Explore leading software testing companies that launch high-performing products, detect bugs early, improve stability, and ensure every feature works correctly across devices and environments. For teams focused on the US market, we also highlight trusted partners with region-specific expertise, including top US-based software testing companies.

Best Software Testing Firms

11 Companies-Rankings updated: October 21, 2026

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

Hardware & Networking × $10,000 - $25,000 ×
  • Hardware, Firmware & Embedded Software Under One Roof

    Droid Technologies is a top embedded systems development company providing full hardware design and firmware services. We deliver custom PCB design, Embedded GUI (LVGL/TouchGFX), and IoT Companion Apps. ISO 13485 compliant, we are trusted by MedTech, Industrial & Robotics clients globally...

    Top Services:

    • Product Design
    • IoT
    • Software Testing
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Kyiv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $39/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    39 Projects Listed

    Droid Technologies LLC Services

    • Product Design
    • IoT
    • Software Testing
    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Cisco
    • Dukane
    • InnovationLab
    • ENTTEC
    • Rand McNally
    • Gotinterface
    • Shotscope
    • Polarium
    • Controllino
    • Subpac
    Data sourced from the agency's DesignRush profile

    Droid Technologies LLC Reviews & Testimonials

    • Kevin Pfeil-Schmid
      Kevin Pfeil-Schmid Manager Electronic & Software Development at Flexoo GmbH
      5.0★

      Product Design Review from Kevin Pfeil-Schmid

      We have been working with this engineering partner for several years on the development of readout electronics for printed sensor technology, and our experience has been consistently outstanding. As one of their larger clients, we have scaled up to ten engineers working simultaneously across different disciplines, and the quality has always remained exceptional.Their team brings deep expertise in analog and digital electronics, sensor signal conditioning, embedded firmware, software development, and mechanical design. They understand the unique challenges of printed and flexible sensorsnonlinear responses, environmental drift, calibration strategies, and low-noise readoutand have repeatedly delivered robust, production-ready solutions.Their support in EMI/EMC pre-compliance and troubleshooting has been especially valuable. Their system-level understanding significantly reduced our certification risk and improved overall product reliability.Communication has always been clear, proactive, and efficient. Their engineers integrate seamlessly into our internal workflows, manage milestones professionally, and consistently deliver on time. They are flexible, fast in responding to challenges, and highly reliable during intense development phases.After years of collaboration, we can say with confidence that they are one of the most capable and trustworthy engineering partners for complex sensor electronics. We highly recommend them to any company seeking strong technical expertise, scalability, and long-term commitment.

    • Henrik Foss
      Henrik Foss Review from Google
      5.0★

      Henrik Foss's Review Sourced from Google

      An excellent source of expertise in electronics design and firmware development. Strong communication and professional throughout the engagement.

    • Kevin Pfeil-Schmid
      Kevin Pfeil-Schmid Review from Google
      5.0★

      Kevin Pfeil-Schmid's Review Sourced from Google

      We’ve been working with this engineering partner for several years, and the experience has been excellent. They supported us in the product development of readout electronics for printed sensors used in automotive measurement systems, delivering high-quality electronics, embedded software, mechanical design, and EMI/EMC support. The team is proactive, fast, and highly skilled—always reliable, easy to work with, and willing to go the extra mile when deadlines are tight. A truly outstanding and trustworthy partner. Highly recommended!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • AI-ready Senior Engineers and Dedicated Teams in ~60 hours

    Founder-led IT staff augmentation for small-mid companies. We solve problems you haven't fully scoped yet...

    Top Services:

    • eCommerce Development
    • Software Testing
    • AI Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Berlin, Germany
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed

    UASOFTDEV Services

    • eCommerce Development
    • Software Testing
    • AI Development
    • Mobile App Development
    • Software Development
    • VR/AR
    • Blockchain
    • Staff Augmentation
    • DevOps Consulting
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Dwelly
    • Managed IT Experts
    • Hazy
    Data sourced from the agency's DesignRush profile

    UASOFTDEV Reviews & Testimonials

    • Slava Kostiuk
      Slava Kostiuk Full-Stack (Python, Node.js, React) Developer and Flutter+Java+AI+AR Developer at UDS Systems
      5.0★

      Software Development Review from Slava Kostiuk

      We initially approached UASOFTDEV with a relatively straightforward request: a WordPress website and a Senior React/Node/Python Developer for backend and API development. What impressed us immediately was how quickly they understood our needs and delivered relevant candidates. We received the first 5 candidates within 60 hours, exactly as promised. The developers were skilled, experienced, and cost-efficient, so we decided to continue working with UASOFTDEV. Later, we returned with a much more complex project: an already-live AI beauty ecosystem combining a Smart Mirror, mobile app, AI skin analyzer, and AR makeup. This required a Senior Flutter Engineer who could join an existing team and work with Flutter, Banuba SDK, Java/native technologies, and a production environment. UASOFTDEV matched us with a senior Flutter engineer within 60 hours. He integrated quickly into our existing team and provided the 24/7 production support we needed. During the 5.5-month engagement, we delivered 10+ major features, shipped 15+ releases across 3 product environments, and launched 2 premium subscription features. What we valued most was the consistency of their approach. Production issues and new feature requests were handled quickly, communication was personal and responsive, and the team remained highly engaged throughout both projects. The fact that we came back to UASOFTDEV with a second, significantly more technically demanding AI/AR project is probably the strongest proof of our satisfaction. They successfully scaled from a simple staffing request to supporting a complex live product without losing the same level of responsiveness, quality, and personal attention.

    • Khrystyna Sliana
      Khrystyna Sliana Digital Marketing Manager at Red Jumpers Agency
      5.0★

      DevOps Consulting Review from Khrystyna Sliana

      We hired a DevOps engineer from UASOFTDEV to handle a multi-entity AWS infrastructure split. The project was completed on schedule, with zero downtime and great attention to security and data integrity. Recommended.

    • Leonid Viktorov
      Leonid Viktorov СЕО at Biz Adviser
      5.0★

      Dedicated Team Augmentation Review from Leonid Viktorov

      I am the CEO of Biz Adviser, a business consulting company. We work with companies on strategic business initiatives, digital transformation, and improving business performance. We partnered with UASOFTDEV when we urgently needed additional engineering capacity. I was looking for proven senior developers and did not have time to spend weeks sourcing candidates and conducting multiple interviews. UASOFTDEV offered to provide vetted Ukrainian developers within 60 hours, which was exactly what we needed. The team provided senior engineers with strong technical expertise and excellent communication skills. We worked with developers across PHP, Node.js, Python, and React, depending on the project requirements. They were reliable, proactive, and able to understand not only the technical tasks but also the broader business context. The developers contributed to several important initiatives, including the implementation of an AI agent, and helped us move projects forward faster while keeping development costs under control. UASOFTDEV delivered what they promised. The process was straightforward, communication was reliable, and the developers were able to start working quickly without compromising on quality. The pricing was a good fit for our budget, and the overall value for cost was excellent. I also appreciated the cultural fit and the team's ability to communicate effectively and take ownership of their work. I would definitely recommend UASOFTDEV to companies looking for reliable staff augmentation with senior Ukrainian developers. They are a trustworthy partner that can provide strong engineering talent quickly and help businesses deliver important initiatives without the overhead of a lengthy hiring process.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We build effective software development teams to deliver world-class engineering solutions.

    Capaciteam in Dublin, Ireland, is a cool company that's great at making custom software and hooking you up with awesome IT folks. They do all kinds of stuff like web and mobile development, cloud work, design, data management, quality assurance, project management, and more. With over ten years of doing their...

    Top Services:

    • Web Design
    • Software Testing
    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Show more
    Location
    Dublin, Ireland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    6 Projects Listed

    Capaciteam Services

    • Web Design
    • Software Testing
    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Cloud Consulting
    • IT Services
    • Cybersecurity
    • DevOps Consulting
    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Ryanair
    • Ornua
    • PGIM
    • DAA
    • KBC Bank
    • OPW Ireland
    • Personio
    • Logicalis
    • Invoicefair
    • Payslip
    Data sourced from the agency's DesignRush profile
  • We build products that have to work the first time.

    Pacific Design Engineering (PDE) is a full-service product design house in Burnaby, BC, with 38 years of experience and over 5,900 projects delivered. We bring electronics, firmware, software, mechanical design, and compliance together under one integrated team — taking complex products from concept to...

    Top Services:

    • Product Design
    • IoT
    • Software Development
    • Staff Augmentation
    • Web Design
    • Show more
    Location
    Burnaby, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $180/hr
    Minimal Budget
    $10,000 - $25,000

    Pacific Design Engineering (1996) Ltd. Services

    • Product Design
    • IoT
    • Software Development
    • Staff Augmentation
    • Web Design
    • Wearables
    • Software Testing
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • CAST Soft
    • Eaton
    • LED Dental
    • Kensington
    Data sourced from the agency's DesignRush profile
  • AI Driven Software Development Company

    Bacancy stands as a top Reactjs Development Company, offering secure, scalable, and sustainable React solutions. Specializing in diverse frameworks and applications, we provide up to 40% savings on costs and a dedicated team for tailored solutions, ensuring your business is primed for growth...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Web Design
    • VR/AR
    • Show more
    Location
    Florida, Massachusetts
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed

    Bacancy Services

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Web Design
    • VR/AR
    • Software Development
    • IoT
    • Software Testing
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Laura Odorczyk
    • Bryan
    • Gerry Dunne
    • Berlin
    Data sourced from the agency's DesignRush profile

    Bacancy Reviews & Testimonials

    • Gordon Nall
      Gordon Nall Review from Google
      5.0★

      Gordon Nall's Review Sourced from Google

      Over the past five years, we have steadily expanded our relationship with Bacancy Technology, increasing the number of engineers we engage through their team. As our partnership has grown, so has the value they deliver.What has impressed me most is how effectively their engineers have self-organized, shared knowledge, and cross-trained one another. Rather than operating as individual contributors, they function as a cohesive team, collaborating on complex challenges and supporting each other's success.Over time, we have entrusted them with increasingly critical and technically demanding work. They have consistently delivered high-quality results with minimal oversight from our onshore engineering team. Their professionalism, technical expertise, and ability to take ownership have made them a valuable extension of our organization.I would highly recommend Bacancy Technology to any company looking for skilled, reliable engineering talent and a true long-term technology partner.

    • Kunal Chavda
      Kunal Chavda Review from Google
      5.0★

      Kunal Chavda's Review Sourced from Google

      We partnered with Bacancy Technology for a mid-scale development project, and the overall experience was very positive. Their team demonstrated solid technical skills, especially in understanding our requirements and translating them into practical solutions. Communication was smooth, deadlines were respected, and any challenges that came up were addressed quickly and professionally.What I appreciated most was their structured approach and the consistency they maintained throughout the project. The final delivery met our expectations, and the support they provided post-launch was equally dependable. Good choice if you’re looking for a team that’s accountable and technically capable.

    • Thomas
      Thomas Review from Google
      1.0★

      Thomas's Review Sourced from Google

      Paid $3,560 for web development—received no usable work, no deliverables, and no meaningful communication. Contractual obligations were ignored. Extremely disappointing experience.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • End-To-End Embedded Product Engineering

    Jenex Technovation is an embedded product engineering firm that builds connected hardware, firmware, IoT platforms, cloud services, mobile apps, and AI/ML features for companies developing or scaling physical and digital products...

    Top Services:

    • Software Testing
    • Mobile App Development
    • IoT
    • IT Services
    • Engineering
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

    Jenex Technovation Pvt. Ltd Services

    • Software Testing
    • Mobile App Development
    • IoT
    • IT Services
    • Engineering
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Transportation & Logistics Industry
    • Software & IT Services Industry
    • Hardware & Networking Industry
    Data sourced from the agency's DesignRush profile

    Jenex Technovation Pvt. Ltd Reviews & Testimonials

    • Larry Kaufman
      Larry Kaufman Review from Google
      5.0★

      Larry Kaufman's Review Sourced from Google

      Jenex did a great job with our website. They were great listeners and took in all of our concerns and had lots of great ideas. They worked quickly and were easy to work with on doing revisions. I highly recommend them.

    • chauhan harkisan
      chauhan harkisan Review from Google
      5.0★

      chauhan harkisan's Review Sourced from Google

      it improves our carrier go to growth and helpful to life, with good company with good experience.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • My Expert Solutions provides custom software, web development, mobile app, UI/UX, digital marketing, cloud, cybersecurity, AI and IT consulting services. We help businesses build secure, scalable digital solutions that improve efficiency, attract customers and support long-term growth...

    Top Services:

    • Web Development
    • eCommerce Development
    • Web Design
    • Software Testing
    • Mobile App Development
    • Show more
    Location
    Leeds, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000

    My Expert Solutions Services

    • Web Development
    • eCommerce Development
    • Web Design
    • Software Testing
    • Mobile App Development
    • Software Development
    • IoT
    • CRM Consulting
    • IT Services
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • My Mobility UK
    • Affordable Stairlifts
    • Local Stairlift Prices
    • Reconditioned Stairlift Prices
    • Stairlift Cost UK
    Data sourced from the agency's DesignRush profile
  • Solutions technologiques pour entreprises au Maroc depuis 1999

    Somayar est un intégrateur technologique marocain basé à Rabat, spécialisé depuis 1999 dans les solutions de billettique et SAEIV pour le transport urbain, la radiocommunication professionnelle Hytera, les systèmes d'extinction automatique d'incendie Protecfire, la géolocalisation GPS et la gestion de...

    Top Services:

    • Digital Strategy
    • Wearables
    • IoT
    • Software Testing
    • AI Development
    • Show more
    Location
    Rabat, Morocco
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000

    Somayar Services

    • Digital Strategy
    • Wearables
    • IoT
    • Software Testing
    • AI Development
    • Mobile App Development
    • Software Development
    • IT Services
    • IT Compliance Solution
    • Engineering
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Maroc Telecom
    • OCP
    • Poste Maroc
    Data sourced from the agency's DesignRush profile

    Somayar Reviews & Testimonials

    • Bruce wong
      Bruce wong Review from Google
      5.0★

      Bruce wong's Review Sourced from Google

      very good company and partner, their solution is very professional. all their staff is very kind. good teams.

    • Benkam Kamal
      Benkam Kamal Review from Google
      5.0★

      Benkam Kamal's Review Sourced from Google

      had a great experience with Somayar. The team is very professional, organized, and reliable. They pay attention to details and make sure everything is done with high quality. Communication was smooth, and they were always helpful and respectful.I truly appreciate their work and would definitely recommend them to anyone looking for a trustworthy and professional company.

    • Ziad
      Ziad Review from Google
      5.0★

      Ziad's Review Sourced from Google

      A serious and innovative company.Somayar offers effective technological solutions tailored to the real needs of its clients. The team is responsive, competent, and attentive. A truly reliable partner for any digital or IT project. I highly recommend them!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Delivering Digital

    Wishtree is a product engineering services company focused on crafting secure, scalable digital solutions for global enterprises...

    Top Services:

    • Web Design
    • UI/UX Design
    • Web Development
    • AI Development
    • Software Testing
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed

    Wishtree Technologies Services

    • Web Design
    • UI/UX Design
    • Web Development
    • AI Development
    • Software Testing
    • Software Development
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Rexel
    • Rutgers
    • Vodafone
    • Xactly
    • IAS
    Data sourced from the agency's DesignRush profile

    Wishtree Technologies Reviews & Testimonials

    • Farha Mansuri
      Farha Mansuri Review from Google
      1.0★

      Farha Mansuri's Review Sourced from Google

      I had a very disappointing experience with their walk-in interview process. They posted about a walk-in drive along with a Google Form for registration. Nowhere in their LinkedIn post did they mention that candidates would require a personal invite to attend.I filled out the form and traveled over an hour in 40-degree heat while fasting, only to be told that I hadn’t received an invite and couldn’t interview. If a personal invite was mandatory, this should have been clearly communicated in the post. Additionally, if they were selecting candidates, they should have at least sent a rejection email so people wouldn’t waste their time traveling.This kind of poor organization and lack of communication is highly unprofessional. It reflects badly on the company and makes candidates feel like their time and effort are not valued. I hope they improve their process in the future to avoid misleading applicants.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Accelerate your success.

    Established in 2008, 3G Cell Labs has built a strong presence in various sectors such as Utility & Energy, Technology, Manufacturing, Healthcare, and Retail. Our expertise spans domains including Telecom/Wireless, IoT, Financial, Embedded Systems, and cloud deployment, enabling us to deliver comprehensive...

    Top Services:

    • IoT
    • Mobile App Development
    • Software Development
    • Software Testing
    • Cloud Consulting
    • Show more
    Location
    Hyderabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000

    3G Cell Labs Services

    • IoT
    • Mobile App Development
    • Software Development
    • Software Testing
    • Cloud Consulting
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Hall Labs
    • Care Life
    • Smarterhome
    • Andhra Pradesh Eastern Power Distribution Company
    • Telangana State Southern Power Distribution Compan
    • L&T Electrical & Automation
    • Schneider Electric
    • BCITS
    Data sourced from the agency's DesignRush profile
  • Engineering Intelligent Systems For The Real World

    Stackyzer is a product engineering company specializing in AI/ML, embedded systems, full-stack software, and multimedia engineering. We turn ideas into production-grade products, not prototypes that stall. Our engineers work across hardware and software, building real-time computer vision pipelines, edge AI...

    Top Services:

    • Product Design
    • AI Development
    • Software Development
    • IoT
    • Mobile App Development
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000

    Stackyzer Services

    • Product Design
    • AI Development
    • Software Development
    • IoT
    • Mobile App Development
    • IT Services
    • VR/AR
    • Software Testing
    • Wearables
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • AI Industry
    • Electronics Industry
    • Manufacturing Industry
    Data sourced from the agency's DesignRush profile

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Frequently Asked Questions About Software Testing Companies

What services do software testing firms provide?

Software testing companies provide different testing services to identify errors, security risks, performance issues, and how the software behaves in real-life situations and across devices. As part of their software testing service, they also check if each feature works as expected, fix bugs, make improvements, and make sure new software development updates don’t break existing functions, so the software quality remains stable. 

Core services include: 

  • Functional testing  
  • Performance testing  
  • Security testing  
  • Usability testing  
  • Regression testing   
  • Automation testing  
  • Accessibility testing    
  • Mobile app testing  
  • API testing  
  • Compatibility testing across devices/browsers  
  • Compliance testing  
  • Testing with artificial intelligence (AI) tools
  • QA audit 

How much do software testing services cost?

Hourly rates for QA testing range from $25 to $200+. The final cost is determined based on the size of the software or application, its complexity, required testing type, tech stack (custom-built and older legacy systems cost more), and niche.  

The rate will also depend on the seniority of the software tester. Across the United States, junior quality assurance (QA) tester may charge $70 to $110 per hour, while the rate for a senior QA mentor and automation engineer can range from $130 to $200 per hour.   

Special software testing services such as QA audit goes from $5,000 to $25,000. 

How can businesses know what type of software testing do they need?

Businesses can determine what type of testing solutions they need based on the potential impact of failures and the likelihood of defects. Namely, if they encounter:  

  • Core functionality issues: Use functional testing to verify features work as expected 
  • Unstable code or new features: Use unit testing for individual components and integration testing for modules working together 
  • Poor system stability after updates: Seek regression testing to make sure new changes didn't break existing features 
  • Performance and load issues: Use performance and load testing to evaluate speed and scalability 
  • Security issues: Security and penetration testing are commonly used across apps handling sensitive user data 
  • Hard-to-navigate user experience (UX): Pursue usability testing to determine how intuitive the application is for end users 
  • Low compatibility across devices: Compatibility testing can evaluate how good the app works on different browsers, devices, and OS versions 

There is also the option to choose between manual and automated testing.  

Is automated testing more expensive than manual testing?

As an investment, automated testing is pricier than manual testing but offers a lower cost-per-test over time as it can run the same scripts repeatedly, without human intervention. Conversely, manual testing entails lower upfront fee, but its cost grows linearly as the project grows, as every test cycle requires paid hours from QA testers.  

So, for short-term projects or ones with shifting requirements, manual testing is considered a more economical option, whereas for maintenance and regression cycles, automated testing grants better return on investment. 

The main distinction between these methodologies is that manual testing relies on human observation and interaction to identify defects, whereas automated testing uses software scripts to compare outcomes against predicted results.  

Manual testing is best suited for exploratory testing, usability assessments, ad-hoc bug hunting, and minor hotfix verifications where script development would be inefficient. Automated testing, on the other hand, is primarily used for regression testing to make sure the new code does not break existing features. 

How do businesses measure the effectiveness of software testing?

The effectiveness of the software testing is measured via: 

  • Code coverage: The percentage of the code that has been tested 
  • Defect density: The number of defects found per unit of code 
  • Test case effectiveness: The percentage of test cases that identify defects; helps prune redundant and ineffective tests 
  • Time to detect and fix defects: The time it takes to identify and fix software defects and software bugs 
  • Defect leakage: The number of bugs that "escaped" to production versus those caught during the testing phase Â