The 33 Most Popular SaaS Startups from San Jose (2026)

San Jose is home to 33 SaaS and AI products actively bought by companies on Cledara, led by Zoom (1.02% market share). This ranking is built from real purchasing data — what companies actually pay for, not funding announcements — and updates monthly. Data as of 27 July 2026, 17:44 UTC.

Top SaaS companies from San Jose

#ProductCategoryFoundedEmployeesFunding12-mo rank
1ZoomCollaboration & Productivity2,0135,001-10,000 employees$100M - $250M-1
2CloudinaryIT & Security2,012201-500 employees$100M - $250M+10
3LiveKitCollaboration & Productivity2,02151-200 employees$50M - $100M+447
4HiverCustomer Success & Support2,01151-200 employees$10M - $25M-29
5Webex by CiscoCollaboration & Productivity1,99510,001+ employees$10M - $25M+150
6BILLFinance & Accounting2,0061,001-5,000 employees-111
7MezmoEngineering & DevOps2,01551-200 employees$50M - $100M-521
8Adobe CommerceMarketing & Growth1,98210,001+ employees$1M - $5M+6
9UpstashEngineering & DevOps2,02111-50 employees$10M - $25M+100
10Reply.ioSales & Revenue2,01651-200 employeesUnder $1M-269
11BigSpyMarketing & Growth2,01851-200 employees+170
12VirtualPBXIT & Security1,99751-200 employees+247
13Streamlabs Talk StudioMarketing & Growth2,01451-200 employees
14TestimonialEngineering & DevOps2,0202-10 employees+159
15CloudbeesEngineering & DevOps2,010501-1,000 employees$100M - $250M
16WebpushrPeople Ops & Talent2,0192-10 employees$1M - $5M
17AiPriseLegal, Risk & Compliance2,02211-50 employees$10M - $25M
18AirtopAI Platforms & Model Ops2,02311-50 employees
19McAfeeIT & Security1,001-5,000 employees$10M - $25M
20Platform9Engineering & DevOps2,01351-200 employees$25M - $50M
21VimmerseMarketing & Growth2,0212-10 employees
22Avatar SDKEngineering & DevOps2,01411-50 employees
23Blue Jeans NetworkCollaboration & Productivity2,009501-1,000 employees
24Metadata.ioMarketing & Growth2,01551-200 employees$1M - $5M
25AppZenFinance & Accounting2,012201-500 employees$100M - $250M
26GoLinksCollaboration & Productivity2,01751-200 employees$25M - $50M
27FollowUpThenCollaboration & Productivity2,0102-10 employees
28SomebayCollaboration & Productivity10,001+ employees$250M+
29PayPalFinance & Accounting10,001+ employees$250M+
30NetAppEngineering & DevOps1,99210,001+ employees$250M+
31BrowserlingEngineering & DevOps2,01111-50 employeesUnder $1M
32Adobe Substance 3DMarketing & Growth2,00310,001+ employees
33Adobe StockMarketing & Growth1,98210,001+ employees$1M - $5M

San Jose startups by size and funding

The largest SaaS company from San Jose by headcount is Adobe Stock (10,001+ employees).

22 of 33 have disclosed funding, topped by Somebay ($250M+).

The newest entrant is Airtop (founded 2023).

The oldest is Adobe Commerce (founded 1982); the newest, Airtop (2023).

What San Jose startups build

CategoryProducts
Engineering & DevOps8
Collaboration & Productivity7
Marketing & Growth7
IT & Security3
Finance & Accounting3
Customer Success & Support1
Sales & Revenue1
People Ops & Talent1
Legal, Risk & Compliance1
AI Platforms & Model Ops1

San Jose's SaaS scene skews toward Engineering & DevOps — 8 of its 33 tracked companies build engineering & devops software.

San Jose vs the United States

San Jose accounts for 1% of the 3,460 ranked SaaS products founded in the United States.

Frequently asked questions

What are the biggest SaaS startups in San Jose?

Zoom, Cloudinary and LiveKit are the most-used SaaS products founded in San Jose, based on real purchasing data from companies on Cledara. Last updated 27 July 2026, 17:44 UTC.

How many SaaS companies are based in San Jose?

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

Which San Jose startups are growing fastest?

Upstash and Hiver show the strongest rank gains among San Jose-founded products over the last 90 days.

How is this different from other San Jose startup lists?

Most lists rank San Jose 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.