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We figured out the best start-up companies to work for in California using data on salaries, company financial health, and employee diversity. You can also search for the best start-up companies to work for in any other state or city.

Zippia score 4.5
Optovue is a medical device company focused on developing the next generation of ophthalmic optical coherence tomography (OCT) instruments.
Zippia score 4.5
Attivo Networks provides required visibility and actionable, substantiated alerts to detect, isolate, and defend against cyber attacks. Attivo Networks, the leader in deception technology, provides accurate in-network threat detection, analysis, and accelerated response to advanced, credential, insider, and ransomware attacks. The Attivo Deception and Response Platform provide continuous visibility and efficient threat management for user networks, data centers, cloud, branch, IoT, ICS-SCADA, and POS environments. Camouflage dynamic deception sets high-interaction traps to misdirect and lure attackers into revealing themselves. The solution's advanced attack analysis and lateral movement tracking automate investigation, deliver evidence-based alerts, and in-depth forensic reports. Incident response is simplified with ThreatOps™ playbooks and 3rd party integrations for automated attack blocking, quarantine, and threat hunting.
Zippia score 4.5
Soraa, founded in 2007, is the world's leading developer of solid-state lighting technology. Its full spectrum color rendering LED light technology manufactured in California produces the most natural light possible. The company's product offerings that include lamps, luminaires, light engines, etc., bring superior light to spaces such as museums, stores, hotels or restaurants. Soraa has a philosophy that light impacts our well-being, productivity and emotion. Soraa's corporate headquarters are located in Fremont, CA.
Zippia score 4.4
THINK Surgical is a medical device and technology company that develops, manufactures, and markets active robotics for orthopedic surgery.
Zippia score 4.4
RenovITe is a 21st century payment product organization founded by payment experts, offering business solutions which are based on proven frameworks and tailored to evolve with the customer ecosystem. Their core offering is RIPPS the EFT payments switching product and REXA their test automation suite. Their products have been designed to meet the requirements of an agile 21st century payments processor.
Zippia score 4.4
Spin Memory is at the forefront of innovation with our breakthrough MRAM technologies that are enabling the electronics, digital applications and devices of tomorrow. Learn More.
Zippia score 4.3
GlassPoint is the leading solar energy supplier for the oil and gas industry. The company delivers turnkey solar steam and solar electricity solutions to power oilfield operations. It operates 7 locations worldwide from the Middle East to California. Its partners include Royal Dutch Shell, Aera Energy, Petroleum Development Oman and the State General Reserve Fund of Oman. GlassPoint is one of the fastest-growing solar companies and recognized by the World Economic Forum as a Technology Pioneer. Founded in 2009 and headquartered in Fremont, California.
Zippia score 4.3
Privacera is a SaaS-based data security and governance platform, enabling analytics teams to access data without compromising compliance with regulations such as GDPR, CCPA, LGPD, and HIPAA.
Zippia score 4.3
AGNITY Global Inc., (AGNITY) is a global provider of Intelligent Business Communication Apps and infrastructure for Communications and HealthCare verticals. AGNITY's products leverage Cloud, mobility and real time communication technologies to enable enterprise customers transform their business processes for workplace collaboration, become more competitive and capitalize on new market opportunities. All AGNITY solutions are powered by its Communication Application Server (CAS) - a market leading platform that supports secured mobile contextual communication and collaboration that can be leveraged in any industry vertical.
Zippia score 4.2
Driving the Internet of Things (IoT) revolution for Automotive Applications Excelfore has deployed its Cloud Platform with Top-tier Automotive Suppliers for various applications: 1) Software Updates for Life Cycle Management 2) Vehicle Management and Data Analytics on vast data collected through our customers' Telematics deployments Strong IP Portfolio: -- M2M Network: US Patent 8761101 -- Communication Compression: US Patent 8949466 -- Distraction avoidance framework for Apps on Headunits and Smartphones: US Patent 8914012 -- System and Method for Monitoring Liquid Level in Container/Reservoirs, Patent Pending (July 2015)
Zippia score 4.2
NEXTracker offers a significant breakthrough in horizontal tracking, with lower costs, better performance and more flexibility for solar power plants. These benefits increase solar project profits for developers, EPCs and system owners. Leveraging world-class design and installation expertise, NEXTracker has delivered trackers for dozens of projects in sizes exceeding 80MW, across 3 continents. The company is headquartered in California with regional offices in Asia, Europe and South America.
Zippia score 4.2
Greenergy Group researches and develops greywater recycling systems. The company is a group of entrepreneurs, scientists, and engineers dedicated to the research and development of greywater recycling systems. Greenergy Group understands the global supply of drinking water is finite. A growing population is placing heavy demands on our ability to deliver water to consumers. By reclaiming greywater, wastewater which does not come from food preparation or toilet sources, our system decreases demands on drinking water and gives homeowners and businesses a new source for irrigation needs.
Zippia score 4.2
Laiki, Inc. is a stealth mode company.
Zippia score 4.1
RackWare brings true mobility to the data center. By creating complete images of your entire data center infrastructure, RackWare enables seamless transfer of those images to any other data center (physical or cloud) and deployment on any physical, virtual, or cloud platform. Change cloud providers, change hypervisors, change host hardware. RackWare helps eliminate vendor lock in to facilitate greater levels of optimization for IT. Key use cases are DR, migration, auto-scaling (bursting), DevOps, and backup. RackWare supports all major cloud providers. The company was founded in 2009 by entrepreneurs with extensive experience delivering enterprise-class products in the server, storage, network, and virtualization markets. With advanced automation and intelligence, RackWare, brings powerful mobility and protection to the data center with little or no intervention. That's why numerous Fortune 500 companies have chosen RackWare to deliver global data center mobility.
Zippia score 4.1
Weee is a Fremont, California-based tech startup that offers an online grocery site and app for Asian specialty products and staples. The company specializes in the fields of eCommerce, grocery delivery, social commerce, retail, and Asian grocery.
Zippia score 3.9
SimpleTherapy offers video-based, head-to-toe exercise therapy programs that target the joint, muscle, tendon, and/or ligament - an affordable, at-home alternative to traditional physical therapy. SimpleTherapy serves people that suffer from chronic pain and don't have enough physical therapy due to a lack of insurance, time, or money. The company has a mission to help people live in a pain-free world. Founded in 2011 and based in Fremont, CA.
Zippia score 3.9
Formation Data Systems, Inc. operates a converged data platform that provides data virtualization solutions. The company helps IT organizations realize transformative benefits from modern storage technology. Currently Formation Data Systems is developing the world's first Converged Data Platform for the enterprise datacenter. The company was incorporated in 2012 and is based in Fremont, California with additional locations in San Francisco, California; and Boulder, Colorado.
Zippia score 3.9
Tala provides security solutions to protect enterprise websites against formjacking, magecart, and advanced attacks. It helps websites and web apps enable a completely secure web experience for users. It has developed a completely agent-less solution that leverages new and powerful web standards such as Content Security Policy (CSP). The solution is fully automated and is compatible with all web technologies. This means that any website could use Tala to protect all of their end-users against web layer attacks, in a matter of minutes. Tala is led by industry veterans and successful entrepreneurs and is backed by VCs, angels and former executives at Symantec, and by the National Science Foundation (NSF).
Zippia score 3.9
Royole Corporation is a developer of proprietary flexible technology designed to produce fully flexible displays (FFD) and sensors (FFS), and a full range of next-generation human-machine interface products, including foldable smartphones and other smart devices.
Zippia score 3.8
Ceterix Orthopaedics, Inc. develops novel surgical tools for arthroscopic procedures. The Ceterix technology enables surgeons to place stitches in very tight joint compartments, while protecting sensitive surrounding structures such as nerves, arteries and cartilage. This technology has applications in numerous arthroscopic procedures in knees, hips and shoulders. Ceterix was established in October 2010. The company was founded based on the inventions of Dr. Justin Saliman, an orthopaedic surgeon specializing in sports medicine. Dr. Saliman envisioned improving the outcomes of arthroscopic procedures by enabling surgeons to place suture patterns that today can be done only in open procedures, if at all. Ceterix is based in Menlo Park, California.
Zippia score 4.5
ThousandEyes empowers businesses to see, understand and improve connected experiences everywhere. The ThousandEyes cloud platform offers unmatched vantage points throughout the global Internet and provides immediate visibility into experience for every user and application over any network, so companies can deliver superior digital experiences, modernize their enterprise WAN, and successfully migrate to the cloud. ThousandEyes is central to the global operations of the world's largest and fastest growing brands, including Comcast, eBay, HP, 100+ of the Global 2000, 60+ of the Fortune 500, 5 of the 6 top US banks, and 20 of the 25 top SaaS companies.
Zippia score 4.3
MOD Super Fast Pizza owns and operates a chain of pizza restaurants in the United States and the United Kingdom. Its restaurants offer pizzas, salads, sides, and beverages. MOD Super Fast Pizza also allows customers to customize their orders. It offers its products through restaurant chains, as well as online. Moreover, MOD Super Fast Pizza franchises its pizza restaurants. Scott and Ally Svenson founded it in 2008, with its headquarters in Bellevue in Washington.
Zippia score 4.2
ChargeItSpot saves consumers from their constantly dying phones with free and secure phone charging stations. This locker-based solution can be found in retail stores, malls, casinos, hospitals, and arenas. In retail stores, it's been independently proven that when people charge, they shop longer, spend significantly more, and become happier customers. Many clients use ChargeItSpot as an out-of-home branding platform to win consumer affinity, increase brand awareness, and collect key consumer data such as opt-in email addresses, mobile numbers, and survey responses. ChargeItSpot charging stations are elegantly designed and can be customized to fit any aesthetic. ChargeItSpot serves clients such as Neiman Marcus, Nordstrom, Under Armour, Uniqlo, Westfield Malls, Caesars Entertainment, Verizon Wireless, Dell, and dozens of other customer-centric brands. Visit ChargeItSpot.com for more info or download the mobile app for ChargeItSpot locations.
Zippia score 4.1
Weee is a Fremont, California-based tech startup that offers an online grocery site and app for Asian specialty products and staples. The company specializes in the fields of eCommerce, grocery delivery, social commerce, retail, and Asian grocery.
Zippia score 4.1
Neuralink is developing the capabilities of the brain through technological augmentation. A "neural lace” would be surgically connected to a human brain and allow a user to interact with a computer without the bandwidth challenges that come with current input methods, including keyboards, mice and trackpads. Neuralink will explore how brain interfaces might alleviate the symptoms of dangerous and chronic medical conditions. Source: TechCrunch
Zippia score 4.1
Maxtena designs and manufactures advanced antenna solutions based on our patented technology - GNSS, Iridium, M2M, IoT, Cellular, UAV, WiFi, and more.
Zippia score 4.0
Rumpl applies technical materials to everyday blankets for indoor and outdoor use.
Zippia score 4.0
Silvercar is the airport car rental experience reimagined for the connected traveler. They put the power back in your hands, enabling you to bypass lines, avoid complexity and frustration, and drive away in a world-class car at a great price. Every time. Their mission is to remake the airport car rental business. They are a team of innovators with exceptional experience from the worlds of automotive, travel, web and mobile technologies. They are passionate in their desire to reinvent the car rental experience from reservation to return. vare committed to delivering the industry's most innovative products, the most professional concierge service, and the finest fleet of cars anywhere. They believe you deserve the best airport car rental experience possible and their promise is to deliver this every time you choose Silvercar.
Zippia score 3.8
ShipBob provides Amazon level logistics to SMBs. Based in Chicago, I.L., ShipBob was founded in 2014 by Divey Gulati and Dhruv Saxena .
Zippia score 3.7
The Wand wine filters effectively remove the agents in wine known to cause side effects, such as headaches and allergic reactions.
Zippia score 3.7
Snapwiz works with publishers to offer a unique learning solution that is personalized, powerful, and accessible everywhere using web, smartphone and tablet. Snapwiz's adaptive learning platform is ideal for rapid learning. It creates a customized course based on students' skills, available time, and what they need to learn to maximize their test scores. Snapwiz isn't just adapted for some: it's adapted for every individual. Snapwiz's platform makes courses available to students when they are on the move. Students can access their study plans and course material on the web, on their smart phone, or on their tablet, anywhere and anytime. Snapwiz utilizes learning tools such as computer adaptive quizzes, entertaining video lessons, step-by-step problem solving videos, virtual flash cards, and other stimulating activities to transform passive content into an interactive and engaging learning content.
Zippia score 3.7
Omnitrol pioneered the EASE-V8 IoT event-driven application platform. Our unique software architecture delivers distributed cloud-to-edge real-time asset and operational intelligence integrating IoT smart devices, RFID, sensors and SCADA controls. Our open micro-services architecture is highly scalable and extensible to meet the challenging requirements of mission-critical production environments. Omnitrol has successfully deployed industrial IoT solutions to improve productivity, efficiency and traceability for leading enterprises in aerospace & defense, manufacturing, logistics, waste management, libraries and retail. Our Traceability as a Service (TaaS) solution is certified and available on the Oracle Cloud or as an on premise solution. TaaS provides a complete IoT intelligent global track and trace (GTT) solution for any type of assets within and between trading partner supply-chains. Our IoT platform and solutions have been acclaimed as the industry's best IoT platfrom by Fortune 100 customers and leading industry analysts and has received multiple awards from Frost & Sullivan, Gartner, Managing Automation, M2M, Insights Success and more.
Zippia score 3.6
At Lotsa Helping Hands we envision a world where everyone can give and receive help through the power of community. Our service brings together caregivers and volunteers through online Communities that organize daily life during times of medical crisis or caregiver exhaustion in neighborhoods and communities worldwide. Caregivers benefit from the gifts of much needed help, emotional support, and peace of mind, while volunteers find meaning in giving back to those in need. To date, nearly one million Members have lent a hand through a Lotsa Helping Hands Community and more than 50 national nonprofit organizations partner with Lotsa to support caregivers. Lotsa Helping Hands also offers both customized, private-label versions of its service to organizations in many different industries, as well as opportunities for sponsorship and affiliate marketing programs. For more information about Lotsa Helping Hands,
Zippia score 3.4
Zoox is a California based robotics company founded by Tim Kentley-Klay and Dr. Jesse Levinson to create autonomous mobility. Operating at the intersection of design, computer science, and electro-mechanical engineering, Zoox is a multidisciplinary team working to imagine and build an advanced mobility experience that will support the future needs of urban mobility for both people and the environment.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Optovue | |
| 2 | Attivo Networks | |
| 3 | Soraa, Inc. | |
| 4 | Think Surgical | |
| 5 | Renovite Technologies | |
| 6 | Spin Memory | |
| 7 | GlassPoint | |
| 8 | Privacera | |
| 9 | AGNITY | |
| 10 | Excelfore | |
| 11 | Nextracker | |
| 12 | Greenergy Group | |
| 13 | Laiki | |
| 14 | RackWare | |
| 15 | Weee | |
| 16 | SimpleTherapy | |
| 17 | Formation Data Systems | |
| 18 | Tala Security | |
| 19 | Royole | |
| 20 | Ceterix Orthopaedics |