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Custom Software Development tailored to your business.

When off-the-shelf software doesn't fit your processes and spreadsheets can no longer keep up with the complexity of your operations.

We build business systems that work the way your company works - not the other way around.

Have a project in mind?

Tell us briefly what you need. We'll get back to you within 1 business day with a concrete next step.

Request a Free Consultation

Sound familiar?

When your business outgrows its current tools.

Spreadsheets running the business

Critical business data lives in Excel files that are shared via email. No version control, no automation, no real-time overview.

Off-the-shelf software doesn't fit

You've tried SaaS tools but they force you to change your processes. The workarounds create more problems than they solve.

Manual processes that don't scale

What worked for 5 people doesn't work for 20. The same tasks take increasingly longer as the company grows.

Systems that don't talk to each other

Data has to be manually entered into multiple systems. Errors creep in, time is wasted, and nobody has the full picture.

What does custom software development mean in practice?

We design and build business applications that solve specific operational problems - with measurable business impact.

Built around your processes

We start by understanding how your company actually works. The software adapts to your workflows, not the other way around.

System integration included

We connect your new system to existing tools - ERP, CRM, accounting, email. One source of truth instead of data silos.

Automation from the start

Every system we build has automation at its core. Repetitive tasks are handled by the software, freeing your team for valuable work.

Scalable architecture

We build systems that grow with your company. Adding new features, users or integrations doesn't require a rewrite.

How can we help?

Whether you need clarity on requirements or you're ready to start, we can help.

Not sure what you need?

Start with EVOLUTIQ™

Recommended if:

  • You know something needs to change but aren't sure what to build
  • Multiple processes and departments are involved
  • You want a business case before committing to development
  • You need help prioritizing which system to build first

The EVOLUTIQ™ program maps your operations and identifies where custom software delivers the highest value.

Learn about EVOLUTIQ™

Know what you need?

Request a quote

Direct engagement if:

  • You have a clear specification or functional requirements
  • You need a web application, internal system or API integration
  • You want to replace a legacy system with a modern solution
  • You need to extend an existing application with new features

Send us your requirements and we'll provide a detailed proposal with timeline and budget estimate.

Request a Free Consultation

What do we build?

Our custom software development projects typically fall into these categories.

01

Internal business applications

Order management, inventory tracking, project management, HR systems - built to match your exact workflows.

02

Web applications and portals

Customer portals, partner dashboards, booking systems - accessible from any browser, on any device.

03

API integrations

Connecting your business tools so data flows automatically between systems.

04

Data management solutions

Custom databases, reporting dashboards and analytics tools that give you real-time business insights.

05

Legacy system replacement

Modern replacements for outdated software - with data migration and zero downtime transition.

06

Workflow automation systems

End-to-end automated workflows that eliminate manual steps and reduce error rates.

How does custom software development work?

Step 01

Requirements analysis

We map your business processes, understand the goals, and define what the software needs to do.

Step 02

Solution design

We create the technical architecture, user flows and interface designs. You see exactly what we'll build before development starts.

Step 03

Iterative development

We build in sprints with regular demos. You see progress every 2 weeks and can adjust direction as needed.

Step 04

Testing and QA

Comprehensive testing including functionality, performance, security and user acceptance testing.

Step 05

Deployment and training

We deploy to production, train your team and ensure a smooth transition from the old way of working.

Step 06

Ongoing support

Post-launch maintenance, monitoring, bug fixes and feature development as your business evolves.

Ügyfeleink mondják.

We couldn't be happier with the custom software development solutions that NEXEN IT delivered. Their team listened to our needs and worked closely with us to develop a solution that met all our requirements. The end result was a high-quality product that has helped us optimize our business processes and increase efficiency.

Judit Bogatin

MD

NEXEN IT's mobile app development team exceeded our expectations in delivering an outstanding product. Their attention to detail and ability to understand our vision has resulted in an app that has helped us better connect with our customers and improve their overall experience.

Árpád Kajon

CEO

Working with you has changed our lives. The artificial intelligence-driven software development solutions have helped automate our processes and streamline workflows. The team's expertise and dedication represent an invaluable asset for our business.

Márk Sólyom

Director

Your IT consulting has greatly contributed to achieving our goals. Your team of experts provided us with valuable insights and recommendations, which helped us improve our operations and stay ahead of the competition. We can highly recommend NEXEN IT.

Zsuzsanna Kocsis

Grant Writer

Thank you very much! I must say that I am very satisfied and happy. :) I'm glad that I chose you for this project and I truly felt that my 'baby' was in safe hands with you.

Klára Gálik

Coach

FAQ.

It depends on complexity, integrations and timeline. A focused business application typically starts from €15,000-25,000. Complex enterprise systems with multiple integrations can be significantly more. We provide a detailed quote after the requirements analysis.

A focused application (single core function) typically takes 2-3 months. Multi-module systems take 4-8 months. We deliver incrementally, so you start seeing results within weeks.

Our core stack is Laravel (PHP), Vue.js, React, Node.js and PostgreSQL. For mobile apps: React Native and Flutter. We choose the technology that best fits your project requirements.

Yes. Integration is a core part of what we do. We connect to ERP systems, CRMs, accounting software, payment gateways and any system that has an API.

We provide ongoing support packages including monitoring, maintenance, bug fixes and new feature development. Most of our clients work with us for years after the initial launch.

Request a consultation.

Describe your project briefly. We'll get back to you within 1 business day.