Selleo logo

Selleo

Bielsko-Biała, Poland (UTC+2)
Clutch logo
4.7
rating-star
(35)
Glassdoor logo
5.0
rating-star
(1)
Bielsko-Biała, Poland (UTC+2)
Clutch logo
4.7
rating-star
(35)
Glassdoor logo
5.0
rating-star
(1)

Overview

Selleo, a Poland-based firm with over 19 years of experience, specializes in mobile application development, SaaS solutions, and UI/UX design. The company focuses on crafting scalable applications with user-centric interfaces, blending functionality with intuitive design. Its expertise extends to supporting businesses in optimizing digital workflows and enhancing customer engagement.

Quick Facts

Year Founded
Year Founded
2005
Company Size
Company Size
51 - 200
Avg. Hourly Rate
Avg. Hourly Rate
$25/hr - $49/hr
Min. Project Size
Min. Project Size
$10,000

Specialties

info-circle
  • Ruby on Rails
  • LMS
  • MedTech
  • EdTech
  • HRTech
  • Near-Shore
  • React
  • React Native
  • Agile Development
  • Web Services Technologies
  • On-Site/Offshore
  • React.JS
  • Software Development Outsourcing
  • Custom Web & Mobile Software
  • Ember.JS
  • B2C & B2B
  • Ruby on Rails
  • LMS
  • MedTech
  • EdTech
  • HRTech
  • Near-Shore
  • React
  • React Native
  • Agile Development
  • Web Services Technologies
  • On-Site/Offshore
  • React.JS
  • Software Development Outsourcing
  • Custom Web & Mobile Software
  • Ember.JS
  • B2C & B2B

Team Experience

info-circle
  • < 1 Year
    5%
  • 1-2 Years
    22%
  • 3-5 Years
    40%
  • 6-10 Years
    25%
  • 10+ Years
    8%
< 1 Year
5%
Median Employee Tenure: 
3.8 years
Employee Growth in last 1 year: 
-5%
head-count-down

Offerings

Services
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  • Mobile Application DevelopmentFeatured service icon
  • Software as a Service (SaaS) DevelopmentFeatured service icon
  • UI/UX DesignFeatured service icon
  • AI and Machine Learning
  • Android Application Development
  • AR Game Development
  • AR, VR, and XR Development
  • Chatbot Development
  • Custom Software Development
  • DevOps
  • Game Development
  • iOS Application Development
  • Low-code/No-code Development
  • Progressive Web App (PWA) Development
  • Software Product Development
  • Software QA and Testing
  • Web Application Development

Industries Served

  • Banking
  • E-commerce & Retail
  • Education
  • Financial Services
  • Healthcare
  • Human Resources Services
  • IT Services and IT Consulting
  • Real Estate
  • Telecommunications

Expertise

Tech Stacks
info-circle

  • React.jsFeatured technology icon
  • Ruby on RailsFeatured technology icon
  • RubyFeatured technology icon
  • Ember.js
  • Rest
  • NestJS
  • Next.js
  • Node.js
  • React Native

Tools

  • Git

Skills & Expertise

  • bullet-point icon
    Representational State Transfer (REST)
  • bullet-point icon
    Web Development

Highlights

Notable Clients

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  • Frontline Ventures logoFrontline Ventures
  • General Catalyst logoGeneral Catalyst
  • Global Founders Capital logoGlobal Founders Capital
  • Index Ventures logoIndex Ventures
  • Techstars logoTechstars
  • Viking Growth logoViking Growth

Awards and Certifications

info-circle icon
Forbes logo

Diamenty Miesięcznika Forbes

Certified By: Forbes
Amazon Web Services (AWS) logo

AWS Certified Solutions Architect Associate

Certified By: Amazon Web Services (AWS)
International Organization for Standardization (ISO) logo

ISO 22301

Certified By: International Organization for Standardization (ISO)
International Organization for Standardization (ISO) logo

PN-ISO/IEC 27001

Certified By: International Organization for Standardization (ISO)

Location(s)

Primary Development Center & Headquarter

Primary Development Center & Headquarter

info icon

Bielsko-Biała, Poland

25+ employees

Important Facts About Poland (PDC):

literacy rate iconLiteracy Rate
:
99.8%
english proficiency iconEnglish Proficiency
:
High
gdp per capita iconGDP Per Capita
:
$25,040
income category iconIncome Category
:
High
info

Company Profile Disclaimer

The company profile information provided in this website is entirely based on research and data obtained from publicly available sources on the internet as of November 2025. While every effort has been made to ensure the accuracy and reliability of the information, we cannot guarantee its comprehensiveness. All the company information is for informational purposes only. We strongly advise conducting further due diligence before making any business decisions.