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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 7 companies ranked by annual revenue.

1
Gateway X

Saint Louis, Missouri, United States

Gateway X is a holding company that builds, buys and invests in market-leading DTC (direct to consumer) companies. Our purpose is to help people learn, grow and be the best versions of themselves through the journey of entrepreneurship. We value being fast, data-driven, customer centric and adaptable in our approach. We are committed to building one of the most important companies in the DTC revolution. We will be a profitable, long-term organization with an extraordinary culture and several unique winning brands.

Revenue
$4.8M
Customers
-
Year founded
2021
Funding
-
Team size
8
Growth
-
2
Deck Commerce

Saint Louis, Missouri, United States

Provider of a SaaS based eCommerce operations platform intended for businesses to compete with eCommerce leaders. The company's platform connects front-end shopping channels with back-end business systems, enabling clients to streamline the processes for managing orders, inventory and product data easily.

Revenue
$3.5M
Customers
-
Year founded
1998
Funding
$12.5M
Team size
51
Growth
25.8%
3
FinLocker

Saint Louis, Missouri, United States

FinLocker is a financial fitness platform that helps consumers increase their credit scores, save for down payments, and qualify for mortgages through personalized financial journeys.

Revenue
$3.2M
Customers
-
Year founded
2014
Funding
-
Team size
36
Growth
-
4
DOVETAIL

Saint Louis, Missouri, United States

Dovetail is a Brand Reimagination Agency helping clients reimagine what’s possible. Branding - Web - Digital - Story - Leads

Revenue
$2.8M
Customers
-
Year founded
1979
Funding
-
Team size
25
Growth
-
5
QFlow Systems

Saint Louis, Missouri, United States

The impact of your organization shouldn’t be restricted by paper, manual processes, or ill-fitting digital tools. QFlow Systems’ flagship Content Services Platform (CSP), Q-Action, provides flexible enterprise document management, business process workflow management, and records management SaaS solutions that can be deployed in the cloud or on-premise. Our software protects your sensitive information, reduces risk, and streamlines your business operations—increasing productivity, enabling collaboration, and helping you deliver better service to customers and stakeholders. We can easily tailor the Q-Action framework to your specific needs, and our integrations allow you to maximize your investment in other enterprise applications such as CRM, ERP, custom line of business applications, and more. Our hands-on approach and personalized attention eliminate the headaches that traditionally accompany software implementations. Our SaaS model and passionate team also ensure you receive ongoing support, updates, and follow-on enhancements for as long as you remain a QFlow customer. QFlow’s services include business process improvement, analysis and design, custom application development, deployment, training, systems maintenance, and support.

Revenue
$2.4M
Customers
-
Year founded
2000
Funding
-
Team size
22
Growth
-
6
Oakwood

Saint Louis, Missouri, United States

Provider of technology consulting services designed to change the way people do business. The company's services use the Microsoft technology stack to develop custom digital tools for its businesses, enabling clients to drive growth, change behavior and build effective customer experiences.

Revenue
$1.9M
Customers
519
Year founded
1981
Funding
-
Team size
74
Growth
26.5%
7
RoverTown

Saint Louis, Missouri, United States

Developer of a geo-fence application based technology platform designed to automatically drive customers to stores. The company's platform offers an online mobile application for easily accepting mobile coupons, enabling customers to increase their sales and revenues with just a push button present in this online application.

Revenue
$1.4M
Customers
-
Year founded
2009
Funding
-
Team size
17
Growth
112.9%