What they do:
Making it easy to sell personalized products online.
Quick facts:
HQ: St. Louis, MO, United States
Top Startups in St. Louis
This list has 7 startups and was last updated on Oct 15, 2026. Largest teams: Customily, Cofactor Genomics, and Well Principled. Latest round: AlignAI raised $125K (Oct 9, 2026).
7 startups
What they do:
Cofactor closes the precision medicine gap with predictive diagnostics
Quick facts:
HQ: St. Louis, MO, United States
What they do:
The neural engine for autonomous robots
Quick facts:
HQ: St. Louis, MO, United States
Quick facts:
HQ: St. Louis, MO, United States
Incorporated: 2023
Funding:
$2M · Equity · Jun 2026
Quick facts:
HQ: St. Louis, MO, United States
Funding:
$1.49M · Debt · May 2026
Quick facts:
HQ: St. Louis, MO, United States
Incorporated: 2024
Funding:
$1M · Mar 2026
Quick facts:
HQ: St. Louis, MO, United States
Incorporated: 2022
Funding:
$125K · Oct 2026
Questions and answers
How many startups are on this list?
There are 7 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
None of them shows open roles right now.
Which of them have the largest teams?
By team size: Customily (30 employees), Cofactor Genomics (13 employees), and Well Principled (3 employees).
Which of them raised money recently?
Latest rounds: AlignAI — $125K (Oct 2026), Saluna — $2M Equity (Jun 2026), and SentiAR — $1.49M Debt (May 2026).