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Top Tech Companies in San Francisco, California (7,819)

Consumer Web • eCommerce • Marketing Tech • Retail • Software • Analytics • Generative AI
6 Offices
2,000 Employees

Klaviyo (NYSE: KVYO) is the only CRM built for B2C brands. Powered by its built-in data platform and AI insights, 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 relationship-driven brands like Mattel, Glossier, Core Power Yoga, Daily Harvest and 167,000+ others deliver 1:1 experiences at scale, improve efficiency, and drive revenue.


Fintech • Payments
9 Offices
59 Employees

Moov is a payments infrastructure platform making it easy to accept, store, send, and spend money all from a single, elegantly-designed API. Instead of stitching together multiple vendors, software companies simply add Moov to their products to get the latest in payment technology, user onboarding, licensing, compliance, and more.

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Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
19 Offices
40,000 Employees

Improving the future and protecting lives is an ambitious mission, but it’s what we do. As a leading aerospace, defense, and security company, we work together to deliver a full range of products and services for air, land, space, and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. How we work is rooted in purpose – a purpose to protect those who protect us, to unite our community of colleagues and customers, and to drive forward the growth and development of our exceptional team members. It's where purpose connects.


AdTech • Digital Media • Machine Learning • Marketing Tech • Software • Travel • Hospitality
3 Offices
396 Employees

Sojern is built on more than a decade of expertise analyzing the complete traveler path to purchase. We drive travelers from dream to destination by activating multi-channel branding and performance solutions on the Sojern Traveler Platform for more than 10,000 travel companies around the globe.


Artificial Intelligence • Cloud • Internet of Things • Machine Learning • Analytics • Industrial
8 Offices
69,000 Employees

Life can’t evolve without innovation. That’s why we’re ideating to help feed the planet, build smarter, and help our farmers and growers to sustainably optimize their land. The mission is underway, but we need the right people to continue bringing it to life. From coders to assemblers and from engineers and tech experts to marketers and field teams. All find a purpose to drive them, a culture to thrive in, and a world of opportunities.


Consumer Web • Enterprise Web • Mobile • Productivity • Software
Fully Remote, USA
116 Employees

We rebuilt the inbox from the ground up to make you brilliant at what you do. We specifically designed it for those of you who want the best. Superhuman is gorgeous. Blazingly fast. And comes with advanced features that make you feel superhuman. Superhuman is so fast, delightful, and intelligent — you’ll feel like you have superpowers.


Cloud • Information Technology • Machine Learning
6 Offices
1,000 Employees

CoreWeave, the AI Hyperscaler™, delivers a cloud platform of cutting-edge software powering the next wave of AI. The company's technology provides enterprises and leading AI labs with cloud solutions for accelerated computing. Since 2017, CoreWeave has operated a growing footprint of data centers across the US and Europe. CoreWeave was ranked as one of the TIME100 most influential companies and featured on Forbes Cloud 100 ranking in 2024. Learn more at www.coreweave.com.


Cloud • Fintech • Software • Business Intelligence • Consulting • Financial Services
9 Offices
3,300 Employees

Wipfli is an advisory firm that delivers holistic solutions to help clients navigate the modern marketplace, optimize performance and drive growth. Our more than 3,300 associates deliver digital, people, strategy, risk, financial and outsourcing solutions to 55,900+ clients.


eCommerce • Food • Software
3 Offices
3,000 Employees

Instacart, the leading grocery technology company in North America, works with grocers and retailers to transform how people shop. The company partners with more than 1,500 national, regional, and local retail banners to facilitate online shopping, delivery and pickup services from more than 85,000 stores across North America on the Instacart Marketplace. Instacart makes it possible for millions of people to get the groceries they need from the retailers they love, and for approximately 600,000 Instacart shoppers to earn by picking, packing and delivering orders on their own flexible schedule.


Artificial Intelligence • Big Data • Healthtech • Machine Learning • Analytics • Biotech
6 Offices
2,482 Employees

Tempus is a technology company advancing precision medicine through the practical application of artificial intelligence in healthcare. With one of the world’s largest libraries of clinical and molecular data, and an operating system to make that data accessible and useful, Tempus enables physicians to make near real-time, data-driven decisions to deliver personalized patient care and in parallel facilitates discovery, development and delivery of optimal therapeutics. The goal is for each patient to benefit from the treatment of others who came before by providing physicians with tools that learn as the company gathers more data. For more information, visit tempus.com.


Fintech • Mobile • Payments • Social Impact • Financial Services
2 Offices
90 Employees

At January, we bring humanity to consumer finance. Using data intelligence, we create trust and deliver better outcomes for consumers and creditors alike. Our mission is simple: expand access to credit while empowering consumers to achieve lasting stability and control of their financial lives. We began by building the foundation for creditors to engage with and support their borrowers at scale across the entire debt lifecycle. We’ve mastered outsourced collections by combining best-in-class performance with differentiated consumer satisfaction and superior compliance.  And we’re just getting started. Together, we’re creating a financial system where trust and opportunity spark lasting change in people’s lives.


Big Data • Information Technology • Productivity • Software • Analytics • Business Intelligence • Consulting
17 Offices
3,000 Employees

With over 5,000 enterprise customer deployments across nearly every industry, the Celonis Process Intelligence Platform uses process mining and AI to give you a living digital twin of your business operation. It’s system-agnostic and without bias, and empowers companies to reduce waste, create value and benefit people across the top, bottom, and green lines. Since 2011, the Celonis platform has enabled its customers to identify more than $18 billion in value. Celonis is headquartered in Munich, Germany, and New York City, USA, with more than 20 offices worldwide.


Fintech • Software • Financial Services
2 Offices
65 Employees

Opto Investments is a technology firm changing the way fiduciaries experience private markets. Opto partners with advisors, CIOs, and other fiduciaries to solve the challenges of building and distributing customized private markets solutions at scale. We bring all of Opto to our partnerships and provide hands-on support as required across our partners’ private markets programs. We build funds to fiduciaries’ exact specifications in terms of asset class and structure. We also provide a branded investment platform with intelligent workflows that simplifies the private markets investment process, minimizes paperwork, saves time, and creates better advisor and client experiences.


AdTech • Artificial Intelligence • Big Data • Machine Learning • Business Intelligence
San Francisco, California, USA
200 Employees

Publica is a leading Connected TV (CTV) ad platform and works with many of the world's biggest broadcasters, TV manufacturers, and OTT apps. Headquartered in Palo Alto, Publica provides solutions for publishers to maximize their revenue across their CTV inventory through key solutions including a Unified Auction, Ad Pod Management, Audience Management, and Server-Side Ad Insertion (SSAI). The Publica platform allows publishers to create more advanced CTV ad breaks, run a unified auction and provide the data we needed to grow our streaming advertising revenues in a controlled and transparent way. Publica serves over 3 billion ads on CTV every month, delivering quality ad experiences for Crunchyroll, E. W. Scripps, Fox, IGN, MLB, Philo, Samsung, ViacomCBS, XUMO, and more. Publica is owned by Integral Ad Science (Nasdaq: IAS), a global leader in digital media quality.


Fintech • Marketing Tech • Professional Services • Financial Services
3 Offices
2,300 Employees

Formally known as Freedom Financial Network, Achieve launched in 2022 as the leading digital personal finance company helping everyday people get on, and stay on, the path to a better financial future. Achieve delivers personalized financial solutions for real people through intelligent technology and an empathetic human touch. From the single parent trying to buy a home to the overworked employee drowning in debt, we provide innovative solutions, budgeting tools, and education to help them move from surviving to thriving. We put our members first by coaching them through their financial health journey to understand what’s working for them and what’s not. Our tailored approach is designed to meet everyone where they are in life because they’re more than just a credit score. Our people make the biggest difference. With more than 2,300 teammates between California, Arizona, and Texas, everyone collaborates together to make an impact towards our mission; to empower everyday people to move forward on a path to a better financial future. We’re committed to fostering an environment where everyone can belong, while giving their true authentic selves a place to shine. Whether you’re in sales, member support, engineering, product design, IT or any of our other exciting roles, you’ll join a team passionate about serving our members and embracing our core values every day: Care (For everyone) Get Better (Every day) Act With Integrity (Every time) Collaborate (With everyone)


Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
9 Offices
2,800 Employees

Samsara is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations. With tens of thousands of customers across North America and Europe, Samsara is a proud technology partner to the people who keep our global economy running, including the world’s leading organizations across construction, transportation and warehousing, field services, manufacturing, retail, logistics, and public sector. The company’s mission is to increase the safety, efficiency, and sustainability of the operations that power the global economy.


AdTech • Artificial Intelligence • Digital Media • Marketing Tech • Social Media • Software • Generative AI
8 Offices
805 Employees

We solve for advertising campaign and creative complexities - both key elements to the time/money savings and performance that brands, agencies and businesses seek. Our unified platform combines media, creative, and intelligence, offering end-to-end workflows powered by AI across the open and closed web. With over 700 brands and advertisers, we've proven that dynamic and personalized creative makes advertising impactful. We are on a mission to transform the advertising experience for brands and their consumers. ⚡️


eCommerce • Information Technology • On-Demand • Professional Services • Software
4 Offices
1,400 Employees

We’re Thumbtack, a technology company helping millions of people confidently care for and improve their homes. Our homeowners get personalized guidance on what to do and when to do it as well as who to hire from our growing community of 300,000 local service businesses. Every day in every county of the U.S., people turn to Thumbtack to complete small fixes, routine maintenance, and major improvements. With 12 million 5-star projects and counting, we empower homeowners to take control and local businesses to grow.


Cloud • Security • Software • Cybersecurity • Automation
2 Offices
2,350 Employees

GitLab is an open core software company that develops the most comprehensive DevSecOps Platform used by more than 100,000 organizations. Our mission makes it clear that we believe in a world where everyone can contribute. We make that possible at GitLab by running our operations on our product and staying aligned with our values. We strive to create a transparent environment where all team members around the world feel that their voices are heard and welcomed. We also aim to be a place where people can show up as their full selves each day and contribute their best.


Fintech • HR Tech
4 Offices
2,674 Employees

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 300,000 businesses. 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.


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