Alongside our consulting work, Castle builds original ventures and supports selected founders across different industries. We contribute product strategy, technology, brand development, operations, and go-to-market execution to help promising ideas become sustainable businesses.
Explore selected ventures built by Castle or developed with our support.
Gaming and digital entertainment
Games4Fun creates accessible, replayable games and player-focused digital products—from original web games to tools that help people discover what to play next.
Celebration studio
SweetNay is a Toronto celebration studio for custom cakes, party boxes, and event sweets, supported by Castle across its brand, digital presence, and business development.
Explore more businesses and product concepts being built or supported through Castle’s venture model.
AI productivity and neurodivergent support
AchievaFlow is a science-informed productivity companion that helps neurodivergent young adults turn goals into manageable actions, build sustainable routines, and move forward with greater clarity.
AI-powered fleet intelligence
EcoFleet AI is an intelligent platform in development to help organizations understand vehicle activity, maintenance needs, energy use, and operational performance across electric and mixed fleets.