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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

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 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

    Select a service to see pricing information

    Highly Rated Similar Providers

    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

    • 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.

    • 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.

    • 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.

    • Effective in Handling Complex Projects

      Selleo has successfully managed and delivered complex projects, such as HIPAA-compliant healthcare applications, demonstrating their capability to handle intricate requirements and regulatory standards.

    • 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.

    • 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.

    Selleo Reviews

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    Project cost

    Software and Web Development for Employment Platform

    • Custom Software Development
    • $200,000 to $999,999
    • Dec. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    “We’re really happy to give them free rein to follow their instincts when solving things.”

    Jan 15, 2018
    CTO, Studentvikarie
    Henrik Lindberg
    Verified
    • Education
    • Goeteborg, Sweden
    • 51-200 Employees
    • Phone Interview
    • Verified

    Selleo worked on the development of a web application, building the platform’s second version from scratch. The work used Ruby on Rails and React for the frontend, as well as HTML, CSS, and JavaScript.

    Mobile App Development for Greeting Card Company

    • Mobile App Development
    • $10,000 to $49,999
    • May 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “They have a great deal of empathy for what we’re trying to accomplish and for a startup, that’s important.”

    Dec 7, 2017
    CEO, Documobi
    Peter Lancaster
    Verified
    • Other industries
    • Harrogate, England
    • 1-10 Employees
    • Phone Interview
    • Verified

    Selleo developed an iOS and Android mobile app using Apache Cordova. They used an existing backend infrastructure using Ruby on Rails, and offered additional security for the app's use in financial services.

    Web App for Health Services Company

    • Web Development
    • Confidential
    • Dec. 2015 - June 2017
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “I’ve been quite impressed with Selleo’s work — they built a beautiful product with outstanding code.”

    Jun 30, 2017
    Senior Software Engineer, Hospital & Healthcare Company
    Anonymous
    Verified
    • Other industries
    • New Jersey, United States
    • 201-500 Employees
    • Phone Interview
    • Verified

    Selleo is developing a communication app that allows doctors to collaborate on cardiovascular cases while following HIPAA standards. The team continues to test and optimize the app, except for the iOS version.

    Rails Development for Payment Solutions Company

    • Web Development
    • $10,000 to $49,999
    • Dec. 2016 - Ongoing
    5.0
    Quality
    4.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was very impressed with the quality of the frontend work they did, their professionalism, and their organization."

    Jun 30, 2017
    CTO, Payment Card Solutions
    Rob Anderson
    Verified
    • Financial services
    • London, England
    • 1-10 Employees
    • Phone Interview
    • Verified

    Selleo helped maintain a large code base, and helped build new systems on Ruby on Rails. They incorporated HTML, improved security and reliability, and also contributed some frontend and graphic design work.

    e-Commerce Development for Online Apparel Company

    • E-Commerce Development
    • $200,000 to $999,999
    • Sep. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "Selleo has certainly contributed to our recognition as a market leader."

    Jun 29, 2017
    COO, SquadLocker
    Keith Roberts
    Verified
    • Retail
    • Warwick, Rhode Island
    • 11-50 Employees
    • Phone Interview
    • Verified

    Selleo provides full-stack development for a sports gear e-commerce platform, customizing store-building, promotional, and purchasing functionalities to ensure an efficient UX/UI in an expanding partnership.

    Web Development for Real Estate Company

    • Web Development
    • $50,000 to $199,999
    • Aug. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "They’ve been very receptive to using our tools and offer valuable opinions."

    Jun 27, 2017
    CTO, Private Equity Real Estate Firm
    Mike Miklavic
    Verified
    • Real estate
    • Boston, Massachusetts
    • 11-50 Employees
    • Phone Interview
    • Verified

    Selleo conducts full-stack Ruby on Rails development across multiple web applications, streamlining real estate data and creating internal/public-facing platforms to support investment strategies. 

    Development for SaaS Learning Platform

    • Web Development
    • $50,000 to $199,999
    • Jan. - Dec. 2016
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They delivered to the highest level of quality."

    Jun 7, 2017
    Founder, SaaS Learning Platform
    Anonymous
    Verified
    • Other industries
    • New York City, New York
    • 11-50 Employees
    • Phone Interview
    • Verified

    Selleo developed web app features on multiple platforms to support content management and e-learning design, providing 3–5 engineering resources to augment the internal team.

    Custom Development for e-Learning Company

    • Custom Software Development
    • Confidential
    4.5
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    "What sets Selleo apart is the enthusiasm and care taken on the project beyond scope."

    Jun 4, 2017
    CEO, Neutopia
    Jamie Engel
    Verified
    • Education
    • Sydney, Australia
    • 1-10 Employees
    • Online Review
    • Verified

    Selleo provided frontend and backend development, as well as design and technical support, for an engaging e-learning software project. Additional features include playlists and Pinterest-esque posting.

    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.

    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.

    Showing 21-30 of 34 Reviews

    Locations (2)

    Powstańców Śląskich 3 Bielsko-BiałaPoland 43-300

    50 - 75

    Contact Selleo

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