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Top Integration Testing Services in Barcelona

Ratings Updated: April 2, 2026
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1 Leaders 3 Contenders

4 Companies

Country: Spain
City: Barcelona
Functional Software Testing: Integration Testing

List of the Top Barcelona Integration Testing Companies

  • Two.Zero Logotype

    4.9 6 reviews
    $1,000+
    $50 - $99 / hr
    10 - 49
    Sant Cugat del Vallès, Spain

    Services provided

    20% Application Testing
    20% Custom Software Development
    20% E-Commerce Development +2
    20% Mobile App Development
    20% Web Development

    Focus Areas

    13% Integration Testing
    13% A/B Testing
    13% Acceptance Testing +5
    13% Installation Testing
    13% IoT Testing
    13% Unit Testing
    12% Regression Testing
    10% Sanity Testing

    Two.Zero is a versatile digital services company providing a wide range of services including web development, app creation, career coaching, and digital marketing. Reviews highlight their professionalism, responsiveness, and ability to deliver complex projects on time, with approximately 75% of feedback being positive. Clients commend their strong project management skills and adaptability, though minor improvements in technical documentation and advisory guidance are suggested.

    See all 6 projects

    Reviews mention Flexible

    The overall sentiment regarding Two.Zero's flexibility is highly positive. Clients noted their adaptability in addressing evolving project needs and accommodating last-minute changes, as highlighted by the CEO of TouchBase, who mentioned their ability to implement ad-hoc requests promptly. Additionally, the CCO of People Solutions Consulting praised Two.Zero's flexibility and culture, emphasizing their responsiveness to client requirements. This adaptability contributed significantly to successful project outcomes and client satisfaction.
    • SEO, SEM & Social Media Marketing for Business Services Co
      5.0 Jan 6, 2026

      I'm impressed by Two.Zero's flexibility, excellence, and culture.

      Read Full Review
    • Web & Mobile App Dev for Creative Technology Firm
      4.5 Feb 12, 2026

      The development team was responsive to feedback and evolving project needs. They addressed technical issues, implemented requested changes, and provided clarification when required. Their flexibility allowed the application to adapt to the specific requirements of the Droyz phygital ecosystem, which combines physical products, digital ownership, and interactive technologies.

      Read Full Review
    Read All Reviews
    5 of 6 reviews are 5 stars
    Less than $10,000 avg. project cost

    Reviewed 6 times in the past 6 months

    Over the last six months, client feedback for Two.Zero has been overwhelmingly positive, highlighting their professionalism and adaptability. Clients praised their ability to deliver tailored solutions, such as a functional MVP for Quicine and an engaging marketing campaign for People Solutions Consulting, leading to significant improvements in user engagement and brand visibility. Notably, clients appreciated their timely delivery and effective communication, although some suggested enhancements in technical documentation and detail orientation. Overall, Two.Zero is viewed as a reliable partner for diverse project needs.
    Read 6 Recent Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (3) Less than $10,000 (1)

    What Clients Have Said

    Client feedback highlights Two.Zero's strong value for money, with several clients noting that their pricing fits within budget constraints while delivering high-quality results. For instance, one client appreciated the 'good value for cost' when choosing Two.Zero, while another remarked on their impressive flexibility and professionalism. Overall, sentiment is positive, with multiple clients expressing satisfaction with the quality of work relative to the investment made, reinforcing the perception of Two.Zero as a cost-effective partner.
    Read All Reviews

    Review Rating from Clients

    4.9/5.0

    Quality

    4.9

    Schedule

    4.9

    Cost

    5.0

    Willing to Refer

    5.0

    Serving Barcelona, Two.Zero is renowned for producing top-tier promotional videos, branding assets, and marketing content. Clients highlight their professionalism, timely delivery, and adaptability, with a focus on high standards and clear communication, making them a trusted choice for local branding and multimedia projects.
    Read Local Reviews
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  • Redsauce Engineering Services S.L. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Viladecans, Spain

    Services provided

    40% Application Testing
    20% Custom Software Development
    20% Cybersecurity +1
    20% Mobile App Development

    Focus Areas

    20% Integration Testing
    20% Installation Testing
    20% Regression Testing +2
    20% Sanity Testing
    20% Unit Testing

    Redsauce Engineering Services S.L. Is an Application Testing company. The team provides Application Testing and Cybersecurity and is based in Viladecans, Spain.

    Read more
    View Profile
  • Rapita Systems, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Barcelona, Spain

    Services provided

    100% Application Testing

    Focus Areas

    50% Integration Testing
    50% Unit Testing

    Rapita Systems, Inc. Is an Application Testing company founded in 2004. The team focuses on Application Testing.

    Read more

    Barcelona, Spain

    Parc UPC, Edificio K2M c/ Jordi Girona, 1-3, Office 306-307
    Barcelona, Spain 08034

    34 93 351 02 05

    See All Locations (3)
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  • w3 research Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Esplugues de Llobregat, Spain

    Services provided

    30% Application Testing
    40% Custom Software Development
    30% Corporate Training & Coaching

    Focus Areas

    30% Integration Testing
    40% Regression Testing
    30% Unit Testing

    W3 research, a small custom software development firm, is in Esplugues de Llobregat, Spain. Their services include Custom Software Development and Application Testing.

    Read more
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1 Two.Zero

List of the Top 1 Barcelona Integration Testing Companies

  1. Two.Zero Logotype

    Two.Zero

    $1,000+
    $50 - $99 / hr
    10 - 49
    Sant Cugat del Vallès, Spain

    Ability to deliver

    31.7/40.0
    18/20 Reviews
    8.7/10 Clients & Experience
    5/10 Market Presence

    Service focus

    20% Application Testing
    13% Integration Testing
    80% Other
    View Profile Visit Website
  2. Redsauce Engineering Services S.L. Logotype

    Redsauce Engineering Services S.L.

    Undisclosed
    Undisclosed
    10 - 49
    Viladecans, Spain

    Ability to deliver

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

    Service focus

    40% Application Testing
    20% Integration Testing
    60% Other
    View Profile Visit Website
  3. Rapita Systems, Inc. Logotype

    Rapita Systems, Inc.

    Undisclosed
    Undisclosed
    50 - 249
    Barcelona, Spain

    Ability to deliver

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

    Service focus

    100% Application Testing
    50% Integration Testing
    View Profile Visit Website
  4. w3 research Logotype

    w3 research

    Undisclosed
    Undisclosed
    10 - 49
    Esplugues de Llobregat, Spain

    Ability to deliver

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

    Service focus

    30% Application Testing
    30% Integration Testing
    70% Other
    View Profile Visit Website

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