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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
Tesorio is the cash flow performance platform, which Accounts Receivable, Treasury, and FP&A teams use to manage, predict, and collect cash. Its AI processes over $30 billion in transactions each year for companies ranging from 50 to 10,000 employees. Tesorio serves customers around the globe with AR automation and cash flow forecasting, across verticals including software, manufacturing, retail, finance, and pharmaceuticals.Customers include Box, Veeva Systems, WP Engine, Currency Cloud, Instructure and many other publicly traded and privately held companies that care about cash flow performance.
Zippia score 4.4
Cala Health is a bioelectronic medicine company transforming the standard of care for chronic disease. The company's wearable neuromodulation therapies merge innovations in neuroscience and technology to deliver individualized peripheral nerve stimulation. The first indication for Cala Health's wearable therapy is an essential tremor, a disease experienced by more than seven million people and characterized by severe hand tremors. New therapies are under development in neurology, cardiology, and psychiatry. The company is headquartered in the San Francisco Bay Area and backed by leading investors in both healthcare and technology.
Zippia score 4.4
Apexigen is a clinical-stage biopharmaceutical company discovering and developing innovative immuno-oncology therapeutics generated by APXiMAB™, the Company's proprietary antibody drug discovery platform.
Zippia score 4.4
Booster brings fuel directly to customers for the same price as a gas station. Booster is the gas station reinvented. It's a gas station that comes directly to the offices parking spots, saving them time, money, and the same price as the traditional gas station. Booster provides high-quality gas at competitive prices with free same-day delivery. Booster is offered at hundreds of companies, office parks, and university campuses, as well as to commercial fleets in the San Francisco Bay, Orange County, El Segundo, Newport Beach, and Greater Dallas-Fort Worth areas. Many of the Fortune 100 companies offer Booster to their employees. In addition to offering fuel for consumers, Booster also services hundreds of fleets, coming to yards at night while the fleets are off-duty and saving fleet managers an average of $1500 per vehicle annually. The company has raised more than $88 million in funding from such venture capital firms as Invus Opportunities, Conversion Capital, Maveron, Madrona Venture Group, Version One, Stanford-StartX, and Perot Jain LP.
Zippia score 4.3
Aperia Technologies is the developer of automatic tire-inflation technologies designed to improve fuel economy and road safety while reducing tire expenditures and driver downtime for commercial fleets.
Zippia score 4.3
At TenMarks, we believe that students learn best when they're engaged, nurtured, and motivated, and that teachers are key to improving math achievement. Founded in 2009, to help maximize teacher effectiveness in the classroom and to make their lives easier, we've created a web-based learning environment that simplifies assignments, automates grading, and drives student learning through engaging videos and interactive lessons. With headquarters located in Burlingame, CA, TenMarks is used by students across 25,000 schools and 7,000 districts. Each day, students in all 50 states use TenMarks to solve millions of math problems, improving their math skills and confidence. TenMarks aims to positively impact the lives of over 20 million students by 2016. TenMarks has just launched the most robust online adaptive math program for practice, instruction, assessment, and intervention, EVER - one that helps teachers reinforce classroom instruction, easily assess, grade and intervene based on CCSS learning trajectories, and drive automated differentiation. Completely redesigned from the ground up and built for Common Core Math Standards.
Zippia score 4.2
Sentient Energy equips the Smart Grid with “Eyes and Ears”, making it much more reliable and sustainable. Their monitoring systems give utility unique and detailed insight into operating status and fault conditions along the entire distribution grid downstream from the substation. Deployed on top of utility Advanced Metering Infrastructure (AMI) or Distribution Automation (DA) communications networks, their products leverage the foundational capital invested into the Smart Grid, making it more valuable and increasing Smart Grid investment returns. Privately held, Sentient Energy is headquartered in Burlingame, California.
Zippia score 4.2
Manage access to any server, database, or Kubernetes instance in minutes. Fully auditable, replayable, secure, and drag-and-drop easy.
Zippia score 4.1
Imply transforms how businesses run by integrating real-time analytics into their operations and provides a cloud-native solution that delivers real time ingestion, interactive ad-hoc queries, and intuitive visualizations for many types of event-driven and streaming data flows.
Zippia score 4.1
Lyra helps companies improve access to effective, high-quality mental health care for their employees. The company's matching technology and innovative digital platform connect members to a curated network of top therapists and coaches, which results in 3x more people receiving care and 7x better outcomes than traditional plans and EAPs. Members can find the right personalized care, match with the right provider for their needs, and feel motivated and supported throughout the entire treatment journey.
Zippia score 4.1
Inflammatix develops a novel molecular diagnostics for acute infections and sepsis that work by 'reading' the immune system. It is a molecular diagnostics company developing rapid tests that read the immune system to resolve major clinical and public health challenges. They are initially focused on developing tests for acute bacterial and viral infections, and sepsis based on patent-pending biomarkers exclusively licensed from Stanford University. The company was founded by Timothy Sweeney and Jonathan Romanowsky in California.
Zippia score 4.1
Trace Genomics has developed the first analytics engine that learns as it maps the living soil. Founded in 2015 to serve the farming community, Trace Genomics helps agronomists and their growers maximize the value of every acre. The company is building the largest, most actionable body of soil intelligence, making agronomists and their growers experts on what's underground. Working collaboratively across the agriculture ecosystem, Trace Genomics helps optimize costs, manage risk and protect soil as a capital asset. Headquartered in Silicon Valley-Trace Genomics has raised $22.5 million in financing.
Zippia score 3.9
Ruby Ribbon is a new social commerce apparel company, supported by a nationwide network of independent personal Stylists . With cutting edge fabrics and forward thinking designs, the company has produced a unique line of fashionable wardrobe basics, sold exclusively through in-home Trunk Shows. Stylists, armed with mobile applications and other trending technologies, are able to build their own independent businesses while drawing inspiration from Ruby Ribbon's core beliefs: entrepreneurship, friendship and camaraderie. Founded in 2011 with an early stage investment from Trinity Partners, Ruby Ribbon is based in Burlingame, CA and New York City.
Zippia score 3.9
Affordable concierge-style kitchen management for your office. Providing kitchen design, tasty & nutritious foods, and catering to support your workforce
Zippia score 3.9
Stellar is reimagining and revolutionizing the business aviation industry with a suite of integrated, cloud-based applications. The Stellar solution is simple enough for single-aircraft operations, yet comprehensive and robust enough to handle the most complex operations with large fleets and multiple bases.
Zippia score 3.8
Tugboat Logic is the virtual CISO platform for the enterprise. Unlike traditional GRC platforms designed for large enterprises, only Tugboat Logic provides an automated framework to demystify the process of setting up a security program. With Tugboat Logic, enterprises can quickly get secure and prove it to customers. Powered by artificial intelligence, Tugboat Logic's patent-pending technology automates information security policy creation, gap assessment and RFP response so enterprises can gain trust with customers and sell more. Tugboat Logic helps respond to RFPs up to 45% faster and increases sales win rate by up to 300%. Tugboat Logic is a cloud-based subscription service, available in either annual or monthly licenses, starting at $900 per month. Free 14 day trial available. The company uses intelligent automation to simplify compliance, drive employee security awareness and reduce friction in enterprise sales operations.
Zippia score 3.8
Talent Alpha is an enterprise level Human Cloud Platform that offers access to the best in class technical talent, as a service. As a marketplace, we connect global enterprises struggling with closing the ‘tech talent gap' with small & medium size software houses in Europe. Syndicating niche and very focused organizations, we can provide a wide range of IT services, meeting the most challenging demands for technology expertise and talent. Our platform allows bias-free matching of IT talent with projects, thanks to the AI engine that builds a comprehensive profile of every professional in the network, allowing a deterministic match with the right project and team. Our vision is to create the largest European software house without (hardly) any software engineers on the payroll. We are unlocking the brainpower of over 700K software engineers who work at these small organizations to prove their skills on the enterprise level projects.
Zippia score 3.7
The Platform for collaborative business process management of NotifyMe, helps companies to collaborate more efficiently with their supply chain through process digitalization.
Zippia score 3.7
Whipcord is a high performance IT services company that specializes in colocation, cloud and disaster recovery.
Zippia score 3.7
Mobjoy is a mobile game developer and publisher, who focuses on casual games for multiple platforms. The company is also developing Gameverse, a social and product discoverability platform for mobile gamers.
Zippia score 4.3
Tamr developed a data-integrated platform that uses machine learning supplemented with customers' knowledge to unify and prepare data across myriad silos to deliver previously unavailable business-changing insights.
Zippia score 4.2
NowRx is a mobile and logistics-enabled, on-demand pharmacy that delivers prescriptions directly to the customer, either same-day for free or within one-hour for a $5 service fee. Rather than just another “Uber for X”, NowRx is a vertically integrated, full-stack solution that provides superior customer experience while generating positive unit economics. NowRx is a full-service pharmacy operation, replacing costly retail pharmacy locations with efficient, centralized dispensing locations, a mobile app, and a fleet of employed drivers. In addition to better convenience for customers, benefits include increased likelihood of timely prescription fills, reminders throughout the day to encourage medication compliance, fewer missed refills, and ultimately better health outcomes. For employers, NowRx can improve worker productivity by eliminating time employees spend off-campus having prescriptions filled and reduce overall health plan costs through better medication compliance. Since launching in December 2015, NowRx has been growing prescription volume by 15% month-over-month, consistently receiving 5-star ratings from its customers and is recommended by local area physicians, hospitals, and surgery centers.
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
FundersClub focuses on Seed and early stage investments. Investments include Coinbase, Instacart, Flexport, Le Tote, Teespring, Memebox, GitLab. FundersClub is the world's first online venture capital platform. Backed by Y Combinator, First Round Capital, Spark Capital, Intel Capital, Draper, Andreessen Horowitz, Felicis Ventures, and more; FundersClub Inc. was founded in 2012 and is based in the United States.
Zippia score 3.9
We ship 99% assembled. PUBLIC Bikes designs the best bike for city and commuter riding. On sale now!
Zippia score 3.9
Boba Guys serves the highest quality boba milk tea in the world.
Zippia score 3.9
Asian Box is a Vietnamese scratch kitchen made with fresh, real ingredients. 100% Gluten free. Order ahead, online or via our app. Join our loyalty program and start earning points for free offers today.
Zippia score 3.9
Stellar is reimagining and revolutionizing the business aviation industry with a suite of integrated, cloud-based applications. The Stellar solution is simple enough for single-aircraft operations, yet comprehensive and robust enough to handle the most complex operations with large fleets and multiple bases.
Zippia score 3.8
Lovepop creates unique, laser-cut pop-up cards that unfolds like a miniature surprise. The company sells 3D pop-up greeting cards for every occasion and works with retailers, businesses, and event hosts to make their message pop on custom orders. The company helps customers build and strengthen personal relationships that go beyond the connections common in a hectic, digital world. Lovepop was founded on 2014 and is headquartered in Boston, Massachusetts.
Zippia score 3.8
Drunk Elephant Skin Care is a line that is clinical in its effectiveness and low-hazard in its composition. Our products work not only because of what's in them, but also because of what's not. We have left out all of the irritants, allergens, fillers and dyes/colorants that typically get in the way of the beneficial ingredients that we as consumers are paying for, resulting in products that deliver visible results for all skin types.
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
Try our premium cold-pressed juices, cleanses, hydration drinks and Freeze dessert. Order online or visit one of our juice bar locations nationwide.
Zippia score 3.7
SciBac is a developer of biotherapeutics intended to treat antibiotic diseases.The company's technology improves beneficial microorganisms using a patented MERGE platform that uses a type of directed evolution to increase therapeutic efficacy. Its first two therapeutics treat chronic infections in cystic fibrosis for Pseudomonas, Staph, Burkholderia, and NTM.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Tesorio | |
| 2 | Cala Health | |
| 3 | Apexigen | |
| 4 | Booster Fuels | |
| 5 | Aperia Technologies | |
| 6 | TenMarks Education | |
| 7 | Sentient Energy | |
| 8 | strongDM | |
| 9 | Imply | |
| 10 | Lyra Health | |
| 11 | Inflammatix | |
| 12 | Trace Genomics | |
| 13 | Ruby Ribbon | |
| 14 | garten | |
| 15 | Stellar Labs | |
| 16 | Tugboat Logic | |
| 17 | Talent Alpha | |
| 18 | NotifyMe | |
| 19 | Whipcord | |
| 20 | Mobjoy |