Ship software your users can trust
Catch defects before your customers do. Expert manual testing and modern test automation for software you can release with confidence.
Quality is what your users remember
Your users never notice the hundreds of things that go right. They remember the one that doesn’t: the checkout that froze, the form that lost their data, the screen that crashed on their phone. That single moment is where trust is won or lost.
That’s the job of quality assurance. At Tark, our QA and software testing services catch the bug your customer would have found, before they ever do. We pair experienced manual testers with modern test automation to cover what really matters: functionality, performance, security, and the real-world edge cases that scripts alone miss.
Need a QA engineer embedded in your team, a dedicated testing squad, or a final check before a big launch? We right-size the coverage to your product and your risk, so you can ship faster and with total confidence.
Full-Cycle Quality Assurance
From the first sprint to the final release, we cover the testing your product needs to ship with confidence.
Functional Testing
We verify every feature works exactly as intended, across the user flows and edge cases your customers actually hit.
Security Testing
We find vulnerabilities before attackers do, protecting sensitive data and the trust your users place in you.
Performance Testing
Load and stress testing that proves your system stays fast and stable under real-world and peak-season traffic.
Compatibility Testing
A consistent experience across the devices, browsers, and operating systems your audience really uses.
Usability Testing
Real-user validation that your product feels intuitive, not just functional.
Automation Testing
Automated UI, API, and regression suites that run on every build, so repeat checks stay fast and nothing slips through twice.
Why Choose Us
With a 98%+ client-retention rate and recognition as a Top IT Services Company in Pittsburgh (2025), here’s what makes teams trust us with their software quality:
Proficient QA Engineers
Experienced testers who sweat the details: sharp, communicative, and accountable to your timeline and budget.
100% Transparency
You see what we see: clear scope, honest status, no surprises.
Seamless Communication
A dedicated point of contact, daily stand-ups, and regular demos, so you always know where things stand.
Safeguarding Your Ideas
Every engagement starts with an NDA. Your IP and confidentiality are non-negotiable.
Super Secure Environments
Firewall, Antivirus, VPN, endpoint security, and multi-factor access protect your data and code throughout.
No-Billing Guarantee
If you’re not satisfied with the quality of our work, you don’t pay for it.
Frequently Asked Questions
Both. We start by recommending the right mix for your product: automation for the stable, repetitive paths, and manual testing for exploratory, usability, and brand-new features.
Yes. We test healthcare applications with security and data-privacy practices aligned to HIPAA expectations, including validation of patient-facing and clinical workflows.
We run performance and load testing that simulates peak-season traffic, so checkout, payments, and inventory hold up when volume spikes.
Yes. We provide embedded QA engineers and dedicated teams that plug into your sprints, tools, and communication channels.
Typically within two to four weeks, depending on scope and the skill set required.
Every engagement begins with an NDA, and IP-confidentiality terms are written into the contract.
