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From custom plugins to complex software solutions – we develop digital enhancements based on your needs, not generic templates. Whether you're working with Shopware, OXID, mobile apps, or API-first architectures – our development team builds tailored solutions designed for long-term B2C success.

OUR CUSTOM SOFTWARE DEVELOPMENT SERVICES

  • Plugin Development
  • OXID Modules
  • App Development
  • Custom Software Development
  • And every custom line of code you need

< where standard ends, innovation begins >

Experts in custom
development & beyond.

Unlock the full potential of your digital infrastructure with solutions that go deeper than the standard. From certified Shopware and OXID extensions to mobile apps and custom-built platforms – we create secure, high-performance tools that seamlessly integrate with your systems and scale with your business.

#01

Shopware Plugins – Custom, secure, high-performance

Looking for more than just a working online shop? Our certified experts develop powerful Shopware plugins, precisely tailored to your business goals. As long-standing Shopware Gold and Technology Partners, we’ve launched over 600 plugins and achieved more than 2,300 downloads. From new features to industry-specific functionalities – we bring innovation to your online store. Our plugins are: • Reliable and secure according to the latest standards • Certified with Shopware SILVER and BRONZE badges • Fully scalable for growing demands

#02

OXID Modules that go beyond the standard

We don’t just build for OXID – we extend its possibilities. Our certified OXID developers design modular solutions that go well beyond the basics. We develop: • Specialized modules for variants, budget management & business logic • Custom interfaces like OCI, OXID4SAP and PIM integrations • Tailored features for your existing OXID system The result? Robust, high-performance solutions for both B2C and B2B, seamlessly integrated into your ecosystem.

#03

App Development – Native & Cross-Platform

At 426, we develop apps that don’t just work – they deliver. Whether native, hybrid or cross-platform, we guide you from market analysis to release and ongoing maintenance. Our mobile solutions bridge the gap between your shop and your users’ daily lives – with features like loyalty programs, ordering tools and intelligent store finders. Thanks to real-time API connectivity, ERP, CRM and shop systems are always in sync.

#04

Custom software development – Built around you

Standard doesn’t cut it when you’re thinking ahead. Our tailored software solutions fill the gaps where off-the-shelf tools fall short – with custom backends, middleware, smart interfaces or full-scale business applications. We use cutting-edge technologies including: PHP, Swift, Java, C#, Python, JavaScript, Vue.js, Node.js, and more. Our approach ensures your solution is not only scalable, but also future-ready and easy to maintain. From requirements analysis to system architecture and ongoing support – we work agile, solution-focused and with deep industry insight.

From idea to execution – let’s build your solution together.