Top Tech Startups in Southern California in 2027

We’re the essential technology platform used by hundreds of thousands of homebuyers and sellers to partner with top real estate agents and win at any step of the real estate journey — whether that’s finding a top agent, securing a competitive mortgage, or ensuring on-time, easy close. Every year, we facilitate billions of dollars of real estate on our platform. HomeLight empowers people to achieve better outcomes during one of life’s most important events: buying or selling their home. Our vision is a world where every real estate transaction is simple, certain, and satisfying.

Gusto is a modern, online people platform that helps small businesses take care of their teams. On top of full-service payroll, Gusto offers health insurance, 401(k)s, expert HR, and team management tools. Today, Gusto offices in Denver, San Francisco, and New York serve more than 100,000 businesses nationwide. Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds, not just because it's the right thing to do, but because it makes our company stronger. If you share our values and our enthusiasm for small businesses, you will find a home at Gusto.

Turo is a car sharing marketplace where guests can book any car they want, wherever they want it, from a vibrant community of local hosts across the US, Canada, the UK, France & Australia. Guests choose from a totally unique selection of nearby cars, while hosts earn extra money to offset the costs of car ownership. A pioneer of the sharing economy and the travel industry, Turo is a safe, supportive community where the car you book is part of a story, not a fleet.

KeepTruckin is a San Francisco-based company that serves more than one million drivers and over 100,000 businesses that power the physical economy by equipping them with the technology needed to improve the safety and efficiency of their operations. Shoaib Makani and his co-founders Ryan Johns and Obaid Khan founded the company in 2013 to serve the trucking industry, a workforce that is essential to the economy but underserved by technology. Today, KeepTruckin’s 400,000-strong network of connected vehicles, ranging from small trucking companies to Fortune 500 enterprises, is one of the largest in North America. The products that KeepTruckin builds deliver integrated value for a diverse range of industries, from construction and oil and gas to distribution and moving and storage. At every turn, KeepTruckin provides cutting-edge hardware and software that leverages the latest advancements in AI and computer vision to solve a broad range of problems for businesses with vehicles — spanning video-based driver safety, Electronic Logging Device (ELD) compliance, GPS tracking, dispatch, and fuel and maintenance. KeepTruckin’s series E round valued the company at $2.3 billion, and it currently employs more than 2,400 people worldwide.

Product.ai is building the verification layer for AI commerce. We are not a startup pitch. We are a profitable company that has been verifying commerce data at scale for over a decade. No venture capital. No board. 100% founder-owned. Product.ai operates more like a special forces team than a traditional company. Every team member is an Axiomatic Engineer — an autonomous operator who extracts their mission from the company strategy, not from a manager's task list. We do not hire for well-roundedness. We hire for spikes: the innate talents that produce non-linear output when amplified by the right systems.

Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency, and drive revenue.

MongoDB is the leading modern, general purpose database platform, designed to unleash the power of software and data for developers and the applications they build. Headquartered in New York, MongoDB has more than 15,000 customers over 100 countries. The MongoDB database platform has been downloaded over 60 million times and there have been more than one million MongoDB University registrations.

Voicera is building the data layer for trust analytics, empowering People to score sincerity in human communication objectively at scale. Why now? Trust is the new currency. • Problem: All video meetings are recorded and processed by LLMs. How people communicate is lost in transcription, causing misinterpretation, and bad decisions. • Solution : Sincerity™ by Voicera analyzes people's behavior to assess how truthful they are from non-verbal cues with 80% accuracy. • Use Cases: Sales (customer insights, revenue forecasts), Training, HR (recruitment), Internal Fraud Investigations… • Outcomes: Voicera empowers customers to make more informed, ethical decisions in situations where trust is critical.

Candid is redefining oral health by using modern technology to help deliver human-focused care. With a commitment to creating the best outcomes, Candid inspires confidence and promotes wellbeing. We believe that high-quality orthodontics should be affordable and accessible, and we’re pioneering an innovative approach to diagnosing, treating, and monitoring cases remotely. Our team is a group of startup veterans with experience across healthcare, hospitality, tech, and finance at companies such as Lyft, BCG, Airbnb, Blackstone, and Clover Health.

At Veo, we're bringing the next generation of mobility sharing to cities and universities globally through our dockless pedal bike, e-bike and e-scooter systems. We also offer fat-tire bikes, cargo bikes and ADA-compliant bikes – making us the only shared mobility provider with this breadth of options. We design and engineer our own vehicles, hardware and software systems to provide a greener, healthier mode of transportation to make the communities we serve more sustainable and livable. Our mission is to offer the best combination of multi-modal sharing technology and seamless customer service, so users can unlock joy in their day. We are looking for exceptionally talented individuals who are ready to take on exciting challenges and own solutions. We are headquartered in Chicago, IL, but we are hiring across the U.S. Join us!