Custom Web & Web App Development Services
Bespoke web platforms and business-critical applications built for scalability and long-term operational use.
Enterprise-Grade Web Solutions
We design and build web platforms that support real business operations. This includes customer-facing apps and internal systems. Our focus is on scalability, security and maintainability.

Enterprise-Grade Web Solutions
We design and build web platforms that support real business operations. This includes customer-facing apps and internal systems. Our focus is on scalability, security and maintainability.
Whether you are:
- Building from scratch.
- Modernizing legacy systems.
- Scaling existing platforms.
We deliver solutions that blend technical excellence with your practical business needs.
25+
Years Experience
3
Locations : Ireland · India · USA
99.9%
Uptime Delivered

Cross - Industry Expertise
What We Build
Custom Web Platforms
Full-stack applications tailored to your specific workflows, integrations and operational needs.
Business-Critical Applications
Mission-critical systems built with redundancy, security and performance optimization.
Legacy System Modernization
Re-engineering of outdated infrastructure using modern frameworks, architectures and scalable infrastructure.
Internal Workflow Systems
Custom portals and dashboards that improve visibility, streamline operations and reduce manual effort.
API Development
Secure RESTful and GraphQL APIs that connect your systems securely and efficiently.
Progressive Web Applications
Fast, app-like web experiences that work seamlessly across devices with offline capabilities.
Technology Stack
Full-stack development built for scalability and long-term use.

Frontend
React, Next.js, Vue.js, TypeScript, Tailwind CSS

Backend
Node.js, Python (Django, FastAPI), PHP (Laravel), PostgreSQL, MongoDB

Cloud & Infrastructure
AWS, Google Cloud, Docker, CI/CD pipelines

Security
SSL/TLS, OAuth 2.0, automated vulnerability testing
Custom Cloud-Native Platform for National Food Service Operations
Ireland · Cloud-Native · Full-Stack · Custom ERP
A leading institutional catering provider needed a technology partner to build and scale a custom national food service platform capable of handling high-volume multi-sector operations across schools, correctional facilities and healthcare institutions.
We designed and developed the full-stack cloud-native ERP platform that now powers their entire operation. From real-time ordering and demand forecasting to multi-platform smart kiosk management and seamless third-party integrations.
The result: a resilient, scalable custom-built system designed to grow with the business.
1M+
Orders Processed
100+
Institutions Served
99.9%
Uptime Maintained
IBEC
Award 2024
Testimonial

Collatzinc has been our technology backbone, enabling us to scale from concept to award-winning national deployment.
— Joe Kavanagh, Food Village

Workforce Deployment Platform Food Service Ireland
Field staff deployment and monitoring across national multi-site operations.

Personnel Management PlatformVolunteer ManagementUSA
End-to-end personnel, scheduling and compliance across multiple locations.

Legacy System ModernisationLegalTechEnterprise
Invoice and collections platform rebuilt for real-time multi-vendor operations.

Event Operations ModuleNon ProfitUSA
Volunteer check-in, shift scheduling and compliance tracking in one interface.






