Selleo | Top UI/UX Design Company

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.

Founded 2005

Company Size: 51-200

Avg. Hourly Rate: $25/hr - $49/hr

Min. Project Size: $10,000

Specialties

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

1 Year:

4.7%

1-2 Years:

22.4%

3-5 Years:

40.0%

6-10 Years:

24.7%

10 Years+:

8.2%

Median Employee Tenure:

3.8 years

Employee Growth in last 1 year:

-5%

Company Offerings

Services

Custom Software Development

UI/UX Design

Software as a Service (SaaS)

DevOps

Software Quality Assurance and Testing

Mobile Application Development

See 10 more

Industries Served

Education

Financial Services

Healthcare

Human Resources Services

Real Estate

E-commerce & Retail

See 3 more

Technical Expertise

Tech Stacks

Rest

Ruby

Ember.js

React.js

Ruby on Rails

React

See 4 more

Tools

Git

Skills & Expertise

Web Development

Representational State Transfer (REST)

Highlights

Top Tech Stacks

React.js

Ruby on Rails

Ruby

Ember.js

Rest

Projects

AI Business Plan

Business Services

ClientExegov

Platforms

WebBrowser

Tech Used

React NativeRuby on Rails

Key Features

AI-Powered Business Plan Generation
Guided Questionnaire
OpenAI Integration

Outcome

Enabled companies to streamline business planning processes, enhancing efficiency and accuracy.

Defined Learning

Education

ClientDefined Careers

Platforms

WebBrowser

Tech Used

React NativeRuby on Rails

Key Features

Real-World Challenge Integration
Career Path Guidance
Interactive Learning Modules

Outcome

Improved student engagement and preparedness for future careers through practical learning experiences.

Awards and Certifications

Diamenty Miesięcznika Forbes

Certified By : Forbes

AWS Certified Solutions Architect Associate

Certified By : Amazon Web Services (AWS)

ISO 22301

Certified By : International Organization for Standardization (ISO)

PN-ISO/IEC 27001

Certified By : International Organization for Standardization (ISO)

Location

Primary Development Center & Headquarter

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Primary Development Center & Headquarter

Bielsko-Biała, Poland

75+ employees

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 July 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.