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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

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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

    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

    • 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.

    • 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.

    • 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.

    • 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 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.

    Selleo Reviews

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    Services
    Project cost

    Development for a Property Management Platform

    • Custom Software Development
    • $200,000 to $999,999
    • Mar. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "We appreciate how invested Selleo is in our product."

    Dec 4, 2019
    CTO & Co-Founder, Breezeway
    Nate Oaks
    Verified
    • Other industries
    • Boston, Massachusetts
    • 11-50 Employees
    • Phone Interview
    • Verified

    Supplementing resources in-house, the team at Selleo provides development support for a software startup. The team developed and designed a React web platform and native mobile application.

    Development for a Commerce Company

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

    “After three years with the team, we still enjoy working together.”

    Aug 21, 2019
    Founder, BrandActif
    Anonymous
    Verified
    • Other industries
    • United Kingdom
    • 1-10 Employees
    • Phone Interview
    • Verified

    Selleo developed a custom platform for a visual commerce company. Their team created a web app and an API using Ruby on Rails and Javascript.

    Near-Shore Development Services for SaaS Collaboration Tool

    • Web Development
    • $200,000 to $999,999
    • Jan. 2015 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "...they are actively working together with us to make both our processes and software better and better."

    Jul 30, 2019
    Founder, 9TEAMS
    Piet Neirinck
    Verified
    • Other industries
    • Belgium
    • 1-10 Employees
    • Online Review
    • Verified

    Working in tandem with the internal team, Selleo has developed a SaaS platform using EmberJS and Elixir. They've architected the solution, built out features, and designed landing pages/marketing collateral. 

    Development for an eSports Platform

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

    "We value their opinion, and they respond by going the extra mile to optimize our product." 

    Feb 19, 2019
    CPO, Battleriff Gaming AB
    Tom Smith
    Verified
    • Other industries
    • Sweden
    • 1-10 Employees
    • Phone Interview
    • Verified

    Selleo developed an e-sports solution using React and Ruby on Rails. They helped implement the platform’s design and provided GDPR data consulting. They now act as an ongoing development partner.

    Development for a Startup Incubator

    • Custom Software Development
    • $50,000 to $199,999
    • Aug. 2018 - Ongoing
    4.5
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    4.5

    “Selleo holds themselves to a high standard that I’ve rarely seen in agencies.”

    Jan 18, 2019
    Managing Director, WATTx
    Anonymous
    Verified
    • Other industries
    • Berlin, Germany
    • 11-50 Employees
    • Phone Interview
    • Verified

    Selleo developed a backend and data pipeline using Python to manage an array of data sources from a third-party client’s external system. They also built a React app to host a customer dashboard on mobile.

    Development for a Moving Service

    • Custom Software Development
    • $50,000 to $199,999
    • Feb. - July 2017
    4.0
    Quality
    4.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    4.0

    “With Selleo, the entire development process was quite open and lean.”

    Jan 16, 2019
    Chief Digital Officer, Movinga
    Dennis Gneuss
    Verified
    • Other industries
    • Berlin, Germany
    • 201-500 Employees
    • Phone Interview
    • Verified

    Selleo assisted with frontend and backend development for an online moving company’s digital system. They worked with Ruby on Rails and React.js technology to update the backend and make changes to the UI.

    Software Development for Startup Venture Fund

    • Custom Software Development
    • $200,000 to $999,999
    • Apr. 2017 - Ongoing
    4.5
    Quality
    4.0
    Schedule
    4.0
    Cost
    3.0
    Willing to Refer
    5.0

    “The products have minimal bugs, and I’m happy with the quality of their work.”

    Nov 27, 2018
    Product Lead, Venture Fund
    Anonymous
    Verified
    • Financial services
    • Phone Interview
    • Verified

    Selleo augments the existing dev team to work on various software projects. They’re currently building two web-based products, focusing on the frontend. They also provide support for the backend developers.

    Web Development for VPN Service Provider

    • Web Development
    • Confidential
    • Jan. 2017 - July 2018
    5.0
    Quality
    5.0
    Schedule
    n/a
    Cost
    4.0
    Willing to Refer
    5.0

    “Selleo is profoundly talented in the Ruby on Rails area.”

    Oct 31, 2018
    CTO, ZenGuard
    Jörn Stampehl
    Verified
    • Information technology
    • Berlin, Germany
    • 11-50 Employees
    • Phone Interview
    • Verified

    Selleo provided development staff augmentation to help increase a VPN service provider’s pace and meet target deadlines. Based on a code review, they gave input and made updates to enhance the UX of the API.

    Frontend UI Dev for AdTech Firm

    • Web Development
    • $50,000 to $199,999
    • Jan. 2017 - Jan. 2018
    5.0
    Quality
    4.5
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    4.5

    “They outperformed any other contractor we’ve worked with.”

    Oct 10, 2018
    Technical Product Manager, AdTech Firm
    Anonymous
    Verified
    • Advertising & marketing
    • Berlin, Germany
    • 11-50 Employees
    • Phone Interview
    • Verified

    Selleo built the frontend UI in Triangular.js for an AdTech company. Working off of provided wireframes and designs, they augmented the in-house team and resolved architectural, CSS, and algorithmic issues.

    Web Development for Business Consultancy

    • Web Development
    • Confidential
    • May 2016 - Ongoing
    4.5
    Quality
    4.0
    Schedule
    4.5
    Cost
    4.0
    Willing to Refer
    4.5

    “They’re interested in our feedback, proactively finding ways to improve.”

    Sep 14, 2018
    CTO, International Business Consultancy
    Anonymous
    Verified
    • Advertising & marketing
    • Berlin, Germany
    • 51-200 Employees
    • Online Review
    • Verified

    Joining the internal team, Selleo writes and reviews code, and provides suggestions that guide the product’s technical architecture, implementation strategies, and development processes on an ongoing basis.

    Showing 11-20 of 34 Reviews

    Locations (2)

    Powstańców Śląskich 3 Bielsko-BiałaPoland 43-300

    50 - 75

    Contact Selleo

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