Web application development
Secure web applications and administration interfaces built for complex business processes.
Custom website development,built around your needs,using modern technologies.
You can rely on us from the first planning session through to launch.
What do we provide at DevenIT?
We believe a strong digital product should not only look good, but remain fast, stable and secure over the long term. Our development work is therefore built on modern technologies that provide a reliable foundation for future extensions. User experience matters just as much: a clear, carefully designed interface helps visitors understand the system within seconds and enjoy using it. The best results come from treating development as a collaboration rather than a one-off order. We stay in close contact throughout the project and support our clients from both a business and technical perspective, ensuring the final product genuinely serves the way their organisation operates.
How we can help
Services
From the visual concept to a working system.
Brand identity design
A consistent visual identity that makes your business recognisable at first glance.
Progressive Web App (PWA) development
Fast, installable web applications that deliver an app-like experience on mobile devices.
Website development
Fast, responsive websites designed around business goals rather than template limitations.
E-commerce development
Clear purchasing journeys, payment and invoicing integrations, and an extendable backend.
Web design
More than attractive screens: logical structure, readable content and clear user journeys.
Support
We remain available after launch for maintenance, updates and further development.
Custom development
Why invest in a custom website?
One of the main advantages of custom development is complete flexibility. There are no template-based restrictions on appearance or functionality, so every element can be adapted to the needs of the business. The result is a fast, modern and search-friendly website that not only looks professional but actively supports business goals. Its scalable structure makes it easy to add new features later, allowing the system to grow alongside the organisation. Existing ERP, CRM, invoicing and other external services can also be integrated so data and processes work together consistently and automatically.
Distinctive design
Tailored features
No template limitations
Flexible integrations
Optimised operation
Built for long-term support
How we work together
The custom website development process
Discovery
Every project begins with a conversation. We discuss the problem to be solved, the goals to be achieved and define the exact scope of the project together.
Planning
We prepare the first interface concept so the future operation and appearance are visible before development begins. At this stage, ideas can still be refined quickly and cost-effectively.
Technical architecture
We also design how the system will operate behind the interface. The technology stack is selected to remain stable, fast and easy to extend over the long term.
Development
The website or web application is built from the approved plans. Progress remains visible throughout the project, with completed work presented at every major milestone.
Testing
Every feature is thoroughly checked across different devices and browsers, ensuring stable and reliable operation at launch.
Launch
We deploy the completed system to the hosting environment, configure the required settings and verify its operation in production.
Ongoing support
The collaboration does not end at handover. New features, changes and maintenance can be delivered safely as the system continues to evolve.
Questions and answers
Custom Web Development FAQ
Clear answers to the most frequently asked questions.
A focused, smaller website can usually be completed within 2–4 weeks. More complex projects involving custom features, administration interfaces or external system integrations generally require 4–8 weeks. The exact schedule is defined after specification and divided into clear milestones.
A 30% deposit is typically due when the project begins. The remaining amount is linked to predefined development milestones and final handover, keeping each payment clearly connected to delivered work.
Yes. Defects affecting the agreed features are corrected without an additional fee during the warranty period defined in the contract. New requirements, content changes and features requested later are treated as separate development work.
Yes. Once the project is complete and the full fee has been paid, we hand over the source code, database and project documentation. You are not locked into a closed service that prevents future development.
Yes, provided the service offers an API or another supported integration method. Invoicing systems, payment gateways, calendars, CRMs, databases and existing internal systems can all be connected to the new website.
Yes. Multi-language support can be included from the planning stage. The exact translations and language versions are defined as part of the project scope.
Technical SEO foundations are addressed during development, including a logical heading structure, appropriate metadata, responsive layouts, fast loading and search-engine-readable HTML. Detailed keyword research and ongoing content SEO can be planned as separate services.
Let's get started
Contact details
Whether you have a clear concept or simply know your current website is no longer enough, tell us briefly what you need. You do not need to arrive with a technical specification.
+36 30 212 1654tamas@devenit.hu