Best Testing and QA Providers - Page 4

How Many Testing and QA Providers Products Does G2 Track?

Total Products under this Category: 360

Category Stats (Nov 2026)

  • Average Rating: 4.77/5 (↑0.01 vs Oct 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: GeekyAnts (+1.39%) - Among all products in this category, GeekyAnts recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank Testing and QA Providers Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 900+ Authentic Reviews
  • 360+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Testing and QA Providers

G2 Grid® for Testing and QA Providers plotting products by satisfaction and market presence

Highlighted products: a1qa, DeviQA, Devico, Chetu, ThinkSys, TestDevLab, BetterQA, and Expleo.

Underlying data: [Grid® JSON](https://www.g2.com/categories/testing-and-qa/grids.json?focus%5B%5D=a1qa&focus%5B%5D=deviqa&focus%5B%5D=devico&focus%5B%5D=chetu&focus%5B%5D=thinksys&focus%5B%5D=testdevlab&focus%5B%5D=betterqa&focus%5B%5D=expleo)

ScienceSoft

ScienceSoft USA Corporation, doing business as ScienceSoft, is an AI transformation and software development company founded in 1989. With 750+ experts, it serves clients in 80+ countries and 30+ industries, with strong expertise in healthcare (HIPAA-compliant EHR/EMR, telemedicine, diagnostics), insurance (underwriting and claim management automation, automated fraud detection) and investment (investment portfolio management, investor portals, trading apps). ScienceSoft also delivers AI solutions across domains. Recognized by IAOP, Financial Times, Inc. 5000, and Newsweek, the company holds ISO 9001, ISO/IEC 27001, and ISO 13485 certifications.

Average Rating: 4.8/5.0

Total Reviews: 4

Who Is the Company Behind ScienceSoft?

Who Uses This Product?

  • Company Size: 50% Small, 25% Large

What Are Recent G2 Reviews of ScienceSoft?

SDET Tech

SDET Tech is a B2B software testing and quality engineering services company that helps product and engineering teams assess software reliability, performance, security, accessibility, and release readiness. Headquartered in Noida, India, with a presence in Bengaluru and Michigan (USA), the company provides functional and non-functional testing for web, mobile, API, and data-intensive applications. Clients can engage SDET Tech for managed testing or extended QA support, with the scope, delivery model, and tools agreed for each project. Its core service capabilities include: - Automation Testing: Development and maintenance of web, mobile, and API automation frameworks, regression suites, CI/CD integration, and test reporting. - Accessibility Testing: Manual and automated assessments aligned with relevant WCAG guidance, usability evaluation, defect reporting, remediation recommendations, and VPAT support. - Performance Testing: Load, stress, endurance, and scalability testing, along with performance diagnostics, monitoring, and tuning recommendations. - Functional & Usability Testing and ETL/Database Testing: End-to-end user-journey validation, API and integration checks, compatibility reviews, data migration testing, source-to-target reconciliation, and data integrity checks. - Cybersecurity Testing: Vulnerability assessment and penetration testing, DevSecOps support, cloud security assessment, and related risk and compliance activities. SDET Tech's engineering work is complemented by two proprietary platforms. SDET360.AI supports requirements and story generation, test-case creation, web/API/mobile automation generation, test execution, release management, and reporting. AccessiGO supports digital accessibility workflows across websites and documents, including automated scanning, AI-powered alt text generation, VPAT and defect reporting, remediation guidance, and centralized monitoring. These platforms support engineering workflows rather than replacing the company's testing services or specialist review. SDET Tech has documented experience in EdTech and e-learning, healthcare, banking and financial services, e-commerce and retail, SaaS, and publishing. Its Centers of Excellence cover functional testing, automation, non-functional testing, and data and security testing.

Average Rating: 4.8/5.0

Total Reviews: 2

Who Is the Company Behind SDET Tech?

  • Seller: SDET Tech
  • Year Founded: 2019
  • HQ Location: Noida, IN
  • LinkedIn® Page: www.linkedin.com
    204 employees on LinkedIn®
  • Ownership: Kapil Dev
  • Phone: +91 93897 44238

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of SDET Tech?

TestPapas

We help iGaming and fintech companies deliver secure, reliable, and high-performing digital experiences worldwide. With deep industry expertise and a global testing network of real users and devices, we provide comprehensive end-to-end testing services, including payment method testing, user experience testing, website and application QA testing, and localization testing. Our approach combines real-world validation with structured methodologies to ensure digital products perform flawlessly across markets and platforms. Our Payment Method Testing covers 150+ countries and 70+ languages, validating both local and international payment methods across real-world scenarios such as successful transactions, rejected payments, chargebacks, refunds, and payouts. By testing under authentic regional conditions, currencies, and regulatory environments, we help businesses ensure seamless payment flows, improve approval rates, reduce fraud risks, and minimize operational disruptions. Our User Experience (UX) Testing focuses on usability, navigation and user flows, visual design consistency, and accessibility standards. Through feedback from real users in key markets, we identify experience gaps and obstacles that can hinder engagement, satisfaction, and conversions. We also deliver comprehensive QA testing for websites and applications, covering functional validation, usability assessment, performance testing, responsiveness, and cross-browser and cross-device compatibility. Through proactive bug detection, structured test cases, and detailed reporting, we support stable, high-quality releases and faster time-to-market. Our localization testing ensures products perform accurately across regions, languages, and cultural contexts. We verify content accuracy, formatting, regulatory alignment, and region-specific functionality to support confident global expansion. By combining global reach, industry-specific knowledge, and proven testing methodologies, we empower iGaming and fintech companies to scale efficiently, mitigate risk, and consistently deliver exceptional digital experiences worldwide.

Average Rating: 4.8/5.0

Total Reviews: 2

Who Is the Company Behind TestPapas?

Who Uses This Product?

  • Company Size: 150% Small, 50% Medium

What Are Recent G2 Reviews of TestPapas?

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Tesvan

Tesvan is an outsourcing company specializing in software testing and QA services. Being one of the biggest QA outsourcing companies in Armenia, Tesvan provides software testing and QA services to international and local companies. We plan, organize and maintain the whole process of software testing. Our professional team creates sustainable cooperative relationships with our clients and fulfills their business needs. Tesvan cares about quality as the key to success for every business. We help people to have a highly competitive and attractive product in a time-effective and cost-effective manner.

Average Rating: 5.0/5.0

Total Reviews: 2

Who Is the Company Behind Tesvan?

  • Seller: Tesvan
  • Year Founded: 2019
  • HQ Location: Armenia, AM
  • LinkedIn® Page: www.linkedin.com
    24 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Tesvan?

What Are G2 Users Discussing About Tesvan?

ThoughtCoders

Thoughcoders is the emerging Software testing company which provides wide range of Testing Services - Functional Testing, Automation Testing, Performance Testing, DevOps, Cloud Automation and Trainings. Thoughtcoders is recognized by Startup India and proudly innovating testing services for product companies.

Average Rating: 5.0/5.0

Total Reviews: 11

Who Is the Company Behind ThoughtCoders?

Who Uses This Product?

  • Company Size: 64% Small, 27% Medium

What Are Recent G2 Reviews of ThoughtCoders?

What Are G2 Users Discussing About ThoughtCoders?

Virtusa Corporation

We are builders, makers, and doers with the technical skills and domain expertise to transform your business at scale and speed without disruption. Our unique Engineering First approach blends deep industry expertise and empowered, agile teams, to create holistic solutions that seamlessly move the business forward. We help clients engage with new technology paradigms to creatively build solutions that drive them to the forefront of their industries.

Average Rating: 3.8/5.0

Total Reviews: 2

Who Is the Company Behind Virtusa Corporation?

  • Seller: Virtusa
  • Year Founded: 1996
  • HQ Location: Southborough, Massachusetts, United States
  • LinkedIn® Page: www.linkedin.com
    18,250 employees on LinkedIn®
  • Ownership: NASDAQ: VRTU

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Virtusa Corporation?

What Are G2 Users Discussing About Virtusa Corporation?

8th Light

We believe software is a craft born out of practice. Through our committed practice, we unlock potential that leads to quality solutions and ambitious work. 8th Light is a team of developers, designers, teachers, learners, users, collaborators, and leaders. We’re crafters, so we care about everything we create, building with integrity and in sustainable ways. And we find and nurture talent differently, prioritizing curiosity and creativity over credentials. By exemplifying the values of humanity, education, and ownership in everything we do, our crafters help clients master the challenges in front of them while building great opportunities ahead. 8th Light is a unique software design and development company, one that accelerates personal growth through challenging and influential work, a supportive culture, and transformative outcomes.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind 8th Light?

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of 8th Light?

What Are G2 Users Discussing About 8th Light?

AlgoTest

AlgoTest is a full stack algorithmic testing and execution platform. We allow you to backtest, paper trade, and also deploy your trading strategies to the live market.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind AlgoTest?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of AlgoTest?

Arrk Group

Founded 25 years ago in Manchester, UK, Arrk Group has undergone substantial growth, proudly establishing branches in both the UK and India. At Arrk, our mission is centred around empowering businesses to thrive by developing adaptable platforms that address our customers' current and future needs in the ever-evolving landscapes of business intelligence, martech & ad tech, and artificial intelligence. Leveraging extensive industry expertise, we enable organizations to adopt innovative AI engineering processes and methodologies, placing them at the forefront of competition, both presently and in the future. Our specialized services embrace AI/ML Engineering, Business Intelligence, Cloud & Infra, App Modernization, and more. We possess the expertise to support customers from both the public and private sectors on a global scale as they transition from traditional technological landscapes to AI-engineered platforms. With our diverse portfolio of services, Arrk seamlessly integrates leading AI, BI, Cloud & Infra, and collaboration platforms, solidifying our position as one of the foremost global partners in Artificial Intelligence and Machine Learning Technology.

Average Rating: 4.5/5.0

Total Reviews: 2

Who Is the Company Behind Arrk Group?

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About Arrk Group?

AI-generated summary from verified user reviews

Pros
  • Users value the enhanced communication skills gained through IT Consulting, appreciating its structured approach to improvement.
  • Users value the expertise of IT Consulting, gaining technical knowledge and enhancing their communication skills effectively.
  • Users gain valuable knowledge from IT Consulting, enhancing both technical skills and constructive communication.
  • Users benefit from the extensive knowledge gained through IT consulting, enhancing both technical skills and communication.
  • Users benefit from the knowledge depth of IT Consulting, enhancing both technical skills and communication abilities.

What Are Recent G2 Reviews of Arrk Group?

BlazeRunner

BlazeRunner is a premier provider of comprehensive software testing solutions, dedicated to ensuring the reliability and performance of your applications. With a team of seasoned experts, BlazeRunner offers a suite of services designed to meet the diverse needs of modern software development. Key Features and Functionality: - Performance Testing: Conducts various tests, including load, endurance, scalability, stress, spike, and volume, to assess and enhance system performance. - API Testing & Monitoring: Provides uptime monitoring with integrated data checks and supports notifications through channels like email, Slack, PagerDuty, and Microsoft Teams. - Mock Services: Creates virtual services to eliminate dependencies, facilitating faster and more comprehensive testing. - Test Automation: Develops and executes automated test scripts, integrating seamlessly with CI/CD tools to streamline the testing process. - Development Services: Offers custom plugin development and feature enhancements tailored to specific testing requirements. - Migration Support: Assists in transitioning from LoadRunner to BlazeMeter, ensuring a smooth migration process. - Scripting Services: Provides expertise in creating and editing scripts for tools like JMeter, Gatling, Selenium, and Taurus. - Managed Events: Prepares systems for high-volume events by setting up end-to-end scripting and analyzing results. - Test Data Management: Supplies accurate test data to create detailed and realistic testing scenarios. Primary Value and Solutions: BlazeRunner empowers organizations to deliver high-quality software by offering end-to-end testing services that identify and address potential issues before deployment. By leveraging BlazeRunner's expertise, companies can enhance application performance, ensure system reliability, and accelerate time-to-market, thereby maintaining a competitive edge in the fast-paced software industry.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind BlazeRunner?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of BlazeRunner?

Bluelight

Bluelight is a nearshore software development company connecting US startups and enterprises with rigorously vetted engineering talent from Latin America. We deliver custom software development, staff augmentation, and dedicated development teams — all timezone-aligned with your business. With engineers across 6 countries spanning the US, Canada, and LATAM, Bluelight helps you ship faster without sacrificing quality. Our deeply pre-screened talent pool covers a wide range of specializations: Full-Stack Development (React, Node.js, Python, Ruby on Rails, .NET, Java, Golang, Angular), iOS & Android Mobile Development, DevOps & Cloud Services (AWS, GCP, Azure, Kubernetes), QA & Test Automation, Business Intelligence & Data Science, and Custom AI Solutions. What sets us apart: - Timezone-aligned teams that collaborate in real time with your US or Canada-based staff - Month-to-month contracts with no long-term lock-in - 2-week risk-free trial so you can validate fit before committing - Thorough vetting process including technical assessments, video Q&As, and international background checks - Dedicated Account Manager from day one - SOC 2 Compliance support for security-conscious teams Whether you need to accelerate a product roadmap, scale an existing engineering team, or build a net-new platform, Bluelight gives you the talent and execution speed to get there — without the overhead of traditional hiring.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Bluelight?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Bluelight?

Calsoft

Calsoft is a leading digital product engineering services company that partners with ISVs, startups, and enterprises to accelerate software innovation. With 25+ years of deep domain expertise, we help build, modernize, and test platforms across Cloud, Edge, DevOps, Data & AI, and Virtualization. Headquartered in San Jose, California, Calsoft combines agility with engineering excellence to deliver impactful business outcomes.

Average Rating: 3.5/5.0

Total Reviews: 1

Who Is the Company Behind Calsoft?

  • Seller: Calsoft
  • Year Founded: 1998
  • HQ Location: San Jose, US
  • LinkedIn® Page: www.linkedin.com
    1,586 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Large

What Are G2 Users Discussing About Calsoft?

Charles Hudson Technology Solutions

Charles Hudson Technology Solutions is an independent testing services firm focused on helping major global brands and retailers in their journey towards QA maturity. We partner with global e-commerce brands to impact outcomes by improving the quality of the end-customer experience.

Average Rating: 4.0/5.0

Total Reviews: 1

Who Is the Company Behind Charles Hudson Technology Solutions?

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Charles Hudson Technology Solutions?

Clarion Technologies

Clarion Technologies is a leading IT Outsourcing company with 3 state-of-the-art development centers in India. Our unique engagement model helps our clients leverage the best of outsourcing world - high-quality resources, world-class technical supervision, and infrastructure. Clarion has been innovation partner for several small and medium enterprises and pioneering start-ups across the world. Our differentiated IT outsourcing model, agility, technical prowess, and flawless execution enables us to deliver immaculate projects across industry verticals such as IT, E-commerce, FinTech, E-learning, Digital Media, Healthcare, and Travel & Hospitality. With a strength of 400+ technically affluent engineers, Clarion has served more than 1000 clients across North America and Europe. Clarion Technologies focuses on Web & Mobile development, Cloud Strategy & Development, Internet of Things, Analytics & BI, Applications Testing, and Agile Project Management.

Average Rating: 5.0/5.0

Total Reviews: 4

Who Is the Company Behind Clarion Technologies?

Who Uses This Product?

  • Company Size: 25% Medium, 25% Small

What Do G2 Reviewers Say About Clarion Technologies?

AI-generated summary from verified user reviews

Pros
  • Users value the comprehensive services from Clarion Technologies, enhancing custom software for public safety efficiently and effectively.
  • Users are thrilled with the customer satisfaction provided by Clarion Technologies, highlighting their effective communication and reliability.
  • Users commend Clarion Technologies for their quick and efficient software development, enhancing product scalability and customer satisfaction.
  • Users commend Clarion Technologies for their expertise and quick software solutions, crucial for enhancing public safety applications.
  • Users commend Clarion Technologies for their deep knowledge and expertise, facilitating quick and effective software development solutions.

What Are Recent G2 Reviews of Clarion Technologies?

Custom Software Development

Hashlogics is an agentic AI development company founded by engineers who kept seeing the same failure: teams ship a demo, get paid, and disappear. The demo works. Real users are different. Senior engineers build every project from start to finish — no bench rotation, no handoff to juniors after the sale. The work covers AI agents that finish tasks and keep finishing them, voice AI agents with escalation designed in, RAG and knowledge systems that cite their sources, intelligent automation that runs unattended on the client's own infrastructure, and custom software built for how one business actually runs. Production is the hard part, so production is the standard. Evals, monitoring, documentation and escalation paths are part of the build. After launch, Hashlogics stays: maintenance under an SLA, or a documented handover that trains the client's own team. Nothing shipped needs Hashlogics to keep being involved for it to keep running — and the handover proves it. The commercial model is built for certainty. Scoping calls are free. Where an honest answer requires reading an existing codebase, a paid two-week diagnostic produces the scope, the risks and a fixed price — a document the client keeps either way. Clients span healthcare, insurance, fintech, logistics, manufacturing, oil and gas, legal, staffing, real estate and the trades. Named clients, published case studies and real metrics back every claim. Hashlogics is deliberately not the cheapest bid. It is the bid that still works in month seven.

Average Rating: 5.0/5.0

Total Reviews: 3

Who Is the Company Behind Custom Software Development?

  • Seller: Hashlogics
  • Year Founded: 2018
  • HQ Location: New York, US
  • LinkedIn® Page: www.linkedin.com
    93 employees on LinkedIn®
  • Phone: +15853757755

Who Uses This Product?

  • Company Size: 67% Small, 33% Medium

What Are Recent G2 Reviews of Custom Software Development?

Adam Crivello
AC
Researched and written by Adam Crivello
Updated October 12, 2026