Web Development
Modern, responsive websites and web applications built with performance and accessibility at their core.
Frost & Calvin Systems delivers modern, scalable, and secure software solutions — from Switzerland to the world.
From concept to deployment — we handle every layer of your digital infrastructure.
Modern, responsive websites and web applications built with performance and accessibility at their core.
Native and cross-platform apps for iOS and Android — fast, intuitive, and user-centric.
Comprehensive security assessments, penetration testing, and compliance-ready architecture for your systems.
Turn raw data into actionable insights with custom dashboards, pipelines, and statistical analysis.
Bespoke software built to your specifications — scalable architecture, clean code, and long-term maintainability.
Structured training programs for individuals and teams — from absolute beginners to advanced practitioners.
Design, deployment, and maintenance of robust network environments for businesses of all sizes.
Strategic technology advisory to align your IT investments with business goals and scalability plans.
Legacy codebase modernization and architectural improvements — including specialised Canton Schwyz compliance refactoring.
Frost & Calvin Systems is a remote, technology-focused partnership dedicated to delivering modern, reliable, and scalable software solutions. Operating from Immensee Switzerland and Kampala Uganda, we combine strategic leadership with strong engineering expertise.
Our work spans software development, systems design, automation, and custom IT solutions. We prioritise quality, security, and technical excellence in every project we undertake.
Two leaders. One mission. Delivering Technology excellence from two continents.
Born in Kampala Uganda, based in Switzerland, Frost oversees the strategic direction, business operations, and client engagement for Frost & Calvin Systems. He manages project planning, infrastructure investment, and organisational coordination — ensuring every project aligns with long-term vision and value. He is also a Medical Health Assistant by training, with a background in healthcare support. He studied Computer Science at Cavendish University in Uganda and Full Stack Web Application Development at HiCoders in Switzerland.
Calvin leads the technical direction of the company. With deep expertise in software engineering, he is responsible for system architecture, development processes, code quality, and technical decision-making — ensuring every solution is built with robustness, efficiency, and industry best practices. He studied Computer Science in Uganda and has over 10 years of experience in software development, including roles at leading Statistical Institutes in Uganda before co-founding Frost & Calvin.
Organisations and businesses that trust Frost & Calvin to power their technology.
Real words from real clients across Uganda who've experienced our work first-hand.
"Frost & Calvin built our data reporting dashboard from scratch. The system is fast, accurate, and has saved our analysts hours every week. Professional team that truly understands government data workflows."
"We approached Frost & Calvin for a logistics management system and they delivered beyond our expectations. Our fleet tracking and order management are now fully automated. Incredible work ethic."
"They redesigned our entire online presence and added an ordering system for our floral arrangements. Bookings went up 60% in the first month. Calvin was super responsive and patient throughout the whole process."
"Our booking and client management app has completely transformed The Lash Klinik. The Android app works flawlessly and our clients love it. We get more repeat clients because of the reminder system they built."
"I enrolled in their beginner-to-advanced computer training programme and within three months I went from knowing nothing about coding to building my own small website. The curriculum is structured and the mentorship is exceptional."
"The cybersecurity audit they performed revealed three critical vulnerabilities in our systems that we didn't know existed. Their detailed report and remediation roadmap was exactly what we needed. Highly recommended for any Ugandan business taking security seriously."
Have a project in mind? We'd love to hear from you. Fill in the form and we'll get back within 24 hours.