Nov. 5, 2025

From App Chaos to Conversion Engine: Building Shopify Stores That Scale

From App Chaos to Conversion Engine: Building Shopify Stores That Scale

Here's what most founders don't realize until they're deep in the scaling trenches: that DIY Shopify store that got you to $2-3M? It's probably your biggest bottleneck right now.


Your site's crawling from app bloat, conversion rates have plateaued, and expanding internationally feels like a six-month, six-figure nightmare you don't have bandwidth for.


Meanwhile, the top 1% of Shopify brands are launching multi-region storefronts with localized currencies, duties, taxes, and languages—and they're live in 8-12 weeks. The difference isn't unlimited budgets or massive teams. It's knowing how to build for scale from day one.


Today's guest literally helped build the Shopify Plus Partner Program. Mac King is Co-Founder and Chief Revenue Officer of Domaine, the world's largest independent Shopify design and development agency with over 350 sites launched globally. Before founding Domaine, Mac was at Shopify in the early days, flying around North America convincing agencies (including me) to become Shopify Plus Partners back when people were skeptical about paying $1,000 for Plus. Now he leads a team that builds sites for mid-market and enterprise brands who need architecture that scales—without the constant firefighting and tech debt that comes from the DIY approach.


Let's dive in.


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