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Top Tech Companies in San Francisco Bay Area, CA (10,000+)

UNIFi Software Inc.
San Mateo
80 Employees
Hiring Now

Unifi provides a seamlessly integrated suite of self-service data tools that include Governance & Security, Catalog & Discovery, Data Preparation, Community Collaboration, AI and ML assisted processing and is Cloud-Optimized. Governed by IT and operated by business users, Unifi alleviates data bottlenecks and delivers faster business insights.

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UNIFi Software Inc.
Vivalon
Social Impact • Transportation
2 Offices

Vivalon is a non-profit organization that supports older adults and vulnerable residents in Marin County by providing essential services such as transportation, meals, classes, care, and advice, all aimed at fostering human connection and enabling them to thrive.

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Vivalon
Key Solutions, Incorporated
Information Technology • Software • Energy
Fremont
12 Employees

Key Solutions opened its doors for business in 1989 and subsequently incorporated in 1990. We began in a small office in downtown Cincinnati, Ohio as an IBM Reseller of Midrange Equipment. Our headquarters (including an expansive Technical Center) is now located in Wilder, Kentucky in close proximity to downtown Cincinnati. Over the years we have worked closely with our clients to...

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Key Solutions, Incorporated
StepStone Group
Financial Services
10 Offices
909 Employees
20 Benefits

StepStone Group (Nasdaq: STEP) is a global private markets investment firm focused on providing customized investment solutions and advisory and data services to our clients. StepStone’s clients include some of the world’s largest public and private defined benefit and defined contribution pension funds, sovereign wealth funds and insurance companies, as well as prominent endowments, foundations, family offices and private wealth...

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StepStone Group

StepStone Group's Top Stability & Growth Strengths

Strong Revenue Growth: Recent filings and press coverage indicate sharp growth in total revenues and fee revenues, with fee-related earnings also expanding despite quarterly variability.

Strong Market Position & Advantage: Disclosures consistently frame the firm as a leader in private‑markets solutions with large AUM/AUA scale, multi‑asset breadth, and influence via its SPI data and benchmarks.

Strategic Partnerships: Partnerships with LSEG/FTSE, Kroll, and PitchBook to distribute private‑markets indices and benchmarks expand reach and reinforce its role as a reference point for LPs and GPs.

Fidel API
Fintech • Payments
4 Offices
115 Employees
32 Benefits
Our mission at Fidel API is to unlock the full potential of payment cards.

We offer a suite of financial infrastructure APIs that enable developers to build programmable experiences connected to purchases made in real-time using a card. Our tools are transforming how merchants and users interact by powering real-time, event-driven engagements, best-in-class loyalty and rewards programs and revolutionizing processes from reimbursements to expense management. Our APIs are used by start-ups through global enterprises including...

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Fidel API
Talkable
eCommerce • Marketing Tech
2 Offices
71 Employees
3 Benefits

Talkable’s marketing technology empowers e-commerce brands to acquire & retain high-value customers through referral & loyalty marketing programs. As a single-source solution for your referral marketing and loyalty marketing needs, brands are able to create seamless user experiences designed to increase brand engagement and build brand affinity. For both referral and loyalty solutions, Talkable offers comprehensive segmentation capabilities, a built-in...

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Talkable
Kriya Therapeutics, Inc.
Healthtech • Biotech • Pharmaceutical
Redwood
196 Employees
9 Benefits Hiring Now

Kriya Therapeutics is a biopharmaceutical company dedicated to developing and manufacturing transformative, one-time gene therapies to address chronic diseases affecting millions of people worldwide. With operations in Research Triangle Park, North Carolina, and Silicon Valley, California, Kriya leverages an innovative platform for research, development, and manufacturing to revolutionize medicine and eliminate the burden of disease, aiming to make life-changing therapies...

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Kriya Therapeutics, Inc.
UXPin
Information Technology
Mountain View
40 Employees

UXPin’s design editor lets you create the perfect user experience from start to finish without leaving the app. Go from lo-fi to hi-fi in seconds using pre-made customizable elements from our UI libraries or elements imported from your own Sketch library. Get the most realistic fidelity with clickable interactions, realistic animations, and typeable forms to experience your product the way...

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UXPin
San Francisco
3 Employees

Acquired by Women's Marketing in 2014 and then by Sway Group in 2016. iFabbo™ is an International organization for beauty, fashion and lifestyle content creators and influencers. With over 3000 qualified members, we are one of the most prestigious blogger organizations in the world. Our iFabbo distribution platform, allows brands to directly place products or samples into our network based...

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IFABBO - International Fashion and Beauty Bloggers Organization
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Estuate Inc.
Software
Sunnyvale
327 Employees

Estuate is a global Information Technology Services company headquartered in Milpitas, CA, and with offices in New Jersey, Canada, India, the UK and the UAE. We were founded on the simple premise that clients value a partner that is adept at technology and business alike, and is highly responsive to their needs. Since our inception in 2005, we have

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Estuate Inc.
Edia Learning
Artificial Intelligence • Edtech • Software
San Francisco
55 Employees
13 Benefits Hiring Now
We believe that school shapes trajectories. Our mission is for every child to have an exceptional experience in school.

Edia is the leading AI platform for K-12 school districts that improves outcomes for math, attendance, and MTSS. Founded by top engineers from Silicon Valley, Edia supports 150+ school districts across the country to transform lives. Our partners range from large urban districts (e.g. NYC DOE, Fulton County, Palm Beach, Loudoun County) to the most remote schools in rural Alaska...

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Edia Learning
Marsh
Insurance
36 Offices
27,671 Employees
37 Benefits

Possibility. We seek better ways to manage risk and define more effective paths to the right outcome. We go beyond risk to rewards for our clients, our company, our colleagues, and the communities in which we serve. Marsh, a business of Marsh McLennan (NYSE: MMC), is the world’s top insurance broker and risk advisor. Marsh McLennan is a global leader in...

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Marsh

Marsh's Top Stability & Growth Strengths

Strong Revenue Growth: Reported and underlying revenue increased across 2024 and into 2025, with steady mid‑single‑digit organic gains supplemented by acquisitions and double‑digit reported growth in several quarters. Feedback suggests the brokerage unit saw broad‑based geographic contributions alongside margin expansion at the consolidated level.

Strong Market Position & Advantage: Industry rankings consistently place the firm as the world’s largest insurance broker by revenue, including holding the top U.S. position, reinforcing scale advantages and market access. Feedback suggests this leadership has been maintained despite consolidation and shifting share at the margins.

Future-Ready Strategy: Management is unifying the brand as “Marsh” and centralizing data/AI and operations through a new Business & Client Services unit to accelerate growth and efficiency. Feedback suggests ongoing investments in a firm‑wide brand and operating model are designed to enable longer‑term, tech‑enabled growth.

CriticalRiver
Artificial Intelligence • Cloud • Information Technology • Database • Generative AI • Automation
10 Offices
647 Employees
1 Benefits
Accelerating Enterprise Growth Through Agentic AI and Intelligent Automation. Enabling Salesforce, Oracle ERP, DATA & AI

CriticalRiver is an AI-first technology services firm focused on accelerating business outcomes through speed, agility, and innovation. Our North Star for every engagement is the outcome our customers want to achieve. ​ ​ This outcome-led approach is what has made us a trusted partner in the ecosystems we operate in. It is also what is guiding our evolution into something larger: an...

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CriticalRiver
Triumvirate Environmental
17 Offices
807 Employees
28 Benefits Hiring Now

Triumvirate Environmental Inc. provides sustainable environmental solutions to leading companies in the Life Sciences, Healthcare, Education, and Industrial markets. Key areas of expertise are in Waste Management & Disposal, COVID-19 Decontamination Services, EHS Consulting Services, and Lab & Facility Services. Our highly trained experts help organizations reduce waste, save money, stay safe and compliant, manage risk, and protect their reputation....

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Triumvirate Environmental
Anchorfree
Information Technology • Cybersecurity
Redwood
55 Employees
30 Benefits

AnchorFree’s mission is to provide secure and private access to the world’s information for every person on the planet. AnchorFree’s Hotspot Shield app is the world’s most popular freedom and privacy platform, with over 650 million downloads in 200 countries. AnchorFree has been named among America’s Most Promising Companies by Forbes in 2013 and 2014, and in 2019, Fast Company named...

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Anchorfree
Roam
Artificial Intelligence • Enterprise Web • Productivity • Software
Fully Remote
54 Employees

Roam is an Applied AI lab building World Models for highly retentive 3D environments, functioning as a Virtual Office Platform where remote work happens in the open and every action makes your company smarter.

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Roam
Digital Realty
26 Offices
3,693 Employees
26 Benefits

Digital Realty brings companies and data together by delivering the full spectrum of data center, colocation and interconnection solutions. PlatformDIGITAL®, the company's global data center platform, provides customers with a secure data "meeting place". Digital Realty enables its customers with the connected data communities that matter to them with a global data center footprint of 300+ facilities in 50+ metros...

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Digital Realty
Ryan
Fintech • Consulting
72 Offices
3,194 Employees
30 Benefits Hiring Now

Ryan is a tax services firm providing tax advisory and consulting services on a multi-jurisdictional basis. Ryan, an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes. With global headquarters in Dallas, Texas, the Firm provides an integrated suite of federal, state, local, and international tax services on a multijurisdictional basis,...

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Ryan

Ryan's Top Stability & Growth Strengths

Strong Market Position & Advantage: Feedback suggests Ryan is widely viewed as a top-tier specialist in business tax—especially state and local tax, credits and incentives, property/indirect tax recovery, and tax-technology implementation. It was also named a Top 10 provider for tax engine implementations in 2025, reinforcing niche leadership.

Market Expansion: Feedback suggests recent acquisitions and international moves (e.g., majority stake in Dhruva Advisors and the European VAT Desk deal) have expanded geographic reach and VAT/indirect tax capabilities across India, the Middle East, and Europe. Added offices and strengthened property-tax presence indicate a deliberate buy-and-build approach.

Investor Backing & Capital Strength: Feedback suggests a new minority investment by Neuberger Berman alongside existing sponsors (Onex and Ares) provides capital support for continued expansion in consulting, software, and international markets.

Optibus
Cloud • Software • Transportation
11 Offices
312 Employees
3 Benefits

Optibus’ vision is to be the modern operating system for mass transportation. Optibus is an end-to-end, cross-functional software platform for transportation planning, scheduling, rostering, and operations. Founded in 2014, transportation agencies and operators in over 5,000 cities worldwide trust Optibus to increase efficiency and ridership, improve service quality, promote transportation equity, reduce emissions and costs, and modernize their operations. Our platform...

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Optibus
ZT Systems
Cloud • Hardware • Manufacturing
8 Offices
2,500 Employees
26 Benefits
We create cloud-enabling server solutions that help the world’s leading companies turn their ideas into reality.

We create cloud-enabling server solutions that help the world’s leading companies turn their ideas into reality. Our customers are future-focused and so are we, always a step ahead of the next challenge. As experts in engineering, manufacturing, and supply chain, we’re the bridge between problem and solution for the world’s leading cloud and telecom providers. Our customers depend on us...

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ZT Systems

ZT Systems's Top Stability & Growth Strengths

Strong Market Position & Advantage: ZT is described as a leader in trusted, US‑based hyperscale systems design and integration with top cloud accounts, with AMD explicitly positioning its acquisition as central to end‑to‑end AI data‑center systems. Alignment with initiatives like Microsoft’s Project Olympus and rapid support for NVIDIA Blackwell platforms underscores this positioning.

Strong Revenue Growth: Sanmina cited the acquired ZT manufacturing business at an approximately $5–$6 billion annual revenue run‑rate with quarterly guidance in that range, and industry snapshots highlighted very strong server growth in 2024. Facility expansions and ongoing AI server ramps further indicate accelerating volume tied to hyperscaler demand.

Strategic Partnerships: After AMD completed the acquisition, it sold ZT’s U.S. data‑center manufacturing unit to Sanmina and established a strategic partnership to accelerate AI systems delivery. This structure signals scaled specialization across design (within AMD) and manufacturing (within Sanmina).

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