QA Services That Catch What Your Team Misses — Before Your Users Do.
We provide comprehensive QA and software testing services — from automated test suites and performance benchmarks to manual exploratory testing and security audits. Our QA engineers integrate with your team to ship confident releases, every sprint.
Trusted by Product Teams Worldwide
Sound Familiar?
Critical bugs keep making it to production — and your users find them first.
Your team tests what they built, but developer-written tests miss edge cases, race conditions, and real-world usage patterns. Every hotfix erodes user trust and costs 10x more than catching it before release.
Manual testing is your bottleneck — every release takes a week of regression.
Your test suite is 500 manual test cases in a spreadsheet. Every release requires 3-5 days of regression testing, and your QA team is still finding issues on day four. You ship late or you ship broken.
You have automated tests — but nobody trusts them.
Your CI pipeline has 2,000 tests that take 45 minutes to run. Half are flaky, a quarter test implementation details instead of behavior, and your developers skip the pipeline when deadlines hit.
Security vulnerabilities are hiding in your codebase — and your next audit is coming.
You haven’t run a penetration test since launch. OWASP Top 10 vulnerabilities, unvalidated inputs, broken authentication — the security gaps that compliance auditors and hackers both look for are probably there.
Performance degrades under load — and you find out during your biggest traffic day.
Your application works fine in development. But with 10,000 concurrent users, response times spike from 200ms to 8 seconds, the database connection pool exhausts, and your infrastructure auto-scaling can’t keep up.
You can't hire QA engineers fast enough — and your developers are doing their own testing.
Senior QA engineers are scarce. Your developers are writing their own tests, reviewing their own code, and context-switching between feature development and bug triage. Quality is suffering because nobody owns it.
The Cost of Shipping Bugs
Bugs found in production cost 6-10x more to fix than bugs caught during development. For enterprise software, a single critical production incident can cost $100K+ in emergency response, customer compensation, and lost revenue.
These aren’t edge cases. They’re the exact situations engineering teams bring to our software testing company — usually after a production incident that shouldn’t have happened.
QA & Testing Services
Automated Testing & CI/CD Integration
For teams that need reliable test automation at scale.
We build and maintain automated test suites — unit, integration, E2E, API — integrated into your CI/CD pipeline. Every pull request gets tested automatically, every release gets a confidence score.
- Test automation covering unit, integration, E2E, and API layers
- CI/CD integration with parallel test execution under 15 minutes
- Flaky test detection and elimination
- Test coverage dashboards with actionable reporting
Manual & Exploratory Testing
For teams shipping features that automation can't fully cover.
Our QA engineers perform structured exploratory testing, usability testing, cross-browser/cross-device verification, and regression testing. We find the bugs that automated tests miss — the ones real users hit.
- Exploratory testing catching edge cases automation misses
- Cross-browser testing on 20+ browser/OS combinations
- Regression testing for every release cycle
- Detailed bug reports with reproduction steps and severity ratings
Performance & Security Testing
For teams preparing for scale or compliance audits.
We run load testing, stress testing, penetration testing, and security audits. You get a clear picture of where your application breaks under pressure and where attackers would find entry points.
- Load testing simulating 10K-100K+ concurrent users
- Penetration testing following OWASP methodology
- Performance bottleneck identification with fix recommendations
- Security audit reports ready for compliance review
How We Deliver QA Services
QA Audit & Strategy
We audit your current testing practices, codebase, CI/CD pipeline, and bug history. You get a QA strategy document with specific recommendations, tool choices, and a testing roadmap prioritized by risk.
Test Planning & Setup
We design test plans, set up testing infrastructure, configure test frameworks, and create the initial test suite structure. Automated testing pipelines are integrated with your existing CI/CD system.
Sprint-Aligned Testing
Our QA engineers work within your sprint cadence. Every feature gets tested before merge — automated tests run in CI, manual testing covers UX and edge cases, regression runs before every release.
Test Automation Development
We continuously expand automated test coverage — new E2E flows, API contract tests, visual regression tests. The test suite grows with your product and catches regressions before they reach staging.
Performance & Security Reviews
Scheduled load tests, stress tests, and security scans. We track performance trends over time and catch degradation before it impacts users. Penetration tests are run quarterly or before major releases.
Reporting & Optimization
Weekly quality reports, bug trend analysis, test coverage metrics, and flaky test elimination. We optimize the test suite for speed and reliability so it stays a trusted safety net, not a bottleneck.
QA & Testing Technology Stack
We use industry-standard tools across every testing layer — from unit tests to production monitoring.
Test Automation
Unit & Integration
Performance Testing
Security Testing
CI/CD & Reporting
Monitoring
QA Results We've Delivered
Real projects. Measurable quality improvements.
QA Overhaul for Video Conferencing Platform
Stusan Europe
Challenge: Implement comprehensive automated testing for a real-time video platform with complex WebRTC flows, multi-participant sessions, and cross-browser compatibility requirements.
- E2E test suite covering 85% of critical user flows
- CI pipeline execution reduced from 45 to 12 minutes
- Production bug rate decreased by 73%
- Cross-browser testing on 25+ configurations
Security Audit for Healthcare Platform
Healthcare Provider Germany
Challenge: Conduct comprehensive security testing and penetration testing for a KBV-certified telemedicine platform handling sensitive patient data under strict German healthcare regulations.
- 14 critical vulnerabilities identified and resolved pre-launch
- Full OWASP Top 10 assessment with remediation
- Encryption audit for all data in transit and at rest
- Compliance-ready security documentation for KBV certification
Performance Testing for Messaging Platform
Enterprise Client USA
Challenge: Load test and optimize a real-time messaging platform to handle 100K+ concurrent WebSocket connections with sub-second message delivery.
- Load tested to 150K concurrent connections successfully
- Message delivery latency reduced from 800ms to 120ms
- Database query optimization reducing 95th percentile response time by 65%
- Auto-scaling strategy validated under 10x traffic spikes
What Our Clients Say
“They know the inner workings of the tech and were able to inherit our semi-functional code and get it to work where multiple prior teams couldn’t.
“Trembit are developing our Adobe Air SDK for the last 3 years. The team is always responsive and helpful when we need their help and expertise.
“The Trembit team demonstrated deep expertise in real-time communication and delivered a scalable video infrastructure that handles thousands of concurrent streams.
Why Choose Trembit for QA Services?
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98% Bug detection rate
Catch Everything
Our multi-layer testing approach — automated + manual + exploratory — catches 98% of bugs before they reach production. The other 2% are cosmetic edge cases, not showstoppers.
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80%+ Avg test coverage
Quality Standards
Every project we test reaches 80%+ code coverage with meaningful, behavior-driven tests. Not vanity metrics — real coverage that catches real regressions.
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2-Week Sprint integration
Embedded in Your Process
Our QA engineers work inside your sprints, attend your standups, and test features as they’re built — not after the sprint is over. Quality is continuous, not a phase.
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12+ Mo Average engagement
Long-Term Quality Partner
QA isn’t a one-time audit — it’s an ongoing discipline. Most clients keep our QA team embedded for 12+ months as their product evolves and test suites grow.
Flexible QA Engagement Models
Dedicated QA Team
QA engineers, automation specialists, and a QA lead embedded in your development process. Full-time, fully integrated.
Best for: Products with continuous releases, complex test requirements, and ongoing QA needs.
Sprint-Based QA
QA resources allocated per sprint. We test what you build each cycle — manual + automated — and scale up for major releases.
Best for: Teams with periodic testing needs or those supplementing an existing QA team.
QA Audit & Consulting
A focused engagement to assess your current QA practices, test infrastructure, and quality metrics. Delivered as a report with actionable recommendations.
Best for: Teams unsure where to start, preparing for compliance, or evaluating their testing strategy.
Frequently Asked Questions
Let’s Improve Your Software Quality
Tell us about your project and we’ll get back within 24 hours with a free QA assessment and recommendations.
Whether you need full QA outsourcing, test automation, or a one-time security audit — we’ve helped 200+ teams ship with confidence.