Most B2B founders between $1M and $20M ARR have a familiar lineup: a website agency that ships once a year, an SEO consultant who reports rankings, a paid media shop running campaigns nobody connects to closed-won, an outbound vendor pumping cold emails, a HubSpot consultant who set things up and never came back, and a sales coach who shows up monthly. Six logos. Six invoices. Six narrow scopes. Zero people accountable for whether pipeline moves.
The pattern repeats because the agency space is built that way. Specialists are deeper than generalists, the thinking goes. Hire the best at each thing. The math sort of works in enterprise, where each agency has a dedicated team on the buyer side to integrate them. In SMB it falls apart immediately — the founder is the integration layer, and the founder is too busy to integrate anything well.
The full-stack model is a response. One team running website, demand, and sales motion under one accountability line. The deliverables look similar to what the six vendors would have shipped, but the seams are gone — the ICP the ads buy is the ICP the website speaks to is the ICP the outbound prospects. The CRM is set up for the email tool that the SEO writer knows about. Sales hears from marketing weekly, not in quarterly reviews where everyone reports green.
It's not free. A full-stack team isn't cheaper than six specialists in aggregate; sometimes it costs more. What changes is the unit economics — fewer meetings, faster decisions, no vendor finger-pointing when a number drops. Founders we talk to typically save 8–12 hours a week of vendor management alone. That's a quarter of an FTE, recovered immediately.
The space is consolidating. Powered by Search, Webstacks, Discovered Labs, and others have been running the model for years. The recent shift is that buyers are starting to ask for it explicitly — 'I want one team' is now a stated requirement in RFPs that used to specify nine. If you're stitching six vendors today, you're not crazy to consider whether one team would do more for less friction. The case for full-stack isn't about depth versus breadth; it's about who owns the outcome when the outcome doesn't show up.
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Korovin AI runs websites, demand engines, and sales motions for founder-led B2B companies — under one team.