Development that moves
your business
forward.

From online stores to information systems to mobile applications. We build digital products that are fast, secure, and scalable. We select technologies based on your needs, not on fashion trends.

PrestaShop Expert
Shopify Partner
150+ completed projects

Comprehensive development
tailor-made solutions

We specialize in e-commerce, but we can also handle complex information systems, B2B portals, and mobile applications. We approach each project individually with an emphasis on performance, security, and scalability.

E-commerce solutions

Our main core business. We develop online stores that really sell. PrestaShop Expert certification and Shopify Partner status are a guarantee of quality and expertise.

  • PrestaShop (our largest segment of costumers)
  • Shopify a Shopify Plus
  • WooCommerce & WordPress
  • Custom CMS solution
  • Sylius e-commerce
  • Upgates a Shoptet
  • Development of modules and templates
  • Migration between platforms
  • Integrations (payments, shipping, ERP)
  • Service and support

Custom websites

We develop websites that are fast, responsive, and optimized for search engines. Custom CMS or WordPress – depending on your needs.

  • Presentation websites
  • Corporate websites and portfolios
  • Landing pages for campaigns
  • WordPress development
  • Custom CMS systems
  • Multilingual websites
  • SEO optimization
  • Responsive design

Information systems and B2B portals

Comprehensive, tailor-made business applications. From CRM systems and reservation systems to B2B business portals.

  • CRM a ERP systems
  • B2B business portals
  • Reservation systems
  • Internal company systems
  • Database applications
  • Workflow management
  • Reporting and analytics
  • Access systems

Mobile applications

Native and hybrid mobile applications for iOS and Android. Connected to your online store or as a standalone solution.

  • iOS apps (Swift)
  • Android apps (Kotlin)
  • Hybrid applications (React Native)
  • E-commerce mobile applications
  • Business apps
  • Push notifications
  • Offline functionality
  • Publication in the App/Play Store

Integrations and APIs

We connect your systems with third-party services. API development, webhooks, data synchronization, and process automation.

  • REST API development
  • Payment gateway integration
  • Connection with carriers
  • ERP/CRM integration
  • XML/JSON feeds
  • Product comparison sites (Heureka, etc.)
  • Marketing tools (GA, FB Pixel, etc.)
  • Webhooks and automation

Hosting and management

For demanding customers, we can also provide server hosting and regular administration. Monitoring, backups, updates, and optimizations.

  • Serverový hosting
  • SSL certificates
  • Regular advance payments
  • Security updates
  • Performance monitoring
  • 24/7 technical support
  • Performance optimization

Proven development process
for stable results

We approach each project systematically according to proven best practices. We combine an agile approach with thorough documentation and testing.

01

Analysis and planning

We begin with a thorough analysis of your needs and goals. We define the functionalities, architecture, and technology stack. We create detailed specifications and a schedule

  • Business analysis
  • Technical specification
  • System architecture
  • Schedule and milestones
02

Design and prototyping

We create wireframes and prototypes that visualize the final solution. We define user flows, database structure, and API endpoints. We prepare a design system for consistent UI.

  • Wireframes and UX flow
  • Database schema
  • API documentation
  • UI/UX design (if not separate)
03

Development and programming

We program backend, frontend, and integrations according to approved specifications. We work iteratively in sprints, showing you our progress on an ongoing basis. We adhere to coding standards and best practices.

  • Backend development
  • Frontend implementation
  • Integrations and APIs
  • Ongoing code reviews
04

Testing and QA

We test all functionalities, compatibility, performance, and security. Unit tests, integration tests, manual testing. We fix bugs and optimize performance before launch.

  • Unit and integration tests
  • Cross-browser testing
  • Performance testing
  • Security audit
05

Deploy and launch

We deploy the application to the production server. We set up monitoring, backups, and security. We train your team in the use of administration. We prepare documentation.

  • Production deployment
  • Server setup and configuration
  • Administrator training
  • Technical documentation
06

Support and optimization

We provide technical support, solve problems, and implement new features. We monitor performance, optimize, and update. Long-term partnerships are important to us.

  • Technical support
  • Bug fixing and adjustments
  • Performance optimizations
  • New features

Frequently asked
questions

Do you have any questions? Here you will find answers to the most frequently asked questions. If you cannot find the answer to your question, please do not hesitate to contact us.

It depends on the scope and complexity of the project. A simple presentation website takes 3-4 weeks. A standard online store on PrestaShop or WooCommerce takes 6-10 weeks. Complex solutions with custom development and integrations can take 3-6 months. We will provide you with an accurate time estimate after analyzing your requirements.

We specialize in PrestaShop (our largest segment, we have PrestaShop Expert certification), Shopify (we are an official Shopify Partner), WooCommerce and custom CMS solutions. We also work with platforms such as Sylius, Upgates, and Shoptet.

The choice of platform depends on your needs, budget, and plans for the future. We will help you choose the most suitable solution.

Yes, for demanding customers, we can also provide server hosting and regular management. We offer:

  • Powerful hosting optimized for e-commerce
  • SSL certificates and security
  • Regular backups and disaster recovery
  • Monitoring and performance optimization
  • 24/7 technical support
  • Updates and security patches

Prices start at €70 per month, depending on performance and support requirements.

Standard online store package includes:

  • Platform installation and configuration
  • Responsive design (desktop, tablet, mobile)
  • Product and category administration
  • Payment gateway integration (2-3 methods)
  • Integration of carriers (Packeta, DPD, Slovak Post, etc.)
  • Exporting products to comparison sites
  • Email notifications for customers and admin
  • SEO optimization (meta tags, friendly URLs, etc.)
  • Google Analytics and Facebook Pixel
  • GDPR compliance and cookies
  • Basic administration training
  • Technical documentation

Yes, we develop mobile applications for iOS and Android. We offer:

  • Native applications: Swift pre iOS, Kotlin pre Android
  • Hybrid applications: React Native for both platforms at once
  • E-commerce applications: linked to your online store
  • Business applications: internal company systems

We cover the entire process from design through development to publication in the App Store and Google Play. Mobile app prices range from €8,000 depending on functionality.

We have extensive experience with integrations:

  • Payment gateways: CardPay, TatraPay, ComfortPay, PayPal, Stripe, GP webpay, ...
  • Carriers: Packeta, DPD, GLS, UPS, Slovak Post, ...
  • ERP/CRM systems: Money S3, Helios, Salesforce, ...
  • Comparators: Heureka, Pricemania, Google Shopping, ...
  • Marketing tools: Mailchimp, Facebook Ads, Google Ads API, ...
  • Accounting systems: Fakturoid, SuperFaktura, ...
  • Custom API: we can create or connect any API

Yes, long-term support is part of our philosophy. We offer:

  • Free support for 1-6 months (depending on the package)
  • Monthly service packages from 50 €
  • Hourly rate of 80 € for ad-hoc work
  • SLA agreements for critical projects
  • Regular updates and security patches
  • Monitoring and performance optimization

85% of our clients work with us on a long-term basis. Our goal is not only to deliver the project, but to remain your partner for development.

Yes, we have official certifications:

  • PrestaShop Expert - highest level of certification
  • Shopify Partner - official partner program

Our modules are sold on the official PrestaShop Addons Marketplace, such as our popular DPD Parcelshop Pickup for EUROPE module, which is used by hundreds of online stores in Europe.

We have completed over 150 projects in over 8 years and have a portfolio of satisfied clients ranging from small online stores to large enterprise solutions.

Yes, migration between platforms is our specialty. We can handle:

  • Migration from OpenCart, Magento, OsCommerce to PrestaShop
  • Migration from WooCommerce to PrestaShop or Shopify
  • Migration between PrestaShop versions (1.6 → 1.7 → 8.0 → 9.x)
  • Migration from old custom CMS to modern platforms
  • Import of products, customers, orders
  • SEO preservation (redirects, URL structure)

We perform migrations with minimal impact on operations. Prices start at 2 000 € depending on data volume and complexity.

Transparent communication is a priority for us:

  • Initial meeting (online or in person) – analysis of requirements
  • Regular update meetings (weekly or as agreed)
  • Access to the test URL for ongoing progress monitoring
  • Communication via email, Slack, Teams, or phone
  • Project management tools (Trello, Jira, Asana)
  • Detailed documentation of each milestone

We work in agile sprints, and you can see progress in real time. No surprises at the end of the project.

Ready to build an online store,
who actually sells?

Let's start with a no-obligation consultation. We'll tell you how we can help your business stand out and achieve better results.

info@deenzo.com
Slovakia