Top Tech Startups in Northern California in 2027
997 results total - Page 2 of 100

Calm
Actively Hiring
- B2C
- Scale StageRapidly increasing operations
- Top InvestorsThis company has received a significant amount of investment from top investors
- Valuation $1B+This company has a valuation of $1B or more
- 4.4Highly ratedCalm is highly rated on Glassdoor, with 4.4 out of 5 stars
- 4.8Work / Life BalanceEmployees rate Calm 4.8/5 on Glassdoor for work / life balance
- 4.8Strong LeadershipEmployees rate Calm 4.8/5 on Glassdoor for faith in leadership
- Website
- http://www.calm.com
- Employees
- 201-500
- Locations
- San Francisco
Calm is the leading mental wellness brand with the #1 App for Sleep, Meditation and Relaxation™, designed to help you manage stress, sleep better and live a happier, healthier life. With hundreds of hours of original audio content available in seven languages, Calm supports users in more than 190 countries. Apple’s 2017 iPhone App of the Year and one of Fast Company’s Most Innovative Companies of 2020, Calm boasts over 100 million downloads to date, with more than 4 million paying members.
- Industries
Jobs
- B2B
- Scale StageRapidly increasing operations
- Top InvestorsThis company has received a significant amount of investment from top investors
- YC FundedStartup funded by Y Combinator
- Valuation $500M+This company has a valuation of $500M or more
- 4.6Highly ratedClever is highly rated on Glassdoor, with 4.6 out of 5 stars
- 4.5Work / Life BalanceEmployees rate Clever 4.5/5 on Glassdoor for work / life balance
- 4.4Strong LeadershipEmployees rate Clever 4.4/5 on Glassdoor for faith in leadership
- Website
- https://clever.com
- Employees
- 51-200
- Locations
- Durham, San Francisco, Remote
Founded by educators and technologists passionate about improving education, Clever is on a mission to unlock new ways to learn for all students. Already used by more than 60% of U.S. K-12 schools, Clever brings all applications into one secure portal and provides single sign-on for everyone. With the leading network of digital learning providers, Clever makes school more engaging, personalized, and fun.
- Industries
- Application PlatformsK-12 Education
Jobs

Labelbox
Actively Hiring
- B2B
- Scale StageRapidly increasing operations
- Top InvestorsThis company has received a significant amount of investment from top investors
- Valuation $500M+This company has a valuation of $500M or more
- 5.0Highly ratedLabelbox is highly rated on Glassdoor, with 5.0 out of 5 stars
- 4.7Work / Life BalanceEmployees rate Labelbox 4.7/5 on Glassdoor for work / life balance
- 5.0Strong LeadershipEmployees rate Labelbox 5.0/5 on Glassdoor for faith in leadership
- Website
- https://labelbox.com/
- Employees
- 51-200
- Locations
- San Francisco, Warsaw
Labelbox is the leading data-centric AI platform for building intelligent applications. Teams looking to capitalize on the latest advances in generative AI and LLMs use the Labelbox platform to inject these systems with the right degree of human supervision and automation. Whether they are building AI products with custom or foundation models, or using AI to automate data tasks or find business insights, Labelbox enables teams to do so effectively and quickly. The platform is used by Fortune 500 enterprises such as Walmart, P&G, Genentech, and Adobe, and hundreds of leading AI teams. Labelbox is backed by leading investors including SoftBank, Andreessen Horowitz, B Capital, Gradient Ventures (Google's AI-focused fund), and Databricks Ventures.
- Industries
Jobs
- B2B
- Growth StageExpanding market presence
- Top InvestorsThis company has received a significant amount of investment from top investors
- YC FundedStartup funded by Y Combinator
- 4.3Highly ratedMattermost is highly rated on Glassdoor, with 4.3 out of 5 stars
- 4.1Work / Life BalanceEmployees rate Mattermost 4.1/5 on Glassdoor for work / life balance
- 4.2Strong LeadershipEmployees rate Mattermost 4.2/5 on Glassdoor for faith in leadership
- Website
- https://mattermost.com/
- Employees
- 51-200
- Locations
- San Francisco, Palo Alto
Since our very first day in 2015, mattermost has never wavered on its goal to transform the enterprise collaboration market by delivering the most compelling open source, high-trust messaging tools for security-conscious enterprises and developers. we’ve grown from our very first customer to thousands of companies downloading our messaging platform every month.
- Industries
Jobs

Zerocater
Actively Hiring
- Top 10% of respondersZerocater is in the top 10% of companies in terms of response time to applications
- Responds within a weekBased on past data, Zerocater usually responds to incoming applications within a week
- B2B
- Growth StageExpanding market presence
- Top InvestorsThis company has received a significant amount of investment from top investors
- YC FundedStartup funded by Y Combinator
- Website
- https://zerocater.com
- Employees
- 51-200
- Locations
- Atlanta, Austin, Boston, Chicago, Los Angeles, New York City, Washington DC, San Francisco, New York, Bangalore Urban
Zerocater builds revolutionary corporate catering and cafeteria solutions employees love while saving companies millions of dollars as they transition to the hybrid workplace. With its Cloud Cafe, Hybrid Cafe, Managed Cafe, and Event Cafe products; Zerocater has built corporate cafeteria and office catering programs for companies of all sizes from growing startups to the Fortune 500. Thousands of companies like TikTok, Datadog, Airtable, and McKinsey choose Zerocater for the customized, consistent, and diverse meal experiences its products offer, while also reducing costs by giving companies the flexibility to only pay for the employees who come into the office. Zerocater currently offers its corporate cafeteria and office catering products in the San Francisco Bay Area, New York, Chicago, Los Angeles, Boston, Austin, Denver, Seattle, and Washington D.C. with additional markets in the U.S. and Canada coming online every month. Since completing YCombinator in Winter 2011, Zerocater has raised $38.5M from leading investors including Cleveland Avenue, Remus Capital, Romulus Capital, Struck Capital, SV Angel, Keith Rabois, Yuri Milner, Paul Buchheit, and Justin Kan. For more information visit zerocater.com and follow @Zerocater on Facebook, Instagram, Linkedin, and Twitter. Check out our company profile on Workatastartup: workatastartup.com/directory/171
- Industries
- Small and Medium BusinessesCatering
Jobs
- Responds within two weeksBased on past data, Motive usually responds to incoming applications within two weeks
- B2B
- Scale StageRapidly increasing operations
- Top InvestorsThis company has received a significant amount of investment from top investors
- Valuation $1B+This company has a valuation of $1B or more
- 4.5Highly ratedMotive is highly rated on Glassdoor, with 4.5 out of 5 stars
- 4.3Strong LeadershipEmployees rate Motive 4.3/5 on Glassdoor for faith in leadership
- Website
- http://gomotive.com
- Employees
- 1001-5000
- Locations
- San Francisco, Nashville, Costa Mesa, Buffalo
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.
- Industries
- Artificial Intelligence / Machine LearningB2B · SaaS · Mobile · Artificial Intelligence / Machine Learning
Jobs
- Top 10% of respondersPadlet is in the top 10% of companies in terms of response time to applications
- Responds within a weekBased on past data, Padlet usually responds to incoming applications within a week
- B2C
- Growth StageExpanding market presence
- Top InvestorsThis company has received a significant amount of investment from top investors
- YC FundedStartup funded by Y Combinator
- Website
- http://padlet.com
- Employees
- 51-200
- Locations
- Singapore, San Francisco
Every child in the world will grow up with Mickey Mouse and Padlet. That's our vision. We are making the default way of collecting and sharing thoughts on the Internet. Our members love the software. We have over 50 million active users making Padlet one of the most used apps on the planet. Our goal is to be THE the most used app on the planet. We are venture backed AND profitable. We are 35 people (plus a baby crane that we've adopted but it doesn't really do much). That's 2 million active users per employee. Some really badass people work here.
- Industries
- Web Browsers
Jobs
- Top 10% of respondersModern Treasury is in the top 10% of companies in terms of response time to applications
- Responds within two weeksBased on past data, Modern Treasury usually responds to incoming applications within two weeks
- B2B
- Growth StageExpanding market presence
- Top InvestorsThis company has received a significant amount of investment from top investors
- YC FundedStartup funded by Y Combinator
- Valuation $1B+This company has a valuation of $1B or more
- Employees
- 51-200
- Locations
- San Francisco, New York, Remote
Modern Treasury builds payment operations software for high-growth companies. Our API and app modernize payment operations for disruptive companies building products that move and track money—think: rideshare marketplaces, digital wallet, fiat-crypto onramps—providing tools that help them grow faster. Enabling real-time payments, automatic reconciliation, continuous accounting, and compliance solutions, Modern Treasury’s platform is used to reconcile over three billion dollars per month. Founded in 2018, San Francisco-based Modern Treasury is backed by Benchmark, Altimeter, SVB Capital, Salesforce Ventures, NewView Capital, and Y Combinator.
- Industries
Jobs

Smartly.io
Actively Hiring
- Top 5% of respondersSmartly.io is in the top 5% of companies in terms of response time to applications
- Responds within a few daysBased on past data, Smartly.io usually responds to incoming applications within a few days
- Scale StageRapidly increasing operations
- 4.7Highly ratedSmartly.io is highly rated on Glassdoor, with 4.7 out of 5 stars
- 4.6Work / Life BalanceEmployees rate Smartly.io 4.6/5 on Glassdoor for work / life balance
- 4.4Strong LeadershipEmployees rate Smartly.io 4.4/5 on Glassdoor for faith in leadership
- Website
- http://smartly.io
- Employees
- 501-1000
Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers. Our comprehensive advertising platform seamlessly integrates the capabilities of media, creative, and intelligence to power more than 800 billion impressions and generate more than 300 billion creatives annually, delivering tangible business outcomes for brands and advertisers. Smartly is the only company in the industry recognized as a Leader in The Forrester Wave: Creative Advertising Technologies with PwC validating the results it delivers for brands. We manage creative and media for 700+ brands worldwide and $6B in ad spend across the largest media platforms, including Facebook, Google, Instagram, Pinterest, Snap, and TikTok. Our end-to-end technology, unmatched access to media platforms and exceptional customer service help Fortune 500 brands to reach and engage consumers and learn what performs best.Smartly is a multinational and diverse team of 750+ Smartlies from 60+ nationalities, working in 13 countries. Together, we want to create and maintain an inclusive environment where everyone feels respected and heard. Our Diversity, Equity & Inclusion approach is at the heart of it.
- Industries
- Ad TargetingSocial Media Advertising
Jobs

C3 AI
Actively Hiring
- Responds within three weeksBased on past data, C3 AI usually responds to incoming applications within three weeks
- B2B
- Public StagePublicly traded company
- Top InvestorsThis company has received a significant amount of investment from top investors
- 4.8Highly ratedC3 AI is highly rated on Glassdoor, with 4.8 out of 5 stars
- 4.8Strong LeadershipEmployees rate C3 AI 4.8/5 on Glassdoor for faith in leadership
- Website
- https://c3.ai
- Employees
- 501-1000
- Locations
- Paris, Sydney, Redwood City, Roma
C3.ai is a leading enterprise AI software provider for accelerating digital transformation. The proven C3 AI Suite provides the comprehensive services to build enterprise scale AI applications 40x to 100x faster than alternative approaches. The core of the C3 AI Suite is a revolutionary, extensible, model-driven abstraction layer that dramatically enhances data scientist and application developer productivity. The C3 AI Suite supports any value chain in any industry with pre-built, configurable, high-value AI applications for predictive maintenance, fraud detection, sensor network health, supply network optimization, energy management, anti-money laundering, and customer engagement. c3.ai
- Industries
- Application PlatformsArtificial Intelligence / Machine Learning
Jobs
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