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Home Software Testing Localization Testing United States California San Francisco

Top Localization Testing Services in San Francisco

Ratings Updated: November 11, 2026
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14 Companies

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

List of the Top San Francisco Localization Testers

  • Sedin Technologies Logotype

    4.7 42 reviews
    Verified
    $10,000+
    $25 - $49 / hr
    250 - 999
    Sunnyvale, CA

    Services provided

    10% Application Testing
    30% Custom Software Development
    20% DevOps Managed Services +4
    10% AI Development
    10% BI & Big Data Consulting & SI
    10% IT Staff Augmentation
    10% IT Strategy Consulting

    Focus Areas

    10% Localization Testing
    10% Automation Testing
    10% Compatibility Testing +7
    10% Compliance Testing
    10% Manual Testing
    10% Performance Testing
    10% Recovery Testing
    10% Reliability Testing
    10% Stress Testing
    10% Volume Testing

    Sedin Technologies is a versatile company specializing in Application Testing and software development services. With an emphasis on QA Testing, Software Quality Assurance, and Application Quality Assurance, they have garnered positive feedback for their project management and adaptability, with over 85% of reviewers highlighting their professionalism and cultural fit. Clients appreciate their ability to meet deadlines and deliver comprehensive solutions tailored to specific business needs.

    See all 42 projects

    Reviews mention Patient

    Clients have expressed positive sentiments regarding Sedin Technologies' patience in addressing queries and documenting project details thoroughly. One executive noted that the team 'patiently answers our questions,' enhancing communication and project management. This patient approach, combined with their timely and effective work, has contributed to a favorable ongoing partnership, with clients feeling satisfied and confident in the company's ability to meet their needs.
    • Product Design for Automation Assembly Equipment Company
      4.0 Mar 7, 2023

      Sedin Technologies' team patiently answers our questions and documents everything very well. In terms of tools and communication, we use email and messages.

      Read Full Review
    Read All Reviews
    1 of 4 Application Testing reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Application Testing PROJECT HIGHLIGHT

    Custom Software Dev for SaaS Company

    5.0 — Sedin Technologies upgraded a SaaS company's Ruby and Rails versions. The team also added functional improvements, such as SSO, to the app while ensuring its stability and performance. Read more
    Read 4 Reviews

    Industry Experience

    Sedin Technologies has garnered positive feedback from multiple industries including Retail, Financial Services, Manufacturing, and Energy. Clients commend their expertise in software development, UI/UX enhancement, and project management, highlighting improvements in SEO, operational efficiencies, and quality of deliverables. Overall, sentiment is strong across various sectors, with particular praise for their responsiveness, technical proficiency, and ability to augment existing teams effectively.

    Read All Reviews

    Select Industry to see insights

    Software Retail Arts, entertainment & music Media Financial services Energy & natural resources Non-profit Insurance Information technology Healthcare Consulting eCommerce IT Services Engineering Research Automotive Contracting Pharmaceuticals Manufacturing Other industries

    Average Project Cost Breakdown

    $10,000 to $49,000 (9) Less than $10,000 (5) $50,000 to $199,999 (4) $200,000 to $999,999 (4) $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    Clients consistently highlight Sedin Technologies' strong value for money, noting that their pricing fits budgets while delivering high-quality results. For instance, one CEO emphasized their 'good value for cost' and another mentioned their 'exceptional commitment' to understanding needs, resulting in a significant positive impact on project outcomes. Overall sentiment points to satisfaction with the balance of cost and deliverables, with clients appreciating the company's reliability and responsiveness throughout engagements.
    Read All Reviews
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  • LogiGear Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    1,000 - 9,999
    San Mateo, CA

    Services provided

    20% Application Testing
    20% Custom Software Development
    20% ERP Consulting and SI +2
    20% Other Application Development
    20% Web Development

    Focus Areas

    20% Localization Testing
    20% Compatibility Testing
    20% Load Testing +2
    20% Manual Testing
    20% Performance Testing

    ERP consulting and SI company LogiGear was established in 1994. The team focuses on ERP consulting and SI and Custom Software Development.

    Read more
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  • UASOFTDEV Logotype

    5.0 11 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    San Francisco, CA

    Services provided

    10% Application Testing
    10% AI Agents
    10% AI Development +7
    10% AR/VR Development
    10% Blockchain
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% E-Commerce Development
    10% Generative AI
    10% IT Staff Augmentation

    Focus Areas

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

    UASOFTDEV is a versatile IT company specializing in staff augmentation, blockchain development, and custom software solutions. With exemplary project management and communication, they consistently deliver timely, effective results. Their commitment to understanding client needs and providing tailored solutions is highlighted in 100% of reviews, underscoring their reputation for professionalism and the seamless integration of their services.

    See all 11 projects

    Reviews mention Professional

    UASOFTDEV has received overwhelmingly positive feedback regarding their professionalism. Clients have noted their exceptional understanding of business needs, timely delivery, and agile project management. One client highlighted their ability to close five positions in just two weeks, resulting in a 30% profit increase. Another client praised UASOFTDEV as a true extension of their team, emphasizing seamless integration and exceptional customer support. Overall, clients express high satisfaction with UASOFTDEV's services, noting no areas for improvement.
    • Staff Augmentation for Digital Studio
      5.0 Jul 27, 2025

      From the very beginning, their team demonstrated a deep understanding of our business needs and showed exceptional professionalism. Whether it was IT services or customer support, their ability to integrate seamlessly with our internal teams was impressive. They are not just a vendor—they have become a true extension of our team.

      Read Full Review
    • IT Staff Augmentation for Web Development Company
      5.0 Aug 18, 2025

      They deliver on time and work in an agile way. They are spectacular professionals. We communicate online.

      Read Full Review
    Read All Reviews

    Industry Experience

    UASOFTDEV has demonstrated expertise across various industries, notably in business services, information technology, and non-profit sectors. Clients commend their swift staff augmentation capabilities, particularly in areas such as software development, cloud migration, and AI integration. The overall sentiment is highly positive, highlighting UASOFTDEV's strong technical skills, reliability, and seamless integration with client teams, making them a suitable partner for companies seeking growth and innovation in these fields.

    Read All Reviews

    Select Industry to see insights

    Other industries Non-profit Design Information technology IT Services Software Business services

    Average Project Cost Breakdown

    Less than $10,000 (2) $10,000 to $49,000 (2) $50,000 to $199,999 (2)

    What Clients Have Said

    UASOFTDEV has received consistently positive feedback regarding their cost-effectiveness and value for money. Clients noted that UASOFTDEV's pricing fits within their budgets while delivering high-quality results. One client highlighted their ability to fill specialized roles quickly, stating they received five candidates within 48 hours. Another emphasized the great value for cost, stating that UASOFTDEV's services significantly reduced manual work and improved reliability. Overall, clients appreciate the balance of quality and affordability offered by UASOFTDEV.
    Read All Reviews

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    Ukraine (2) Bulgaria (1) Cyprus (1) Germany (1) England (1)
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  • A-V Services, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    San Francisco, CA

    Services provided

    100% Application Testing

    Focus Areas

    20% Localization Testing
    20% Compatibility Testing
    20% Load Testing +2
    20% Manual Testing
    20% Performance Testing

    A-V Services, Inc. Is an Application Testing company. Their midsize team is in New York, New York and Fairfield, New Jersey. Their services include Application Testing.

    Read more

    San Francisco, CA

    71 Stevenson St, 400
    San Francisco, CA 94105

    2 - 5

    See All Locations (3)
    View Profile
  • ACCELQ Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    50 - 249
    San Francisco, CA

    Services provided

    10% Application Testing
    50% Branding
    40% Custom Software Development

    Focus Areas

    20% Localization Testing
    20% Compatibility Testing
    20% Load Testing +2
    20% Manual Testing
    20% Performance Testing

    ACCELQ is a branding company. The team is headquartered in San Francisco, California, and their services include Branding and Custom Software Development.

    Read more
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  • Testing Hero Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    San Francisco, CA

    Services provided

    60% Application Testing
    20% Mobile App Development
    20% Web Development

    Focus Areas

    15% Localization Testing
    25% Automation Testing
    20% Beta Testing +2
    20% Compatibility Testing
    20% Performance Testing

    Midsize Application Testing company Testing Hero, is headquartered in San Francisco, California and Hanoi, Vietnam. The team specializes in Application Testing and Web Development.

    Read more
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  • pCloudy Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    50 - 249
    Dublin, CA

    Services provided

    100% Application Testing

    Focus Areas

    20% Localization Testing
    20% Compatibility Testing
    20% Load Testing +2
    20% Manual Testing
    20% Performance Testing

    PCloudy, an Application Testing company, is in Dublin, California. Established in 2015, the team offers Application Testing.

    Read more
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  • Beta Breakers Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    10 - 49
    Novato, CA

    Services provided

    100% Application Testing

    Focus Areas

    15% Localization Testing
    20% Automation Testing
    20% Performance Testing +3
    15% Compatibility Testing
    15% Load Testing
    15% Manual Testing

    Application Testing company Beta Breakers was launched in 1981. The team specializes in Application Testing.

    Read more
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  • Appzlogic Inc Logotype

    5.0 5 reviews
    $1,000+
    < $25 / hr
    250 - 999
    Milpitas, CA

    Services provided

    20% Application Testing
    30% IT Staff Augmentation
    20% Mobile App Development +2
    20% Web Development
    10% Generative AI

    Focus Areas

    10% Localization Testing
    40% Automation Testing
    20% Compatibility Testing +2
    20% Manual Testing
    10% Compliance Testing

    Appzlogic Inc specializes in Application Testing, QA Testing, and Software Quality Assurance services. Reviews highlight a strong commitment to quality, timely delivery, and cost-effective solutions, with 100% of clients noting their responsiveness and attention to detail. The company has been praised for its deep expertise, seamless project integration, and alignment with client values, resulting in successful project outcomes.

    See all 5 projects

    Reviews mention Innovative

    Clients have praised Appzlogic Inc for their innovative approach, particularly highlighting the unique integration of interactive features such as embedding quizzes directly into videos. This capability significantly enhances the educational experience, transforming traditional content into engaging formats. One client noted their commitment to responsiveness and personalized solutions, which fostered a collaborative atmosphere throughout the project. Overall, the sentiment reflects a strong appreciation for Appzlogic's creativity and effectiveness in delivering tailored educational tools.
    • Website Dev & Maintenance for E-Learning Platform
      5.0 Oct 25, 2024

      What stood out most about this company was their innovative approach to integrating interactive features that truly enhanced the educational experience. Their platform’s unique capability to embed quizzes directly into videos, combined with a seamless teacher-student interaction system, transformed standard learning content into an engaging, interactive format. Additionally, their commitment to responsiveness and tailored solutions made the entire process feel collaborative and highly personalized, setting them apart from others in the field.

      Read Full Review
    Read All Reviews

    Industry Experience

    Appzlogic Inc has demonstrated strong expertise across various industries, including Hospitality & Leisure, Software, IT Services, and Education. Clients have praised their commitment to quality, responsiveness, and ability to deliver tailored solutions. In Hospitality & Leisure, they excelled in eCommerce technology implementations. In Software, they showcased proficiency in mobile development and DevOps automation. Their work in IT Services focused on security compliance, while in Education, they developed interactive learning platforms. Overall, sentiment is highly positive, indicating a strong fit for clients in these sectors.

    Read All Reviews

    Select Industry to see insights

    Hospitality & leisure Software Other industries IT Services Education

    View projects from:

    United States (4) India (1)

    Milpitas, CA

    741 Ames Avenue
    Milpitas, CA 95035

    16 - 20

    5102837596

    See All Locations (5)
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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% Localization Testing
    10% Automation Testing
    10% Beta Testing +7
    10% Compatibility Testing
    10% Compliance Testing
    10% Load Testing
    10% Manual Testing
    10% Performance Testing
    10% Reliability 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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  • BlazeMeter Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Palo Alto, CA

    Services provided

    80% Application Testing
    20% DevOps Managed Services

    Focus Areas

    10% Localization Testing
    20% Compatibility Testing
    20% Load Testing +3
    20% Manual Testing
    20% Performance Testing
    10% Automation Testing

    BlazeMeter is an Application Testing company. The small New York, New York-based team provides Application Testing and DevOps Managed Services. The agency was established in 2011.

    Read more

    Palo Alto, CA

    2390 El Camino Real
    Palo Alto, CA 94306

    1

    See All Locations (2)
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  • CLARITY TECH LLC Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Fremont, CA

    Services provided

    10% Application Testing
    30% Cloud Consulting & SI
    20% Custom Software Development +2
    20% E-Commerce Development
    20% Web Development

    Focus Areas

    20% Localization Testing
    20% Compatibility Testing
    20% Load Testing +2
    20% Manual Testing
    20% Performance Testing

    Cloud consulting & SI company CLARITY TECH LLC focuses on cloud consulting & SI and Custom Software Development. They were founded in 2022.

    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% Localization Testing
    10% Automation Testing
    10% Beta Testing +7
    10% Compatibility Testing
    10% Compliance Testing
    10% Load Testing
    10% Manual Testing
    10% Performance Testing
    10% Reliability 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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  • 360logica Software Testing Services Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Sunnyvale, CA

    Services provided

    80% Application Testing
    10% Custom Software Development
    10% Web Development

    Focus Areas

    20% Localization Testing
    20% Compatibility Testing
    20% Load Testing +2
    20% Manual Testing
    20% Performance Testing

    360logica Software Testing Services is a Noida, India-based Application Testing company. The team provides Application Testing and Custom Software Development.

    Read more

    Sunnyvale, CA

    640 W California Ave Suite 210
    Sunnyvale, CA 94086

    +1 (925) 271-2558

    See All Locations (5)
    View Profile

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List of the Top San Francisco Localization Testers

  1. LogiGear Logotype

    LogiGear

    $25,000+
    $25 - $49 / hr
    1,000 - 9,999
    San Mateo, CA

    Ability to deliver

    5.8/40.0
    0/20 Reviews
    1.5/10 Clients & Experience
    4.3/10 Market Presence

    Service focus

    20% Application Testing
    20% Localization Testing
    80% Other
    View Profile Visit Website
  2. UASOFTDEV Logotype

    UASOFTDEV

    $10,000+
    $25 - $49 / hr
    50 - 249
    San Francisco, CA

    Ability to deliver

    24.6/40.0
    17.6/20 Reviews
    3.6/10 Clients & Experience
    3.4/10 Market Presence

    Service focus

    10% Application Testing
    10% Localization Testing
    90% Other
    View Profile Visit Website
  3. A-V Services, Inc. Logotype

    A-V Services, Inc.

    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

    100% Application Testing
    20% Localization Testing
    View Profile Visit Website
  4. ACCELQ Logotype

    ACCELQ

    $1,000+
    $50 - $99 / hr
    50 - 249
    San Francisco, CA

    Ability to deliver

    4.3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.3/10 Market Presence

    Service focus

    10% Application Testing
    20% Localization Testing
    90% Other
    View Profile Visit Website
  5. Testing Hero Logotype

    Testing Hero

    Undisclosed
    Undisclosed
    250 - 999
    San Francisco, CA

    Ability to deliver

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

    Service focus

    60% Application Testing
    15% Localization Testing
    40% Other
    View Profile Visit Website
  6. Sedin Technologies Logotype

    Sedin Technologies

    $10,000+
    $25 - $49 / hr
    250 - 999
    Sunnyvale, CA

    Ability to deliver

    32.2/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Application Testing
    10% Localization Testing
    90% Other
    View Profile Visit Website
  7. pCloudy Logotype

    pCloudy

    $1,000+
    Undisclosed
    50 - 249
    Dublin, CA

    Ability to deliver

    4.3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.3/10 Market Presence

    Service focus

    100% Application Testing
    20% Localization Testing
    View Profile Visit Website
  8. Beta Breakers Logotype

    Beta Breakers

    Undisclosed
    $50 - $99 / hr
    10 - 49
    Novato, CA

    Ability to deliver

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

    Service focus

    100% Application Testing
    15% Localization Testing
    View Profile Visit Website
  9. Appzlogic Inc Logotype

    Appzlogic Inc

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

    Ability to deliver

    31.2/40.0
    17/20 Reviews
    9.8/10 Clients & Experience
    4.4/10 Market Presence

    Service focus

    20% Application Testing
    10% Localization Testing
    80% Other
    View Profile Visit Website
  10. Kumaran Systems Logotype

    Kumaran Systems

    Undisclosed
    Undisclosed
    250 - 999
    Menlo Park, CA

    Ability to deliver

    4.1/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.1/10 Market Presence

    Service focus

    10% Application Testing
    10% Localization Testing
    90% Other
    View Profile Visit Website
  11. BlazeMeter Logotype

    BlazeMeter

    Undisclosed
    Undisclosed
    10 - 49
    Palo Alto, CA

    Ability to deliver

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

    Service focus

    80% Application Testing
    10% Localization Testing
    20% Other
    View Profile Visit Website
  12. CLARITY TECH LLC Logotype

    CLARITY TECH LLC

    $5,000+
    $150 - $199 / hr
    2 - 9
    Fremont, CA

    Ability to deliver

    3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    3/10 Market Presence

    Service focus

    10% Application Testing
    20% Localization Testing
    90% Other
    View Profile Visit Website
  13. Orestas Labs Logotype

    Orestas Labs

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

    Ability to deliver

    3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    3/10 Market Presence

    Service focus

    10% Application Testing
    10% Localization Testing
    90% Other
    View Profile Visit Website
  14. 360logica Software Testing Services Logotype

    360logica Software Testing Services

    Undisclosed
    Undisclosed
    10 - 49
    Sunnyvale, CA

    Ability to deliver

    4.4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.4/10 Market Presence

    Service focus

    80% Application Testing
    20% Localization Testing
    20% Other
    View Profile Visit Website

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