• Post a Project

Senior Full-stack Devs: Supercharged by AI

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 (React, Node, React Native, Python, Ruby on Rails, 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 offers competitive pricing with clients noting strong value for cost. Projects ranged from $20,000 to over $600,000, depending on scope and duration. Clients praised their quality and responsiveness, indicating a good return on investment.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 1 review
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    Selleo Review Insights

    Overall Review Rating

    4.8
    • Quality 4.6
    • Schedule 4.5
    • Cost 4.5
    • Willing to Refer 4.8

    Top Mentions

    Review Highlights

    • Challenges with Meeting Deadlines and Quality

      While generally praised, some clients have reported issues with Selleo's ability to meet deadlines and maintain quality standards consistently, leading to project delays and subpar deliverables.

    • High-Quality UX/UI Design

      Selleo is recognized for its high-quality UX/UI design. Clients appreciate the aesthetic and functional design solutions that enhance user experience, with some projects receiving high ratings and positive user feedback.

    • Effective Problem-Solving and Innovation

      Selleo is commended for their problem-solving capabilities and innovative approaches. Clients value their ability to address complex challenges and provide insightful solutions that enhance product development.

    • Strong Cultural Fit and Team Collaboration

      Clients often note Selleo's cultural compatibility and seamless integration with in-house teams. Their collaborative approach and dedication to client success are highlighted as key strengths, making them feel like an extension of the client's team.

    • High-Quality Code and Development Standards

      Clients consistently praise Selleo for delivering high-quality, reliable, and well-documented code. Their adherence to development standards and practices ensures robust and maintainable solutions.

    • Commitment to Client Success and Business Goals

      Selleo demonstrates a strong commitment to understanding and achieving client business goals. Their dedication to delivering solutions that align with client objectives is frequently highlighted in reviews.

    Selleo Reviews

    Submit a Review
    All Filters

    0 selected

    Sort by
    Services
    Project Cost
    Industry
    Location

    Conference Management Platform for Training Company

    • Web Development
    • $10,000 to $49,999
    • Feb. 2014 - Mar. 2015
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "[W]ith Selleo’s professional approach, the work was easy and even enjoyable."

    May 23, 2017
    Vice Chairman of Advisory Board, Training Company
    Anonymous
    Verified
    • Other industries
    • Warsaw, Poland
    • 1-10 Employees
    • Online Review
    • Verified

    Selleo developed an event-focused web CMS solution with corresponding mobile apps (iOS, Android, and Windows Phone), incorporating user behavior analytics and feedback features to boost participation.

    Showing 1-1 of 1 Reviews

    Our Story

    We are Selleo - a community of self-driven digital experts crafting secure, scalable software across SaaS, EdTech, HRM, fintech, healthcare and e‑commerce. Our team blends Ruby on Rails, React/React Native, Node, Python and mobile expertise with Management 3.0 principles: ownership, proactiveness, respect and teamwork.

    Since our Rails origins we’ve grown into a 100+ strong, community‑engaged firm with ISO certifications and award‑winning culture, delivering dozens of successful projects.

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

    Learn More
    Verified Client Reviews
    36
    Overall Review Rating
    4.8
    Source
    Clutch
    Last Updated
    April 24, 2026

    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

    Contact Selleo

    If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

    Connect with Selleo on Social

    Get connected to see updates from Selleo like new case studies, latest reviews, their latest masterpieces in their portfolio, delivered straight to you.

    Gadre Infotech Pvt. Ltd.

    (1)
    Gadre Infotech Pvt. Ltd. Logotype

    Shalaka Teli

    Smarketing AS

    (1)
    Smarketing AS Logotype

    Linda Jensen

    Additional Connections

    (1)