Zappie makes STEAM-based building kits that bring hands-on creativity to kids across the Netherlands. When they decided to offer them as a subscription, the vision was simple: effortless for parents, magical for kids. But beneath that simplicity sits a real operational challenge — and getting it right required the right platform.

Zippit makes products that help people breathe better. Sports performance, sleep, overall wellness. Their approach is targeted solutions and guided nose breathing, backed by data-driven growth. When they decided to add subscriptions, they needed a platform that could keep up.

By breaking through the limitations of customization and scalability, Parfumado has successfully delivered personalized customer experiences. Since partnering with Firmhouse, they have achieved impressive growth, with year-over-year increases ranging from 50 to 75%.

plnktn is transforming Omega-3 supplements with sustainable algae alternatives. Learn how Firmhouse and Mollie helped them scale subscriptions and drive 60% year-over-year growth.