Top Tech Companies and Startups in Silicon Valley

sv companies

Silicon Valley, the land of tech dreams and startup wonders, is home to a plethora of cool companies that rock the tech world. Located in the San Francisco Bay Area, it’s the global leader for high-tech innovation and the home of the world’s largest tech companies where such companies as Apple Inc., Microsoft Corporation, and Meta Platforms Inc., are headquartered.

The technology sector here is diverse, featuring companies that specialize in areas ranging from personal computers to cloud computing to artificial intelligence. With its top-notch business infrastructure, a pool of talented techies, and a culture that breeds success, it’s no wonder why startups flock to this bustling hub of innovation. Think of it as the “City of Geeks” – where every coder’s dream comes true!

But the Bay Area isn’t just about big names. It’s also a breeding ground for startups that are sprouting like mushrooms after the rain. More than 37 Silicon Valley companies have made it to the prestigious Fortune 500 list (7.4%), while thousands of startups are sowing the seeds of the next tech revolution. It’s like a massive garden of tech creativity!

Let’s dive into this world and explore the leading and emerging players in the industry.

Table of Contents

Why is Silicon Valley Known as a Startup Mecca?

Silicon Valley has earned its reputation as a startup mecca, boasting a vibrant ecosystem that fosters innovation and entrepreneurial spirit. The region is teeming with top tech companies and startups that have left an indelible mark on the world. With Stanford University and major VC firms nearby, California provides unparalleled access to tech talent, investors, and resources. The culture embraces risk-taking and developing groundbreaking new technologies. Successful founders reinvest back into the community.

Top 10 Tech Companies in Silicon Valley You Should Know

These top tech companies in Bay Area are the giants that dominate the global tech landscape, constantly pushing the boundaries of innovation.

TitleDetailsKnown For
#1. Apple Inc (NASDAQ: AAPL)Link: Location: Cupertino, CA
Market Cap: $2.25T
Among the top Bay Area companies, the American multinational technology company, Apple, is a household name. They've taken consumer electronics by storm with their influential hardware products, including the iPhone and Mac. Apple's continued expansion into cloud services and AI-powered applications signals a new growth direction for this tech legend.
#2. Microsoft (NASDAQ: MSFT)Link: Location: Redmond, WA
Market Cap: .9T
Microsoft, an American company headquartered in Bay Area, is a titan among tech companies. The company's main products, such as the Windows operating system, have become global staples. As a global leader in business software, cloud services, and gaming, Microsoft empowers businesses and individuals with data-driven insights and facilitates consumer-to-consumer interactions through its gaming consoles like Xbox.
#3. Adobe (NASDAQ: ADBE)Link: Location: San Jose, CA
Market Cap: 45B
Adobe, a software company based in Santa Clara County, has become synonymous with digital creativity and design. Their pioneering software tools, including Photoshop and PDFs, are employed by data scientists and creatives worldwide, bolstering Adobe's status as a significant player among tech companies in California.
#4. Google/Alphabet (NASDAQ: GOOGL)Link: Location: Mountain View, CA
Market Cap: .5T
As an American multinational technology company, Alphabet, better known by its primary subsidiary Google, has revolutionized the technology sector with its pioneering search and online advertising capabilities. Its search engine capabilities and artificial intelligence tools have made it a global leader in the online search market. From enabling users to find relevant digital content to facilitating advertising with machine learning, Google has its imprint on nearly every facet of our digital lives.
#5. Wells Fargo (NASDAQ: WFC)Link: HQ: San Francisco, CA
Market Cap: 60B
Wells Fargo, headquartered in the San Francisco Bay Area, stands as America's third-largest bank by customers. Although not a tech company, as a significant player in the realms of consumer, commercial, and investment banking, Wells Fargo has facilitated numerous startups in their journey from Series A to Series B companies in Silicon Valley.
#6. Intel Corp (NASDAQ: INTC)Link: Location: Santa Clara,
CA Market Cap: 05B
Intel, a tech industry pioneer, designs and manufactures cutting-edge semiconductor technology. By providing critical components for personal computers and servers housed in data centers, Intel contributes to high tech innovation in California and beyond.
#7. Visa (NASDAQ: V)Link: Location: San Francisco, CA
Market Cap: $420B
Visa, a financial technology company based in Bay Area, operates the world's largest retail electronic payment network. With ubiquitous credit cards, Visa enables customers globally to make seamless transactions, thus playing an essential role in facilitating business-to-consumer sales and driving the digital economy.
#8. Cisco Systems (NASDAQ: CSCO)Link: Location: San Jose, CA
Market Cap: 90B
As a leader in IT networking hardware, Cisco Systems' technology solutions are integral to the Internet. This Santa Clara-based company develops networking solutions that connect businesses and individuals across the globe, contributing significantly to California's status as the epicenter of technological advancement.
#9. Zoom (NASDAQ: ZM)Link: Location: San Jose, CA
Market Cap: $32B
From Series A startups in Silicon Valley to the largest tech companies, Zoom's video conferencing platform is a crucial tool. Its staggering growth underscores the adaptation and evolution of communication in the digital era, making it a symbol of Silicon Valley's tech prowess.
#10. Hewlett Packard Enterprise (NASDAQ: HPE)Link: Location: Palo Alto, CA
Market Cap: 8B
Hewlett Packard Enterprise is at the forefront of delivering technology solutions for hybrid cloud environments. This Silicon Valley company equips businesses with servers, storage, and networking, providing the necessary infrastructure to succeed in the digital age. With a strong focus on data protection and data management, they remain a trusted partner for businesses worldwide.

Largest Tech Companies in Silicon Valley by Industry

California’s Silicon Valley is where startups are born and where disruption is the name of the game. Fintech, Artificial Intelligence, Healthcare – these are the cool kids on the startup block. And as the saying goes, watch out for the ones that dare to dream big!


The following biotech and health companies are raising the bar in digital health innovations. With top healthcare VCs, they leverage technology to improve healthcare outcomes and empower individuals with valuable health insights.

Headspace: Leading Mindfulness and Meditation

  • Link:
  • Location: Santa Monica, CA
  • Valuation: $3B
  • Subscribers: Over 2M paid subscribers

Based in Santa Monica, Headspace is a wellness tech company that offers a unique platform for improving mental well-being through guided meditation and mindfulness practices. This consumer electronic app has emerged as a dominant player in the meditation and mindfulness app space.

Haven’t checked them out yet?

Benchling: Streamlining Scientific Research

  • Link:
  • Location: San Francisco, CA
  • Valuation: $6.1B
  • Users: Over 200k scientists
Benchling is a software company that offers a cloud-based platform used by over 200,000 scientists. This Series B company enables researchers to streamline data management and experimental workflows, fostering enhanced collaboration and accelerating scientific discoveries.

Turquoise Health: Innovating in Digital Therapeutics

Turquoise Health delivers immediate access to a vast database of price transparency information. By leveraging over a trillion records of hospital, payer, and professional rates drawn from machine-readable files mandated by price transparency rules, Turquoise Health provides invaluable insights.

23andMe: Pioneering Direct-to-Consumer Genetic Testing

  • Link:
  • Location: Sunnyvale, Santa Clara County, CA
  • Valuation: $3.5B
  • Customers: Over 12 million

23andMe is a medical technology company that has pioneered direct-to-consumer genetic testing. This innovative approach has made personalized health information accessible to over 12 million customers, enabling individuals to gain in-depth insights into their genetic makeup.

Update as of March 2024: After the data breach in 2023, the company faced a backlash, and its valuation has crashed 98% from its peak. Talk about the importance of data security!

Throne Labs: Revolutionizing Healthcare

  • Link:
  • Locations: San Francisco, CA & Charlottesville, Virginia
Harnessing the power of technology and behavioral science, Throne Labs deliver immaculately clean, modern bathrooms that can be positioned anywhere you need. Be it outdoor venues, events, parks, municipalities, or transit areas, Throne offers a 21st-century solution to customer restroom requirements. Want to see the Throne difference?

Evidation Health: Harnessing Real-World Data for Health Insights

Evidation Health is a digital health platform that harnesses real-world data from wearables and mobile apps for health insights. The company’s data-driven approach facilitates a deeper understanding of patient health patterns, aiding research and patient care.


These e-commerce and fintech companies have transformed the way we shop, pay, and conduct financial transactions, disrupting traditional industries and paving the way for digital commerce.

Stripe: Facilitating Seamless Online Transactions

  • Link:
  • Location: South San Francisco, CA
  • Valuation: $95B
San Francisco-based Stripe has redefined the financial technology landscape with its robust payment processing platform. Valued at $95B after a $600M funding round in 2021, Stripe processes hundreds of billions in payment volume, demonstrating the demand for retail electronic payment network solutions. This Silicon Valley startup has not only revolutionized online transactions but also enabled businesses worldwide to seamlessly accept payments, contributing significantly to the ubiquity of digital commerce.

Affirm: Innovating Consumer Financing

  • Link:
  • Location: San Francisco, CA
  • Valuation: 9B
Affirm, another innovative San Francisco-based company, has been a trendsetter in the consumer financing landscape. With its 9B valuation following a successful IPO, this financial technology company’s innovative “buy now, pay later” model has transformed how consumers make purchases online, fostering a shift in consumer banking practices and redefining the relationship between buyers and sellers. See what all the fuss is about:

DoorDash: Changing the Game in Food Delivery

  • Link:
  • Location: San Francisco, CA
  • Market Cap: $60B
San Francisco-based DoorDash has reshaped the food delivery industry, offering a vital link between restaurants and consumers seeking convenient meal options. DoorDash exemplifies how tech startups can leverage data-driven insights to create impactful solutions in everyday life.

Instacart: Transforming Online Grocery Shopping

Instacart, headquartered in San Francisco, leads the way in online grocery delivery. With a $39B valuation following $265M in funding, this Silicon Valley company has made grocery shopping convenient and efficient for millions of customers.

Brex: Providing Tailored Financial Solutions

Brex, a Series B company headquartered in Silicon Valley, specializes in providing corporate charge cards and financial solutions that cater to the unique needs of startups and emerging businesses. Brex is showcasing the demand for its innovative offerings. As one of the tech companies in Bay Area, Brex has managed to significantly increase its customer base, with a tenfold rise since 2019, solidifying its status as a key player in the corporate and investment banking sectors.


This list of transportation companies are revolutionizing the way we travel and commute, developing cutting-edge technologies to enable customers to usher in the era of sustainable autonomous mobility.

Cruise: Leading in Autonomous Vehicles

Cruise is at the cutting edge of autonomous vehicle technology, testing self-driving cars on city streets. With a $30B valuation, Cruise is poised to become a major player in the self-driving car industry.

Plus: Redefining Long-Haul Transportation

  • Link:
  • Location: Cupertino, CA
  • Valuation: $3.3B
Plus is developing self-driving trucks and has achieved a valuation of $3.3B. By making strides in autonomous technology, the company aims to address the challenges facing the long-haul trucking industry. See Plus in action –

Waymo: Pioneering the Self-Driving Taxi Service

  • Link:
  • Location: Mountain View, CA
  • Investment: Over $30B by Alphabet
Waymo, a subsidiary of Alphabet, launched the first commercial self-driving taxi service. With over $30B in investment, Waymo is a global leader in the autonomous vehicle space.

Joby Aviation: Revolutionizing Urban Air Mobility

Joby Aviation is developing electric vertical takeoff aircraft for urban air mobility. This groundbreaking approach to transportation could fundamentally reshape urban commutes, offering a sustainable alternative to traditional transport.

Zoox: Transforming Urban Transportation

  • Link:
  • Location: Foster City, CA
  • Acquired by Amazon for .2B in 2020

Last but not least, Zoox, acquired by Amazon for .2B, is dedicated to transforming urban transportation by developing self-driving robotaxis. This groundbreaking approach aims to reduce congestion and revolutionize the urban transportation sector.

So, what does this future look like?

Artificial Intelligence

These artificial intelligence companies are driving the AI revolution, developing cutting-edge technologies that power various industries and shape the future of intelligent automation.

NVIDIA: Powering AI Applications

  • Link:
  • Location: Santa Clara, CA
  • Market Cap: $550B
NVIDIA, an American multinational technology company and one of the largest tech companies globally, is known for designing graphics processing units (GPUs) that have revolutionized AI applications. With a market cap of $550B and a revenue growth rate of 61%, NVIDIA is a major player in the tech industry, especially in the realm of AI and machine learning.

Scale AI: Training AI Models

With its $7.3B valuation after $325M funding in 2021, Scale AI is a global leader in data labeling, a crucial part of training and improving AI models. This Silicon Valley tech company’s services are used by industry giants like Waymo and Toyota, and other companies across multiple industries, such as Advanced Farms:

Anthropic: Ensuring AI Safety

Anthropic is an AI company that uses self-supervision techniques to ensure AI systems act ethically and responsibly. Anthropic is committed to shaping the future of AI in a safe and beneficial manner. By the way – for writing this article, I used, a chat interface of Anthropic AI.

Mythic AI: Enabling AI Capabilities in Devices

Mythic AI is developing efficient edge AI chips for various devices, from cameras to sensors. The company’s .7B valuation following $70M in funding signals the high demand for its groundbreaking tech solutions.

Internet/Social Media

These internet and social media companies have revolutionized the way we connect, share information, and consume content online, playing a pivotal role in shaping the digital landscape.

Meta: Redefining Social Networking

  • Link:
  • Location: Menlo Park, CA
  • Market Cap: $1.18 trillion

Meta, a company that had its early beginnings as a Series A startup in Silicon Valley, is now a dominant force in the world of social media. Its social commerce platform, which includes Facebook, Instagram, and Threads (which surpassed 70 million sign-ups within 48 hours), is a technological marvel, connecting billions of people globally and enabling users to share digital content.

X – Formally Known as Twitter: Redefining Real-Time Conversations

X, an influential social network based in San Francisco, has been transformative in how people engage in conversations and stay informed about the world. With 217 million daily users, this platform offers real-time microblogging services that allow users to share their thoughts and ideas, making it a vital part of today’s digital landscape.

Pinterest: Inspiring Creativity

Pinterest, an innovative San Francisco-based tech company, offers a unique visual discovery experience that sets it apart in Silicon Valley. The company’s app, used by over 400 million monthly users, is a go-to platform for users seeking inspiration and creative ideas, facilitating consumer-to-consumer interactions in a visually captivating manner.

Reddit: The Hub of Online Communities

As a platform driven by user-generated content, Reddit has become a hub for diverse communities, discussions, and sharing of information. After its latest funding round of $410M in the venture capital-rich Bay Area, Reddit now maintains an impressive annual growth rate. With 57+ million daily active users, Reddit epitomizes the power of community-based digital platforms.

Looking For Top Tech Staffing Company in Silicon Valley?

San Francisco area has got some seriously cool tech recruiting companies, and guess what? TurnKey Tech Staffing is right in the heart of it all in Menlo Park! We’re totally immersed in the Silicon Valley vibe, surrounded by innovation and booming tech startups. 

Our mission is to help local founders find the best engineers to hit those major milestones! We’ve been there too as TurnKey was started by SaaS entrepreneurs who know what it’s like to build remote development teams the hard way. They’ve been on the ground, making it happen with Tonic Health, a US-based product company headquartered here in Menlo Park, California. Tonic Health is now part of R1 (NASDAQ: RCM) and has developed some slick workflow automation software used by big-time health systems across the US. So yeah, our founders walked the talk and personally handled the challenges of tech hiring. Now, their hard-earned experience is a basis for TurnKey Tech Staffing offer, so you can expect that we definitely know how to find the best talent for you.

TurnKey’s YourShore model allows us to easily integrate developers directly into our organization so that they are truly my team. I honestly forget most of the time that they aren’t working in the same building as me.
AnyaGeneral Manager, R1


No doubt about it! Silicon Valley is the place where the magic happens, with a killer lineup of top tech companies and startups spanning different industries. It’s like the heartbeat of innovation and entrepreneurship, pushing the world all toward a more connected and advanced future. From the big players to the rising stars, this is where the action is, and we’re right in the thick of it, helping local founders find their dream teams to build a world-renowned product!


What is Silicon Valley famous for?

Silicon Valley is famous for being the global hub of high-tech innovation and startups, powered by tech giants like Apple, Microsoft, Meta, and Google, as well as thousands of entrepreneurs. It is known for pioneering industries like personal computing, internet services, social media, AI, and mobile devices.

What Is the Largest Industry in Silicon Valley?

The largest industry in California is computer software and information technology, including companies involved in software, the internet, semiconductors, cloud computing, artificial intelligence, and more. Many of the world's most influential technology companies are headquartered in Silicon Valley.

What Is Silicon Valley Known for?

Silicon Valley is known for being the foremost tech and startup ecosystem, home to industry-leading companies like Apple, Google, Facebook, Cisco, Intel, Nvidia, and Tesla. It is the epicenter of high-tech innovation, from personal computers and internet search to social media, cloud computing, and AI.

What is the biggest company in Silicon Valley?

The biggest Bay Area tech company by market capitalization is Apple at over $2T. Other massive companies headquartered there include Google's parent Alphabet, Meta, Intel, Cisco, Nvidia, and Oracle.

February 15, 2024

TurnKey Staffing provides information for general guidance only and does not offer legal, tax, or accounting advice. We encourage you to consult with professional advisors before making any decision or taking any action that may affect your business or legal rights.

Tailor made solutions built around your needs

Get handpicked, hyper talented developers that are always a perfect fit.

Let’s talk

Please rate this article to help our team improve our content.

This website uses cookies for analytics, personalization, and advertising. By clicking ‘Accept’, you consent to our use of cookies as described in the cookies clause (Art. 5) of our Privacy Policy. You can manage your cookie preferences or withdraw your consent at any time. To learn more, please visit our Privacy Policy.