QA & Testing

Compare verified QA & Testing agencies: portfolios, rates and client reviews in one place. Filter by skills and specialization to shortlist the right partner faster.

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ISHIR logo
Dallas, Texas, United States

ISHIR is a digital product innovation and AI engineering company that helps businesses modernize operations, develop custom software, and turn AI initiatives into measurable business outcomes. Founded in 1999, the company offers AI solutions, custom software and product development, data analytics, cloud services, automation, and dedicated engineering teams for businesses across multiple industries.

AI Development App Development Backend Development Data Analysis Product Development Python QA & Testing SaaS Software Development Web Development
Nika IT Solutions logo
Santa Monica, California, United States

Nika IT delivers end-to-end solutions spanning AI-driven innovation, product strategy and management, UI/UX design, web and mobile development, cloud architecture, and quality assurance. By combining deep software engineering expertise with a strong focus on scalability, efficiency, and user-centric design, the company transforms complex business challenges into impactful, growth-oriented solutions.

AI Development App Development QA & Testing UI/UX Design Web Development
Siblings Software logo
Miami, Florida, United States

Siblings Software is a software development outsourcing company based in Miami, Florida, providing custom web and mobile application development, API and backend solutions, front-end engineering, staff augmentation, and technology consulting services to global clients.

App Development Backend Development Consulting Frontend Development QA & Testing Software Development Web Development
Romeo + Co logo
Melbourne, Florida, United States

Romeo + Co is an award-winning design consultancy with a 35-year track record creating design solutions that advance business objectives for large organizations like MLB, AT&T Wireless, Disney, and startups, like Faye + Florie and Nitro Sushi.

CMS Integration E-commerce QA & Testing UI/UX Design Web Design Web Development Wordpress
Maxiom Technology logo
Ashburn, Virginia, United States
$100–149 / hour

Maxiom Technology offers a broad range of software development and consulting services centered around building awesome Web, Cloud, Mobile and Enterprise apps with an unrelenting commitment to quality. Our topflight software developers build innovative custom software for businesses and organizations around the world using our proven techniques, Agile development processes combined with rigorous checks and […]

App Development Backend Development Frontend Development QA & Testing UI/UX Design Web Design Web Development
Stefan Pilz logo
Cyprus

Stefan Pilz Ltd. provides specialized e-commerce development and custom software solutions for online retailers, agencies, and growing businesses. Led by experienced developer Stefan Pilz, the company delivers custom Shopware plugins and themes, Shopware 5-to-6 migrations, performance optimization, technical troubleshooting, and PHP/Symfony development. From ERP and PIM integrations to inventory management and legacy-system modernization, Stefan combines […]

Backend Development CMS Integration E-commerce JavaScript Laravel MySQL QA & Testing Software Development Web Development Website maintenance Website redesigning
Asper Brothers logo
Warsaw, Mazovia, Poland

Asper Brothers is a software development company helping startups and entrepreneurs turn ideas into market-ready digital products. From product strategy and UX/UI design to custom web and mobile app development, AI solutions, and scalable SaaS platforms, the team supports clients throughout the entire product lifecycle — from idea validation and MVP launch to ongoing development […]

AI Development App Development Backend Development Frontend Development JavaScript Node.js Product Development Python QA & Testing React SaaS Software Development UI/UX Design Web Development
UX Prosperar logo
Dubai, United Arab Emirates

UX Prosperar is a Dubai-based UX/UI/CX design and research agency focused on creating research-driven digital experiences and products. Its services include UX and customer research, UX/CX strategy, service design, UI/UX design, usability and concept testing, conversion optimization, web development, and product innovation.

Data Analysis Figma Product Development Prototyping QA & Testing UI/UX Design User Experience (UX) Design Web Development
NewRedo logo
Leeds, United Kingdom

We are bespoke software developers – a multidisciplinary software consultancy with decades of experience delivering software that supports your products or services and drives value across the wider business

App Development Backend Development Consulting QA & Testing Software Development UI/UX Design Web Development
SCAND logo
Warsaw, Mazovia, Poland

SCAND has been providing custom software development services for over 25 years, offering full-cycle engineering from idea and consulting to deployment and maintenance – delivering web, mobile, desktop, SaaS, and AI-powered solutions for startups, enterprises and global brands.

AI Development App Development Backend Development Frontend Development QA & Testing Software Development Web Development
2N logo
Białystok, Podlaskie, Poland

We create dedicated software for companies, craft scalable, precisely tailored applications aligned with your business goals, developed through close collaboration for maximum effectiveness

App Development Backend Development Consulting QA & Testing Ruby Development Software Development
Smartexe logo
Bnei Brak, Tel Aviv, Israel

We provide custom software development services and organic teams of developers, designers, QA engineers, and DevOps experts that can start delivering from day one across industries including e-commerce, telecom, mobile apps and more.

App Development Backend Development Consulting Frontend Development QA & Testing Software Development UI/UX Design
Aionys logo
Sofia, Bulgaria

Aionys is a European boutique IT company based in Sofia, Bulgaria, offering full‑cycle custom software development, mobile and web application development, UX/UI design, quality assurance, IT consulting, and digital transformation solutions across industries

App Development Backend Development Consulting QA & Testing Software Development Web Design Web Development
Fixe logo
Navarro, Buenos Aires, Argentina

Fixe is a software development partner based in Argentina that builds robust, scalable, production-ready software solutions including full-stack web apps, cross-platform mobile apps, cloud infrastructure, and AI prototypes to production.

AI Development App Development Backend Development Consulting QA & Testing Software Development Web Development
Modile logo
Barcelona, Spain

Modile (MODILE.WORKS SL) is a Barcelona, Spain‑based company focused on creating modular and end‑to‑end mobile and web applications, providing app development, UX/UI design, software development, testing, and technical consultation services

App Development Backend Development Consulting QA & Testing Software Development UI/UX Design Web Development
Emirates Graphic logo
Dubai, United Arab Emirates
$25–49 / hour

Emirates Graphic is a UAE-based digital transformation agency with European-led design, a fully in-house team of 36, and a 12-year track record delivering 400+ websites and 200+ mobile apps across the GCC.

App Development Backend Development Brand Identity Branding Frontend Development Graphic design QA & Testing Responsive design UI/UX Design Web Design Web Development
Kambu logo
Kraków, Lesser Poland, Poland

Kambu builds something more than dedicated IT systems. We build software that has a direct impact on the way you work, increasing your effectiveness. We simplify business processes by looking for the simplest solutions to the most difficult problems.

App Development Backend Development Frontend Development Graphic design Product Development QA & Testing Software Development UI/UX Design Web Design Web Development

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