From startups to enterprises. From requirements and development to deployment and operations. We build software for a better digital future.
Custom websites, web apps, native iOS and Android apps, and desktop software for PC and Mac. From architecture and clean code to a finished, tested product — all from one team.
Modern web design and intuitive user experiences that bring your brand to life online. Interfaces that do more than look good — they convert.
Strategic advice on technical architecture, process optimisation and AI. We support startups at every stage, from the first idea to scaling.
Highly available, scalable and secure. With monitoring, CI/CD and DevOps included. We don't just build it — we keep it running.
From smart chatbots to internal business tools. End-to-end AI support, with privacy at the heart of every project.
Our own products and client projects — from the first idea to a successful launch.

Find, evaluate and access funding automatically with an AI-powered platform.

A cyberpunk trick-taking card game for 3–6 players. Built entirely in-house for iOS.

HR software that grows with you, from solo founder to a team of 200. Built for people management and collaboration.

Local updates for German cities. Understand events, check sources and stay informed about what's happening around you.

A pizza dough planner for iOS, with recipes, dynamic calculators, fermentation timers and a guided baking mode.

Send SMS messages in Germany via a REST API. Pay per use or choose a flat-rate plan.

Live trading, mentoring and technical analysis for stocks, forex and crypto.

Family-run property management in Munich. Personal service, modern web design.
We're Barry and Bill, two brothers with very different backgrounds that complement each other perfectly. Together, we founded A Complex World to identify complex problems and develop innovative solutions with an agile approach.
We help you solve the challenges you face and take your business to the next level. Our experience across industries lets us tailor our approach — combining advanced technology with social responsibility.
A master's degree in computer science and years of IT industry experience. Leads technology, architecture and development.
A master's degree in social entrepreneurship and management. Leads projects, operations, strategy and client relationships.
Tailored solutions, informed by years of industry experience.
Modern technology that makes everyday life easier.
The best solutions are built together.
Sustainable software is better for your budget and the environment.
“The only way to do great work is to love what you do.”