Sector directory
Startup categories
Explore every AI startup organized by sector and vertical. Each sector links to a ranked, hourly-updated list with funding data and our 0-100 AI-readiness score.
Sectors
49
Tracked sectors and verticals
Startups
26K+
Curated and enriched
Funding tracked
$1T+
Across all sectors
Featured category guides
Counts reflect published companies tagged with each sector, refreshed hourly. Featured guides aggregate related sectors into a curated, shareable landing page.
Browse the AI startup landscape by sector
Startup categories is the sector index for StartupHub.ai: every meaningful vertical where AI companies cluster, each with a live count of published profiles. Sectors with ten or more companies appear in the full list; featured guides aggregate related tags into curated landing pages for generative AI, agents, defense, climate, and more.
Click any sector pill to open a ranked, filterable list with funding data, founding year, HQ country, and our AI-readiness score. Counts refresh hourly as moderation and enrichment agents publish new profiles.
Investors and researchers use this page to build market maps, source comparables, and spot crowded versus under-served verticals before running a targeted search or exporting a CSV.