Single Moms BCN is a community platform in Barcelona for single mothers. Jimena Guislain Caro founded it in 2025 after facing a lack of support during her own pregnancy. The platform connects local and expat single mothers to help them with emotional and practical challenges. The project operates primarily through WhatsApp. It includes a screening process to ensure the safety of the group. The community organizes informal meetups, paid events, and online psychological sessions. It also has specialized sub-groups where members help each other with specific needs. The platform has achieved measurable results in its first year. It grew to 400 members before stabilizing at a curated group of 200 active participants. Members use the network to arrange shared flats and organize mutual childcare support. Single Moms BCN shows how a simple digital setup can effectively reduce social isolation.