Dimension raised a $1.65 million seed round to take Seller OS, its agentic AI platform for managing TikTok Shop storefronts and other social commerce accounts, out of private beta and into general availability. Seller OS gives agencies and brands one place to handle ads, customer support, affiliate and creator relationships, and day-to-day storefront operations. Dimension built the platform off its own experience running more than 40 TikTok Shop programs for brands and agencies including Final Boss Sour, Bones Coffee, and Leilo. Founder and CEO Ali Mirzaei says the company was profitable in 2024 and 2025, funded Seller OS out of operating earnings, and has brought in more revenue than it has raised.
