All Quality Assurance Services in the United States
TRIARE
4.9(11 reviews)TRIARE unlocks IT potential of YOUR business
TRIARE is a WEB and MOBILE software development company based in Europe. We are delighted to offer our services as your long-term partner, taking all technical matters off your shoulders and allowing you to focus on your business development. YOU WILL GET: ✔ In-house team . Work with a dedicated team that is 100% focused on your product and located in the same office. ✔ Efficiency & transparency , as our process is based on Scrum methodology and managed by certified Scrum Masters. ✔ Fast result. Working with us, you will get the first result in 1 week. ✔ High quality, as TRIARE has well-established processes of software development and experienced specialists. ✔ Full cycle development . Our company covers all stages of development, handling everything from Discovery and prototyping to Design, development, and maintenance. ✔ IP rights . From the very beginning, you are the only owner of the intellectual property of your project materials: source code, design, documentation, etc. ✔ Warranty period will be provided for your system for free. ASPECTS OF OUR MINDSET: - Focused on results. We are focused on the result of your business with an understanding of the real goals and KPIs that our team should achieve. - Solution Provider. It means that we always come to you with solutions, not with questions. We take all technical aspects of the project off your shoulders, allowing you to focus on the marketing and business strategies. - We go the extra mile. Being a proactive company, we always think and take a step ahead. TECHNOLOGIES WE USE: - Mobile app development: Kotlin, Java, Swift, Objective-C. - Cross-platform development: Flutter, React Native. - Web frameworks: Node.JS, React.JS, PHP, Ruby on Rails.Looking for work in Quality AssuranceLocated in Fairfax, United States (+3)From €5,000 for Quality AssuranceWorked in Others (+20)Speaks English, Ukrainian51-200 membersPlavno
5(16 reviews)AI-First Software Company: Secure Agents, Voice Assistants, and Scalable Cloud.
Top awardedPlavno is a premier software development house with over 20 years of experience and a highly qualified team of experts in your industry. Fully-fledged teams of specialists cover each stage of product creation , from product management and analysis to design, development, testing, and ongoing support. We have a unique advantage , our pre-formed full teams work exclusively on products in their specific domains, such as Healthcare, E-Learning, FinTech, Travel & Hospitality, Fleet management and more. We can help you with: ✔ Web Development ✔ Mobile App Development ✔ CRM/CMS/SaaS Development ✔ Chat and Chatbot Development ✔ Web3 / DeFi / DAO / Smart contract ✔ WebRTC Stop struggling with bloated budgets and slow time-to-market. At Plavno, our fully-fledged team provides cost-effective and streamlined solutions that minimize technical debt and maximize your product's potential. With end-to-end support and a proven track record in the SAFe Scaled Agile Framework, we're the partner you need to succeed. LET’S CONNECT Let us help you choose the best path forward to deliver the perfect solution: Admin@plavno.ioLooking for work in Quality AssuranceLocated in Alexandria, United States (+2)From €10,000 for Quality AssuranceWorked in Banking & Financials (+19)Speaks English, French(+2)51-200 membersDot Com Development
5(10 reviews)Building smarter digital products that launch faster and perform better.
Top awardedDot Com Development is a full-service Web, Mobile, Cloud, and AI development company delivering high-performance digital solutions for startups, SMBs, and enterprise clients. Since 2004, the company has specialized in transforming complex business challenges into intuitive, scalable, and secure applications that drive real results. With a business-focused approach and a proven record of on-time, on-budget delivery, Dot Com Development combines technical expertise with strong UX, product strategy, and long-term support to ensure every project succeeds beyond launch. Dot Com Development gets digital products to market up to 50% faster than competing firms, reduces development costs by as much as 40%, and delivers user experiences that generate 5x more user engagement. Our services include: ✅ Strategic Planning and Consulting ✅ UX/UI Design ✅ Prototyping and POC's ✅ Web Application Development ✅ Website Design and Development ✅ Mobile Application Development ✅ Artificial Intelligence Development ✅ eCommerce Development ✅ API Development and Integration ✅ Data and Analytics ✅ Cloud Development ✅ CRM / ERP Development ✅ DevOps / Cloud Services ✅ Support and MaintenanceLooking for work in Quality AssuranceLocated in Scottsdale, United StatesFrom €5,000 for Quality AssuranceWorked in Industrial Goods & Services (+11)Speaks English11-50 membersDebut Infotech
5(8 reviews)Results, Not Promises
RecommendedDebut Infotech is an AI-augmented blockchain and software development company helping organizations across financial services, healthcare, supply chain, and digital platforms build systems that perform reliably in complex, regulated environments. Founded in 2011 and blockchain-native since 2015, the company brings engineering discipline and technology depth to enterprises moving from fragmented pilots to production-grade systems. With delivery centers across the USA, UK, Canada, and India, Debut Infotech combines regional market understanding with globally distributed engineering capability — enabling clients to move with speed, consistency, and governance. Service areas: Artificial intelligence and generative AI — Enterprise LLM integration, AI agent development, retrieval-augmented generation (RAG) pipelines, predictive analytics, computer vision, and intelligent process automation embedded at the system architecture level. Blockchain and Web3 development — Smart contract engineering, DeFi protocol development, real world asset (RWA) tokenization, cryptocurrency exchange infrastructure, and enterprise blockchain on Hyperledger Fabric and Corda. Mobile application development — Native iOS, Android, and cross-platform applications (React Native, Flutter) architected for AI integration, enterprise-grade security, and sustained performance under production load. Web and software development — Full-stack web platforms, SaaS products, and enterprise software systems engineered API-first, designed for long-term maintainability and organizational scale Proven Delivery: $62M+ raised across client platforms including Ifinca, IntegraLedger, Everledger, and TĒM 90% customer success score across enterprise engagements 15 years of enterprise software delivery Fortune 500 clients and high-growth startups across 25+ industry verticals 50–249 engineers spanning AI, blockchain, and software disciplinesLooking for work in Quality AssuranceLocated in Cook County, United States (+2)From €10,000 for Quality AssuranceWorked in Others (+11)Speaks English51-200 membersLuby
5(4 reviews)One of the TOP software development companies in Brazil and Latin America.
Luby is a global technology consulting and product engineering partner that helps companies scale, modernize, and accelerate digital growth through software and specialized teams. With over two decades of experience, 200+ vetted engineers, and more than 1,300 projects delivered, Luby operates from Brazil with seamless coverage across US and European time zones. The company supports organizations as a nearshore partner, integrating dedicated teams and staff augmentation models into existing operations with speed and reliability. Luby specializes in building and evolving complex digital ecosystems, with strong expertise in: Middleware and system integrations Last-mile and API-driven architectures AI-led legacy modernization Customer journey development on scalable platforms Combining deep technical expertise with a strong business mindset, Luby acts as an extension of its clients’ teams—supporting fast scaling, critical talent gaps, and strategic technology initiatives. Guided by an AI-first approach, the company connects human expertise and artificial intelligence to transform potential into measurable performance and long-term value. Luby serves technology-driven companies, fintechs, and financial institutions seeking efficiency, scalability, and consistent delivery through a trusted, long-term partnership.Looking for work in Quality AssuranceLocated in Miami, United States (+1)From €1,000 for Quality AssuranceWorked in Industrial Goods & Services (+3)Speaks English, Portuguese201-500 membersWEBLISH
4.9(27 reviews)World's first Platform Based Agency!
Weblish is a platform based agency officially launched in 2025 after seven years of building for small and midsize businesses. We unite design, content, search, and measurement in one place so founders work with one accountable partner and follow a calm path from idea to launch. Our roots go back to 2018, helping teams clean up their web presence, sharpen offers, and ship pages that feel fast, trustworthy, and easy to use. Those early projects shaped our culture. Fewer handoffs. Fewer vendors. Clear decisions. Steady delivery. Today we offer four connected services. Web Design and Development provides a modern and extensible foundation. Search Engine Optimization creates dependable discovery over time. Newsletter campaigns nurture relationships and bring customers back. Social Media Marketing keeps brands present and credible. Every engagement benefits from our shared design system, component library, and quality checks tuned for real devices and real users. The process is simple and calm. Discover and define. Write and design. Build and refine. Launch and improve. Reporting shows what is working and what to adjust next in plain language. If you want reliability without complexity, Weblish is a partner you can count on year after year.Looking for work in Quality AssuranceLocated in Sheridan, United StatesFrom €399 for Quality AssuranceWorked in Pets (+8)Speaks English, Dutch(+4)51-200 membersLinnify
5(8 reviews)Simplifying life through innovation.
Top awardedLinnify is an awarded global technology partner , founded in 2016, with offices in Europe and the U.S. We empower visionary companies to accelerate digital product development . Faster, smarter, and more reliable than thought possible. From growing startups to established enterprises, we help turn bold ideas into scalable, user-centered digital solutions that drive measurable business impact. Our cross-functional teams deliver end-to-end capabilities in: - product strategy and validation - UX/UI design - custom software development (web and mobile) - AI and machine learning development - data engineering - cloud-native solutions - XR (AR/VR) applications - team augmentation Our validation-driven development approach ensures every product is aligned with actual market needs , minimizing risk while accelerating time-to-market. With a proven track record of building 80+ digital products across industries such as healthcare, logistics, education, automotive, and pharma , Linnify is present through strategic partnerships in major tech hubs like Austin, Berlin, and London. Our commitment to quality has earned us global recognition, including FT1000 ranking, Clutch Top 100, and ISO 27001 certification. Whether you’re seeking an AI development partner, looking to validate a product idea, or scaling your development capabilities, Linnify delivers with agility, transparency, and lasting impact through dedicated product teams. Let’s simplify life through innovation. Together.2 works in Quality AssuranceLocated in Austin, United States (+1)From €5,000 for Quality AssuranceWorked in Education (+9)Speaks English, Romanian11-50 membersInApps Technology
5(15 reviews)The Trusted Technology Companion In Your Digital Journey
Top awardedYour Trusted, AI-Driven Software Partner InApps Technology is an industry leader in software outsourcing and ODC/IT Staff Augmentation. On Sortlist we’re consistently top-ranked, including #1 in Vietnam for Application Development and IT Staff Augmentation, top tier across Southeast Asia, and recognized globally backed by strong reviews and client referrals. What sets us apart - AI-Driven Development: We embed GenAI across the lifecycle requirements mapping, code generation, test automation, and observability to ship faster with higher quality. - Elite Talent, On Demand: Curated senior engineers for mobile, web, cloud, data/AI, and blockchain. Start interviewing in 1–2 weeks. - Flexible Engagements: ODC/dedicated teams, IT Staff Aug, or outcome-based projects—scale up/down without friction. - Security & IP Protection: Security-first workflows, strict access control, and full IP ownership on delivery. Proven Value: Transparent pricing and offshore efficiency that can save up to 65% versus local hiring while maintaining enterprise-grade standards. Where we excel SaaS platforms, FinTech, eCommerce/Marketplaces, EdTech, Healthcare, Logistics, and Blockchain/Web3. How we work Clear sprint cadence, demo-every-two-weeks, proactive risk management, and executive-level reporting. Expect responsive communication, English-fluent teams, and time-zone overlap for smooth collaboration. Ready to move from idea to impact? Share your brief on Clutch or request a free 30-minute discovery call. We’ll respond within 24–48 hours with a tailored approach, team mix, and first milestones.Looking for work in Quality AssuranceLocated in El Segundo, United States (+1)From €1,000 for Quality AssuranceWorked in Software & Computer Services (+13)Speaks English51-200 membersMMC Global
4.9(10 reviews)Best Software Development Company
RecommendedMMC Global is an award-winning business solutions provider that serves organizations across different industry verticals around the globe. We helps organizations streamline business operations and compete in the global marketplace by focusing on a range of cutting-edge technologies: Artificial Intelligence Solutions Chatbot Development Product Strategy Design UX/UI Mobile application development Web application and website Development Security Consultant, DevOps Data Science Digital Marketing We believe that technical execution should not be a barrier to developing new projects, which is why we work closely with our customers to understand their vision, help them define their product, then design, build and launch it in the most efficient way possible. We have already developed application, mobile application and different solutions for Startups, Small Medium Enterprise (SME) and enterprises, streaming web applications, erp applications, MVPs, business process automation systems, e-commerce sites and many others. For a transformative digital journey, reach out to us at info@mmcgbl.com to discuss your project!Looking for work in Quality AssuranceLocated in Austin, United States (+2)From €1,000 for Quality AssuranceWorked in Non-profit (+4)Speaks English, Arabic(+1)501-1000 membersSumatoSoft
5(2 reviews)Your Strategic Partner for AI Digital Evolution
Top awardedSumatoSoft specializes in digitalizing businesses by combining stable, mission-critical software with advanced AI capabilities. We empower our clients to unlock new levels of automation while ensuring their AI systems remain secure, governed, and high-performing. Why Leading Brands Choose Us: Value-First Mindset: We identify the highest-impact AI use cases for your specific industry. Reliability at Scale: We build software that handles massive loads without breaking. Future-Proof Tech: We use only relevant, battle-tested AI and software frameworks. Deep Integration: We act as your internal tech department, diving deep into your business challenges. By becoming a true technological partner, we ensure that every line of code and every AI model contributes directly to your business efficiency and market leadership.Looking for work in Quality AssuranceLocated in Boston, United StatesFrom €10,000 for Quality AssuranceWorked in Automotive (+12)Speaks English51-200 membersInoxoft
5(63 reviews)Highly recommendedInoxoft is a trusted, award-winning custom software development company with headquarters in Philadelphia, USA. With over 10 years of experience, a team of more than 200 in-house engineers, and a track record of successfully delivering over 200 projects, Inoxoft builds scalable, secure, and innovative digital solutions to help startups and small to medium-sized businesses achieve their goals. Key Facts: 10+ years on the market 200+ in-house engineers 200+ completed projects ISO 27001 certified for top security Microsoft Gold, Google Cloud, and ISTQB Silver partnerships Inoxoft services: Custom Software Development Web & Mobile App Development AI & Machine Learning Solutions UI/UX Design Quality Assurance IT Security Data Science & Big Data Analytics Team Extension & Dedicated Teams Technology Stack Inoxoft’s specialists leverage Python, .NET, JavaScript (Node.js, ReactJS, React Native), and iOS to build scalable, secure solutions. Industries Expertise With over 200 completed projects, Inoxoft excels in building solutions for: Healthcare: Secure medical software Education: Interactive e-learning platforms Finance: Robust fintech solutions Logistics: Supply chain optimization Real Estate: Property management tools Why Clients Choose Inoxoft: Partnership Approach: Treating clients as collaborators, fostering teamwork, and achieving successful outcomes. Effective Project Management: Clear communication, timely delivery, and regular updates via tools like Jira and Slack. High-Quality Deliverables: Robust, functional, and visually appealing solutions that drive satisfaction. Business mindset and maturity: Clients emphasize the automation of business processes, which saves time and boosts efficiency.Looking for work in Quality AssuranceLocated in Philadelphia, United StatesFrom €1,000 for Quality AssuranceWorked in Education (+6)Speaks English, Hebrew(+3)51-200 members3techagency
4.9(13 reviews)Grow your business with automated digital marketing.
At 3techagency we’re a ROI-Driven digital marketing agency helping businesses scale up marketing efforts seamlessly through tools & services that grow revenue, improve efficiency & team versatility.Looking for work in Quality AssuranceLocated in Los Angeles, United States (+1)From €100 for Quality AssuranceWorked in Consumer Electronics (+4)Speaks English, Swahili11-50 membersNerdbug Limited
5(1 review)Your perfect Tech Partner
Nerdbug is a digital growth software company with proven expertise in maximizing business value through organizational strategy, customer development and growth techniques.Looking for work in Quality AssuranceLocated in Vinings, United States (+1)From €3,000 for Quality AssuranceWorked in Software & Computer Services (+7)Speaks English11-50 membersMeerako.com
4.9(6 reviews)Innovate.Scale.Succeed
RecommendedMeerako is a US-based trusted technology partner focused on building solutions that help businesses grow. We design and develop secure, scalable, and high-performance web and mobile applications, SaaS platforms, AI solutions, Digital Marketing and business intelligence systems. From startups to enterprises, we turn ideas into reliable digital products that deliver real results. Our Solution: Custom Web Development: We build high-performance web applications tailored to your business goals. Our team combines technical depth with design precision to create platforms that are fast, secure, and built to scale. SaaS Platform Development: With a focus on multi-tenant architecture, subscription billing, analytics, and automation, we create SaaS platforms that are robust, profitable, and ready to serve millions. MVP Development: For startups and innovators, we turn concepts into market-ready MVPs in weeks, not months. Each product is built lean — focused on validation, user experience, and investor readiness. Mobile App Development: We design and build mobile experiences that people love to use. Whether native iOS, Android, or cross-platform with React Native, our apps combine intuitive design, strong performance, and reliable offline functionality to reach users everywhere. Digital Marketing: With expertise in SEO, PPC, content, and performance analytics, we help businesses grow their visibility, attract qualified leads, and achieve sustainable digital growth. AI Integration & Machine Learning: We integrate practical AI into real business workflows — not experiments, but production-ready solutions. UI/UX Design: Our design team creates digital experiences that look beautiful and work flawlessly. Through research, prototyping, and testing, we ensure every interface is intuitive, accessible, and conversion-focused.Looking for work in Quality AssuranceLocated in Midlothian, United StatesFrom €1,000 for Quality AssuranceWorked in Construction (+4)Speaks English, Arabic(+9)11-50 membersLabbrand
5(2 reviews)Your Brand is Your Power
Top awardedWelcome to Labbrand ! The only global brand consultancy headquartered in China. We provide systematic brand development end-to-end. At Labbrand, we believe ideas are powerful, and branding brings ideas to life and optimizes the impact. Our goal is to federate people as a community around the belief together with our clients and partners to guide them through the branding journey. With the expertise in Research, Strategy, Naming, Design, Brand Experience & Brand Culture, Labbrand enables clients to build impactful brands and make a difference in the market. Today, the company has successfully grown into a multinational consulting corporation operating from 5 global offices in Shanghai (headquarter), Paris, New York, Singapore, and Malaysia. With a robust portfolio and a dynamic global team, Labbrand is recognized around the world as an industry leader and a trusted partner for renowned brands across all industries. We work with global organizations to bring brand strategy, creative experience and culture together as part of comprehensive brand systems. We use branding methods to: - Build your Identity - Differentiate your products, services and communication - your overall Brand Experience - Strengthen your ability to execute with guidelines, corporate culture and development plan for all the teams in the companyLooking for work in Quality AssuranceLocated in New York, United States (+2)From €1,000 for Quality AssuranceWorked in Travel & Leisure (+21)Speaks English, Chinese(+9)51-200 membersFlatline Agency
4.9(20 reviews)Your digital pulse
Top awardedWe are a global disruptor in eCommerce, Corporate Websites and Marketing - proud to be an official Shopify Plus partner and ready to bring your digital stack to the next level! Our team of 50+ international specialists delivers innovation seamlessly through technological proficiency and award-winning designs and campaigns. We are the technical partner of established Brands like Oger, Vanilia, Shimano, Budweiser, Deloitte, Van Poelgeest, and MG Motors, delivering end-to-end solutions that cater to their individual business needs. With our in-depth knowledge of both tech and martech, Flatline provides comprehensive services that help companies achieve goals efficiently and simplify complex processes. At our core, we are focused on delivering high-quality work, fast – while leveraging the newest and best techniques available. As our client’s end-to-end development partner, we don’t simply work for them, but we deeply integrate and collaborate with each brand’s in-house teams.Looking for work in Quality AssuranceLocated in New York, United States (+1)From €3,000 for Quality AssuranceWorked in Clothing & Accessories (+11)Speaks English, Dutch(+1)51-200 membersSEVEN
5(7 reviews)🏆 Exceeding Your Expectations
Top awardedSEVEN is an IT partner with time-tested expertise in solving complex software challenges requiring narrow specialization . One of our biggest strengths is finding unique approaches and solutions for startups and businesses from a wide variety of industries, including crucial ones like healthcare & education. We take pride in our ability to find the technical solution and ensure that it leaves our clients room for growth and protects them from undesirable financial and technological consequences. We apply our extensive expertise to anticipate the needs of our clients and suggest improvements from a new, fresh angle. With SEVEN, our clients team up not just with tech-savvy people but with a group of experts who know how technology influences the business and how to make it align with sustained growth in the future.Looking for work in Quality AssuranceLocated in New York, United States (+1)From €3,000 for Quality AssuranceWorked in Hospitals & Healthcare (+14)Speaks English, Ukrainian51-200 membersVardot
(0 review)Enterprise Drupal platforms for global nonprofits, universities, healthcare and media organizations
Vardot is a Drupal and open-source partner that builds reliable, mission-critical digital platforms for organizations driving real-world impact. Since 2011, we've designed, built, and launched 200+ web platforms across 30+ countries for organizations including UNHCR, UNICEF, BCG, and Georgetown University, rated 4.9/5 on Clutch across 60+ verified reviews. We cover the full lifecycle: strategy, UX and design, custom development, migration, support and maintenance, and DevOps. We're a Drupal Diamond Certified Partner, one of the largest Acquia-certified teams in the world, and a Top 20 contributor on drupal.org. We created and maintain Varbase, a widely used enterprise Drupal distribution, and as a Gold Sponsor of the Drupal AI Initiative, we're building toward AI-ready enterprise platforms. Clients choose us for deep technical expertise, secure and standards-compliant delivery, and a proven track record on complex enterprise and public-sector builds.Looking for work in Quality AssuranceLocated in Santa Clara, United StatesFrom €1,000 for Quality AssuranceWorked in Non-profit (+6)Speaks English, Arabic201-500 membersTechAvidus
(0 review)Building Custom Software, web, and mobile solutions
At TechAvidus, we are committed to providing innovative and reliable solutions that meet our client's specific needs. We pride ourselves on providing cost-effective solutions without compromising quality. Our success is tied to our client's success, and we are dedicated to building long-term relationships with every client we work with. Our clients have changed how people collect feedback from employees and customers, manage real estate listings, Publish books, Rent cars, and manufacturing companies manage operations. Their products have been featured in Microsoft Innovation Centre, Purchased by Mail Chimp, and top-rated by many review sites. Share your challenge with our team, and we’ll work with you to deliver a revolutionary digital product from inception to launch in the market. Services AI Application Development Custom Software Development Web Application Development Mobile Application development Cross Platform mobile app development Digital Marketing Search Engine Optimization Pay-Per-Click Social Media Marketing Website Design & Development E-commerce Development Local Listing WHY SHOULD YOU WORK WITH US? A unique approach to every client: We help you decide the right technology, architecture, and processes to follow, oversee the successful delivery of your software product, and post-delivery support, including digital marketing services. Risk-Free 2 weeks trial Top Rated on many platforms, including highly competitive marketplaces 150+ Five ***** reviews We take security and IP Protection very seriously to protect your IP rights. https://www.techavidus.com/why-techavidus Key Clients : - Real Estate (CRM, Sales Apps, lead Generation Apps, Landing page apps) - Human Resource Management solutions - Survey Applications - e-learning solutions - Manufacturing industry solutions - Supply Chain and asset management solutions - Social networking solutionsLooking for work in Quality AssuranceLocated in West Haven, United States (+1)From €1,000 for Quality AssuranceWorked in Logistics & Supply Chain (+22)Speaks English51-200 membersAttract Group
5(1 review)We deliver digital business strategy. Let's Build It Right.
Top awardedAttract Group is a team of professional web and mobile developers helping start-ups launch faster and established companies digitalize smoothly. Operating successfully since 2011, with headquarters in Amsterdam (Netherlands) and Las Vegas (USA). We don't just write code — we align every technology decision with your business goals, so each product serves a clear commercial purpose. Our team brings deep expertise across web development, design, project architecture, application development, and IT business consulting. We've built solutions across a wide range of industries — with particular strength in e-commerce/retail and healthcare , and proven experience in complex, highly regulated niches including aviation , media, and social networks . AI built into how we work: We integrate AI across our development process — AI-assisted coding and automated testing for faster, higher-quality delivery — and build AI-driven features like smart search, recommendations, and chatbots directly into client products. For clients, that means shorter timelines, lower development cost, fewer bugs in production, and smarter user experiences out of the box. Services: Custom CRM/ERP · Web platforms · E-commerce/retail · Mobile & cross-platform apps (Flutter) · UI/UX design · AI integrationLooking for work in Quality AssuranceLocated in Las Vegas, United States (+1)From €1,000 for Quality AssuranceWorked in Hospitals & Healthcare (+8)Speaks English51-200 members