Greetings! We Are ZELLIO
ZELLIO is a software house in Indonesia building custom websites, mobile apps, and business systems. We turn business requirements into digital products ready for everyday use.
Five clients across various industries operate on 12+ projects engineered by members of the ZELLIO team.
ZELLIO is a professional Software House based in Indonesia. We partner with local and international businesses to design, architect, and ship custom digital systems.
Our methodology focuses on reliability and problem-solving. We believe that software should be secure, performant, and tailored specifically to fit your unique operational workflows.
Learn About UsWe combine standard software engineering practices with thorough planning to ship reliable systems.
We map out requirements, analyze digital infrastructure, and design a secure, high-performance blueprint.
We write clean, typed code in modern frameworks (React/Next.js/Node) with rapid iterations and transparent feedback.
Our engineers review application boundaries, authentication, authorization, input handling, and dependencies before launch.
We deploy onto highly available cloud infrastructures (AWS/GCP) using Docker/Kubernetes and setup automated monitoring.
How we differentiate from other agencies.
Comprehensive IT Solutions
We handle development from initial code up to cloud deployment.
Provide fragmented or single-feature solutions.
Dedicated Technical Team
Direct communication with the engineers actively working on your project.
Support handled by automated bots or slow ticketing systems.
Transparent Timelines & Dashboards
We provide structured project timelines (Gantt charts) and deploy a dedicated monitoring dashboard so clients can track our development progress in real-time.
Opaque development cycles, hidden progress, and slow updates.
Scalable Architecture
Built using modern frameworks designed to handle increasing user loads.
Basic templates that break under heavy usage.
Experience Across Industries
We have built platforms for logistics, legal, retail, and e-commerce.
Generic approaches ignoring specific industry requirements.
Purpose-built engineering for modern businesses. From scalable backend architectures to pixel-perfect interfaces, we build software that drives momentum.
We build stunning, ultra-fast websites that look great on any screen and help your business make a lasting impression online.
From the pixels down to the infrastructure they run on — one team owns the whole system.
Many software projects fail not because of technology, but because they are built with rushed architecture, short-term thinking, and code that cannot evolve. Cheap software often becomes the most expensive business decision. At ZELLIO, we engineer software that remains maintainable, scalable, secure, and reliable for years.
Our team consists of full-stack developers, UI/UX designers, and technical specialists working dedicatedly on each project.
We leverage cutting-edge tech stacks (React, Next.js, Node, TypeScript) for maximum performance, security, and scalability.
Security is integrated into every layer from day one, following industry best practices and protecting your digital infrastructure.
We combine dedicated engineering with an agile, transparent development process to ensure reliable delivery on time.
How a group of former colleagues reunited to rebuild the standard of software development in Indonesia.
Direct feedback from founders and tech leads who built with ZELLIO.
Before, during peak seasons like Eid and TAB, our warehouse team struggled with manual courier routing. With Zellio's tracking system, driver routes are clustered automatically. It really cut down our sorting time.
Everything you need to know about our workflow, technology, and engineering standards before we build together.
We design and build custom web applications, responsive corporate websites, analytics dashboards, mobile applications (iOS/Android), and custom business systems.
Have an ambitious project in mind? We'd love to partner with you to engineer it to life. Fill in the form and our strategy team will reach out.
