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Top 19 SaaS Companies in Saint Louis, United States, May 2026

As of May 2026, there are 19 SaaS companies based in Saint Louis. They have combined revenues of $1.1B and employ 870 employees. They've raised $63.1M in capital and serve 519 customers combined.

Companies
19
Revenue
$1.1B
Funding
$63.1M
Employees
870

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Top SaaS Companies in Saint Louis

Showing 10 of 3 companies ranked by annual revenue.

1
Aisle411 Inc.

Saint Louis, United States

Aisle411 is the word's most used mobile indoor mapping and product location platform for retailers and venue owners, offering value to the shoppers, store associates, digital marketing, and loyalty teams. In 2016, ABI Research Ranked Aisle411 #2 Globally for Indoor location, Analytics and Advertising Innovation trailing only Google and tied with Apple. For retailers and venue owners, Aisle411 offers a mobile indoor mapping and location services platform that allows them to offer solutions to guests, staff and corporate level analytics teams. Some of the use cases include navigating guests and associates to points of interest, building assets, and even product shelf level accuracy navigation of shopping lists, all with context and location relevant information that enhances the experience. Aisle411’s proprietary indoor mapping software and data optimization tools allow venue owners to track asset locations indoors and in-store, gain insights on staff and guest traffic, edit their data through a cloud-based map editor, and easily offer experiences to guests and staff on mobile devices with Aisle411’s easy to use APIs and SDKS that work within the retail or venue owners’ own native mobile apps, and web based interfaces. These solutions can also be used within an API offering the latest in computer-vision based augmented reality for AR navigation and experiences at real-world scale through our Tango solutions. Being agnostic to the indoor positioning and proximity technology, Aisle411 has experience integrating the best solutions for your use cases. We offer indoor proximity and location through beacons, wi-fi triangulation, magnetics, inertial sensors, computer-vision on mobile devices and sensors, and visible light communication technologies that can work stand-alone, or all together in one SDK. Aisle411 software services offer enterprise level sophistication and service levels and are deployed in thousands of locations globally, across multiple industries.

Revenue
$660K
Customers
-
Year founded
2008
Funding
-
Team size
6
Growth
-
2
BuildingWorks Inc

Saint Louis, Missouri, United States

Provider of electronic data management services. The company provides cloud based data management platform for the building industry enabling architects, general and sub-contractors, building owners and property managers to manage all their documents required while construction.

Revenue
$274.9K
Customers
-
Year founded
2004
Funding
-
Team size
8
Growth
26.5%
3
Tradeharbor

Saint Louis, Missouri, United States

Voice biometric authentication and Voice Signatures

Revenue
$139.2K
Customers
-
Year founded
1999
Funding
-
Team size
1
Growth
26.5%