
By Bob Solomon and Mike Marcus
Vertical SaaS platforms have quietly become the operating system many small companies run on. What began as point solutions for scheduling, payments, or CRM now sits at the center of daily operations, which helps explain why SMB adoption reached 59 percent in the US in 2024, up from 50 percent just two years earlier, according to BCG.
AI is accelerating that advantage. Even after the SaaSpocalypse, vertical SaaS companies still command a 25 to 30 percent premium over horizontal SaaS at comparable performance levels, a sign that the market continues to reward deep workflow ownership. SMBs are unlikely to rip out mission-critical applications or “vibe code” their own replacements, as long as incumbents keep using AI to solve the next layer of operational pain. But when that roadmap stalls, the opening for an AI-native challenger appears quickly.
At Tidemark, we try to open-source our thinking as much as possible to help founders win; however, as investors, we can’t give everything away in public. If you’re an operator or founder, you can request access to the rest of this piece below.
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