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Result-Driven Process ⭐ 150+ Successful Projects ⭐

For over ten years Selleo has delivered professional services on more than 150+ software development projects for clients from Europe, the US, Canada, and Australia, designing and building a number of applications throughout a wide spectrum of business domains, industries, and technologies (Ruby on Rails, ReactJS, React Native, EmberJS, Elixir).

Extend your in-house team

  • Min project size
    $10,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    50 - 249
  • Locations
    Bielsko-Biała, Poland
  • Year founded
    Founded 2005
  • Languages
  • Timezones

1 Language that we service

  • English

1 Timezone that we service

CET
Central European Time (CET)

2 Locations

  • Bielsko-Biała , Poland
  • Bielsko-Biała , Poland

No have been added yet...

    Pricing Snapshot

    Min. project size $10,000+
    Avg. hourly rate $25 - $49 /hr
    Rating for cost 4.5 /5

    What Clients Have Said

    Selleo provides competitive pricing with good value for cost, as noted by clients. Project costs range from $20,000 to over $500,000, depending on scope and client size. Clients appreciate Selleo's quality, communication, and project management, often highlighting their ability to deliver on time and within budget.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 23 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    Selleo Review Insights

    Overall Review Rating

    4.7
    • Quality 4.6
    • Schedule 4.5
    • Cost 4.5
    • Willing to Refer 4.7

    Top Mentions

    Review Highlights

    • Responsive and Adaptive to Client Needs

      Clients appreciate Selleo's responsiveness and adaptability, highlighting their ability to quickly adjust to changing requirements and challenges. This flexibility is seen as a key strength in their service delivery.

    • Effective Communication and Collaboration

      Selleo is recognized for their excellent communication skills and ability to integrate seamlessly with client teams. Their openness and transparency foster a collaborative and productive working environment.

    • Commitment to Client Success

      Selleo's team is praised for their dedication and proactive approach to understanding and meeting client needs. They are seen as invested partners, often going beyond scope to ensure project success and client satisfaction.

    • Room for Improvement in Estimating Procedures

      Some clients suggest that Selleo could enhance their estimating procedures and deepen their understanding of certain business markets to better support client objectives and timelines.

    • Focus on Long-term Partnerships

      Selleo is noted for their focus on building long-term relationships with clients. Their approach to training and retaining in-house talent contributes to sustained quality and continuity in client engagements.

    • High-Quality Technical Output

      Clients frequently highlight the high quality of Selleo’s technical work, noting their ability to deliver reliable, maintainable, and well-tested code. Their proficiency in technologies like Ruby on Rails, React.js, and Python is particularly noted.

    Selleo Reviews

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    Custom Software Development for FinTech Company

    • Custom Software Development IT Staff Augmentation Web Development
    • Confidential
    • Jan. 2019 - Nov. 2024
    5.0
    Quality
    4.5
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0
    "Selleo doesn't rush to get something done; they get it done correctly."
    Nov 22, 2023
    VP of Product, FinTech Company
    Frank Conway
    Verified
    • Other industries
    • Allentown, Pennsylvania
    • 1,001-5,000 Employees
    • Online Review
    • Verified

    A fintech company has hired Selleo to develop a self-service kiosk for sports and entertainment venues and a web admin portal for merchants. The team works on front- and backend development.

    SaaS Platform Revamp for Healthcare Company

    • Custom Software Development
    • Confidential
    • Jan. - Aug. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They are very agile, flexible, and accommodating to our needs."

    Aug 25, 2023
    President & CEO, Healthcare Company
    Anonymous
    Verified
    • Other industries
    • Newark, New Jersey
    • 11-50 Employees
    • Online Review
    • Verified

    A healthcare company partnered with Selleo to revamp their existing SaaS platform within a specific budget. The team was tasked with redesigning the platform's UI/UX and expanding its functionality.

    App Design for App Development Company

    • Custom Software Development
    • $10,000 to $49,999
    • Jan. 2021 - Jan. 2022
    0.5
    Quality
    0.5
    Schedule
    0.5
    Cost
    0.5
    Willing to Refer
    0.5

    "The end result was terrible."

    Jan 9, 2023
    Co-Founder, App Development Company
    Anonymous
    Verified
    • Other industries
    • Sydney, Australia
    • 11-50 Employees
    • Online Review
    • Verified

    Selleo redesigned an app for an app development company. They were tasked with recreating widgets and designing the UX.

    Financial App Development for Fintech Company

    • IT Staff Augmentation Mobile App Development
    • $50,000 to $199,999
    • May 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    3.5
    Willing to Refer
    5.0

    "The team is fully integrated into our own workflows and processes."

    Aug 8, 2022
    Co-Founder, Fintech Company
    Anonymous
    Verified
    • Financial services
    • Wilmington, Delaware
    • 11-50 Employees
    • Online Review
    • Verified

    A fintech company was looking to enhance their frontend capabilities for their financing software, so they engaged with Selleo to supplement their staff of mobile app developers.

    SaaS Dev. for a Software Provider

    • Custom Software Development
    • $50,000 to $199,999
    • June 2017 - Ongoing
    4.5
    Quality
    4.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    4.0

    “We can now ship our products faster and demonstrate our ability to execute quickly.”

    Jul 31, 2018
    CTO, Alyne
    Manuel Reil
    Verified
    • Information technology
    • Germany
    • 11-50 Employees
    • Online Review
    • Verified

    Selleo provided expertise on improving the framework for a SaaS solution. This included providing insight on API and UI.

    Showing 31-35 of 35 Reviews

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    35
    Overall Review Rating
    4.7
    Source
    Clutch
    Last Updated
    December 22, 2025

    Business Entity

    Business Entity Name Selleo Labs Sp. z o.o.
    Source Central Statistical Office of Poland
    Jurisdiction of Formation Poland
    Date of Formation October 13, 2021
    Status Active
    Last Updated July 8, 2025
    ID 0000925982

    Credit Report Results

    International Credit Risk Assessment Low Risk
    Source Creditsafe
    Last Updated July 8, 2025
    Learn More About The Clutch Verification Process

    Locations (2)

    Powstańców Śląskich 3 Bielsko-BiałaPoland 43-300

    50 - 75

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