Automation testing services use software to run your tests, so checks that used to take a person hours can run in minutes on every build. This guide explains what an automation testing company delivers, when automation pays off, which tools are common, and how to choose a provider.
What automation testing services include
- Automation strategy: deciding which tests to automate first and which to keep manual.
- Framework design: building a test framework your team can maintain, not a pile of one-off scripts.
- Test script development: for web, mobile and API testing.
- CI/CD integration: running the tests automatically on every build or release.
- Maintenance: updating tests when the product changes, and fixing flaky tests.
- Reporting: clear results showing what passed, what failed and why.
When automation pays off
- You release often, and regression testing takes days.
- The same checks are repeated every release, such as login, checkout and core flows.
- You need to test across many browsers or devices.
- The feature is stable enough that its tests will not change every week.
Automation is less useful for brand-new features that are still changing, and for judging how a product feels to use. Those stay with manual testers. Most teams use both.
Common automation tools
The right tool depends on your product and your team. Popular choices include Selenium, Cypress and Playwright for web applications, and Appium for mobile apps. Stelo Technology works with several of them: see our pages on Playwright, Cypress, Selenium and Appium. Ask any provider why they would pick a particular tool for your project, not just what they use.
What affects the price
- The number of test cases and user flows to automate.
- Platforms: web only, or web plus iOS, Android and APIs.
- How much test data and environment setup is needed.
- Whether you need ongoing maintenance or a one-off build.
- The size and seniority of the team.
Ask each provider to quote the same written scope so you can compare like with like.
How to choose an automation testing company
- See a sample framework, not just a list of tools.
- Ask how they handle flaky tests and keep tests maintainable.
- Check CI/CD experience with the tools you already use.
- Ask what you own if the contract ends: scripts, framework and documentation.
- Look for real results in case studies and independent reviews.
- Start with a trial on one critical flow before committing.
Automation and AI
AI can speed up writing and maintaining automated tests, but the output needs a human to review it. Read more in our post on whether AI can do QA testing.
Frequently asked questions
Will automation replace manual testers? No. Automation handles repetitive checks. People are still needed for exploratory testing, usability and new features.
How much should we automate? Start with the highest-risk, most repeated flows, then grow. Automating everything is rarely worth the maintenance cost.
Can we try it first? Yes. Stelo Technology’s trial includes automating a critical flow on your product.
Try automation on your own product
Stelo Technology provides automation testing services for web and mobile products. Start a risk-free 2-week trial: we onboard, test your current sprint, automate a critical flow and send a quality report. You keep the bug reports and test cases either way.