S4W was founded by operators, not theorists. Between us we’ve spent decades in sales and marketing leadership, closed tens of millions in revenue and built brand audiences from zero into the millions. Our CSO spent years in UK solar sales at one of the country’s established installers, so we know exactly what a lead is worth and what it costs to lose one.
We design, build and run the full growth stack. That means sourcing and enriching data, running cold email at scale on Salesforge, building CRMs and automations, and deploying AI voice agents through YourCalls.ai, our own platform, to handle speed to lead, out-of-hours enquiries, technical support and renewals.
Because we have our own dev team and our own product, clients don’t get a strategy deck and a goodbye. They get working systems, live data and someone accountable for the numbers. We currently work with businesses across the globe.


