Custom Software & IT Outsourcing

ESSYO is a custom software development, web, and mobile app development company with engineering hubs in Katowice and Białystok. Since 2007, we have been specializing in building, implementing, integrating, and maintaining IT systems of varying complexity. Our team leverages the latest technologies to deliver scalable, secure, and user-friendly solutions tailored to the unique needs of businesses and institutions.We help companies optimize processes, scale efficiently, and gain a competitive advantage through cutting-edge software solutions. Over the last decade, we have successfully completed 100+ projects across diverse industries, always ensuring timely delivery and cost-effectiveness. We work with startups, SMEs, and enterprises in fintech, banking, finance, payments, healthcare, e-commerce, and other sectors, delivering software that drives measurable business value.

Why Choose ESSYO? 

✅ Custom Software Development & IT Outsourcing – Scalable, secure & tailored solutions

 Web & Mobile Applications – High-performance apps for iOS, Android & web

 AI, Data & Automation – AI consulting, analytics, chatbots & business automation

✅ B2B, B2C & E-commerce Platforms – Scalable marketplaces & sales solutions

✅ Cloud & DevOps Services – AWS, Azure, Google Cloud & automation

✅ MVP, CRM & ERP Solutions – Fast prototyping & enterprise software

✅ Security, Payments & Penetration Testing – Data protection & transaction security

✅ UI/UX Design & Audits – Optimized user experience & conversion rates

✅ Custom Integrations & Plugins – Extending software capabilities

✅ Software Training & Support – Smooth adoption & long-term success

At ESSYO, we don’t just build software—we create long-term partnerships that help businesses innovate, scale, and thrive in a rapidly evolving digital world. Our client-centric approach delivers real solutions that drive efficiency and growth.

🚀 Looking for a reliable technology partner? Let’s talk!

Poland Poland
Jagielly 9G, Ruda Slaska, Slaskie 41707
+48 514 012 012
$25 - $49/hr
50 - 249
2007

Service Focus

Focus of Software Development
  • Java - 10%
  • PHP - 10%
  • Javascript - 10%
  • AngularJS - 10%
  • C# - 10%
  • Python - 10%
  • Node.js - 10%
  • .NET - 10%
  • C++ - 10%
  • C - 10%
Focus of Mobile App Development
  • iOS - iPhone - 25%
  • Android - 25%
  • iOS - iPad - 25%
  • Web Apps - 25%
Focus of Web Development
  • Wordpress - 20%
  • ASP.NET - 20%
  • HTML5 - 20%
  • Bootstrap - 20%
  • CSS3 - 20%
Focus of E-commerce Development
  • Bigcommerce - 50%
  • Custom E-commerce - 50%
Focus of IT Services
  • Cyber Security - 15%
  • IT & Networking - 15%
  • Database Administration - 10%
  • Outsourcing - 15%
  • IT Consulting - 15%
  • MySQL - 15%
  • PostgreSQL - 15%
Focus of Business Services
  • Content Management - 25%
  • Financial Planning - 25%
  • Management Consulting - 25%
  • Training & Development - 25%
Focus of Implementation Services
  • CRM Consulting - 34%
  • ERP Consulting - 33%
  • ECM Consulting - 33%
Focus of Web Designing (UI/UX)
  • Website - 20%
  • Landing Page - 20%
  • Ecommerce - 20%
  • User Experience - 20%
  • Digital Design - 20%
Focus of Testing Services
  • Performance Testing - 10%
  • Application Security Testing - 10%
  • Unit Testing - 10%
  • Integration Testing - 10%
  • System Testing - 10%
  • Interface Testing - 10%
  • Compatibility Testing - 10%
  • Installation Testing - 10%
  • UI Testing - 10%
  • API Testing - 10%
Focus of Artificial Intelligence
  • Retrieval Augmented Generation - 25%
  • AI Consulting - 25%
  • AI Integration & Implementation - 25%
  • LLM Development - 25%
Focus of DevOps
  • Git - 25%
  • Docker - 25%
  • Kubernetes - 25%
  • AWS DevOps - 25%

Industry Focus

  • Public Sector - 20%
  • Automotive - 10%
  • Business Services - 10%
  • Financial & Payments - 10%
  • Government - 10%
  • Other Industries - 10%
  • E-commerce - 10%
  • Startups - 10%
  • Banking - 10%

Client Focus

50% Medium Business
40% Small Business
10% Large Business

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