Best Testing and QA Services in United States

Top Testing and QA agencies in United States to ensure software excellence.

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Found 1470 matching agencies

D
Digital Defense
Safeguarding Your Organization's Network with Vulnerability Management

🇺🇸

50+

150+ usd / hr

26 years

10000+ usd

T
This Dot
Accelerating technology development for better results and high-quality solutions

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50+

150+ usd / hr

9 years

25000+ usd

F
Frontside Software
Empowering developers from onboarding to production release

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10+

150+ usd / hr

20 years

75000+ usd

B
BlueLabel
Transforming digital experiences with AI and innovation

🇺🇸

50+

100+ usd / hr

16 years

75000+ usd

E
EffectiveSoft
Expert software development and IT services

🇺🇸

250+

50+ usd / hr

25 years

25000+ usd

M
Metal Toad
Specializing in AWS AI & Machine Learning solutions

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50+

150+ usd / hr

22 years

25000+ usd

H
Hostman
Global Cloud Infrastructure for Developers and Teams

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2+

0+ usd / hr

6 years

0+ usd

U
UST
Transforming Digital Solutions for a Smarter Tomorrow

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10000+

0+ usd / hr

26 years

0+ usd

V
Veracode
Secure software development through innovative solutions and expert guidance

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250+

0+ usd / hr

19 years

0+ usd

e
eMagicOne
Your One Partner for All Website Needs

🇺🇸

10+

25+ usd / hr

13 years

1000+ usd

3
3Pillar Global
Building Digital Products for Continuous Innovation 📈💻

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1000+

150+ usd / hr

19 years

10000+ usd

H
HireWPGeeks
Delivering high-quality WordPress web development solutions

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50+

0+ usd / hr

15 years

25000+ usd

G
Galaxy Weblinks
Transforming forward thinking ideas into bold digital experiences.

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250+

25+ usd / hr

25 years

1000+ usd

N
Noble Studios
Creative Digital Performance Marketing Agency

🇺🇸

50+

200+ usd / hr

22 years

25000+ usd

M
Mindfire Solutions
Transforming businesses with innovative software solutions 🚀

🇺🇸

250+

25+ usd / hr

26 years

10000+ usd

M
Mean Stack Development Company in USA - Contriverz
Expert web and mobile app development solutions 📈

🇺🇸

10+

25+ usd / hr

11 years

1000+ usd

e
eInfochips - an Arrow company
Delivering Quality Engineering Solutions Globally

🇺🇸

1000+

25+ usd / hr

31 years

50000+ usd

G
Grid Dynamics Digital Team
Expert remote software development teams for a seamless collaboration

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250+

25+ usd / hr

26 years

25000+ usd

K
Kryterion, Inc.
Expert Testing Solutions for Certification Programs

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50+

100+ usd / hr

24 years

0+ usd

M
MultiQoS
Transforming Digital Experiences with Cutting-Edge Solutions

🇮🇳

50+

25+ usd / hr

5 years

5000+ usd

H
Hive Digital
Amplifying global responsibility through innovation and expertise

🇺🇸

10+

200+ usd / hr

23 years

5000+ usd

A
Axelerant
Transforming Digital Experiences

🇺🇸

50+

50+ usd / hr

13 years

10000+ usd

Q
QualityLogic
A Smarter Approach to Software & QA Testing Services

🇺🇸

50+

25+ usd / hr

39 years

5000+ usd

D
DEV.co
Expert software development solutions for businesses of all sizes.

🇺🇸

10+

100+ usd / hr

17 years

10000+ usd

c
cmsMinds
We Build and Support Websites that Make a BIG Difference

🇺🇸

10+

25+ usd / hr

17 years

5000+ usd

C
Cigniti Technologies Inc.
Accelerate digital transformation with quality-first approach

🇺🇸

1000+

0+ usd / hr

27 years

50000+ usd

F
Flexential
Seamless IT solutions for a stronger business

🇺🇸

250+

0+ usd / hr

25 years

0+ usd

W
WillowTree®
Accelerate Your AI-Led Digital Transformation

🇺🇸

1000+

150+ usd / hr

18 years

250000+ usd

S
SJ Innovation LLC
Delivering innovative software solutions with expertise and passion.

🇺🇸

50+

25+ usd / hr

21 years

1000+ usd

Q
Qualitest Group
Quality Engineering for Business Assurance and Digital Transformation

🇺🇸

1000+

0+ usd / hr

28 years

0+ usd

t
techahead
Transforming industries through innovation and digital excellence 💻💡

🇺🇸

50+

25+ usd / hr

16 years

25000+ usd

B
Blue.cloud
Solving business challenges with cloud, AI, and data

🇺🇸

250+

0+ usd / hr

21 years

0+ usd

G
Gun.io
Hire top-rated tech talent in days

🇺🇸

50+

0+ usd / hr

14 years

0+ usd

M
MitrahSoft
Expert Digital Transformation Solutions

🇺🇸

50+

0+ usd / hr

15 years

1000+ usd

K
Kiuwan
Powerful end-to-end application security platform 💻

🇺🇸

50+

0+ usd / hr

22 years

0+ usd

C
C-Metric
Expert Solutions for a Brighter Tomorrow 🌞

🇪🇸

50+

0+ usd / hr

30 years

0+ usd

M
Mphasis
Transforming businesses with AI and technology

🇺🇸

10000+

0+ usd / hr

27 years

0+ usd

T
Techforce Global
Transforming Business Through Innovative Solutions

🇺🇸

50+

25+ usd / hr

10 years

5000+ usd

C
Ciklum
Transforming business experiences with next-gen technology.

🇬🇧

1000+

25+ usd / hr

23 years

25000+ usd

O
Off-Site Services
Award-winning web development and consulting firm

🇺🇸

10+

50+ usd / hr

22 years

1000+ usd

A
Atharva System
Transforming businesses through digital innovation

🇮🇳

50+

0+ usd / hr

14 years

5000+ usd

A
Appnovation
Building Purposeful Customer-first Digital Solutions

🇨🇦

250+

100+ usd / hr

18 years

10000+ usd

A
Apriorit
Transforming software development and cybersecurity projects with expertise and innovation

🇺🇸

250+

100+ usd / hr

23 years

0+ usd

V
Vention
Expert software development and innovation

🇺🇸

1000+

50+ usd / hr

23 years

25000+ usd

P
Phunware, Inc.
Guide your customers through every step of their journey

🇺🇸

50+

0+ usd / hr

16 years

10000+ usd

F
Flatworld Solutions
Unlocking winning ways through innovation and expertise

🇺🇸

1000+

0+ usd / hr

21 years

1000+ usd

W
WebReinvent Technologies Pvt Ltd
Professional Software Products, Web and Mobile Application Development Company - Delhi, India

🇮🇳

10+

0+ usd / hr

15 years

10000+ usd

I
Imaginary Landscape
Expert web development and support for businesses

🇺🇸

10+

100+ usd / hr

30 years

10000+ usd

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What Are Testing and QA Services?

Testing and Quality Assurance (QA) services are critical for verifying that software products meet the required standards of functionality, reliability, and user experience. Agencies in United States offer comprehensive testing solutions ranging from manual testing to automated and performance testing.


Why Is QA Essential for Your Software?

QA helps catch bugs and issues early, reducing costly fixes post-launch and enhancing user satisfaction. Investing in quality assurance improves product stability and builds trust with your customers. Typical hourly rates start at $10.


Who Needs Testing and QA Services?

Any company developing software, whether startups, SMEs, or enterprises across industries such as Healthcare, Finance, Technology, Manufacturing and Retail, benefits from professional QA services. Providers in United States understand local market compliance and user expectations.


Types of Testing Offered

Services include functional, regression, usability, security, performance, and compatibility testing. Agencies use both manual and automated testing approaches to ensure full coverage and efficiency.


Manual vs Automated Testing

Manual testing is essential for exploratory and usability assessments, while automated testing accelerates repetitive test cycles, improves accuracy, and saves costs in the long term.


Typical Project Duration and Costs

QA projects typically last 1 to 6 months, depending on scope. Budgets start at $500. Working with United States-based agencies can ensure rapid turnaround and easier communication.


Performance and Load Testing

Ensuring your application performs well under stress is critical. Agencies simulate real-world loads to detect bottlenecks and optimize infrastructure.


Security Testing and Compliance

QA services include vulnerability scanning and penetration testing to protect your application and data, ensuring compliance with regulations like GDPR and HIPAA.


Mobile and Cross-Browser Testing

Agencies test your applications on multiple devices, OS versions, and browsers to guarantee consistent performance and user experience.


Benefits of Hiring a Testing and QA Agency

Expert QA agencies bring best practices, tools, and methodologies that reduce time-to-market, improve product quality, and allow your team to focus on core development.


How to Choose the Right QA Partner

Look for agencies with industry experience, strong testing frameworks, clear communication, and transparent pricing starting at $10. Local agencies in United States provide an advantage in timezone and cultural fit.


Common Challenges in QA and How Agencies Solve Them

Challenges include incomplete test coverage, flaky tests, and integration with development workflows. Experienced agencies use comprehensive test strategies and CI/CD integration to overcome these.


QA in Agile and DevOps Environments

Modern QA integrates into Agile and DevOps pipelines, enabling continuous testing and faster feedback loops for improved software quality.


Tools and Technologies Used in QA

Agencies use popular tools such as Selenium, JIRA, TestRail, Jenkins, and Appium to automate testing and track issues efficiently.


Case Studies: QA Success Stories

A fintech startup in United States reduced critical bugs by 70% after engaging a dedicated QA team to implement automated regression tests and continuous monitoring.

Frequently asked questions

Choose agencies with proven expertise, clear testing methodologies, and transparent pricing starting at $10 in United States.

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