Custom web application,built to scale from day one.
Not a SaaS tool you'll outgrow. Not a template someone else built. A purpose-built web application designed around how your business actually works.
Most custom web apps break even within 8-14 months, if built with the right scope!
Well-scoped custom software typically exceeds 100% ROI by year two. We help you get there faster!
Streamline your business with an app made for your exact needs.
Book a free audit
Why choose custom development?
Your team stops working around the system, and starts working with it
When the platform fits your business, your team stops maintaining workarounds and starts moving faster.
- No more Excel sheets filling the gaps between tools
- Internal processes automated, not just digitised
- New staff onboard faster with a system built around your workflow
A platform that keeps up, as complexity grows
Off-the-shelf software has limits. Your business doesn't. A custom web app grows with your operations without forcing you to adapt to it.
- Handles increased load, users, and complexity without a rebuild
- New business logic added as features, not hacks
- Integrates with your existing tools, ERP, or partner systems
Software that grows with your operations
Your competitors are using the same SaaS tools you are. A custom platform gives you workflows they simply can't replicate.
- Processes automated that your competitors still do manually
- Customer-facing features tailored to how your buyers actually buy
- Operational efficiency that shows up directly in your margins
Add Intelligence
Bring AI into your product with smart features and automated workflows.
What you get from
working with Zalehy
Zalehy is an agile web app development agency based in Hungary, with 13+ years of experience building custom software solutions for startups and scale-ups across Europe.
Only Medior and Senior developers
Only our experienced developers are involved in the project, so you get a better quality end result faster, without unnecessary rounds and errors.
You're in every sprint review
Full visibility into what was built, what it cost, and what's next.
Scope adapts as you learn
Priorities change. The backlog changes with them.
Business thinking behind development
We don't just write code, we understand the market objectives and align features, timing and priorities to them.
Only Medior and Senior developers
Only our experienced developers are involved in the project, so you get a better quality end result faster, without unnecessary rounds and errors.
You're in every sprint review
Full visibility into what was built, what it cost, and what's next.
Scope adapts as you learn
Priorities change. The backlog changes with them.
Business thinking behind development
We don't just write code, we understand the market objectives and align features, timing and priorities to them.
Only Medior and Senior developers
Only our experienced developers are involved in the project, so you get a better quality end result faster, without unnecessary rounds and errors.
You're in every sprint review
Full visibility into what was built, what it cost, and what's next.
Scope adapts as you learn
Priorities change. The backlog changes with them.
Business thinking behind development
We don't just write code, we understand the market objectives and align features, timing and priorities to them.
We Work in Agile Sprints
We build your MVP app in focused two-week sprints, so you always know where things stand, what was built, and what comes next.
You see working software every two weeks - not just at the end
You're in every sprint review - You see exactly what was built, what it cost, and what comes next. Always.
Scope evolves as the product takes shape - If priorities shift mid-project, the backlog shifts with them. Agile means it.
Frequently Asked Questions
The proof is
in the product
Here's what happens when you work with a team that treats your success as their own.
Sleek site designand exceptional UX.
With its sleek design, intuitive UX, and advanced admin system, Zalehy significantly boosted Koala-Autorent’s conversions and operational efficiency.
Márton Szugyeczky
GM : Koala-Autorent
Zalehy deeply understands business needs to deliver fantastic solutions.
Unlike other development companies we’ve worked with, Zalehy took the time to truly understand our business and customers, ensuring solutions that effectively address our challenges.
Richard Varga
CEO : Hungarogumi
Zalehy has been our valued collaborator on over 11 distinct projects.
Over the past five years, Zalehy has consistently delivered excellent results across eleven projects, demonstrating strong commitment and reliability.
József Kiss
Former Head of Marketing : Hungarian Canoe Federation
Fast updates that exceeded expectations.
Our airport management system required multiple compliance updates. Zalehy responded quickly and consistently, delivering results that went beyond expectations.
Tamás Jakab
GM: Airport Budaörs
Quickly mastered our domain, exceptional partner.
Zalehy rapidly absorbed complex domain knowledge and gained a clear understanding of our car listing platform.
Norbert Járja
Head of Development : kocsi.hu
Strong skills, great teamwork, fast communication.
We value partners who combine expertise with strong collaboration. Zalehy brings together technical skill, effective teamwork, and clear, responsive communication.
Zoltán Beke
Creative Director: Melkweg Digital
Sleek site designand exceptional UX.
With its sleek design, intuitive UX, and advanced admin system, Zalehy significantly boosted Koala-Autorent’s conversions and operational efficiency.
Márton Szugyeczky
GM : Koala-Autorent
Zalehy deeply understands business needs to deliver fantastic solutions.
Unlike other development companies we’ve worked with, Zalehy took the time to truly understand our business and customers, ensuring solutions that effectively address our challenges.
Richard Varga
CEO : Hungarogumi
Zalehy has been our valued collaborator on over 11 distinct projects.
Over the past five years, Zalehy has consistently delivered excellent results across eleven projects, demonstrating strong commitment and reliability.
József Kiss
Former Head of Marketing : Hungarian Canoe Federation
Fast updates that exceeded expectations.
Our airport management system required multiple compliance updates. Zalehy responded quickly and consistently, delivering results that went beyond expectations.
Tamás Jakab
GM: Airport Budaörs
Quickly mastered our domain, exceptional partner.
Zalehy rapidly absorbed complex domain knowledge and gained a clear understanding of our car listing platform.
Norbert Járja
Head of Development : kocsi.hu
Strong skills, great teamwork, fast communication.
We value partners who combine expertise with strong collaboration. Zalehy brings together technical skill, effective teamwork, and clear, responsive communication.
Zoltán Beke
Creative Director: Melkweg Digital
Sleek site designand exceptional UX.
With its sleek design, intuitive UX, and advanced admin system, Zalehy significantly boosted Koala-Autorent’s conversions and operational efficiency.
Márton Szugyeczky
GM : Koala-Autorent
Zalehy deeply understands business needs to deliver fantastic solutions.
Unlike other development companies we’ve worked with, Zalehy took the time to truly understand our business and customers, ensuring solutions that effectively address our challenges.
Richard Varga
CEO : Hungarogumi
Zalehy has been our valued collaborator on over 11 distinct projects.
Over the past five years, Zalehy has consistently delivered excellent results across eleven projects, demonstrating strong commitment and reliability.
József Kiss
Former Head of Marketing : Hungarian Canoe Federation
Fast updates that exceeded expectations.
Our airport management system required multiple compliance updates. Zalehy responded quickly and consistently, delivering results that went beyond expectations.
Tamás Jakab
GM: Airport Budaörs
Quickly mastered our domain, exceptional partner.
Zalehy rapidly absorbed complex domain knowledge and gained a clear understanding of our car listing platform.
Norbert Járja
Head of Development : kocsi.hu
Strong skills, great teamwork, fast communication.
We value partners who combine expertise with strong collaboration. Zalehy brings together technical skill, effective teamwork, and clear, responsive communication.
Zoltán Beke
Creative Director: Melkweg Digital
Sleek site designand exceptional UX.
With its sleek design, intuitive UX, and advanced admin system, Zalehy significantly boosted Koala-Autorent’s conversions and operational efficiency.
Márton Szugyeczky
GM : Koala-Autorent
Zalehy deeply understands business needs to deliver fantastic solutions.
Unlike other development companies we’ve worked with, Zalehy took the time to truly understand our business and customers, ensuring solutions that effectively address our challenges.
Richard Varga
CEO : Hungarogumi
Zalehy has been our valued collaborator on over 11 distinct projects.
Over the past five years, Zalehy has consistently delivered excellent results across eleven projects, demonstrating strong commitment and reliability.
József Kiss
Former Head of Marketing : Hungarian Canoe Federation
Fast updates that exceeded expectations.
Our airport management system required multiple compliance updates. Zalehy responded quickly and consistently, delivering results that went beyond expectations.
Tamás Jakab
GM: Airport Budaörs
Quickly mastered our domain, exceptional partner.
Zalehy rapidly absorbed complex domain knowledge and gained a clear understanding of our car listing platform.
Norbert Járja
Head of Development : kocsi.hu
Strong skills, great teamwork, fast communication.
We value partners who combine expertise with strong collaboration. Zalehy brings together technical skill, effective teamwork, and clear, responsive communication.
Zoltán Beke
Creative Director: Melkweg Digital
Sleek site designand exceptional UX.
With its sleek design, intuitive UX, and advanced admin system, Zalehy significantly boosted Koala-Autorent’s conversions and operational efficiency.
Márton Szugyeczky
GM : Koala-Autorent
Zalehy deeply understands business needs to deliver fantastic solutions.
Unlike other development companies we’ve worked with, Zalehy took the time to truly understand our business and customers, ensuring solutions that effectively address our challenges.
Richard Varga
CEO : Hungarogumi
Zalehy has been our valued collaborator on over 11 distinct projects.
Over the past five years, Zalehy has consistently delivered excellent results across eleven projects, demonstrating strong commitment and reliability.
József Kiss
Former Head of Marketing : Hungarian Canoe Federation
Fast updates that exceeded expectations.
Our airport management system required multiple compliance updates. Zalehy responded quickly and consistently, delivering results that went beyond expectations.
Tamás Jakab
GM: Airport Budaörs
Quickly mastered our domain, exceptional partner.
Zalehy rapidly absorbed complex domain knowledge and gained a clear understanding of our car listing platform.
Norbert Járja
Head of Development : kocsi.hu
Strong skills, great teamwork, fast communication.
We value partners who combine expertise with strong collaboration. Zalehy brings together technical skill, effective teamwork, and clear, responsive communication.
Zoltán Beke
Creative Director: Melkweg Digital
Sleek site designand exceptional UX.
With its sleek design, intuitive UX, and advanced admin system, Zalehy significantly boosted Koala-Autorent’s conversions and operational efficiency.
Márton Szugyeczky
GM : Koala-Autorent
Zalehy deeply understands business needs to deliver fantastic solutions.
Unlike other development companies we’ve worked with, Zalehy took the time to truly understand our business and customers, ensuring solutions that effectively address our challenges.
Richard Varga
CEO : Hungarogumi
Zalehy has been our valued collaborator on over 11 distinct projects.
Over the past five years, Zalehy has consistently delivered excellent results across eleven projects, demonstrating strong commitment and reliability.
József Kiss
Former Head of Marketing : Hungarian Canoe Federation
Fast updates that exceeded expectations.
Our airport management system required multiple compliance updates. Zalehy responded quickly and consistently, delivering results that went beyond expectations.
Tamás Jakab
GM: Airport Budaörs
Quickly mastered our domain, exceptional partner.
Zalehy rapidly absorbed complex domain knowledge and gained a clear understanding of our car listing platform.
Norbert Járja
Head of Development : kocsi.hu
Strong skills, great teamwork, fast communication.
We value partners who combine expertise with strong collaboration. Zalehy brings together technical skill, effective teamwork, and clear, responsive communication.
Zoltán Beke
Creative Director: Melkweg Digital
