Startup Directory
Top Startups in San Diego - 2026 Startup Directory
Last updated: · 6+ companies
San Diego remains an important startup market because location still shapes hiring, distribution, and investor access. This page helps readers compare funded startups, visible founders, and related hub routes without hopping across scattered sources. San Diego stands out for operator density and market access. Companies like high-signal startups show how local ecosystems create repeat operators and category depth over time. In 2026, location-specific startup research matters because buyers, investors, and candidates all want to know where conviction is clustering, not just which company raised most recently.
CClickUp
ClickUp offers a customizable workplace productivity platform that serves all departments across an organization. SaaS Enterprise Software Productivity Tools
Last round: Series C Andreessen Horowitz, $400M Series C in 2021, $4.0B valuation
SAShield AI
Develop AI products for the protection of service members and civilians Robotics Hardware Artificial Intelligence
Last round: Series F Andreessen Horowitz, $240M Series F in 2025, $5.3B valuation
PPuls
Puls powers a network of service providers in delivering home services. SaaS Home Services
Last round: Series C Sequoia, $93M Series C in 2021
AAttackIQ
AttackIQ is a security optimization platform that enables a seamless threat-informed defense. Cybersecurity
Last round: Series C Khosla Ventures, $44M Series C in 2021
THTurquoise Health
Compare prices before you get health care. Healthcare
Last round: Series A Andreessen Horowitz, Bessemer, $20M Series A in 2022
APAchates Power
Achates Power specializes in the fields of combustion engine development, clean diesel, and 2-stroke oil control management. Transportation Electric Vehicles
Last round: Series D Sequoia, $96M Series D in 2017
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Frequently Asked Questions
Practical questions readers ask before comparing companies, founders, and market momentum.
What can I learn from the startups in San Diego page?
You can compare funded startups, visible founder profiles, and related discovery routes tied to San Diego.
Why does San Diego matter as a startup hub?
San Diego matters because of operator density and market access.
How should I use a city-based startup page?
Start with geography, then move into industry, stage, investor, and founder routes for deeper research.
Are all startups here headquartered in San Diego?
They are mapped to San Diego using available directory context such as headquarters or operating base.
Can candidates or buyers use this too?
Yes. Location pages help both candidates and buyers identify where activity is concentrated.