One Domain or Two? The SEO Tradeoffs Behind Parent Brands, Sub‑Brands, and Scaling Smarter

At some point, every growing company faces the same question: should everything live on one domain, or is it time to spin up a second site? This guide breaks down the real SEO and scaling tradeoffs behind parent brands, sub-brands, and multi-domain strategies—so you can choose the structure that actually supports long-term growth.