About us

A software house that thinks like a business partner

For years we have been building systems, online stores and AI tools for companies in Poland and the United Kingdom. We are not the biggest - and that is our advantage: you talk to the people who actually build your system.

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Illustration of the eConnect4U team
10 engineers in the team
2 markets: Poland + the UK
5 own products: ecChat, ecSearch, E20, WMS, FlatCake
since 2015 as eConnect4U Sp. z o.o.

How we work

Values backed by practice, not a poster in the office

01

We advise, we don't sell

Before we propose anything, we get to know your process and your numbers. If you don't need something, we will tell you straight.

02

We measure results

We define the metrics before implementation and report on them afterwards. Our case studies have numbers because that is how we hold ourselves to account.

03

We use AI ourselves

We automate our own company with the tools we sell. We test them on ourselves before we propose them to clients.

04

We stay after launch

Most of our clients have worked with us for years. A system without care is a system that dies.

05

We grow together with you

Our solutions have one goal: the growth of your business. When you grow, the scale of our collaboration grows too - which is why we play for the same team.

Team

Team competency matrix

10 engineers, zero subcontractors. You can see exactly which technologies the team building your project has on board.

SE Sebastian 21 yrs
ST Stefan 21 yrs
GR Grzegorz 21 yrs
DA Dawid 17 yrs
SZ Szymon K. 16 yrs
RA Rafał 14 yrs
JG Jakub G. 14 yrs
KB Kamil B. 7 yrs
JA Jarek 5 yrs
JK Jakub K. 5 yrs
Front-end
HTML / CSS / SASS
JavaScript
Tailwind CSS
Vue.js
UX / UI design
Back-end
PHP
Symfony
CakePHP
Laravel
Python
node.js
Mobile
NativeScript
Framework7 / CapacitorJS
Databases
MySQL / MariaDB
PostgreSQL
MongoDB
E-commerce
Magento B2B
PrestaShop
WordPress
Servers and cloud
Linux
AWS
OVH
Integrations
Payment gateways (PayPal, Stripe, PayU)
ElasticSearch
Google / Facebook APIs
Mailchimp
AI
LLM integrations (Claude, OpenAI)
RAG and vector databases
AI assistants and chatbots (ecChat)
AI automation in business processes
AI tools in development (Claude Code)

As of 2026 · production-level competency

Trusted by MPUK Ciepło24 San Medical Dobra Karma PGS Esports The Staff Canteen KTW.Legal ASP

We also partner with agencies - delivering projects white-label under the partner's brand.

Let's talk

Let's get to know each other

The first conversation costs nothing and commits you to nothing. Tell us about your business - we will propose the rest.

Sebastian Haja · CEO +48 889 112 197 [email protected] We reply within 1 business day.