Top Tech Startups in San Diego, CA in 2026

We’re giving the power of digital advertising to the people. Our job is to ensure that anyone has the tools they need to make their voice heard online. We’re a team of technologists, nonprofit leaders, and entrepreneurs driven by purpose and committed to the free exercise of our human agency.

Hey Social Good is a social impact tech company working to revolutionize social good data for people, planet, and profit. We are a data analytics platform using expert domain knowledge and machine learning to guide, assess, and rapidly verify the sustainable and socially responsible practices of businesses. We hold a single conviction: with the right tools, people will make small shifts to improve people, community & planet.

FleetHD is the intelligence layer for fleet maintenance — turning raw diagnostic, inspection, and operational data into the alerts, priorities, and insights that commercial fleet teams rely on, from the maintenance office to the shop floor to the roadFleetHD ingests and cross-references data from telematics providers, sensors, DVIRs, and other fleet systems — including fault codes, malfunction indicators, sensor readings, and inspection results — and processes it through a configurable intelligence engine that separates actionable signals from noise. The platform delivers prioritized alerts, vehicle health scoring, diagnostic insights, and resolution tracking to maintenance teams through real-time notifications, dashboards, and mobile tools.

Thor’s Hall is building a performance-based network for creators, publishers, marketers and online communities. We help partners monetize their audiences without having to build the technical infrastructure themselves. Thor’s Hall handles dedicated landing pages, campaign tracking, reporting and partner management while our partners focus on bringing quality traffic through the channels they already understand. Our model is simple: if a partnership generates revenue, everyone involved shares in the results. We currently focus on online gaming and iGaming, with the goal of building a wider network of creators, publishers and growth partners across multiple markets. We are still early, which means the people joining now have the opportunity to help shape how Thor’s Hall grows, test new acquisition strategies and potentially develop long-term partnerships as the network expands.

Sponsor a Pet is a fundraising platform, dedicated to providing Animal Non-Profits a platform to share their stories and help raise the necessary resources to save the lives of animals. We do this by working together with passionate local organizations to amplify our impact in communities as we come together as one. The mission of Sponsor a Pet is to provide every animal a loving environment that they can call home. Every animal deserves the opportunity to have their basic needs met; food, medicine, a safe and loving family. Our overarching goals are to eliminate Kill Shelters, Animal Abuse, and the destruction of their habitats. We strive to share stories of positivity, laughter, uplifting stories, animals who need our help, and to give thanks to the volunteers who work tirelessly to help find these animals find their forever home. If this resonates with you, join our team and lets grow our community! Who We Are We are passionate individuals who came to together under a common vision to help all animals. We understand working together, moving in the same direction will have a greater impact. Sponsor a Pet provides an audience across the country that local non-profits do not have access to. As we come together we can create a lasting impact in all of our communities. How to get Involved Singing up as one of our members as a PetStar is a great Start. On top of that, there’s much more you can do to get involved. The easiest way is to share your story with us. We would love to hear from you and share your story. What drives your passion for animals and a little about your background. Another way would be to share local organizations that need our help, or local communities who would want to get involved. Our goal is to provide a platform for animals, non-profits, Individuals, and companies alike.

The Only Real Ad Audit in the Industry Vaudit stands alone as the only company directly tied to billing, offering a genuine and legally defensible ad audit which saves brands and agencies on wasting ad spend. Our AI-driven audit system identifies fraudulent charges from bot traffic, click farms, and low-value ad placements. By flagging these issues in real-time, we provide actionable recommendations to block bad traffic sources and optimize future ad spend.

We're solving the wrong problem. Everyone's trying to teach small business owners to be better marketers. Better social media strategies. Better content calendars. Better posting schedules. But here's the thing: A therapist shouldn't have to be a social media expert. A wedding planner shouldn't spend 6 hours a week posting content. A wellness coach shouldn't hate their own marketing. The problem isn't that they're bad at marketing. The problem is that they're doing marketing at all. At Omada, we believe the best marketing is invisible marketing. Omada means "team" in Greek. Not a tool. Not a list. A team. We've built the first AI marketing team specifically for service businesses - a "do it for me" team that creates, executes, optimizes, and supports while you focus on what you do best: serving clients. For small business owners, it means you're never alone. While you build your business, your AI marketing team is already at work. Thousands of companies are already waiting for this future. Technology should do what technology does best, so humans can focus on what humans do best. That's not optimization. That's revolution. Omada. Your team, in motion.

HackerRank provides a platform that helps companies to evaluate technical skills and create opportunities. The company helps in hiring skilled developers by allowing tech recruiters and hiring managers to evaluate talent at every stage of the recruiting process.