Top Performance Testing Services
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UndisclosedUndisclosed2 - 9
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McKinley Software, an IT strategy consulting company, was launched in 2023. The team provides IT strategy consulting and Custom Software Development.
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BrightLine Software is an IT strategy consulting company founded in 2022. The team focuses on IT strategy consulting and Custom Software Development and is headquartered in New York City, New York.
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UndisclosedUndisclosed2 - 9
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Codesigns is an UX company. They are based in New York, New York and have small team of experts. Their services include UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9New York, NY
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AVOX LLC is an UX design agency. The firm is located in New York, New York. Their team provides UX/UI Design and BI & big data consulting & SI.
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UndisclosedUndisclosed2 - 9Tallahassee, FL
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SyaRose Technology Services Inc is a web design agency. In Tallahassee, Florida and Westerville, Ohio, the agency was founded in 2015. Their services include Web Design and IT strategy consulting.
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UndisclosedUndisclosed2 - 9Fort Lauderdale, FL
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Dial Interactive is a cloud consulting & SI company in Fort Lauderdale, Florida. The team focuses on cloud consulting & SI and CRM consulting and SI.
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UndisclosedUndisclosed2 - 9
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Latitude Software Consulting is a Melbourne, Australia-based UX design agency. They offer UX/UI Design and cloud consulting & SI and were established in 2015.
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UndisclosedUndisclosed2 - 9Dallas, TX
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Custom software development firm TechNeeqs LLC was founded in 2010. The team provides Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Kraków, Poland
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Threading Clouds is a Cybersecurity company. Founded in 2022, the team provides Cybersecurity and IT managed services. The firm is based in Kraków, Poland and Malaga, Spain.
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$10,000+$25 - $49 / hr10 - 49Berlin, Germany
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See all 20 projectsVoypost offers comprehensive software development services, including Application Testing, with a focus on transforming MVPs into fully functional software solutions. Reviews highlight Voypost's exceptional communication, timely delivery, and effective project management, emphasizing their dedication to client engagement and operational efficiency, making them a trusted partner for software development and App QA needs.
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UndisclosedUndisclosed10 - 49Naperville, IL
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VantagePro Systems is a software development company. Their small team is located in Naperville, Illinois. Their services include Custom Software Development and Recruiting.
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UndisclosedUndisclosed10 - 49
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Established in 2017, Orcas Technologies Ltd is a custom software development company. The team offers Custom Software Development and Cybersecurity.
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$10,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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FamBox is a custom software development firm. Established in 2014, the firm offers Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Kraków, Poland
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Educatifu is a Cybersecurity company. Headquartered in Kraków, Poland, their small team offers Cybersecurity and Artificial Intelligence. The company was established in 2019.
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UndisclosedUndisclosed10 - 49Melbourne, Australia
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Protegic Pty Ltd. Is a Digital Engineering company based in Melbourne, Australia. The team offers Digital Engineering and BI & big data consulting & SI.
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UndisclosedUndisclosedFreelancerCollierville, TN
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IT managed services company InfinoTech Solutions was established in 2022. The team specializes in IT managed services and Application Testing and is located in Collierville, Tennessee.
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UndisclosedUndisclosed50 - 249Duluth, GA
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Sadup Softech, a web design company, was established in 2019. The team provides Web Design and UX/UI Design and is headquartered in Duluth, Georgia and Hyderabad, India.
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UndisclosedUndisclosedFreelancerNorth Parramatta, Australia
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Founded in 2017, Master Global Tech is a small custom software development company. Their services include Custom Software Development and Application Testing.
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UndisclosedUndisclosed2 - 9Sandy Springs, GA
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Avernoon is a web design agency in Sandy Springs, Georgia. Their services include Web Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9New York, NY
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Testing Blaze is a DevOps Managed Services company. They are located in New York, New York and have small team. Their services include DevOps Managed Services and API Development.
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UndisclosedUndisclosed2 - 9Arlington, VA
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Cyber Earth Solutions is a custom software development firm. Their team is based in Arlington, Virginia and offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Sydney, Australia
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Established in 2013, Nueve Pty Ltd. Is a CRM consulting and SI company. Their team offers CRM consulting and SI and Custom Software Development.
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UndisclosedUndisclosed2 - 9Atlanta, GA
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ITechEra Solution is a small Atlanta, Georgia-based social media marketing company. The team provides Social Media Marketing and Conversion Optimization.
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UndisclosedUndisclosed10 - 49Plano, TX
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Pagematics is a social media marketing firm. Their small team of employees is in Plano, Texas. Their team focuses on Social Media Marketing and Search Engine Optimization.
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$10,000+$25 - $49 / hr50 - 249Bengaluru, India
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See all 46 projectsEuphoric Thought Technologies Pvt. Ltd. provides Testing Services, including App Testing and QA Testing, for various software applications. Reviews highlight their effective project management, timely delivery, and the ability to identify and resolve performance issues, leading to improved product performance and reduced bugs. Clients commend their professionalism and comprehensive testing solutions.
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$10,000+< $25 / hr50 - 249Dubai, United Arab Emirates
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See all 30 projectsQuest Global Technologies Limited is a blockchain solutions provider adept in developing custom software and blockchain frameworks to enhance data security, transparency, and scalability across various industries. Reviews highlight their strong technical expertise, with 100% of feedback mentioning their robust project management and responsiveness. Clients praise their ability to deliver quality, scalable solutions on time, fostering confidence in long-term collaborations.
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UndisclosedUndisclosedFreelancerSydney, Australia
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Mega IT Services, a cloud consulting & SI company, was founded in 2015. The agency focuses on cloud consulting & SI and IT managed services, and is small.
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List of the Top 15 Performance Testing Companies
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$5,000+Undisclosed50 - 249Seattle, WA
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
100% Application Testing50% Performance Testing -
$25,000+$25 - $49 / hr1,000 - 9,999Pleasanton, CA
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing25% Performance Testing -
$5,000+$25 - $49 / hr250 - 999Mountain View, CA
Ability to deliver
36.6/40.017/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing35% Performance Testing -
$5,000+$25 - $49 / hr250 - 999Kolkata, India
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing20% Performance Testing90% Other -
$1,000+< $25 / hr50 - 249Cherkasy, Ukraine
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
100% Application Testing20% Performance Testing -
$5,000+$25 - $49 / hr50 - 249Noida, India
Ability to deliver
36.2/40.016.6/20 Reviews9.8/10 Clients & Experience9.7/10 Market PresenceService focus
80% Application Testing20% Performance Testing20% Other -
$5,000+$25 - $49 / hr50 - 249Boise, ID
Ability to deliver
37.3/40.017.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
100% Application Testing10% Performance Testing -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Application Testing10% Performance Testing90% Other -
$1,000+< $25 / hr250 - 999New York, NY
Ability to deliver
35.4/40.016/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
100% Application Testing10% Performance Testing -
Undisclosed$25 - $49 / hr10 - 49Montevideo, Uruguay
Ability to deliver
36.3/40.017.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
100% Application Testing20% Performance Testing -
$10,000+$25 - $49 / hr50 - 249Kyiv, Ukraine
Ability to deliver
33.4/40.016/20 Reviews9.7/10 Clients & Experience7.7/10 Market PresenceService focus
40% Application Testing40% Performance Testing60% Other -
$1,000+< $25 / hr250 - 999Sahibzada Ajit Singh Nagar, India
Ability to deliver
33.3/40.017.2/20 Reviews6.7/10 Clients & Experience9.5/10 Market PresenceService focus
95% Application Testing20% Performance Testing5% Other -
$5,000+< $25 / hr50 - 249Noida, India
Ability to deliver
34.7/40.016.4/20 Reviews9.7/10 Clients & Experience8.6/10 Market PresenceService focus
80% Application Testing20% Performance Testing20% Other -
$5,000+$25 - $49 / hr250 - 999Noida, India
Ability to deliver
35.7/40.017/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
20% Application Testing20% Performance Testing80% Other -
$1,000+$25 - $49 / hr10 - 49Sooke, Canada
Ability to deliver
35.9/40.016.8/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Application Testing20% Performance Testing50% Other -
$5,000+< $25 / hr250 - 999Hồ Chí Minh, Vietnam
Ability to deliver
32.6/40.016.8/20 Reviews9.1/10 Clients & Experience6.7/10 Market PresenceService focus
35% Application Testing20% Performance Testing65% Other -
$25,000+$50 - $99 / hr250 - 999São Paulo, Brazil
Ability to deliver
39.2/40.020/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Application Testing10% Performance Testing90% Other -
$10,000+$50 - $99 / hr10 - 49Kraków, Poland
Ability to deliver
35.3/40.015.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
100% Application Testing20% Performance Testing -
$1,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
34.9/40.018/20 Reviews10/10 Clients & Experience6.9/10 Market PresenceService focus
100% Application Testing10% Performance Testing -
$10,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
33.4/40.018.2/20 Reviews8.7/10 Clients & Experience6.5/10 Market PresenceService focus
100% Application Testing20% Performance Testing -
$1,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
33.1/40.019/20 Reviews7.8/10 Clients & Experience6.3/10 Market PresenceService focus
100% Application Testing20% Performance Testing -
$50,000+$25 - $49 / hr50 - 249Mumbai, India
Ability to deliver
36.2/40.018.2/20 Reviews9.8/10 Clients & Experience8.2/10 Market PresenceService focus
30% Application Testing15% Performance Testing70% Other -
$25,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
33.5/40.015.8/20 Reviews10/10 Clients & Experience7.7/10 Market PresenceService focus
10% Application Testing50% Performance Testing90% Other -
$1,000+< $25 / hr50 - 249Faridabad, India
Ability to deliver
33.8/40.016.4/20 Reviews9.3/10 Clients & Experience8.2/10 Market PresenceService focus
60% Application Testing10% Performance Testing40% Other -
$1,000+$25 - $49 / hr50 - 249Yerevan, Armenia
Ability to deliver
32.5/40.016.2/20 Reviews10/10 Clients & Experience6.3/10 Market PresenceService focus
85% Application Testing20% Performance Testing15% Other -
$50,000+$25 - $49 / hr50 - 249Ternopil, Ukraine
Ability to deliver
36.3/40.018.6/20 Reviews10/10 Clients & Experience7.7/10 Market PresenceService focus
20% Application Testing20% Performance Testing80% Other -
$5,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Ability to deliver
34.3/40.017.6/20 Reviews9.6/10 Clients & Experience7/10 Market PresenceService focus
50% Application Testing15% Performance Testing50% Other -
$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
Ability to deliver
33.6/40.017/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
100% Application Testing20% Performance Testing -
$1,000+$25 - $49 / hr10 - 49Kraków, Poland
Ability to deliver
34.5/40.016.6/20 Reviews9/10 Clients & Experience9/10 Market PresenceService focus
100% Application Testing10% Performance Testing -
$50,000+$25 - $49 / hr1,000 - 9,999Cochabamba, Bolivia
Ability to deliver
35.8/40.017.8/20 Reviews8.4/10 Clients & Experience9.6/10 Market PresenceService focus
10% Application Testing10% Performance Testing90% Other
Performance Testing Agency FAQs
A performance testing company evaluates how a website, mobile app, or enterprise system behaves under specific workloads. Engineers simulate real-world traffic, stress, and spike conditions to measure response times, throughput, CPU/memory usage, and failure points. The goal is to identify bottlenecks—such as slow database queries, network latency, or inefficient code—so developers can optimize before deployment and prevent costly downtime.
Performance testing companies evaluate software solutions under various workloads to assess their speed, performance, and responsiveness. These service providers deliver a variety of offerings, including:
- Load, stress, and spike testing
- Scalability and endurance (soak) testing
- Capacity planning and baseline benchmarking
- Infrastructure and cloud cost optimization
- Test script creation with tools like JMeter, Gatling, or LoadRunner
- Continuous performance testing integrated into CI/CD pipelines
- Detailed root-cause analysis and remediation guidance
Some firms also pair performance testing with broader QA services, security testing, or DevOps consulting for end-to-end quality coverage.
Budgets range widely based on key factors such as scope, software complexity, and technical requirements. According to data gathered by our team at Clutch, the average hourly rate for performance testing agencies is around $50 – $99. Here’s a rundown of average project costs:
- Small web app or API baseline test: $5,000 – $15,000
- Comprehensive load & stress program for a mid-sized platform: $20,000 – $50,000
- Ongoing performance engineering retainer for large enterprises: $10,000 – $40,000 per month
Costs rise with complex infrastructures, high concurrency requirements, or 24/7 monitoring. Offshore teams can lower hourly rates, but factor in communication and time-zone alignment.
Start by matching expertise to your tech stack—look for case studies involving similar frameworks, cloud providers, or traffic volumes. Next, review the following:
- Tool proficiency (open-source vs. enterprise suites)
- Ability to integrate with your CI/CD or APM tools
- Transparent reporting and actionable recommendations
- Client testimonials that reference measurable KPIs (e.g., “reduced p95 latency by 40%”)
Finally, run a paid pilot or proof-of-concept to validate collaboration style and results before committing to a long-term engagement. Browse through Clutch’s directories and resources to equip yourself with the essential knowledge to select the right partner for your project.
- “Guaranteed” speed scores without reviewing your codebase
- Reliance on a single testing tool for every project
- Vague deliverables—no mention of test scripts, monitoring dashboards, or root-cause analysis
- Limited communication or reluctance to share raw test data
- No post-test support for remediation or re-testing
- Which load-generation tools and monitoring platforms do you use?
- Can you share a recent case study with performance metrics?
- How do you size concurrent users and traffic patterns for our industry?
- Will you provide scripted tests and documentation we can reuse?
- How do you collaborate with developers to address identified issues?
- What is your pricing model for follow-up tests after fixes are applied?
Freelancers can manage one-off tests for smaller apps at a lower cost, but agencies offer cross-functional teams, diverse toolsets, and infrastructure at scale. If you need continuous performance engineering, automated pipelines, or round-the-clock support, a full-service agency is typically the safer choice.
Experienced performance testing agencies track KPIs such as decreased page load times, improved concurrency limits, reduced cloud spend after tuning, and fewer post-launch incidents. Many clients see direct revenue lifts from higher conversion rates and lower churn once performance bottlenecks are resolved.