The 17 Most Popular SaaS Startups from Redwood City (2026)

Redwood City is home to 17 SaaS and AI products actively bought by companies on Cledara, led by Twingate (0.04% market share). This ranking is built from real purchasing data — what companies actually pay for, not funding announcements — and updates monthly. Data as of 17 August 2026, 15:36 UTC.

Top SaaS companies from Redwood City

#ProductCategoryDescriptionFoundedEmployeesFunding12-mo rank
1TwingateIT & SecurityTwingate is a platform that provides Zero Trust Network Access by creating secure connections to protected resources. It manages access requests, offers access control, integrates with identity providers, and monitors network activity. The platform replaces traditional VPNs, using direct peer-to-peer connections and security measures for accessing corporate resources.2,01951-200 employees$25M - $50M+102
2Zilliz CloudIT & SecurityZilliz Cloud, is a fully managed vector database service built on the open-source Milvus platform. It enables efficient storage, indexing, and retrieval of large-scale vector data, facilitating applications such as similarity search, recommendation systems, and AI-driven analytics.2,01751-200 employees$50M - $100M+240
3Fireworks AIAI Platforms & Model OpsFireworks AI is a platform that enables users to create, customize, and deploy generative AI models for various applications, including generating images and text. The platform is designed to support the technical aspects of AI integration, focusing on the functionality and deployment of AI within products. 2,02251-200 employees$50M - $100M+607
4FeedlyCollaboration & ProductivityFeedly is a product designed to assist users in staying informed about topics and trends of interest. It facilitates the efficient consumption of content from diverse sources, including blogs, news websites, and social media streams. The product addresses the challenge of information overload by offering a centralized platform for content organization and curation.2,00851-200 employees$1M - $5M+14
5AvananIT & SecurityAvanan's AI protects cloud email and collaboration suites from cyber attacks that evade default and advanced security tools. Its invisible, multi-layer security enables full-suite protection for cloud collaboration solutions such as Office 365, G-Suite, Teams, and Slack.1,9935,001-10,000 employees
6PerkboxPeople Ops & TalentPerkbox is a platform offering employee rewards and benefits. The platform also centralizes company updates and benefits for easy access by employees. Key features include well-being support, peer recognition, and tools for culture and communication management. Perkbox provides resources such as books, guides, events, webinars, and blogs. 2,0051,001-5,000 employees$250M+
7SortlyOperations & Supply ChainSortly is a mobile application for inventory management that helps businesses and individuals organize and keep track of their items using QR codes and barcodes.2,01251-200 employees
8SpaceliftEngineering & DevOpsSpacelift is a platform for managing Infrastructure as Code (IaC) with comprehensive CI/CD capabilities for tools like Terraform, CloudFormation, and Kubernetes. It offers a collaboration and automation layer, focusing on openness, flexibility, and security to support customized workflows.2,02051-200 employees$50M - $100M
9LeapFILEIT & SecurityLeapFILE is a file-sharing solution that empowers businesses to securely exchange files with clients through a branded portal.2,00311-50 employees
10Invoice2goFinance & AccountingInvoice2go is a technology company that allows freelancers and small businesses to run their business their own way.2,00251-200 employees$10M - $25M
11CeligoData & AnalyticsCeligo is an integration platform that specializes in streamlining and automating business processes through advanced integration solutions. This platform is particularly beneficial for businesses looking to integrate different software systems, ranging from CRM and ERP to e-commerce and marketing automation tools. The primary objective of Celigo is to simplify complex integration processes, makin2,011501-1,000 employees$25M - $50M
12Sumo LogicEngineering & DevOps2,010501-1,000 employees$100M - $250M
13EquinixEngineering & DevOps1,99810,001+ employees$250M+
14OwlerSales & Revenue2,011201-500 employees$1M - $5M
15DeepDyveCollaboration & Productivity2,00611-50 employees$1M - $5M
16GoFundMeFinance & Accounting2,010201-500 employees
17ZazzleMarketing & Growth1,999201-500 employees

The complete list is available as <a href="/api/export/startups/united-states/redwood-city.csv">CSV</a> or <a href="/api/export/startups/united-states/redwood-city.json">JSON</a>.

Redwood City startups by size and funding

The largest SaaS company from Redwood City by headcount is Equinix (10,001+ employees).

12 of 17 have disclosed funding, topped by Perkbox ($250M+).

The newest entrant is Fireworks AI (founded 2022).

The oldest is Avanan (founded 1993); the newest, Fireworks AI (2022).

What Redwood City startups build

CategoryProducts
IT & Security4
Engineering & DevOps3
Collaboration & Productivity2
Finance & Accounting2
AI Platforms & Model Ops1
People Ops & Talent1
Operations & Supply Chain1
Data & Analytics1
Sales & Revenue1
Marketing & Growth1

Redwood City's SaaS scene skews toward IT & Security — 4 of its 17 tracked companies build it & security software.

Redwood City vs the United States

Redwood City accounts for 0% of the 3,476 ranked SaaS products founded in the United States.

Frequently asked questions

What are the biggest SaaS startups in Redwood City?

Twingate, Zilliz Cloud and Fireworks AI are the most-used SaaS products founded in Redwood City, based on real purchasing data from companies on Cledara. Last updated 17 August 2026, 15:36 UTC.

How many SaaS companies are based in Redwood City?

17 SaaS and AI products founded in Redwood City are actively bought by companies tracked on Cledara. Aggregators list more registered startups; this ranking counts only products with real, current usage.

Which Redwood City startups are growing fastest?

Fireworks AI and Zilliz Cloud show the strongest rank gains among Redwood City-founded products over the last 90 days.

How is this different from other Redwood City startup lists?

Most lists rank Redwood City startups by funding raised or valuation. This one ranks them by adoption — how many companies actually pay for each product — measured monthly from Cledara's purchasing data.