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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

  • $10,000+
  • $25 - $49 / hr
  • 50 - 249
  • Bielsko-Biała, Poland
  • Founded 2005

2 Locations

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

Focus

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    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 project investments ranging from $20,000 to $600,000. Clients appreciate their value for cost, effective communication, and high-quality work, although some noted a desire for more robust estimating procedures.

    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
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    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

    • Excellent Communication and Collaboration

      Clients appreciate Selleo's clear and responsive communication. They integrate well with in-house teams and maintain transparency throughout projects, fostering a collaborative environment.

    • Challenges with Timeliness and Quality

      While most clients report timely and high-quality deliverables, one review mentioned significant delays and poor quality in their redesign project, highlighting a potential inconsistency in service delivery.

    • Client-Centric and Proactive Approach

      Selleo is noted for their client-focused attitude, working closely with clients to understand their needs and providing solutions that align with business objectives. They are proactive in suggesting improvements and optimizing solutions.

    • Strong Team and Company Culture

      The company's culture and team dynamics receive praise for fostering a positive work environment. They are described as motivated, enthusiastic, and aligned with client values, contributing to successful partnerships.

    • Strong Project Management Capabilities

      Most reviews commend Selleo's project management skills, noting their ability to deliver projects on time and within budget. Their use of Agile methodologies, regular communication, and proactive problem-solving contribute to effective project management.

    • Technical Expertise and Innovation

      Selleo's technical proficiency in modern technologies like React, Ruby on Rails, and AWS is frequently highlighted. They are open to exploring new technologies and provide valuable technical insights.

    Selleo Reviews

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    Event Mgmt Platform's Web & Mobile App Dev for Software Co

    • Custom Software Development Mobile App Development UX/UI Design
    • Confidential
    • Nov. 2024 - Mar. 2025
    4.5
    Quality
    4.5
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    4.5

    "Overall, I highly value them as a long-term partner."

    Manager, Articulate Entertainment
    Anonymous
    • Arts, entertainment & music
    • Boston, Massachusetts
    • 1-10 Employees
    • Online Review 
    • Verified

    Selleo has built a live event management platform for a software company. The team has designed and developed a web app and an iOS app to streamline event scheduling and artist and venue management.

    Custom Software Development for Engineering Company

    • Custom Software Development IT Staff Augmentation Web Development
    • Confidential
    • Jan. 2024 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They are responsive to our needs, making necessary adjustments promptly to accommodate changing requirements."

    Senior Machine Learning Engineer, PhysicsX
    Matthew Brennan
    • Engineering
    • City of London, England
    • 51-200 Employees
    • Online Review 
    • Verified

    A software engineering company has hired Selleo to implement a web platform. The team has integrated navigation features, secure authorization protocols for user management, and dynamic tables.

    Platform & AI Features Dev for Real Estate FinTech Company

    • AI Development Custom Software Development UX/UI Design
    • $50,000 to $199,999
    • Feb. 2024 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0
    "Selleo's communication skills, expertise, and excellent language proficiency ensure clear and effective interactions."
    Co-Founder, Real Estate FinTech Company
    M K
    • Real estate
    • United Arab Emirates
    • 1-10 Employees
    • Online Review 
    • Verified

    Selleo has been hired by a real estate fintech company to develop a platform for property-related activities. The team integrates admin-verified listings, oversees agency operations, and implements AI features.

    App Development for Grey Market Detection Platform

    • Application Testing Custom Software Development UX/UI Design
    • Confidential
    • May 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The Selleo team is a pleasure to work with."

    VP Engineering, GreyScout
    Kenneth Kerrigan
    • Software
    • Dublin, Ireland
    • 11-50 Employees
    • Online Review 
    • Verified

    A grey market detection platform has hired Selleo for application design and development. The team is implementing new features and modern designs; key technologies include React.js and TypeScript.  

    Staff Aug, UI/UX Design & Dev Services for Learning Platform

    • Custom Software Development Graphic Design IT Staff Augmentation UX/UI Design
    • Confidential
    • July 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "The team at Selleo cares about delivering good software, and it shows in all aspects of their work."

    Director of Engineering, Qstream
    Douglas Reynolds
    • Software
    • Burlington, Massachusetts
    • 51-200 Employees
    • Online Review 
    • Verified

    Selleo provides staff augmentation services for a learning platform. Selleo's team supports the client with UI/UX accessibility improvements and custom development using React.js and RESTful API.

    Learning Platform Dev for Educational Services Provider

    • Application Testing Custom Software Development UX/UI Design Web Design Web Development
    • Confidential
    • June 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The team is extremely engaged and delivers a full picture of the project status, and this builds extraordinary trust."

    CTO, Educational Services Provider
    Rob Eifler
    • Education
    • Chicago, Illinois
    • 11-50 Employees
    • Online Review 
    • Verified

    Selleo designed and developed a career learning platform for an educational services provider. The team integrated the new platform with the legacy platform.

    Development for Solution Provider Company

    • Web Development
    • $10,000 to $49,999
    • Oct. 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their technical skills and knowledge of new technologies are impressive."

    CEO, Kubed AS
    Genevieve Hart
    • Software
    • Oslo, Norway
    • 1-10 Employees
    • Online Review 
    • Verified

    Selleo updates a software solution provider's web application. The team also created additional features to improve the client's management process. 

    Digital Marketplace for Digital Recruitment Platform

    • Custom Software Development
    • $200,000 to $999,999
    • Apr. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Selleo has vast experience in building scalable, high-quality solutions for businesses in various industries."

    CPO, Humly Edtech
    Kristoffer Persson
    • Education
    • Goeteborg, Sweden
    • 11-50 Employees
    • Online Review 
    • Verified

    Selleo provides ongoing development services for an educational tech company. The team was hired to create a digital marketplace for the client. Their goal is to build a world-class web and mobile experience.

    UI/UX Design & Audit for Digital Ads Distributor

    • UX/UI Design
    • $10,000 to $49,999
    • May 2020 - Ongoing
    4.5
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    4.5

    "I highly recommend them as a trustworthy software development partner."

    CTO, Guidle AG
    Drazen Nikolic
    • Advertising & marketing
    • Baar, Switzerland
    • 11-50 Employees
    • Online Review 
    • Verified

    A digital ads distributor hired Selleo to assist in UI/UX design, auditing, and project implementation.

    App Dev for Community & Social Organization

    • Web Development
    • $50,000 to $199,999
    • Jan. 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They have strong leadership, offer a good value, and they're flexible."

    CEO, Better Off Social
    Chris Mitchell
    • Arts, entertainment & music
    • New York City, New York
    • 1-10 Employees
    • Online Review 
    • Verified

    Selleo developed a web app; they set up the architecture and created the solution, which involved DevOps.

    Locations (2)

    50 - 75

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