The 11 SaaS Companies Ranked by Spend from San Antonio (2026)
San Antonio is home to 11 recorded SaaS and AI products headquartered here, led by Sinch Mailgun (0.27% of recorded software spend). The order uses recorded software spend share in the Cledara dataset; directory inclusion does not establish current paid usage. Data as of .
What this ranking measures
Location is the recorded headquarters, which may differ from where a company was founded or where its customers operate. Vendors are ordered by trailing-12-month software spend share in the Cledara dataset. Recorded products without a current paid observation remain in the directory; inclusion alone does not establish current paid usage.
Annual rank changes use the separate global popularity rank, based on payment activity. Missing calendar endpoints stay unavailable. Founding year, employee and funding fields are recorded enrichment facts, which can be incomplete or historical. Full source data is available from the CSV and JSON download links.
The headline and leader facts describe the complete published location. Search and category selections apply to the directory and its downloads.
Top SaaS companies from San Antonio
| # | Product | Category | Founded | Employees | Funding | 12-mo activity rank change |
|---|---|---|---|---|---|---|
| 1 |  Sinch Mailgun Sinch Mailgun is a transactional email API platform designed for developers. It helps solve the business problem of reliably sending and delivering emails to users. The service offers several use cases, including sending email notifications, transactional emails, and marketing campaigns. | Marketing & Growth | 2010 | 201-500 employees | -5 | |
| 2 |  Filestack Filestack is a set of tools and APIs to upload, transform, and deliver files. It supports various file types, allows for seamless integration, and offers powerful capabilities like URL-based transformations and security features. | Engineering & DevOps | 2012 | 51-200 employees | -75 | |
| 3 |  Rackspace Email Rackspace Email is a email hosting solution designed for businesses. | Collaboration & Productivity | 1998 | 5,001-10,000 employees | +48 | |
| 4 |  Doppler Doppler is an email and automation marketing platform designed to help brands grow by leveraging omnichannel, automation, and data marketing strategies. It offers tools for sending campaigns, configuring messages based on user behaviour, and analyzing results to optimize decision-making. With features such as email marketing, SMS marketing, push notifications, and forms, Doppler serves businesses | Marketing & Growth | 2006 | 51-200 employees | -41 | |
| 5 |  Moki Moki's cloud-based MDM solution enables real-time monitoring, management, and secure deployment of mobile devices across platforms like iOS and Android, with remote troubleshooting and lockdown features. | IT & Security | 2012 | 11-50 employees | Under $1M | +631 |
| 6 |  Keen Keen is a fully managed event streaming platform built on Apache Kafka, designed to collect, store, and analyze event data in real-time. It provides tools for real-time analytics, embedded visualizations, and offers solutions for product analytics. | Data & Analytics | 2011 | 51-200 employees | $10M - $25M | +150 |
| 7 |  MyGet MyGet is a package management service that allows teams to host and manage NuGet, npm, Bower, Maven, PHP Composer, VSIX, Python, and Ruby packages in one place. It integrates with existing source code ecosystems to provide centralized package management, enforcing compliance and governance across the software development lifecycle. | Engineering & DevOps | 2013 | 11-50 employees | -117 | |
| 8 | CyberFortress | IT & Security | 51-200 employees | $1M - $5M | ||
| 9 | Impactable | Marketing & Growth | 2018 | 51-200 employees | ||
| 10 | Pressable | Engineering & DevOps | 2010 | 51-200 employees | $1M - $5M | |
| 11 |  Sendspark Sendspark is a cloud-based platform that enables users to create personalized video messages for outreach, integrating with CRMs and email platforms, with analytics for engagement tracking. | Sales & Revenue | 2019 | 11-50 employees |
San Antonio startups by size and funding
The largest SaaS company from San Antonio by headcount is Rackspace Email (5,001-10,000 employees).
4 of 11 have disclosed funding, topped by Keen ($10M - $25M).
The newest entrant is Sendspark (founded 2019).
What San Antonio startups build
- Marketing & Growth 3
- Engineering & DevOps 3
- IT & Security 2
- Collaboration & Productivity 1
- Data & Analytics 1
- Sales & Revenue 1
San Antonio vs the United States
San Antonio accounts for 0% of the 3,551 recorded SaaS products headquartered in the United States. See the full United States ranking →
Frequently asked questions
Which SaaS vendors lead the San Antonio spend ranking?
Sinch Mailgun, Filestack and Rackspace Email are the leading SaaS products headquartered in San Antonio, ordered by recorded software spend share in the Cledara dataset. Last updated 26 October 2026, 22:43 UTC.
How many SaaS companies are based in San Antonio?
11 SaaS and AI products have recorded headquarters in San Antonio in this directory. Products without current paid observations remain included. This is a Cledara dataset count, not a census of local companies.
Which San Antonio vendors gained payment-activity rank?
Moki and Keen show the strongest global payment-activity rank gains among vendors headquartered in San Antonio over three calendar months.
How is this different from other San Antonio startup lists?
This directory groups vendors by recorded headquarters and orders them by trailing-12-month software spend share in Cledara's customer dataset. The annual change column uses the separate global payment-activity rank. Neither measure is a distinct-customer adoption percentage.