Software Testing Services
Ship high-quality software faster with our software testing services across automation, API, security, and regression.
300+ Glowing 5-Star Reviews
Fast release cycles become harder to manage when defects, security gaps, limited test coverage, or performance issues reach production. Our software testing services help you catch problems earlier, strengthen product stability, and keep quality aligned with every sprint.
Outcome You Need:Fewer production defects, smoother releases, and stronger confidence before every launch.
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Outcome You Need:Faster, repeatable testing that reduces manual effort and supports frequent releases.
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Outcome You Need:A secure, accessible, high-performing product users can trust.
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Outcome You Need:A flexible QA team that works closely with your developers, improves coverage, and keeps releases moving.
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From sprint-level testing to automation, API validation, performance checks, and QA consulting, our outsourced QA services help you cover the quality work your product roadmap demands. As an agile QA outsourcing company, we provide flexible QA support that fits your release cadence without adding unnecessary in-house overhead.
Our QA outsourcing services give your team access to skilled testers, QA leads, and quality engineers for ongoing product development, release cycles, and long-term quality improvement, keeping test planning, reporting, defect tracking, and release readiness aligned with your product goals.
Our automation testing outsourcing specialists build automation suites around high-value test cases — reducing repetitive manual effort, speeding up regression cycles, and creating reliable checks for frequent releases. We also apply AI-assisted test generation, self-healing scripts, and agentic AI testing approaches where autonomous agents can observe, reason, and validate application behavior. This helps reduce effort and improve coverage across your pipeline, including testing AI-powered features, LLM outputs, and agentic workflows.
Our functional testing services and regression testing services validate business-critical workflows, user journeys, mobile behavior, and release stability before updates reach users. This gives your team stronger coverage across new features, existing functionality, browsers, devices, and operating systems, without slowing down development.
Our API testing specialists validate data flow, authentication, error handling, and backend behavior across connected systems, including payment platforms, CRMs, ERPs, and cloud services. We also support contract testing, including Pact-based validation, to catch API schema mismatches and service-to-service integration risks early. We build automated breaking-change detection directly into your pipeline, so your team catches issues before they reach production.
Our performance, security, and accessibility testers identify bottlenecks, vulnerabilities, compliance gaps, and usability barriers before they affect users or business operations. Every engagement is aligned with ISO 27001 and SOC 2 Type II practices, helping you ship software more quickly, securely, and accessibly from the start.
Our QA consultants assess your current process, tools, test coverage, automation readiness, release risks, shift-left testing opportunities, and TestOps maturity to build a practical quality roadmap for your team. As an experienced QA outsourcing company, we help you improve test planning, QA workflows, tooling decisions, early defect prevention, CI/CD-integrated testing practices, and long-term quality engineering maturity, including where AI-assisted practices can add real value in your delivery model.
Our QA approach finds issues earlier, reduces release risk, and keeps quality aligned with your product goals. From strategy and test setup to execution, reporting, and continuous improvement, we follow a structured process to deliver software faster and more safely.
We assess requirements, user journeys, integrations, and risks to define clear testing priorities from the start.
Our testers define scope, tools, timelines, resources, and testing methods based on your release goals and delivery model.
Our team creates test cases and identifies repeatable scenarios suitable for automation and long-term QA efficiency.
We create production-aligned testing environments, test accounts, datasets, and integration points to ensure reliable validation of features, workflows, and system behavior before release.
Our QA engineers run tests, clearly log defects, and support faster fixes by providing priority and severity details throughout.
We share test reports, release insights, and improvement recommendations for stronger, more confident future QA cycles.
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Your product, our dedicated team. From concept to completion, we handle it all.
Need extra hands? Our experts seamlessly join your team, providing the skills you need, when you need them.
Upfront price, guaranteed delivery. Your project completed on time and within budget.
Access our in-house pool of 100+ QA engineers, automation testers, QA leads, and quality engineers. Review profiles, interview shortlisted candidates, and select the specialists who match your testing needs, tools, domain, and delivery model.
Request QA ProfilesOnce selected, your QA engineers work as an extension of your product team. They join your sprint cycles, testing workflows, standups, reporting tools, and release process to support test planning, defect tracking, automation coverage, and release readiness.
Book a QA Team ConsultationIncrease QA support during major releases, regression cycles, platform upgrades, or high-volume testing periods, and scale down when workloads reduce. We help you stay flexible without compromising product quality, delivery speed, or cost control.
Build Your QA TeamWe offer a full range of digital engineering services to help you achieve your business goals. Let us be your trusted partner in bringing your vision to life with end-to-end solutions tailored to your specific needs.
97 out of 100 Clients Have Given Us a Five Star Rating on Google & Clutch
We make it straightforward to access skilled QA engineers, scale your testing capacity, and improve software quality without building an in-house QA function.
Your codebase, test data, and intellectual property are protected under ISO 27001 and SOC 2 Type II certified security standards.
Your outsourced QA team works under your direction with full transparency into test progress, open defects, ownership, and release readiness.
Augment your team with experienced QA engineers and automation specialists skilled in modern testing tools, frameworks, and QA methodologies.
Our HR, operations, and infrastructure teams manage onboarding, payroll, workspace, systems, and day-to-day support for your QA engineers.
Regular training, career development, and engagement programs help us retain motivated QA testers, build stronger product knowledge, and ensure continuity across projects.
Payroll, taxes, benefits, equipment, leave management, and infrastructure are fully managed, giving you dedicated QA talent without operational overhead.
Our clients can reduce quality engineering costs by up to 50% compared to equivalent in-house teams without compromising QA coverage or expertise.
Clients rate us highly for technical depth, personal relationships, and proactive communication that keeps QA from becoming a delivery bottleneck.
Our quality engineers cover functional testing, automation testing, performance, security, accessibility, and mobile testing across every stage of delivery.
Our QA testers provide regular defect reports, test progress updates, and release readiness summaries, so stakeholders always know project status.
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A stronger QA process helps your team catch issues earlier, reduce release risks, and improve product reliability. These FAQs explain how our software testing services work and what you can expect from our testers.
You can usually start quickly after we understand your testing needs, tools, timelines, and required skills. We shortlist suitable QA engineers, arrange interviews, and help you onboard the selected testers into your workflow.
Yes. Capital Numbers offers a risk-free trial so you can evaluate our QA engineers, communication quality, testing approach, and delivery fit before committing to a longer engagement.
Yes. Our QA engineers work with clients across the US, UK, Europe, Australia, and other global markets. We provide time-zone overlap, regular updates, sprint participation, and direct communication for smooth collaboration.
Our QA engineers work with Selenium, Cypress, Playwright, Appium, JMeter, Postman, REST Assured, TestRail, Jira, BrowserStack, GitHub Actions, Jenkins, and other modern QA, automation, API, performance, and CI/CD tools.
Capital Numbers follows SOC 2 Type II and ISO 27001-certified processes, NDA-ready engagement models, access control, secure data handling, and audited security practices to protect your product, data, and intellectual property.
QA outsourcing lets you delegate testing ownership to an external QA team. QA staff augmentation adds skilled QA engineers to your existing team. Capital Numbers supports both models based on your delivery structure, control needs, and project goals.
Yes. If a QA engineer does not match your expectations, project needs, or collaboration style, we help you replace them with a more suitable resource from our in-house QA talent pool.
Yes. We provide mobile app testing for iOS, Android, cross-platform apps, devices, browsers, OS versions, performance, usability, security, accessibility, and regression scenarios.
Our QA engineers have experience across healthcare, fintech, ecommerce, SaaS, education, logistics, media, travel, real estate, and enterprise software. We align testers based on your domain, compliance needs, and product complexity.
We offer manual testing, automation testing, functional testing, regression testing, API testing, performance testing, security testing, accessibility testing, compatibility testing, mobile app testing, and end-to-end QA outsourcing services.
Yes. You can hire Selenium testers from Capital Numbers and manage them directly as part of your extended team. You control tasks, priorities, test coverage, reporting, and sprint participation.
Yes, you can hire our Selenium testers and manage them directly as part of your extended team. You stay in control of tasks, priorities, progress, and test coverage.
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Playwright
Cypress
Tosca
J-meter
Postman
SoapUI
Selenium
TestNG
GIT
SVN
Jira
Redmine
Appium
Pytest
K6
Bruno
GitHub Actions
GitLab CI
Git
Allure
ExtentReports
BrowserStack
LambdaTest
Linear
