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Company · Energy & Climate

Wattwin

wattwin.com ↗ ·Barcelona ·Other

Wattwin is a Spanish B2B SaaS platform that lets solar installers, energy retailers and engineering firms design, quote, sell, install and manage renewable self-consumption projects — photovoltaics, aerothermal/heat pumps and EV chargers — from a single tool, covering PV design, automatic budget and technical-administrative document generation, and CRM/project management. Founded in 2016 out of energy-tech team SII-E, it says more than 150 companies use the platform. In February 2025 it raised €3M led by Suma Capital through its SC Enion Fund I with CDTI Innovación's INNVIERTE program joining; Suma Capital had already taken it into portfolio in 2022. It is headquartered in Barcelona (Calle Balmes 188).

Profile updated 31 Aug 2026