Sellio
Our own cloud system for powerful B2C and B2B sales.
About us
We are leaders in ecommerce and custom software development.
We help companies grow through cutting-edge technologies. We are experts in complex e-shops, B2B portals and automation that save time and increase turnover.
Custom development
Robust web and mobile applications with an API-first approach.
Design & UX
Solutions that are not only beautiful, but above all functional.
Support & Cloud
Long-term stability and secure infrastructure for your business.
150
active clients
17
specialists
15 years
on the market
1250 +
completed projects
Our clients
History
Fast forward to the year:
- big admin facelift
- using agent AI development
- creation of an MCP server for sellio
- in addition to development, we offer mentoring for AI and operation of the vibecoding application
- creation of a warehouse module in Sellio
- enlarging the team
- modification of cloud infrastructure - Sentry, Open Search
- opening Sellio to nocode
- creation of a CRM module in Sellio
- creation of AI agents
- customized ERP systems are already running on the new codebase
- introduction of CI/CD via GitLab + ClickUp
- monitoring via Elasticsearch, Logstash, Kibana
- launching a new website
- first projects on Sellio 2
- opening of a branch in Košice
- moving to new premises
- Prestashop (Symfony) in the technology stack
- Sellio has an API
- Vue.js, TYPO3, Node.js, Python in the stack
- expanding cooperation with agencies
- a new way of project management
- switching to Figma
- new version of the website
- expansion of offices and team
- Symfony in the technology stack
- more demanding e-shops and portals on Sellio
- empowering custom web application development
- Launch festival, San Francisco
- team and management expansion
- new own products
- termination of sales of WordPress templates on ThemeForest
- moving offices
- Barcamp Bratislava
- Web Summit, Dublin
- team expansion
- website redesign
- new division – content & marketing
- intensive development of Sellio
- transition to Asana
- sale on ThemeForest
- larger offices
- extension of scope
- work on the sellio.net eshop system
- creation of the Vibration logo
- foundation of Vibration s.r.o.
- starting a blog
- moving to the center of Bratislava
- finishing the team
- founder Ivan Potančok as a freelancer (ivusko.sk)
Comparison of cooperation models
| Property | Freelancer | Inhouse | A regular company | Vibration |
|---|---|---|---|---|
| Cost | ✅ | ❌ | ❌ | ✅ |
| Fast reaction time | ❌ | ✅ | ❌ | ✅ |
| Assigned project manager | ❌ | ❌ | ✅ | ✅ |
| Low risk of termination of cooperation | ❌ | ✅ | ❌ | ✅ |
| Comprehensive knowledge of ecommerce | ❌ | ❌ | ❌ | ✅ |
| Covering UX and web design | ❌ | ❌ | ❌ | ✅ |
| Rapidly changing technologies | ❌ | ❌ | ❌ | ✅ |
| Effective project management | ❌ | ❌ | ✅ | ✅ |
| Clear reporting in seconds | ❌ | ❌ | ❌ | ✅ |
| Easy change of supplier | ✅ | ❌ | ❌ | ✅ |
| Regular consultations and innovations | ❌ | ❌ | ❌ | ✅ |