Explore leading software testing companies that launch high-performing products, detect bugs early, improve stability, and ensure every feature works correctly across devices and environments. For teams focused on the US market, we also highlight trusted partners with region-specific expertise, including top US-based software testing companies.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × New Jersey × Manufacturing ×Clear Filters
  • Designli

    VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.

    Build software people actually pay for.

    At Designli, we turn software into real, revenue-generating businesses and we measure our success by yours. Real users on a working MVP in 30 days, guaranteed. Senior teams paid on outcomes, not promises. First 14 days fully refundable...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Web Development
    • Web Design
    • Show more
    Location
    Jersey City, New Jersey
    Number of Employees
    50 - 99
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    17 Projects Listed

    Designli Services

    • Mobile App Development
    • Software Development
    • AI Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Software Testing
    • IoT
    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Goodwill
    • Earthlink
    • Rotary
    • State of South Carolina
    • Secur.Space
    • Grappos
    • Michelin
    • Accel Entertainment
    • Millennium Parking Garages
    Data sourced from the agency's DesignRush profile

    Designli Reviews & Testimonials

    • Anonymous Founder & CEO at Innershell
      5.0★

      Mobile App Development Review from Anonymous

      Designli delivered a high-quality prototype on a tight timeline. The team was responsive to feedback, met every deadline, stayed within budget, and quickly adapted to requested changes. Their expertise in app design and development was evident throughout the project and left a strong impression.

    • Anonymous CEO at Monjour
      5.0★

      AI UI/UX Design Review from Anonymous

      Designli produced a complete, functional Figma prototype for our solution. They communicated clearly through virtual meetings and stood out for their strong process, gathering feedback from multiple stakeholders and delivering on schedule. Overall, we were very impressed with their work.

    • Anonymous CTO at Code Willing
      5.0★

      AI UI/UX Design Review from Anonymous

      Designli delivered Figma wireframes that were both well-crafted and well-received by our team. The designs were clean, intuitive, and elegant, reflecting strong design intuition. Throughout the process, the team stayed organized, communicated clearly via Basecamp, and delivered everything on time.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Recommended by 96% CEO, CTO and COO Globally

    At SPEC INDIA, we are Empowering businesses with AI in the digital world. With more the 36+ years of experience in the tech space we have been delivering bespoke software solution that power businesses worldwide. Our commitment and assurance of quality makes us stand out in the market....

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Software Testing
    • Show more
    Location
    Bridgewater, New Jersey
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    54 Projects Listed

    SPEC INDIA Services

    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Software Testing
    • CRM Consulting
    • Cloud Consulting
    • IT Services
    • ERP Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Pharmacor
    • REMAX
    • Fursan
    • AstraZeneca
    • TOTSA
    • HITACHI
    • UCSF
    • Schneider
    • Loreal
    • PEPSICO
    Data sourced from the agency's DesignRush profile

    SPEC INDIA Reviews & Testimonials

    • Cas Diependaal
      Cas Diependaal Head of Platform at Zeals
      4.8★

      Software Testing Review from Cas Diependaal

      Through SPEC India we've hired a QA automation specialist who has helped us set up testing automation for our software. The service was professional, friendly and well executed. It was a smooth experience to hire a resource and assign it to the tasks we needed them to perform.

    • Ron Eliot Dichter
      Ron Eliot Dichter Founder & CEO at SIXPAC
      4.3★

      Software Development Review from Ron Eliot Dichter

      Spec has been a good partner to work with for my project. They're responsive and nimble. They provide good feedback and creative suggestions for solving challenges and building the features. I've appreciated their collaboration while working on my software.

    • Keshav Lohiya CEO at Oilytics Ltd
      5.0★

      Dashboard Design Review from Keshav Lohiya

      We have been very happy with the support we have received for the last 2 years. Spec India helps small businesses like ours to remain agile, competitive and stay at the forefront of technological innovation.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Trusted Partner in Software Development, Product Design and QA

    inVerita is a global software, AI, and data engineering company with 150+ engineers across Europe, the USA, and Latin America(Colombia). We build secure, scalable solutions for healthcare, fintech, logistics, retail, defense, and e-learning...

    Top Services:

    • Software Development
    • Big Data Analytics
    • AI Development
    • Product Design
    • Software Testing
    • Show more
    Location
    Jersey City, New Jersey
    Number of Employees
    100 - 249
    Portfolios Count
    16 Projects Listed

    inVerita Services

    • Software Development
    • Big Data Analytics
    • AI Development
    • Product Design
    • Software Testing
    • Web Development
    • Staff Augmentation
    • Cloud Consulting
    • IoT
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • INTELLIBOARD
    • DOKTOR 24
    • PATRIOT
    • PERFORCE
    • METHODICS
    • MEDIASHOUT
    • KROGER GROUP
    • HILTI
    • DILLIGENT
    • WGSN
    Data sourced from the agency's DesignRush profile
  • Governed, Audit-ready Agentic Copilots for Software Companies

    Focaloid is an AI-first, governance-first engineering partner helping regulated SaaS companies build, deploy, and scale AI systems with confidence...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Software Testing
    • UI/UX Design
    • Show more
    Location
    Newark, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed

    Focaloid Technologies Services

    • Mobile App Development
    • Software Development
    • AI Development
    • Software Testing
    • UI/UX Design
    • IT Services
    • Managed Services
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • General Motors
    • IBM
    • Deloitte
    • HCL
    • AXIS Mutual Fund
    • Havas Worldwide
    • VEST
    • Varroc
    • MED Square
    • Startup Village
    Data sourced from the agency's DesignRush profile

    Focaloid Technologies Reviews & Testimonials

    • Ashish Shekhar
      Ashish Shekhar Review from Google
      5.0★

      Ashish Shekhar's Review Sourced from Google

      Focaloid has a great work culture that fosters innovation, collaboration, and growth. The team is supportive, approachable, and always open to new ideas. A fantastic place to work and grow!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Reliable Crowdsourced Testing Partner

    Ubertesters is a crowdtesting company that allows organizations to outsource the power of the crowd for their own digital testing or QA needs by using remote global vetted testers with devices...

    Top Services:

    • Software Testing
    Location
    Ramsey, New Jersey
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000

    Ubertesters Services

    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • AppsFlyer
    • NetEase Games
    • Taboola
    • Akamai Technologies
    • Zalando
    • New York City Department
    • Miniclip
    • Bosch
    • Here Mobility
    • 888 Holdings
    Data sourced from the agency's DesignRush profile

    Ubertesters Reviews & Testimonials

    • Raji Maduwantha Fernando
      Raji Maduwantha Fernando Review from Google
      5.0★

      Raji Maduwantha Fernando's Review Sourced from Google

      Ubertesters is excellent for testing.The platform is easy to use, so I can finish my testing tasks quickly. The team is always there to help and fix any challenges quickly. I'm happy to be part of such a professional community.

    • Chris
      Chris Review from Google
      5.0★

      Chris's Review Sourced from Google

      Testing with Ubertesters is simple. The platform is user-friendly, and the team is supportive. They answer my questions quickly. I'd suggest Ubertesters to any tester who wants to get experience in testing and make extra money on the way.

    • Ulia Alias
      Ulia Alias Review from Google
      5.0★

      Ulia Alias's Review Sourced from Google

      Ubertesters has been a game-changer for me in the freelance testing space. The project's diversity keeps things interesting, and what sets them apart is the genuine care they show for their testers, making it a fulfilling and enjoyable experience. I'm grateful to be part of this community.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • A Full-Cycle Software Development Company

    Ingsoftware is a full-stack adaptive software development partner for growth-minded organizations...

    Top Services:

    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • Wearables
    • Software Testing
    • Show more
    Location
    Princeton, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $10,000 - $25,000

    Ingsoftware Services

    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • Wearables
    • Software Testing
    • AI Development
    • Web Design
    • Graphic Design
    • IoT
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • GBI
    • BeyondPulse
    • ProfitOptics
    • Asseco SEE
    • EFT Corporation Limited
    • Veritran
    • Banksurance
    • My Basketball Team
    Data sourced from the agency's DesignRush profile

    Ingsoftware Reviews & Testimonials

    • Brittany Smith
      Brittany Smith COO at NuCitrus
      5.0★

      Software Development Review from Brittany Smith

      Great company to have work on your project. Very knowledgeable and truly act as industry experts to their clients to advise them in the best direction. We use ING as our white-label partner and put them through an extensive interview process that lasted 3 weeks. They passed with flying colors. Our first interaction/project was a custom project for one of our partners and they impressed and delivered on time. Our customers are always happy with the deliverables.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Solutions Focused On Your Business

    ConvergeSol is a US-based technology consulting and custom software development company specializing in AI, SaaS, cloud, Salesforce, and enterprise applications. We build, modernize, and manage secure, scalable solutions for startups, SMBs, and enterprises...

    Top Services:

    • Software Development
    • IT Services
    • Big Data Analytics
    • AI Development
    • Software Testing
    • Show more
    Location
    Princeton, New Jersey
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed

    ConvergeSol Services

    • Software Development
    • IT Services
    • Big Data Analytics
    • AI Development
    • Software Testing
    • Web Development
    • Cloud Consulting
    • Managed Services
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Real Estate Industry
    • Software & IT Services Industry
    • Cybersecurity Industry
    Data sourced from the agency's DesignRush profile
  • Custom Software That Works In The Real World

    SoftDoes builds custom software, AI, and web applications for mid-market companies that need enterprise-grade results without the overhead of an in-house team. U.S.-based leadership. Full IP ownership. No lock-in...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Newark, New Jersey
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

    Soft Does Services

    • Software Development
    • AI Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Cloud Consulting
    • Blockchain
    • Software Testing
    • Digital Strategy
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Altera
    • Brizacorp
    • Color and Harmony
    • FMY Orthodontics
    Data sourced from the agency's DesignRush profile
  • Sketch Development Services

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Build it. Run it. Own it.

    We embed development teams to build the right AI-enabled custom software, and equip your team to run it...

    Top Services:

    • Software Development
    • Cloud Consulting
    • UI/UX Design
    • eCommerce Development
    • DevOps Consulting
    • Show more
    Location
    Jersey City, New Jersey
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up

    Sketch Development Services Services

    • Software Development
    • Cloud Consulting
    • UI/UX Design
    • eCommerce Development
    • DevOps Consulting
    • Staff Augmentation
    • AI Development
    • Software Testing
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • U.S. Bank
    • Centene Corporation
    • Maritz
    • Change Healthcare
    • Stifel
    • Reinsurance Group of America (RGA)
    • bioMerieux
    • CareSource
    • CENTEGIX
    • Purina
    Data sourced from the agency's DesignRush profile

    Sketch Development Services Reviews & Testimonials

    • Monica
      Monica Review from Google
      5.0★

      Monica's Review Sourced from Google

      Amazing and talented people. I’ve worked for both client and agency side and can can say their partnership is amazing. They truly care about ongoing operations and not just ending it at a project level. Highly recommend! Message me if you want specifics.

    • John Andesilich
      John Andesilich Review from Google
      5.0★

      John Andesilich's Review Sourced from Google

      I own a marketing firm in Troy MO and I recently met with Calvin at Sketch Development Services to discuss a software development project I have been thinking about pursuing. He was very nice, easy to speak to and even though his field is a bit out of my knowledge base, he was able to explain things in a way that made perfect sense. I look forward to working with him and his team in the future and recommend anyone looking for a software or app development company to give them a try.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Where Quality, Time & Accuracy are valued the most!

    Founded in 2011, Serpent Consulting is an Odoo Partner with a global clientele. They offer Odoo implementation, customization, and training with a team of experienced professionals. They boast 45+ custom Odoo apps and modules, making them a leader in the Odoo space...

    Top Services:

    • ERP Consulting
    • CRM Consulting
    • IT Services
    • Software Development
    • Software Testing
    • Show more
    Location
    Edison, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000

    Serpent Consulting Services Pvt Ltd Services

    • ERP Consulting
    • CRM Consulting
    • IT Services
    • Software Development
    • Software Testing
    • IoT
    • Web Development
    • Design Services
    • Graphic Design
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Tru-Thread Gauges & Tools Pvt. Ltd.
    • Motovolt
    • Bhuj Polymers Pvt. Ltd
    • Boltt Global Solutions Ltd
    • Mekaela Academies
    • Spequa Services LLP
    • Zulfa Trading
    • Saltracker
    • Wellington Club
    • Flyway
    Data sourced from the agency's DesignRush profile

    Serpent Consulting Services Pvt Ltd Reviews & Testimonials

    • Black Bird
      Black Bird Review from Google
      5.0★

      Black Bird's Review Sourced from Google

      They committed to assign me test but rejected next day without test.But,Overall interview, behavior, office everything was very good. I recommend 👍

    • Vishal Mangroliya
      Vishal Mangroliya Review from Google
      5.0★

      Vishal Mangroliya's Review Sourced from Google

      Serpent Consulting Services Pvt. Ltd., an ISO 27001 certified (Since 2015) and now a multinational firm was founded back in December 2011 with a vision of Mr Husen Daudi & Mr Jay Vora to start a companionship that every company around the world can relate to! No matter it is a Multinational Firm or a Small Scale Enterprise and that is how Serpents was born! Both Mr Husen Daudi & Mr Jay Vora have a gigantic experience working in OpenERP/ODOO. They have been in the same field since the year 2007 and with vital experience of around 10 years, both have been working as a team leader for the team & a role model for the naive. Over the years, Serpents coiled its way hard to achieve the heights of success which the company is enjoying at present and at the global front along with a long list of happy & satisfied customers based upon the strong foundation of a highly dedicated & devoted team of staff members working their hearts out to leave any stone unturned towards paving Serpent’s pathway of success. OpenERP/ODOO & ERP domain has been the core skill set of Serpent Consulting Services. The company has served clients from more than 172 countries by providing them with an array of services including Setting Up, Configuration, Customization, Integration, Migration and User training of OpenERP/ODOO.

    • Jagdish Dudhat
      Jagdish Dudhat Review from Google
      5.0★

      Jagdish Dudhat's Review Sourced from Google

      An Indigenous and innovative next gen software development company with unique ideas and offering tailor made solutions for your business.Recomoned to consult before implementation of your software solutions for business needs as they would rengineer your business and will take you to new heights

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Engineering Intelligence. Powering Possibilities.

    Dynamisch is an AI-first technology company with 14+ years of experience helping businesses design, build, and scale intelligent digital products across AI, cloud, IoT, and product engineering...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • VR/AR
    • Mobile App Development
    • Show more
    Location
    Edison, New Jersey
    Number of Employees
    100 - 249
    Minimal Budget
    $1,000 - $10,000

    Dynamisch Inc Services

    • AI Development
    • Blockchain
    • Software Development
    • VR/AR
    • Mobile App Development
    • Software Testing
    • IoT
    • Cloud Consulting
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Waggoner Diagnostics
    • UNA Health
    • RealTime eClinical Solutions
    • GISI
    • D BILLIONS
    Data sourced from the agency's DesignRush profile

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
126,104+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
49%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
11

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

Frequently Asked Questions About Software Testing Companies

What services do software testing firms provide?

Software testing companies provide different testing services to identify errors, security risks, performance issues, and how the software behaves in real-life situations and across devices. As part of their software testing service, they also check if each feature works as expected, fix bugs, make improvements, and make sure new software development updates don’t break existing functions, so the software quality remains stable. 

Core services include: 

How much do software testing services cost?

Hourly rates for QA testing range from $25 to $200+. The final cost is determined based on the size of the software or application, its complexity, required testing type, tech stack (custom-built and older legacy systems cost more), and niche.  

The rate will also depend on the seniority of the software tester. Across the United States, junior quality assurance (QA) tester may charge $70 to $110 per hour, while the rate for a senior QA mentor and automation engineer can range from $130 to $200 per hour.   

Special software testing services such as QA audit goes from $5,000 to $25,000. 

How can businesses know what type of software testing do they need?

Businesses can determine what type of testing solutions they need based on the potential impact of failures and the likelihood of defects. Namely, if they encounter:  

  • Core functionality issues: Use functional testing to verify features work as expected 
  • Unstable code or new features: Use unit testing for individual components and integration testing for modules working together 
  • Poor system stability after updates: Seek regression testing to make sure new changes didn't break existing features 
  • Performance and load issues: Use performance and load testing to evaluate speed and scalability 
  • Security issues: Security and penetration testing are commonly used across apps handling sensitive user data 
  • Hard-to-navigate user experience (UX): Pursue usability testing to determine how intuitive the application is for end users 
  • Low compatibility across devices: Compatibility testing can evaluate how good the app works on different browsers, devices, and OS versions 

There is also the option to choose between manual and automated testing.  

Is automated testing more expensive than manual testing?

As an investment, automated testing is pricier than manual testing but offers a lower cost-per-test over time as it can run the same scripts repeatedly, without human intervention. Conversely, manual testing entails lower upfront fee, but its cost grows linearly as the project grows, as every test cycle requires paid hours from QA testers.  

So, for short-term projects or ones with shifting requirements, manual testing is considered a more economical option, whereas for maintenance and regression cycles, automated testing grants better return on investment. 

The main distinction between these methodologies is that manual testing relies on human observation and interaction to identify defects, whereas automated testing uses software scripts to compare outcomes against predicted results.  

Manual testing is best suited for exploratory testing, usability assessments, ad-hoc bug hunting, and minor hotfix verifications where script development would be inefficient. Automated testing, on the other hand, is primarily used for regression testing to make sure the new code does not break existing features. 

How do businesses measure the effectiveness of software testing?

The effectiveness of the software testing is measured via: 

  • Code coverage: The percentage of the code that has been tested 
  • Defect density: The number of defects found per unit of code 
  • Test case effectiveness: The percentage of test cases that identify defects; helps prune redundant and ineffective tests 
  • Time to detect and fix defects: The time it takes to identify and fix software defects and software bugs 
  • Defect leakage: The number of bugs that "escaped" to production versus those caught during the testing phase  

ReceiveFreeProposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner