Custom software &
AI automation from Graz, Austria
We develop scalable enterprise software, AI platforms, and technical applications for companies in Austria and Europe — GDPR-compliant, maintainable, and hosted in Europe.
Trusted by engineering firms, SMBs, and startups.
How We Help
Software for Engineers
AI Platforms for SMBs
Reliable Software
Our specialty is software for specific business needs and high requirements for precision.
Some of the things we've done are:
- Design and simulation software for structural engineering applications
- Pixel-perfect PDF exports and branded custom PDF viewer
- Custom vector-based illustration generation (SVG-based)
European Solutions
We ensure compliance with European accessibility standards and GDPR standards.
We are fully transparent about our toolchain:
- Where possible, we rely on European partners and their services.
- We ensure compliance with European accessibility standards, including the Austrian Accessibility Act (BaFG).
- All our services are GDPR-compliant.
Full-service offerings for SMBs / startups
We help you bring your idea to market quickly and efficiently.
We can support you with the following:
- Requirements analysis and project planning
- Prototype development and user testing
- Product refinement and market validation
- Launch and reliable ongoing support
Digital Transformation
We transform your existing internal processes into an optimized digital workflow.
We can help you with:
- Automation of repetitive tasks using AI.
- Reallocate administration time to more valuable tasks.
- Integration with your existing tools and systems.
- Training and support for you and your team.
Interested?
Core Capabilities
AI / LLM
Smart workflows with European data sovereignty
AI-powered automation using Mistral AI and European models — designed for GDPR-compliant use and EU AI Act-relevant requirements.
- Mistral AI Models
- Full GDPR Compliance
- MCP (Model Context Protocol) Integration
EU Infrastructure
Fast, secure, and fully European hosting
Multi-region deployment with CDN integration across European data centers. Sub-50 ms latency to any EU capital.
- CDN / Multi-Region Deployment
- European Data Residency
- No Compromises on Performance
Usability / Accessibility
Software that works for everyone
WCAG 2.1 AA compliant design with screen reader optimization and keyboard navigation. Meets European Accessibility Act and Austrian BaFG.
- User Research
- Accessibility Testing
- Compliance with European Accessibility Act
Custom Development
Tailored solutions that scale with your business
Full-stack applications with Next.js and TypeScript. RESTful and GraphQL APIs with microservices architecture.
- Full-stack web applications
- API development
- Performance optimization
Agile Workflow
Transparent progress, faster launches
Defined sprints and continuous delivery. Ticket-based workflow with client involvement at every stage.
- Ticket-based workflow
- Collaborative project management
- Continuous customer involvement
Mobile App Development
Reach users on any device
Cross-platform React Native development – deployed to iOS and Android with native performance.
- React Native applications
- App optimization
- Consistency across web and mobile
Selected Work
KLHdesigner
Project in collaboration with Omnity e.U.
KLHdesigner is an all-in-one digital platform designed to support professionals in timber construction with KLH® – CLT. It offers comprehensive tools and resources that streamline the planning, simulation, and sustainability assessment processes for structural engineering, making it an essential solution for architects, engineers, and construction specialists working with engineered timber structures.
SELF
Project in collaboration with Omnity e.U.
Web-based application for assessing, managing, and analyzing behavioral tendencies, communication preferences, and interpersonal and team dynamics through comprehensive questionnaires, including tools for invites, reminders, and reports.
barrieretest.at
Founder project by Solasit e.U.
A tool developed for fast, automated accessibility checks of websites. barrieretest.at combines technical audits, understandable results, and optional AI-supported analysis — showing how we turn complex requirements into usable digital products.
Open Source & Research
@barrieretest/core
Open Source · CLI · CIThe open-source core behind barrieretest.at: automated single-page audits with axe-core, optional pa11y support, scoring, screenshots, JSON output, CI baseline workflows, and optional semantic AI analysis.
Gizual
TU Graz · Master's theses · Open SourceGizual came out of two Master’s theses at Graz University of Technology: a browser-based open-source tool for visualizing and analyzing Git repositories. For Acurion, it demonstrates technical depth: complex data, interactive visualization, and local execution in the browser.
Acurion is new. Our experience is not.
Omnity e.U. & KLHdesigner
Stefan brings experience from Omnity e.U. and the long-term development of KLHdesigner: technical platforms, infrastructure, deployment, and continuous product evolution.
Solasit e.U. & barrieretest.at
Andreas brings his work from Solasit e.U.: UI/UX, user-centered development, and accessibility. With barrieretest.at, he develops his own tool for structured accessibility checks.
Who we are
Stefan Schintler
As a strategic thinker, Stefan is responsible for technology and infrastructure.
His expertise: crafting future-proof solutions that scale with tomorrow's demands. Through Omnity e.U., Stefan has been in business for over 10 years and brings long-standing experience from developing and operating technical platforms such as KLHdesigner and SELF into Acurion. Off-hours, he's fueled by his passion for padel tennis, photography, and 3D printing projects.
Andreas Steinkellner
As a creative force, Andreas is responsible for user interfaces and user experience design.
He crafts interfaces that just work – for everyone, everywhere, barrier-free. Through Solasit e.U., Andreas has contributed to KLHdesigner since 2022 and develops barrieretest.at, his own tool for structured accessibility checks. After hours: typography nerd, coffee enthusiast, keyboard collector. When it's time to unwind, he reaches for his guitar.
