Best Software Testing Companies in California

Passion fuels perfection. It’s a fierce, relentless quest to get it right. And when there’s no room for error, there’s QualityLogic, America’s most trusted, full spectrum QA provider. We’re on-shore, on-demand, on-the-numbers QA support for clients spanning the globe and sweeping the spectrum of industry — including media & entertainment, retail & e-commerce, imaging, smart energy, virtual reality, and more. Our proven proficiencies drive exemplary new standards while accelerating world-changing... read more about QualityLogic

Since 2015, QAwerk has been providing comprehensive software testing and QA team extension services to startups, medium-sized businesses, and well-established brands. By assuring impeccable software quality, we help companies grow faster: a case in point is Unfold, a brand that gained global recognition and was later acquired by Squarespace. Our QA engineers are highly experienced in manual and automated testing of web platforms, mobile and desktop apps, SaaS systems, and games. So far, we have contributed to improving over 300 projects, transl... read more about QAwerk

a1qa is an independent Software Testing and Quality Assurance company. Headquartered in Lakewood, Colorado, a1qa has its locations across the globe. With over 700 QA professionals on board and over 16 years of experience in providing services across a range of verticals, a1qa has built up a reputation for quality and reliability. a1qa helps clients globally assure high quality of the software they develop to achieve their business goals and open up new markets. The company runs 10 in-house Centers of Excellence that focus on assuring q... read more about a1qa

QA Mentor is multi-awards winning a CMMI Level 3 SVC + SSD v1.3 appraised, ISO 27001:2013, ISO 9001:2015 and ISO 20000-1 certified leading software testing company headquartered in New York. With 274 certified QA Professionals in 8 different countries offering more than 30 QA Testing Services and covering all time zones, QA Mentor is a global leader in Software Quality Assurance and Testing space. Serving 382 clients from Fortune 500 to start ups in 28 countries, QA Mentor supports applications in 9 different industries. With unique products pr... read more about QA Mentor

ImpactQA is the global independent software testing & QA consulting company. 10 years of excellence. Delivering unmatched services & digital transformation to SMEs & Fortune 500 companies. Headquartered in New York and having operations in India, London, Dallas, Munich and Germany. The in-house team has an international reputation for delivering cost-effective, insightful and customer-centric approach to a vast array of 250+ clients.  Software Testing Services: They deliver quality engineerin... read more about ImpactQA

SPEC INDIA is an ISO/IEC 27001:2013 company with 30+ years of established experience. We specialize in Custom Software Development, Web & Mobile App Development, BI & Analytics Solutions, Automation & Security Testing, Legacy Software Migration, Product Engineering, and IoT Solutions. SPEC INDIA has a team of 300+ Consultants, who are committed to delivering Quality Solutions to Global Customers. Our Extended Development Centers and Innovative Onshore/Offshore Models help us service Fortune 500 companies, SME’s and Sta... read more about SPEC INDIA

Testlio is the leader in managed app testing. With robust client services, a global network of expert testers, and a comprehensive software platform, we provide a suite of burstable, flexible, and on-demand testing solutions: end-to-end, usability, localization, functional, payments, and more. When apps must perform brilliantly, Testlio helps ensure world-class customer experiences. In any location. On any device. In any language.

Our passionate, user-oriented designers have an iron grip of the tools we use to build exceptional digital experiences. We believe web development should never be boring. It should never be weak. We never forget that your business goals drive everything. That’s why our beautiful web and mobile designs blend your brand objectives into intuitive and impactful products every step of the way. Every project we take on is highly customized. We don’t do out-of-the-box solutions because we know that every project is unique. Your appli... read more about Powercode

With a talented team of 200+ software engineers, project managers, and designers, we excel in delivering end-to-end tailored solutions empowered with the latest tools, technology stack, and methods. At AllianceTek, we don’t just design and develop your project. Rather, we audit and engineer the entire project development process. We work with you to strategize and find the best solutions specific to your requirements while regularly taking feedback throughout the process. Our clients do not have to worry about culture gaps or communica... read more about AllianceTek

Aspired helps its clients to hire and build a remote team by opening up the doors to the global pool of remote talent. They normalize the concept of working remotely. By adequately understanding any project's requirements, they hire a team of professional experts who work on getting the best results for their clients. Providing top services at reasonable pricing is their utmost priority. The company is expanding rapidly with operating in the US and a global foothold in the UAE and Pakistan.

We provide CTOs, VPs, and Directors of software engineering premium staff augmentation services and can help in the following ways: Fast, Easy Recruiting & Onboarding gets devs on your team in 2 - 3 weeks without subjecting your team to lengthy screening and interviewing distractions Premium, Team-Based Talent. We've helped top Bay Area companies for 15 years and have experience across a wide variety of industries and tech stacks We Work When You Work by having developers in all 3 US timezones View the various r... read more about Admios

Zymr is a full-stack cloud software development company headquartered in Silicon Valley. Combining agile development practices and cutting-edge open source technologies, we deliver fit-for-purpose software that scales with our customers’ business needs. Founded by industry veterans with decades of technology experience, we are proficient in accelerating cloud application development.   With integrated Cloud, Cybersecurity, DevOps, etc. competencies, Zymr operates as a one-stop technology partner for enter... read more about Zymr, Inc.

Packetlabs is an IT consulting firm specializing in expert penetration testing. We offer a number of services including infrastructure penetration testing, web & mobile application testing, social engineering, red team exercises, source-code reviews and exploit development. Our clients are in a number of industries including: government, technology, media, retail, healthcare and financial. Our slogan, "Ready for more than a VA scan?"​ illustrates our commitment to the industry to provide only expert-level penetration testing. Ou... read more about Packetlabs

LambdaTest is a scalable cloud-based cross browser testing platform designed to offer all website or web app testing need to cloud infrastructure. LambdaTest platform helps you to ensure your web app elements (such as JavaScript, CSS, HTLM5, Video...etc.) render seamlessly across every desktop and mobile web browser with support of manual, visual, and automated testing. With LambdaTest, you can access up to 2000+ combinations of desktop and mobile browsers on the cloud. We also offer a Selenium grid which supports 32 test automation framewor... read more about LambdaTest

Abstracta is a leading, pure-play and independent software testing services company founded in 2008 with offices in California, the UK and Latin America. We offer testing consultancy services centered on building custom, dedicated testing teams. Our teams have the added value of being able to leverage all of Abstracta’s collective expertise from years of partnering with clients ranging from startups to enterprise level companies in a wide array of industries including healthcare, technology, and e-commerce. The Abstracta ad... read more about Abstracta

We at CodeBright believe in improving the world using technology. We work with startups, small/large companies as well as non-profit organizations to bring Minimal Viable Products (MVPs) to the market, improve/streamline/automate business processes, raise efficiency/productivity, reduce costs and more. The award winning team is capable of handling a wide variaty of complex software development projects that involve integration with other systems (CRMs, ERPs), analysis of large masses of data ... read more about CodeBright

Mobile: We provide end-to-end mobile design and development services globally. From award-winning B2C native applications to robust cross-platform enterprise-grade mobile solutions, Algoworks innovates applications with latest tech trends. Feel free to have a quick discussion with our architects to find out best app development strategy and tools for your app development. We are based in Sunnyvale, CA, Noida, India and Toronto, Canada. Algoworks is a technology company providing end-to-end product development services globally. ... read more about Algoworks

Aryavrat Infotech Inc. is one of the reputed IT Solutions companies in US with a prime focus in the field of Software Development Services. We have an experienced, innovative and dynamic team of experts with a focus to provide software development outsourcing and offshore software services for individuals, small- and medium-sized businesses and corporate clients. Our other strengths include enterprise application development and web application development services. We are also a major Android & iOS app development company in US and can hel... read more about Aryavrat Infotech Inc.

ℹ️  Relevant is an offshore software development services vendor, known for trustworthiness, speed, flexibility, smooth communication, great project management skills, and caring about the product they’re building. Since 2013, we provide companies with senior tech talent and product development expertise to build world-class software. We become your tech partner, taking care of product-market fit, deadlines, staffing, and quality of a final product. ➡️  Video testimonial from our clients: https://youtu... read more about Relevant Software

Vyshnavi Information Technologies India Private Limited (VIT) is a global Information Technology Company established in the year 2001 with headquarters in Bangalore, having development centers in Bangalore, Pune, US and Canada. Our range of services includes Design, Development and Testing of software components for Product Companies, turn-key Software Solutions for Retail, e-Governance, Utility, Facilities, and Mining Industries. VIT is also a product Microsoft Certified Gold Partner and Oracle Gold Partner.

The company’s mission is to help global organizations overcome technology challenges of Digital Transformation with the focus on new and emerging technologies, which we believe should make a positive impact on each area of our lives, making it simpler, smarter, and opening new promising horizons. Delivering innovative technical solutions to overcome obstacles experienced at the tactical, operational, and strategic levels. Develop trusted relationships with our clients by providing dedicated and relevant technical experties.  

Performance Lab - is a provider of premier load and performance testing services for enterprises in all industries. We deliver expected value to our clients by focusing on robust methodology, tools, and experienced engineers. We excel in bottleneck localization and craft performance optimization guidelines.  With over 13 years of experience in providing performance testing solutions worldwide, Performance Lab has built up a reputation for reliability. Our technology stack includes: Boomq.io (link is external)&n... read more about Performance Lab

SynergyTop is a global software solutions provider that delivers innovation and technology services. We offer our expertise in the areas of Mobile, Product and Application Design and Development, Web Services, Digital Marketing and Quality Analysis. We, at SynergyTop are passionate about technology. This, coupled with our fast-paced execution ability enables us to provide asymmetric advantages to our customers; as well as faster time-to-market. We deliver end-to-end software and technology solutions that enhance productivity and customer sat... read more about SynergyTop

Altoros Labs is a professional software services provider specializing in delivering fully managed solutions based on NoSQL databases, solid technology stack: Microsoft .NET, Ruby on Rails, NodeJS, Angular, Bootstrap, ReactJS, PWA, JavaScript, Mobile, Cloud, Java, Software development.  Also, the company provides web and mobile development services in addition to managed IT support, staff augmentation, and application testing.  

The highest priority of Design and Test Lab ☆☆☆☆☆  is Mature Mobile Reliability Standard that is the development of reliable mobile applications.  But we don’t just write code.    We help our clients to build better products by walking step by step along the way and helping to refine the vision and maximize chances for success.    We apply the scientific knowledge in project planning, architecture development, programming and testing in our work.    Our software engineers... read more about Design and Test Lab

We are custom web and mobile app development company which help entrepreneurs, business owners and investors to launch their market disruptive ideas to streamline their verticals using technology solutions. 

Capital Numbers is a D&B accredited, ISO 9001 & 27001 certified global solutions provider with 400+ in-house, full-time experts. Our clients include Reuters, Conde Nast, University of Colorado, Credit Sesame, Grey Digital, along with hundreds of Small Businesses, Silicon Valley Founders, and Agencies worldwide. YOU CAN TRUST CAPITAL NUMBERS! We work with all significant technology stack, including front-end and back end.  WHAT WE DO ➊ Custom Software Development: Our development team can help you throughout ... read more about Capital Numbers

We’ve worked with 300+ startups, small to medium-sized enterprises and top brands from 15+ different countries. We've been empowering them with our digital intelligence and expertise over the past 10 years. We have successfully delivered 1000+ Swift and Agile web and mobile apps spread among 12+ industries. We deliver the right business outcomes 4X faster than our competitors and help our clients monetize more effectively by producing state of the art, high performance, and cos... read more about Dedicated Developers

Techcronus Business Solutions is a global provider of Digital Solutions using cutting-edge technologies since 2010. Our value proposition is our strength that distinguishes us in terms of industry specific services, emerging technology expertise, strategic alliances with professional consultants and business experts, and long-term partnership commitments.  We work with Startups, SMBs as well as Enterprises throughtout technical consulting, application conceptualization, UI/UX design, frontend/backend development, UAT to launch and maint... read more about Techcronus

Prismetric is an ISO 9001:2015 Certified Mobile App Development Company having a development center in India with offices in USA & Saudi Arabia that offer exceptional applications development for iPhone, iPad and Android devices along with other web services to provide end-to-end solutions. We have a strength of over 90+ highly skilled and competent mobile app developers and designers working with a sole mindset of customer satisfaction. Since its inception in 2008, the company has always followed a vision to provide customized technolog... read more about Prismetric

WEBSITE DESIGN AND DEVELOPMENT COMPANY We started with a small team of web designers and scaled up to a full-service digital agency with the development team based in New Delhi. with software development capabilities that involved custom design, e-commerce, and mobile apps. Design and User Experience: We specialize in building amazing web designs, providing an excellent UI and that includes Prototyping, Responsive Web Design, and WordPress Websites Technology and Solutions: Web Applications, Mobile Apps & E-Commerce Websites. ... read more about Keyideas Infotech Private Limited

Since 2003, A3logics has gained a reputation of delivering quality services by delivering time critical solutions and continuously evolving through innovative delivery methods. We have a dedicated team of high-quality professionals who constantly work with diverse industrial players in varied sectors like biometrics, education, banking, media monitoring, retail, shipping, logistics etc.

Blue Label Labs is a 64-person digital product agency headquartered in NYC and with offices in Seattle and San Francisco. Over the past six years, we have designed and developed over 300 digital products. Our client ranges from startups and entrepreneurs to small businesses and enterprises. Check-out our www.bluelabellabs.com to learn more about our team and work. Feel free to contact us at [email protected] to discuss how we can help!

We are software development services company specialising in product engineering. We offer flexibility of a scale-up firm and robustness of over 30 years experience collectively within the leadership team. We guarantee shortest time from concept to go-live. Let it be enterprise application development or mobile app development, our team ensures smooth execution of projects on-boarded. We work with multi-location teams spread across USA, UK, Australia, Canada, Belarus, Israel, Spain,Dubai, Bahrain and India. We have impacted 140 busin... read more about Virtuoso Infotech Pvt. Ltd.

Wisitech is your reliable digital solutions partner helping you to succeed in your online venture. For 18+ years we have been providing cutting edge, innovative solutions to meet our clients’ complete web and app design, development and marketing needs.

Seasia Infotech, a CMMIDev/5 certified organization, is a global IT software solutions digital consultancy that helps brands (enterprises, start-ups and agencies) engineer and creates digital experiences for the last 20+ years. Our powerful app creation & app building platform empower 3,000+ live apps, enabling us to reach more than 50,000,000 end users all over the world. We focus on world-class design and build tech-enabled solutions, which help us deliver high-quality user experience and UX and UI designs. Our connect with clie... read more about Seasia Infotech

KPIS Pvt Ltd. is a web development, Mobile App and Game Development Company and has been established since 2015. We at KPIS are on a mission to help small and medium size business to have an online presence by which they end up visible to their intended audience group and execute your business thought to the real world, by making your site, web applications and mobile application, which makes exponential business development and execution of your idea at a sensible expense, with the goal that you can remain in front of your opposition. Our Serv... read more about KPIS pvt ltd

Mantreza Technologies is a leading mobile app, web and mobile games development company. We are an ISO certified company, we have successfully bagged 700+ projects, building lifetime relationships with over 100+ happy clients, for providing IT solutions to every industry sector out there. With the employee strength of over 100 mobile & web developers, designers and marketing experts working from our head office in Noida, we hail from a background of specialising in Mobile Apps, Games, Web Portal, Ecommerce, Custom Business Ap... read more about Mantreza Technologies Private Limited

We provide cutting edge app development services. We're expert in iOS, Android, PWA, mobile web apps, websites, web Apps and Mac apps development and completed 500+ apps in past years. Having coding skills in Objective C, Swift, Java, C#, HTML, CSS, Node js, Angular js and scripting languages.  Having skills to develop native apps as well as hybrid apps as per your requirements including the planning, development, quality assurance, management of communication and submit to global market.

QArea's business model is geared towards helping mid-sized businesses scale their software solutions and development teams. We focus on helping clients start development quickly and eliminate recruitment overheads by hiring from our pool of 250+ experienced software engineers. Our growth relies on two key components: building complex, high-load web solutions and developing long-lasting partnerships by focusing on the outstanding quality of delivered projects.  Our client roster consists of both new development projects ... read more about QArea Inc.

INT is an award-winning digital-first enterprise bringing innovative ideas to life since 1997. Offering simple and sustainable digital solutions with the confluence of technology, analytics and marketing, INT is the trusted partner of fastest-growing Agencies, SMEs and Startups across 20+ countries.   Our consultative & collaborative approach is analytics-driven. It helps enterprises to navigate every facet of the digital landscape, to identify growth opportunities, reveal competitive advantages, and define engaging experiences... read more about Indus Net Technologies

Digital Promotion Agency is a leading California based digital marketing & seo agency that deals with Search Engine Marketing, Social Media Optimization, Web Development, Reputation Management and many more. Due to prominent marketing strategies, we are rewarded as the Best Digital Promotion Agency in California since 2015.

We've been building customer software for our clients, partners and our own products since 2016. Our team includes experts in JavaScript, Python and Ruby plus engineers with AWS certification. From UX design, project management to development and delivery, we’ve got the complete life-cycle of your custom software, native app or webapp covered. Our approach and dedication to agile, iterative development with complete transparency allows us to bring decades of combined experience to new startups and the fresh innovation of a small te... read more about eTeam

Founded in 2007 and renowned today, 01SYNERGY is building businesses with its unrivaled web development services. We are a one-stop solution for delivering web-based projects for all kinds of industrial verticals.

TemaBit is a solution provider that solves everyday enterprise challenges such as scalability, redundancy, down timing. We provide business intelligence analytics, packaged software products as well as SW development, database development, mobile application development, UX/UI Design, QA Services. We work with body-shopping, team-shopping, project-based outsourcing approaches.  We are fluent in the following technologies: Development for Windows platform: Microsoft .NET Framework, C#, C++, F#. Cross-platform developmen... read more about TemaBit

Binariks is a software development outsourcing and consulting company headquartered in the USA with development centers in Ukraine. We leverage 20 years of IT experience to help startups and established businesses achieve success by creating winning products, teams and custom. We partner with various organizations ranging from startups to big enterprises helping them to achieve business success by creating winning products and teams while leveraging lean principles.

Enkode is the pioneering software development agency for startups; voted Top App and Web Development Company in AppFutura, Wadline, Good Firms and holds a 5-star rating on Clutch. Our core expertise lies in: startup consulting, R&D Centers, and web & mobile development. Our mission is helping startups through the challenges of development in an ever-changing market.   Too many startups fail due to working with affordable, but unqualified teams; or simply over-developing without proper guidance. We reassure the gap between ent... read more about Enkode Technologies

ADORIASOFT IS A TEAM OF ENGINEERS WITH A PRIMARY FOCUS ON BLOCKCHAIN AND DISTRIBUTED LEDGER TECHNOLOGIES. We develop software products for startups and mid-size businesses. Building software from scratch, we always look at it through the end- user’s eyes making it as intuitive and functional as possible. Our partners can rely on Adoriasoft as our team knows perfectly and follows all the product development phases. We know how new products are entering markets, whether the goal is to pitch investors or release the MVP. In creating s... read more about Adoriasoft

ELEKS is a Top 100 Global Outsourcing company. We partner with enterprise clients and SMEs to elevate their value through innovative technologies. Our 1,500+ experts, located across Europe and the US, provide our clients with a full range of software services. These include custom software development, product design, quality assurance, R&D, smart teams and support and maintenance services. We’ve been helping industries including logistics, retail, finance, agriculture, healthcare and government, digitally transform the... read more about ELEKS

Octos Global has been building digital experiences for approximately 8 years. We are always looking ahead in the race by having a clear goal of delivering only innovative and exceptional apps to all of our clients. Octos specializes in Software Outsourcing Solutions for companies around the globe. Every project that we undertake has to be innovative through strategy, design, and engineering to create products that exceed our clients’ expectations, provide an enjoyable user experience, and maintain the highest level of creativity. Clien... read more about Octos Global Solutions