Good IT solutions begin here

We build software that works — and that people actually like using.

Custom web applications for organisations across Poland, the EU and Australia — designed, built and looked after by one team, from the first idea to a running product. No buzzwords. No disappearing halfway through.

What we can do for you

Web app development, AI and IT services

HOLODEC builds custom web applications and provides AI integration, IT operations and consulting for organisations in Poland, the EU and Australia. Four things we do well.

Web application development

The whole way: workflow, UX, UI, development, testing and a smooth launch. One team, start to finish.

AI integration

AI where it earns its place — automating repetitive work and connecting language models to the tools you already use.

IT operations & support

The everyday IT that keeps you running: business email and collaboration suites, website hosting, accounts and reliable day-to-day support.

IT consulting

We help you map the workflow, choose the right technology and avoid expensive mistakes before they happen.

Not sure which you need? Let's talk it through
You're in good company

Who we build for

We build software for organisations where the work matters — in Poland, the EU and Australia. These are the worlds we know best:

Non-profits & charities

Tools built around tight budgets and real impact.

Education & home-schooling

Platforms for schools, tutors and home-education networks.

Training & certification

Systems for managing courses, learners and results.

Security & compliance

Software where access and accountability count.

Businesses — CRM & ERP

Custom CRM and ERP platforms for companies that have outgrown spreadsheets.

Online payments & billing

Online payment flows, billing and financial settlement built into your platform.

And if your organisation isn't on this list, that's not a problem — good software is good software, whatever sector you're in.

A few things we've built

Case studies

Real projects, real results. More on the way.

Education

Home-education management platform

A growing home-schooling organisation needed one place to run everything: enrolment, students, teachers, class registers, exams and events — across multiple locations.

We built a custom web platform with role-based access for staff, teachers and families, plus integrated registers, exam handling and an events calendar. It replaced a tangle of spreadsheets with a single system the whole organisation now runs on — supporting hundreds of students across several locations.

CRM

Allotment garden management system

Running allotment gardens means juggling plots, members, fees and paperwork — usually by hand.

We built a web application that brings it together: plot records, member management and the day-to-day admin that keeps an association running — in one clear, easy-to-use place. We also implemented online payments, so members can settle their plot fees directly through the platform.

And several more — some live, some still in the workshop.

How we'll work together

How we work — our process

Five stages, the same every time: Discover, Design, Build, Launch and Grow. You always know what's happening and what comes next.

1

Discover

We listen first. We map your goals, your users and your constraints before a single line of code is written.

2

Design

Wireframes, user flows and interface — designed for the people who'll actually use it, not for a portfolio.

3

Build

Clean, maintainable code with regular demos. You see progress as it happens, not three months later.

4

Launch

Tested, deployed and handed over with proper documentation — so nothing depends on one person's memory.

5

Grow

We stay on. Support, updates and new features from a team that already knows your system inside out.

That's how we'd approach your project too. Tell us about it
Why work with HOLODEC

HOLODEC is a Rzeszów-based software company working with clients in Poland, the EU and Australia. We started in 2022 to do things the way we always wished agencies would: honestly, carefully, and close to the client. The people behind it have been building software for over a decade.

You talk to the builders

No account managers in the middle. The people who design and write your software are the people you speak to.

Built to last

We care about clean architecture and good documentation — so your system is still easy to maintain in three years, not a liability.

Focused

We take on work we can do properly. You're a client, not a ticket number.

Under the hood
  • Clean, modern architecture you can grow on
  • Proper documentation, so your system never lives in one person's head
  • An easy-to-maintain codebase
  • Modern, proven tools chosen to fit the job
  • Security and data care built in from the start
Questions you might be asking

Frequently asked questions

Over a decade of building and shipping software, across a wide range of projects. HOLODEC is where we brought that experience together under one roof — so you get senior people on your project from day one.

It depends on scope — a focused tool and a full platform aren't the same job. After a short conversation we'll give you a realistic range, not a number plucked from the air. No surprises later.

Most projects run from a few weeks to a few months, depending on complexity. We give you a timeline up front and keep you posted as we go — no silent stretches.

Often, yes. We'll review what's there, tell you honestly what's worth keeping and what isn't, and carry it on from a solid footing.

That's exactly why we obsess over clean code and documentation. We stay on for the long term — maintaining and growing what we've built, so you're never left stranded.

We've worked with education, non-profit, training and security organisations. If we don't know your world yet, our first job is to learn it — before we propose anything.

No. A lot of our best work has been for exactly that kind of client. We'll be honest with you about what's realistic for your budget.

Yes. We work with clients in Poland, the EU and Australia, and we're set up for smooth remote collaboration across time zones and in both Polish and English.

Have a project in mind?

Tell us what you're working on. We'll get back to you — and we'll be honest about whether we're the right fit.

Marcel Rzemieniuk
CEO
Developer with many years of experience, passionate about automation and simplifying processes — and an entrepreneur.
Contact us
Rzeszów, Poland
Working with clients in Poland, the EU & Australia.

We reply within one working day. No obligation, no sales pressure — just a straight answer.