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Home Software Testing Reliability Testing United States San Francisco

Top Reliability Testing Companies in San Francisco

Ratings Updated: May 9, 2026
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2 Leaders 11 Contenders

13 Companies

Country: United States
State: California
City: San Francisco
Application Testing Focus: Reliability Testing

List of the Top San Francisco Reliability Testing Services

  • Vention Logotype

    4.9 100 reviews
    Premier Verified
    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    San Francisco, CA

    Services provided

    10% Application Testing
    10% AI Development
    10% Blockchain +7
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% DevOps Managed Services
    10% Enterprise App Modernization
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development

    Focus Areas

    10% Reliability Testing
    10% Automation Testing
    10% Beta Testing +7
    10% Compatibility Testing
    10% Load Testing
    10% Localization Testing
    10% Manual Testing
    10% Performance Testing
    10% Recovery Testing
    10% Stress Testing

    Vention is a versatile software development and staff augmentation company specializing in QA Testing and Application Quality Assurance, among other services. The company receives overwhelmingly positive feedback, with clients praising its excellent communication, a strong talent pool, and effective project execution. Approximately 90% of reviewers highlight their responsiveness and integration with client teams, emphasizing their commitment to collaboration and operational efficiency.

    See all 100 projects

    Average Project Cost Breakdown

    $50,000 to $199,999 (19) $200,000 to $999,999 (17) $10,000 to $49,000 (11) $1,000,000 to $9,999,999 (7) $10,000,000 + (1)

    What Clients Have Said

    Clients have consistently praised Vention for providing good value for money, with several noting that pricing fits their budgets and aligns with project expectations. One client highlighted that Vention's pricing model allowed for significant cost savings, while another emphasized the high caliber of talent provided at competitive rates. Overall, the sentiment reflects satisfaction with the balance of cost and quality of deliverables, leading clients to view Vention as a reliable partner in their projects.
    Read All Reviews

    San Francisco, CA

    650 California Street
    San Francisco, CA 94108

    10 - 15

    650 288 1260

    See All Locations (8)
    1 of 1 San Francisco-based review is 5 stars
    Unknown avg. project cost for Application Testing services in San Francisco

    Application Testing project highlight

    Design, Dev & QA Staff Aug for Language Learning Platform

    5.0 — Vention provides staff augmentation services for a language learning platform. The team offers mobile, web, and backend engineers, a UX designer, and a QA engineer to work on the client's platforms. Read more
    Read Similar Reviews

    Review Rating from Clients

    4.9/5.0

    Quality

    5.0

    Schedule

    4.8

    Cost

    4.4

    Willing to Refer

    5.0

    California-based clients highlight Vention’s proficiency in web, mobile, and backend development, with strong project management and team collaboration. Reviews from San Francisco, Burlingame, and Sonoma emphasize their professionalism, innovative solutions, and ability to deliver on time, fostering long-term partnerships.
    Read Local Reviews
    View Profile Visit Website
  • BugRaptors Logotype

    4.8 12 reviews
    $1,000+
    < $25 / hr
    250 - 999
    Emeryville, CA

    Services provided

    70% Application Testing
    10% AI Development
    5% AI Agents +3
    5% AI Consulting
    5% DevOps Managed Services
    5% Robotics Process Automation

    Focus Areas

    10% Reliability Testing
    20% Automation Testing
    20% Performance Testing +7
    10% Compatibility Testing
    10% Load Testing
    10% Manual Testing
    5% Beta Testing
    5% Compliance Testing
    5% Localization Testing
    5% Stress Testing

    BugRaptors is a specialized company offering comprehensive Application Testing and Software Quality Assurance services. Their reviews reflect a strong commitment to quality and meticulous attention to detail, with over 85% of reviewers praising their technical expertise and problem-solving capabilities. While communication and project management occasionally surfaced as areas for improvement, their reputation for delivering timely and effective solutions remains impressive.

    See all 12 projects
    2 of 3 reviews are 5 stars
    3 new reviews for Application Testing services
    Less than $10,000 avg. project cost

    Reviewed 3 times in the past 6 months

    In the last six months, BugRaptors has received positive feedback for their thorough testing and proactive approach. Clients noted their effectiveness in identifying critical issues, with one mentioning over 650 bugs found in two months. Their commitment to quality and timely delivery was commended, particularly in performance testing, which resulted in a 25-30% improvement in response times. However, some clients suggested improvements in project management clarity and communication regarding deadlines.
    Read 3 Recent Reviews

    Industry Experience

    BugRaptors demonstrates significant expertise across various industries including gaming, information technology, healthcare, and education. In gaming, clients praised their thorough QA processes and capability to enhance product stability. For IT, BugRaptors excelled in security and performance testing, delivering actionable insights. In healthcare, they were recognized for their attention to detail and regulatory compliance. Overall, client sentiment reflects a strong appreciation for their proactive communication, timely delivery, and technical expertise, positioning them as a valuable partner for projects in these sectors.

    Read All Reviews

    Select Industry to see insights

    Information technology Healthcare Consulting Education Software Gaming

    View projects from:

    India (3) France (2) New Zealand (2) United States (2) Nigeria (1) England (1)

    Emeryville, CA

    5858 Horton Street
    Emeryville, CA 94608

    101 - 150

    +1 (510) 371-9104

    See All Locations (5)
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  • TrustInSoft Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    San Francisco, CA

    Services provided

    20% Application Testing
    20% BI & Big Data Consulting & SI
    20% Custom Software Development +2
    20% Cybersecurity
    20% IoT Development

    Focus Areas

    100% Reliability Testing

    In San Francisco, California and Paris, France, TrustInSoft is a midsize data analytics company. Their services include BI & big data consulting & SI and Cybersecurity.

    Read more
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  • Exovara Labs LLC Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    2 - 9
    San Francisco, CA

    Services provided

    10% Application Testing
    30% Web Development
    25% Custom Software Development +3
    15% API Development
    10% E-Commerce Development
    10% Enterprise App Modernization

    Focus Areas

    10% Reliability Testing
    10% Beta Testing
    10% Compatibility Testing +9
    10% Compliance Testing
    10% Load Testing
    10% Manual Testing
    10% Performance Testing
    10% Stress Testing
    5% Automation Testing
    5% Localization Testing
    5% Recovery Testing
    5% Volume Testing

    Founded in 2026, Exovara Labs LLC is a small San Francisco, California-based website development company. Their team specializes in Web Development and Custom Software Development.

    Read more
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  • ThinkSys Logotype

    5.0 20 reviews
    $5,000+
    < $25 / hr
    250 - 999
    Sunnyvale, CA

    Services provided

    100% Application Testing

    Focus Areas

    10% Reliability Testing
    25% Automation Testing
    25% Manual Testing +4
    10% Compliance Testing
    10% Load Testing
    10% Performance Testing
    10% Stress Testing

    ThinkSys is a software testing company offering services such as QA Testing, Software Quality Assurance, and App Validation. Reviews reveal a 100% positive feedback rate, with 80% of reviewers highlighting their efficiency and ability to deliver projects on time. Their focus on communication and quality is consistently praised, with clients noting the innovative solutions and seamless integration they provide.

    See all 20 projects
    1 of 1 reviews is 5 stars
    1 new review for Application Testing services
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    Recent client feedback on ThinkSys highlights their effective communication, project management, and high-quality deliverables. A Co Managing Director from Limited Space noted their team's ability to integrate carrier APIs successfully and praised the company's culture fit and value for cost. Clients appreciate their responsiveness and the proactive approach to project challenges. Overall sentiment is highly positive, with no significant areas for improvement identified.
    Read 1 Recent Review
    5 of 5 Application Testing reviews are 5 stars
    5 new reviews for Application Testing in past 6 months
    $50,000 – $199,999 avg. project cost

    Application Testing PROJECT HIGHLIGHT

    API Integration for Advertising Services Company

    5.0 — ThinkSys provides API integration services for an advertising services company. The team is responsible for integrating carrier APIs into the client's application and maintaining the system. Read more
    Read 5 Reviews
    $1,199 Suitable for small applications $2,299 Suitable for small to medium applications $3,299 Suitable for large applications

    Fractional QA Package

    Choose a plan that suits your current need. Scale up or down as requirements change. Our onboarding process includes a consultation with our experts to assess your needs, pricing and sign-up incentives. All plans include a dedicated QA Engineer.
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  • Exadel People Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Walnut Creek, CA

    Services provided

    10% Application Testing
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI +8
    10% DevOps Managed Services
    10% Digital Engineering
    10% Generative AI
    10% IT Managed Services
    10% IT Strategy Consulting
    10% UX/UI Design
    5% Custom Software Development
    5% IoT Development

    Focus Areas

    50% Reliability Testing
    50% Performance Testing

    Exadel People is an user experience design agency launched in 1998. The team provides UX/UI Design and IT strategy consulting.

    Read more
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  • Kumaran Systems Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Menlo Park, CA

    Services provided

    10% Application Testing
    50% Enterprise App Modernization
    10% BI & Big Data Consulting & SI +3
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Mobile App Development

    Focus Areas

    10% Reliability Testing
    10% Automation Testing
    10% Beta Testing +7
    10% Compatibility Testing
    10% Compliance Testing
    10% Load Testing
    10% Localization Testing
    10% Manual Testing
    10% Performance Testing
    10% Stress Testing

    Kumaran Systems is a Menlo Park, California-based Enterprise App Modernization company. Founded in 1991, the team focuses on Enterprise App Modernization and BI & big data consulting & SI.

    Read more
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  • Spirent Communications Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    1,000 - 9,999
    San Jose, CA

    Services provided

    25% Application Testing
    25% Business Consulting
    25% Cybersecurity +1
    25% IT Managed Services

    Focus Areas

    30% Reliability Testing
    35% Automation Testing
    35% Performance Testing

    Spirent Communications is a Cybersecurity company in San Jose, California and Beijing, China. They offer Cybersecurity and IT managed services and were launched in 1936.

    Read more
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  • Klystron Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Pleasanton, CA

    Services provided

    20% Application Testing
    20% DevOps Managed Services
    20% E-Commerce Development +3
    20% Search Engine Optimization
    10% Custom Software Development
    10% Web Design

    Focus Areas

    20% Reliability Testing
    20% Automation Testing
    20% Compliance Testing +2
    20% Manual Testing
    20% Performance Testing

    Klystron is a SEO services firm. Their team is headquartered in Pleasanton, California. The firm specializes in Search Engine Optimization and Custom Software Development.

    Read more
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  • Arosys Technologies Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    Sunnyvale, CA

    Services provided

    20% Application Testing
    20% Application Management & Support
    20% Custom Software Development +3
    20% DevOps Managed Services
    15% IT Strategy Consulting
    5% AI Development

    Focus Areas

    10% Reliability Testing
    20% Manual Testing
    15% Compliance Testing +5
    15% Performance Testing
    10% Automation Testing
    10% Compatibility Testing
    10% Load Testing
    10% Stress Testing

    Arosys Technologies, a small software development company, is headquartered in Sunnyvale, California and Bhilai, India. The team focuses on Custom Software Development and Application Testing.

    Read more
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  • Innovative Circuits Engineering, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    San Jose, CA

    Services provided

    100% Application Testing

    Focus Areas

    100% Reliability Testing

    Innovative Circuits Engineering, Inc. Is an Application Testing company. The team provides Application Testing, and the firm is located in San Jose, California.

    Read more
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  • Orestas Labs Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Sunnyvale, CA

    Services provided

    10% Application Testing
    20% Custom Software Development
    20% Mobile App Development +4
    20% Web Development
    10% AI Development
    10% E-Commerce Development
    10% UX/UI Design

    Focus Areas

    10% Reliability Testing
    10% Automation Testing
    10% Beta Testing +7
    10% Compatibility Testing
    10% Compliance Testing
    10% Load Testing
    10% Localization Testing
    10% Manual Testing
    10% Performance Testing
    10% Stress Testing

    Orestas Labs, an app development company, was founded in 2024. The agency provides Mobile App Development and Web Development, and is small.

    Read more
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  • Mumba Technologies Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    San Jose, CA

    Services provided

    10% Application Testing
    10% BI & Big Data Consulting & SI
    10% Business Consulting +7
    10% CRM Consulting and SI
    10% Custom Software Development
    10% ERP Consulting and SI
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Sales Outsourcing

    Focus Areas

    100% Reliability Testing

    Mumba Technologies is an IT strategy consulting company. Launched in 2010, the team offers IT strategy consulting and BI & big data consulting & SI.

    Read more
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1 Vention
2 BugRaptors

List of the Top 2 San Francisco Reliability Testing Services

  1. Vention Logotype

    Vention

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    San Francisco, CA

    Ability to deliver

    39.8/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    10% Application Testing
    10% Reliability Testing
    90% Other
    View Profile Visit Website
  2. BugRaptors Logotype

    BugRaptors

    $1,000+
    < $25 / hr
    250 - 999
    Emeryville, CA

    Ability to deliver

    33.1/40.0
    17/20 Reviews
    6.7/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    70% Application Testing
    10% Reliability Testing
    30% Other
    View Profile Visit Website
  3. TrustInSoft Logotype

    TrustInSoft

    Undisclosed
    Undisclosed
    50 - 249
    San Francisco, CA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    20% Application Testing
    100% Reliability Testing
    80% Other
    View Profile Visit Website
  4. Exovara Labs LLC Logotype

    Exovara Labs LLC

    Undisclosed
    $50 - $99 / hr
    2 - 9
    San Francisco, CA

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Application Testing
    10% Reliability Testing
    90% Other
    View Profile Visit Website
  5. ThinkSys Logotype

    ThinkSys

    $5,000+
    < $25 / hr
    250 - 999
    Sunnyvale, CA

    Ability to deliver

    27.1/40.0
    18/20 Reviews
    1.6/10 Clients & Experience
    7.5/10 Market Presence

    Service focus

    100% Application Testing
    10% Reliability Testing
    View Profile Visit Website
  6. Exadel People Logotype

    Exadel People

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Walnut Creek, CA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    10% Application Testing
    50% Reliability Testing
    90% Other
    View Profile Visit Website
  7. Kumaran Systems Logotype

    Kumaran Systems

    Undisclosed
    Undisclosed
    250 - 999
    Menlo Park, CA

    Ability to deliver

    5.5/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    10% Application Testing
    10% Reliability Testing
    90% Other
    View Profile Visit Website
  8. Spirent Communications Logotype

    Spirent Communications

    Undisclosed
    Undisclosed
    1,000 - 9,999
    San Jose, CA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    25% Application Testing
    30% Reliability Testing
    75% Other
    View Profile Visit Website
  9. Klystron Logotype

    Klystron

    $1,000+
    $25 - $49 / hr
    10 - 49
    Pleasanton, CA

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    20% Application Testing
    20% Reliability Testing
    80% Other
    View Profile Visit Website
  10. Arosys Technologies Logotype

    Arosys Technologies

    $1,000+
    Undisclosed
    10 - 49
    Sunnyvale, CA

    Ability to deliver

    5.2/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    20% Application Testing
    10% Reliability Testing
    80% Other
    View Profile Visit Website
  11. Innovative Circuits Engineering, Inc. Logotype

    Innovative Circuits Engineering, Inc.

    Undisclosed
    Undisclosed
    10 - 49
    San Jose, CA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    100% Application Testing
    100% Reliability Testing
    View Profile Visit Website
  12. Orestas Labs Logotype

    Orestas Labs

    $5,000+
    $50 - $99 / hr
    2 - 9
    Sunnyvale, CA

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Application Testing
    10% Reliability Testing
    90% Other
    View Profile Visit Website
  13. Mumba Technologies Logotype

    Mumba Technologies

    Undisclosed
    Undisclosed
    50 - 249
    San Jose, CA

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    10% Application Testing
    100% Reliability Testing
    90% Other
    View Profile Visit Website

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