporting
    • Continuous maintenance of all test artifacts

    With ZDI, your testing process becomes predictable, efficient, and aligned with business goals.

  • Test design

    A solid testing foundation that reflects your system’s real-world complexity.

    Our test design ensures that every test is meaningful, simulates real-world scenarios, covers critical functionalities, and aligns with requirements.

    We provide:

    • Architecture design for system & integration testing
    • Precise definition of test requirements
    • Derivation of clean, verifiable test conditions
    • Setup of realistic hardware & software test environments


    This structured approach supports you to reduce risks, increase test coverage, and ensures your product meets your quality needs.

  • Test implementation

    From concept to executable test cases.

    We turn your test design into actionable and efficient test structures that drive quality and accelerate your project's success.

    Our capabilities include:

    • Creation of high-value test cases
    • Organization through structured test suites
    • Preparation of test scenarios
    • Comprehensive test data management
    • Test automation & automated documentation

    You gain a clean, maintainable, and scalable test foundation that empowers your team to accelerate development and achieve your project goals.

  • Test execution

    Reliable execution. Transparent reporting. Faster issue resolution.

    We execute and optimize your tests to deliver accuracy, enhance performance, and ensure stability, helping you achieve reliable results that align with your business needs.Our services include:

    • Execution & optimization of test suites
    • Regression testing & bug re-testing
    • Continuous progress monitoring and reporting

    We ensure that every test run provides actionable insights and clear next steps, empowering you to make informed decisions at every stage.

  • Test deployment

    Confident releases supported by complete documentation.

    As your product approaches release, we equip you with everything necessary for a smooth, controlled transition into production, ensuring a successful launch that aligns with your business objectives.

    We deliver:

    • Finalized test documentation & reporting
    • Comprehensive metrics for decision-making
    • Process optimization based on testing insights
    • Professional handover to production & service teams

    Your release becomes predictable and secure, supported by robust evidence ensuring reduced risk, and faster time-to-market.

Focused expertise

  • We introduce automated testing strategies that enhance your product quality, reduce manual effort, and ensure consistent validation, while streamlining your development workflows and supporting scalable compliance, driving efficiency and aligning with your business objectives.

    You receive:

    • A detailed analysis report
    • Clear optimization recommendations
    • An actionable implementation roadmap
    • Transparent cost & savings projections

    Ideal for those aiming to modernize and scale effectively, while adapting product quality to achieve business growth.

  • We analyze your software systems to identify inefficiencies, scalability barriers, and unnecessary cost drivers, empowering you to optimize performance and achieve your business objectives efficiently.

    You receive:

    • A clear target state for automated validation testing tailored to your business needs
    • Knowledge of features and tools required to build an integrated future-proof automation framework
    • Best practices and real-world insights
    • Executive Summary for internal stakeholders

    Ideal for organizations aiming to modernize and scale efficiently.

  • We evaluate your devices to ensure operational safety, enhance efficiency, and confirm compliance with intended use, supporting your business needs and regulatory requirements.

    Our support includes:

    • Traceability matrices
    • Structured defect management
    • System & integration testing
    • Accelerated stabilization and validation

    Perfect for hardware-driven, safety-critical, or regulated environments.

  • We test complex systems across diverse use cases to ensure reliable interactions across components and platforms, helping you achieve seamless integration and support your business objectives.

    We offer:

    • Tailored system test strategies
    • Execution of multi-layered scenarios
    • Automated documentation solutions
    • On-site or cloud-based testing environments

    Designed for companies managing complex ecosystems and strict compliance requirements.
     

  • Automation accelerates delivery and increases reliability, empowering you to achieve faster time-to-market and consistent quality. We support you from early planning through to operational rollout, ensuring alignment with your strategic business needs.

    Our solutions cover:

    • Automation strategy & framework selection
    • Implementation of test automation pipelines
    • Validation of functionality, performance & compliance
    • Enabling continuous feature development
    • Automation that grows with your product.
       

  • We ensure that your GenAI solutions meet the required standards for safety, transparency, and compliance, enabling you to confidently leverage AI technologies while achieving your business goals and maintaining stakeholder trust.

    Our support includes:

    • End-to-end evaluation of AI models
    • Human-in-the-loop quality reviews
    • Compliance and risk assessments
    • Guidance from concept to deployment

    We help you adopt AI responsibly — with confidence and clarity.

Why us?

Innovative solutions based on experience and expertise.

With decades of experience and deep expertise, we provide tailored solutions that address your specific challenges and drive your business success. Our expertise spans AI quality assurance to integrated teamwork, ensuring the highest standards and efficiency. Trust us to execute your projects successfully to shape your future markets.

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    Comprehensive AI quality assurance

    We ensure quality and compliance on your AI journey through human-in-the-loop reviews, model evaluations, and post-deployment monitoring to maintain effective and reliable solutions.

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    Tailored testing solutions

    We combine our testing expertise with your profound understanding of your unique environment and customer needs to deliver tailored test cases that produce impactful and actionable results.

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    Navigating regulatory standards

    Our team has deep expertise in regulated environments, guaranteeing effortless compliance with industry standards and guidelines, thereby minimizing risks and enhancing operational efficiency.

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    Decades of excellence

    With over twenty years of experience, we have collaborated with industry leaders to consistently deliver outstanding quality assurance, driving excellence and innovation in their operations.

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    Integrated teamwork

    Drawing on our extensive experience, we seamlessly integrate with your teams through swift onboarding and streamlined process implementation, fostering effective collaboration and enhancing productivity.

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    Best practices

    We implement industry best practices, drawing from our extensive experience with diverse clients, domains, and tech stacks. This ensures our solutions are innovative and efficiently meet your specific quality standards.

Our references & insights

Explore our case studies and insights to see how we have helped businesses like yours achieve their digital transformation goals.
Accelerated innovation cycle through test automation

Accelerated innovation cycle through test automation

Implemented for Carl Zeiss Meditec AG
Reference
Medical Device Connectivity: Opportunities and Challenges

Best Practices for Connected Medical Device Testing

How to conduct quality assurance of complex connected medical solutions?
Whitepaper

Our blogs posts on Quality Assurance

Blog

Get in touch with our QA specialists!

Use our contact form to connect directly with our team. We look forward to answering your questions and assisting you in achieving your quality goals.

Image of Roswitha Gostner
Roswitha Gostner Head of Quality Assurance

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Deep industry expertise

for tailored digital solutions

We combine software expertise with industry-specific knowledge to develop tailored solutions that address complex digitalization challenges.

Discover our industry specializations

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Take a look at our job openings. We look forward to meeting you.

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