QA & Software Testing Services
QA & Software Testing Services That End In A Written Sign-Off
Most teams do not lack testing. They lack an agreed answer to one question: what has to be true before this release goes out. We write that answer down first, then build the manual passes, the automated suites and the regression runs that prove it, release after release.
Triple Protection Guarantee
- US-Registered Entity
- Signed IP Assignment
- Senior Engineers Only
Triple Protection Guarantee:
- US-Registered Entity
- Signed IP Assignment
- Senior Engineers Only
Years In Business
0
+
Engineers On Staff
0
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Avg. Engineer Exp.
0
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Where QA Pays Off
Test Strategy
Not Ad Hoc
Senior Engineers
Vetted Only
Timezone Overlap
Live Hours
Regression Set
Runs Nightly
Delaware LLC
US Entity
Device Matrix
Real Devices
Defect Triage
Reproducible
Written Release Gate
Documented
Suite Is Yours
Handed Over
IP Assignment
Signed
Delivery Overlap
Fixed
Hours
Tests & IP Owner
You
Trusted By Startups
What Our QA & Software Testing Really Covers
QA testing in software is the practice of deciding what "working" means, then proving it before users have to. It runs wider than clicking through a build: a written test strategy, manual passes where judgement matters, automated suites where repetition matters, regression before every release, and exit criteria that say plainly whether the release goes out. Without those criteria, testing produces opinions rather than a decision.
Stallyons is registered in Delaware as a US company, and our team works a time-zone window agreed before the project starts, with four-plus hours of daily overlap. You sign a US contract, run diligence on a US entity and pay one US invoice. Behind the work sits twelve-plus years of delivery across six continents and around thirty-five engineers, averaging four-plus years of production experience. Our testers sit alongside the people who build software here, which is why defect reports arrive already reproducible.
What A QA Engagement Covers
A test strategy before a test case: what carries real risk, what gets covered, what deliberately does not, and the exit criteria a release has to meet, all agreed in writing while it is still cheap to argue.
Manual where judgement matters: exploratory sessions, edge cases, awkward data and the paths a script never thinks to walk, run by people who have used software like yours before.
Automation where repetition matters: stable suites at unit, API and interface level, wired into your pipeline so a regression run is a routine event rather than a project.
Defect reports somebody can act on: exact steps, build number, environment, expected against actual, evidence attached, and a severity agreed rather than asserted.
Coverage across real devices and browsers: a written matrix agreed with you, tested on physical handsets as well as emulators, and revisited as your users change.
One accountable vendor: one contract, one invoice and one entity for legal and finance to run diligence on, instead of a spread of contractors across four jurisdictions.
Why Product Teams Buy QA And Software Testing Services
- Ask what the exit criteria are before testing starts. If nobody can state them, then "ready to ship" is a feeling, and it will be argued about at five o'clock on a Friday.
- Ask to see a defect report. Steps, build, environment, expected against actual and evidence, or two sentences and a screenshot that costs a developer an hour to reproduce.
- Ask how flaky tests are handled. A suite everyone ignores because it fails at random is worse than no suite, because it still costs time on every run.
- Ask which devices and browsers are actually covered. A matrix written down and agreed with you is very different from whatever hardware happens to be on the tester's desk.
- Check the exit before you need it. The test cases, the automation code, the environments and the test data all sit in your own repositories, so leaving is administration.
- Ask who maintains the suite afterwards. Automation that nobody updates decays quietly, and the first person to leave takes the reasoning behind it with them.
How To Start A QA Engagement Safely
Every project starts with a free 45-minute scoping session. No slide deck, no sales script. You bring the product, the release cycle and the defects that got through; you leave with a test plan and a timeline.
We are selective about new projects and cap how many we run at once, because the scoping is the product. If what you need is a build change rather than more testing, we will say so before you buy it.
Why Clients Choose Us
Full
Written IP Transfer
USA
Contract Entity
Yours
Tests & Accounts
Named
Senior Level
Ready to stop finding your bugs in production?
What Our QA Team Delivers
The Software Testing Services We Deliver
Every product carries risk in a different place, and the underlying jobs repeat: decide what matters, test it by hand, automate what repeats, prove nothing broke and say plainly whether it ships. These are the pieces we deliver most often.
Test Strategy & Plans
Scope, risks, coverage, exit rules
Documented
Manual Testing
Exploratory, scripted, edge cases
Human Judged
Test Automation
UI, API and unit-level test suites
CI Ready
Regression Test Suites
Before every release, every time
Nothing Slips Back
API Testing
Contracts, payloads, errors
Contract OK
Performance Testing
Load, soak, spike, thresholds
Measured
Security Test Passes
Auth, roles, input, sessions
Probed
Accessibility Testing
Contrast, keyboard, screen readers
Checked
Device & Browser Labs
Real handsets, browser matrix
Matrix Kept
Release Gate & Sign-Off
Criteria, evidence, written call
Yours To Call
Not sure where your quality is leaking? Let us map it.
Common Challenges
Why Do QA Testing Efforts Fail?
Six patterns behind almost every release that shipped a defect somebody had already seen once. All six are process.
Tested Too Late
01
Testing starts once the build is finished and the release date is already fixed. Whatever is found then competes directly with the launch, and the launch usually wins the argument.
No Exit Criteria Set
02
Nobody wrote down what "ready" means, so the decision falls to whoever sounds most confident in the room on the day, and it changes each release.
Flaky Automation Runs
03
The suite fails at random, so people start rerunning it until it passes. It now costs time every day and tells the team nothing it trusts.
Vague Bug Reports
04
A screenshot and the phrase "does not work". A developer spends an hour recreating it, sometimes fails, and closes the ticket as unable to reproduce while the defect stays in.
One Device, One Browser
05
Everything is checked on the newest phone and one desktop browser. The users on older handsets and other browsers then act as the test team, in public, after release.
Regression Left To Luck
06
Only the new feature gets tested, on the assumption the rest still works. The bug that returns is always in the part nobody thought to look at again.
Recognise a few of these? Let us fix them.
Our QA Testing Services
6 QA & Software Testing Services We Run
Six ways to buy testing from one accountable vendor. Run one, or run several in parallel under a single contract.
QA Strategy And Test Setup
01
Risk mapped, coverage agreed, environments and test data prepared, and exit criteria written down, so every later conversation about shipping refers to the same document.
Manual Testing Runs
02
Scripted passes for the paths that must never break, and exploratory sessions for the ones a script would never try, each written up with steps and evidence attached.
Test Automation Builds
03
Stable suites at unit, API and interface level, built in your own repository and wired into your pipeline so results arrive with every merge.
API & Integration Testing
04
Contracts, payloads, authentication, rate limits and the failure paths between services, tested directly rather than inferred from the interface above them.
Performance & Load Tests
05
Load, soak and spike runs against agreed thresholds, on the same product our web application development teams build and scale.
Accessibility Test Passes
06
Contrast, keyboard navigation, focus order and screen-reader behaviour checked against WCAG 2.1 AA criteria, reported screen by screen with the fix described.
Not sure which piece you need first? Let us scope it together.
Why Choose Us
What Makes Our QA & Software Testing Services Different
The details that decide whether QA catches a defect or merely reports it afterwards.
A US Legal Entity
01
Stallyons is registered in Delaware. Your contract, your invoice and your legal recourse sit with a US company, not an unknown one.
Exit Criteria First
02
What has to be true before a release ships is written down before testing starts, so the go or no-go call is a reading rather than a debate.
Overlap You Set
03
You choose the hours we share with your working day, and stand-ups, reviews and escalations all happen inside that window.
Suites You Can Keep
04
Automation lives in your repository from the first commit, written to your conventions, so your own engineers can read and extend it after we finish.
Reviewed Code
05
Every merge is reviewed against an agreed definition of done, on your board, where you can read it yourself.
One Contract
06
One contract covers the engagement, so procurement, legal and finance each deal with a single named counterparty.
Ready to see what disciplined QA actually looks like?
Our Process
From First Call To Release Sign-Off In Six Steps
A testing process that settles risk, coverage and exit criteria before any test runs.
Discovery
Understand the product, risks and release cycle
Scoping
Agree the coverage, scope and the cost
Design
Test plan, test cases and the exit criteria
Contracting
NDA, IP assignment, access and onboarding
Execute
Run the suites, triage every defect
Sign-Off & Keep
Written call, then the suite is yours
Want to see how this maps to your roadmap?
Technology Stack
The Toolkit Behind Our Software Testing
The test types we run, the frameworks we automate in, and the pipelines the results are reported to.
Testing Types
Functional Tests
Regression Set
Smoke & Sanity
Exploratory
UAT Support
Automation Frameworks
Selenium 4
Playwright Suites
Cypress Specs
Appium
Pytest & TestNG
API & Contract
REST Endpoints
GraphQL Calls
Postman Collections
Mock Servers
Node.js Test Harness
Load & Stress
JMeter Plans
k6 Scripts
Soak Testing
Datadog Dashboards
PostgreSQL Loads
CI & Reporting
GitHub Actions CI
Docker Grid
Java Test Stack
TypeScript Test Specs
Defect Dashboards
Who We Run QA For
QA & Software Testing Services For Every Kind Of Team
Eight kinds of team with different release cycles and one shared need: knowing what shipped actually works.
SaaS & Web Products
Releases, upgrades, multi-tenant
Mobile App Product Teams
Store builds, devices, OS updates
Retail & E-Commerce
Checkout, payments, peak load
Fintech & Banking
Ledgers, limits, audit trails
Healthcare Platforms
Records, access, safety checks
Education And Learning
Cohorts, assessments, load
Logistics & Supply
Routing, scanning, tracking
Enterprise IT Programmes
Integrations, migrations, UAT
Working in another sector? See all industries we serve.
How We Compare
Your QA & Software Testing Options, Compared
An honest look at your four delivery options.
| Capability | Developers Testing Their Own Work | Freelance Tester | Large Test Vendor | Stallyons Technologies |
|---|---|---|---|---|
| Written exit criteria per release | ✕ Decided on the day | If asked for | Standard template | Agreed before testing starts |
| Reproducible defect reports | Varies by person | Varies by person | Templated | Steps, build, evidence |
| Regression before every release | ✕ New feature only | Time permitting | Scheduled | Automated, runs every time |
| Real device and browser matrix | ✕ Their own machine | Whatever is to hand | Device lab | Written and agreed with you |
| Who owns the automation code | Your repository | Often theirs | ✕ Vendor platform | Your repository, your conventions |
| Independence from the build team | ✕ Marking own homework | Independent | Independent | Separate QA reporting line |
| Contracting entity & IP | Your own payroll | ✕ Marketplace terms | Varies | US-registered LLC, signed first |
See the difference for yourself
Complete Engagement
Everything Included In Your QA & Software Testing Engagement
From Scoping to Contracting to Delivery, One Vendor
Here is everything included when you run your testing with us:
One QA Engagement Price: No Hidden Fees, No Surprises.
Every QA engagement includes all eight components above. One contract, one senior team, one predictable cost, and no vendor sprawl.
🔒 No obligation. We'll deliver a detailed proposal within 48 hours.
Plus, Get These Free Bonuses
Free QA Health Check
A written read on where defects are escaping, what your suite does not cover, and which release step is doing the least work, ordered by risk. Yours to keep.
Included Free
Test Plan And Estimate
A phased test plan with scope, coverage, the environments it needs and a transparent, itemised estimate for the engagement.
Included Free
Free Vendor Checklist
The questions we would ask any software testing company about criteria, coverage, flakiness and handover, so you can test us on them too.
Included Free
Risk-Free Partnership
Our QA & Software Testing Promise
We stand behind every engagement with commitments that protect your investment.
01
Scope Agreed First
Scope, model, working hours and cost structure are written down and agreed before contracting, so nothing is discovered later.
02
Built to Last
Senior developers, code review, automated tests, security and accessibility audits, and clean, documented code you fully own.
03
IP And Access Protected
NDA and IP assignment are signed before access, permissions are scoped per person, and your accounts stay under your control.
Start your QA engagement with confidence, backed by our Triple Protection Guarantee.
Track Record
Engagements That Ship, Scale, and Compound
500+
Projects Delivered
29+
Service Categories
81%
Repeat Client Rate
4.9 ★
Clutch Rating
"Stallyons took our Figma design and built it into a live web application, a cognitive game with level-based match play, messaging, a tutorial, and a directory that ranks users nationally. What impressed me most was their grasp of the code behind that logic, and the quality of the experience. Delivered on time with steady updates."
Jerry L.
Founder
PicCiti LLC
"We brought Stallyons in to absorb an overflow of work, and they delivered ten iOS and Android apps, from reporting to geo-location for logistics, plus several backend systems, owning design, development, and app-store submission. Everything stood out: code quality, speed, and reliability. Perfect code, on time, adopted company-wide."
William B.
Director
Amplo Solutions
FAQ
Frequently Asked Software Testing Questions
QA testing in software is the practice of deciding what “working” means for a product, then proving it before users have to find out. In practice it covers a written test strategy, manual passes where judgement matters, automated suites where repetition matters, regression before every release, and exit criteria that decide whether the build ships. Without those criteria, testing produces opinions rather than a decision.
QA is the wider discipline: deciding what carries risk, what gets covered and what “ready” means. Manual testing is a person exercising the product, which is where exploratory work, awkward data and judgement calls live. Test automation is code that repeats known checks quickly and consistently, which is what makes regression affordable. Teams that buy only automation usually miss the defects nobody thought to write a check for.
Cost follows how much of the product is in scope, how much automation is being built rather than run, how many devices and browsers the matrix covers, and how often you release, so a figure before scoping is guesswork. Automation build effort moves it most. We scope first, then price, and itemise each phase so you can cut before you commit rather than after.
Ask for a sample defect report and a sample exit-criteria document before you ask about tools. Those two artefacts tell you whether a software testing company produces decisions or just activity. Then ask how flaky tests are handled and who maintains the suite once the engagement ends, because both answers determine whether the work still helps you a year later.
You do, from the first day. Automation code lives in your repository, written to your conventions; test cases, environments and test data stay in your accounts, and NDA and IP assignment are signed before anyone gets access. Nothing is locked inside a vendor platform you would have to keep paying for.
Both, and the split is a decision rather than a preference. Manual testing services cover exploratory work, first passes on new features, awkward data and anything where a person notices what a script cannot. Automation takes the checks that repeat every release. Automating a case nobody has yet understood by hand is how brittle suites get built.
Against the exit criteria agreed at the start, not against a feeling on the day. Those criteria name which tests must pass, which severities block a release, what coverage the regression run has to reach and what evidence is attached. The call is written down with the evidence beside it, and the decision to ship remains yours.
We wire test suites into a pipeline you already have, and report results back into it. Building or rebuilding the pipeline itself, along with environments, containers and monitoring, is a different discipline and sits with our cloud app development team. Plenty of clients run both together under one contract.
Still have questions? Let's talk.
Schedule an appointment with us today!
Ready To Ship Without Guessing At Quality?
Get a free consultation. We will look at your release process, name where defects escape, and send a written proposal.
