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

HeyStage
Software
San Francisco
21 Employees

APIs and tooling for flexible plans, feature gates, product bundles, add-ons, trials, & more. - Adjust free and paid features, control pricing plans, and adjust trial rules - Control product bundles, add-ons, and discounts to grow contract values - Close sales faster and empower customer-facing teams without engineering - Analyze usage and gating to optimize plans and bundles - Billing integrations including Stripe to keep...

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HeyStage
Tonkean
Artificial Intelligence • Information Technology • Legal Tech • Software
3 Offices
65 Employees
11 Benefits
Tonkean is the No-Code Operation System for Business Operations

Tonkean is the OS for business operations, transforming operations teams from facilitators into makers with an enterprise-grade, no-code process orchestration platform. By abstracting the technical knowledge required to automate, monitor, and manage mission-critical business processes, Tonkean enables enterprises to drive operational efficiency while reducing technical debt. Tonkean builds a bridge between business and IT, allowing IT to partner with business teams...

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Tonkean
TAO Digital
Information Technology • Professional Services • Software • Cybersecurity
5 Offices
1,650 Employees

TAO Digital Solutions develops a digital services platform empowering businesses to thrive in the digital era through advanced technology and AI-driven strategies, offering services like product engineering, cybersecurity, cloud, and payment processing.

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TAO Digital
SevenAtoms
Digital Media • Marketing Tech
Dublin

SevenAtoms is a digital agency that aims to help businesses generate more leads through online traffic.

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SevenAtoms
OneSignal
Mobile • Other • Software • Analytics
San Mateo
102 Employees
17 Benefits Hiring Now

OneSignal is the market-leading customer messaging and engagement solution, offering mobile and web push notifications, in-app messaging, SMS, and email. Our powerful multi-channel platform enables one million businesses to deliver over 8 billion messages daily. Powered by superior architecture, OneSignal is designed to scale with your business and deliver messages more quickly and reliably than the competition. By providing an...

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OneSignal
IXL Learning
6 Offices
4,731 Employees
30 Benefits Hiring Now

At IXL Learning, we are passionate about improving learning for all. We apply technology in thoughtful and innovative ways to unlock students' innate curiosity, creativity, and desire for knowledge. IXL’s award-winning personalized learning platform is used by more than 13 million students worldwide. With a comprehensive K-12 curriculum, individualized guidance, and real-time analytics, IXL meets the unique needs of each learner....

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IXL Learning

IXL Learning's Top Stability & Growth Strengths

Strong Market Position & Advantage: Company-reported adoption across most top U.S. districts and millions of students, echoed by independent access rankings and trade coverage, indicate a durable competitive position in supplemental K–12 learning. Awards and broad district references further reinforce visibility with buyers.

Market Expansion: A steady cadence of acquisitions (e.g., Teachers Pay Teachers, Dictionary.com/Thesaurus.com, Carson Dellosa, Evan‑Moor, MyTutor) and LMS integrations points to expansion across classroom software, content, tutoring, and print. Recent communications cite rising student counts and broader platform integrations, suggesting widening reach.

Diversified Revenue Streams: The portfolio spans marketplaces, language learning, tutoring, early learning, consumer reference, and print publishing (e.g., TPT, Rosetta Stone, Wyzant, ABCya/Education.com, Dictionary.com/Thesaurus.com, Carson Dellosa, Evan‑Moor), reducing reliance on a single line of business. Cross‑sell opportunities across this ecosystem are explicitly highlighted.

Synthesis Systems
Information Technology • Professional Services • Software • Consulting
4 Offices

Synthesis Systems is a global authority in Subscription Monetization®, providing comprehensive end-to-end lead-to-cash solutions that help enterprises scale faster, recover more revenue, and deliver predictable growth. They specialize in the digital transformation of the subscription industry, offering expert subscription advisory, systems implementation for platforms like Salesforce and Oracle, and optimization services to simplify Quote-to-Cash operations and drive sustainable, scalable growth.

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Synthesis Systems
ClearScale
Cloud • Consulting
2 Offices
210 Employees

ClearScale is a cloud-native systems integration, strategic consulting and application development company founded in 2011. The company designs, builds, integrates, and manages complex infrastructures and applications on AWS exclusively. ClearScale has successfully delivered more than 1,000 cloud projects for clients ranging from startups to large enterprises and public sector organizations. Our core competency is delivering custom cloud projects and services for...

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ClearScale
Ooma
Cloud • Software
4 Offices
589 Employees
32 Benefits Hiring Now

Ooma creates new communications experiences for small businesses and consumers. Its smart SaaS platform serves as a communications hub, which offers cloud-based telephony, home security and other connected services. The Company’s business and residential communications solutions deliver its proprietary high-definition voice quality, advanced features and integration with mobile devices, at extremely competitive pricing and value. Ooma Home is a groundbreaking connected security...

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Ooma

Ooma's Top Stability & Growth Strengths

Profitability: Recent results show record non-GAAP earnings, higher adjusted EBITDA margins, and a GAAP profit in the latest reported quarter, indicating improved operating leverage. Management also raised full‑year profit guidance, signaling confidence in sustained earnings momentum.

Product Line Growth: AirDial momentum accelerated with large multi‑site deployments and an expanding reseller ecosystem, while the 2600Hz acquisition broadened platform capabilities and go‑to‑market reach. Bookings and installations are contributing visibly to both product and subscription performance.

Strong Brand Reputation: Industry recognition has been consistent over many years, with top accolades for business VoIP across categories. This standing aligns with the company’s emphasis on reliable, easy‑to‑use solutions for small and midsize organizations.

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TrustArc
Software
3 Offices
392 Employees
33 Benefits Hiring Now

Data privacy regulations are changing daily with new laws being introduced across the globe. Keeping up with these changes and remaining compliant is necessary for any organization who wants to avoid fines and loss of consumer trust. Using the TrustArc Privacy Management Platform, privacy leaders can simplify and automate their privacy program. This single platform experience is delivered through its...

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TrustArc
Dataguise
Other
Fremont
131 Employees

Dataguise precisely detects and protects sensitive data in real time across all repositories so enterprises can safely maximize the value of all their information assets. We make sensitive data governance simple, delivering the only one-stop, out-of-the-box solution that provides the highest level of detection and protection — no customer programming required. Organizations concerned about data breaches, privacy and compliance (PII,...

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Dataguise
Vembu Technologies
2 Offices
256 Employees

Vembu is a leading player in the Backup and Disaster Recovery market for small and medium businesses. Our flagship offering – Vembu BDRSuite – is a comprehensive backup and disaster recovery solution designed to protect the data across diverse IT environments that include virtual (VMware, Hyper-V), physical (Windows, Linux, Mac), cloud workloads (AWS, Azure) and SaaS applications (Office 365, G...

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Vembu Technologies
HealthyLongevity.clinic
Palo Alto
17 Employees

We aspire to be a leading applied research organization in the field of advanced integrated and personalized therapies. With clinics in Europe and US, we work closely with research organizations to execute clinical trials and formulate advanced clinical programs.

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HealthyLongevity.clinic
EnrichVideo
Financial Services
Santa Clara
14 Employees

EnrichVideo by Amigobulls enables financial institutions to create seamless HNI client experiences, increasing engagement by 5x. The new normal has accelerated the need to go digital without losing the personal touch. EnrichVideo drives client engagement with personalization and interactivity and helps banks and wealth management firms to acquire, engage and upsell to their HNI clients. All client communication - emails, videos,...

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EnrichVideo
Commsignia
Automotive • Software
Santa Clara
114 Employees

Commsignia specializes in Connected Car / V2X hardware and software solutions to ADAS systems with a mission to increase traffic safety and efficiency on the road. Dedicated to the research and development of car connectivity systems for innovative car makers, the company aims to create the world’s first connectivity platform that integrates Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) with other car...

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Commsignia
Universal Energy Solutions
Energy • Renewable Energy
3 Offices
19 Employees

Universal Energy Solutions is a dynamic network of independent sales offices that specializes in providing tailored solutions to energy companies. Established with the vision to revolutionize the energy sector, our network brings together a diverse range of sales professionals dedicated to driving growth and innovation in the industry.

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Universal Energy Solutions
Paragon Genomics
Hayward
27 Employees
15 Benefits

Headquartered in Fremont, CA, Paragon Genomics is a dynamic and growing company developing and commercializing breakthrough target enrichment solutions for Next-Generation Sequencing (NGS). We are building a team of passionate scientists, engineers and business professionals who thrive in a collaborative entrepreneurial environment. Our patented CleanPlex amplicon sequencing technology solves the urgent throughput and efficiency bottlenecks of targeted sequencing workflow and...

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Paragon Genomics
Treasure Financial
Machine Learning
San Francisco
10 Employees
5 Benefits

Using automation and machine learning to help companies identify, manage and monetize their idle cash

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Treasure Financial
SEO Realtor Hub
Agency • Real Estate
Pleasanton

SEO Realtor Hub is an only of its kind the world’s first SEO service provider to Real Estate agency websites. Our services are specifically designed to boost organic exposure for real estate agency websites located in USA.

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SEO Realtor Hub
Five9
Cloud • Software
9 Offices
2,427 Employees
36 Benefits Hiring Now

Five9 is an industry-leading provider of cloud contact center solutions, bringing the power of cloud innovation to more than 2,000 customers worldwide and facilitating billions of customer engagements annually. The Five9 Intelligent Cloud Contact Center provides digital engagement, analytics, workflow automation, workforce optimization, and practical AI to help customers reimagine their customer experience. Designed to be reliable, secure, compliant, and...

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Five9

Five9's Top Stability & Growth Strengths

Profitability: GAAP profitability was achieved in 2025 and continued with positive GAAP net income in early 2026, indicating a durable turn to earnings. Feedback suggests margin improvements are underway alongside measured growth.

Healthy Cash Flow: Operating cash flow was solid in 2025 and remained positive in Q1 2026, supporting reinvestment and buybacks. Management actions like a new share repurchase authorization and efficiency focus signal confidence in ongoing cash generation.

Strong Market Position & Advantage: Consistent placement as a Leader in major analyst frameworks and surpassing $1B in annual revenue underscore scale and competitive standing. A broad customer base with thousands of clients further reflects mainstream relevance in CCaaS.

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