Organization · Angel Group
St. Louis Arch Angels
St. Louis Arch Angels is an angel investment group based in St. Louis, Missouri, that funds early-stage businesses in the region. They focus on improving the local business climate and have invested over $100 million in more than 100 companies.
Overview
What St. Louis Arch Angels does
What St. Louis Arch Angels is
St. Louis Arch Angels is an angel investment group based in St. Louis, Missouri, that funds early-stage businesses in the region. They focus on improving the local business climate and have invested over $100 million in more than 100 companies.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Angel Group
- Founded
- Founded in 2005
- Approximate age
- About 21 years
- Structured capabilities
- Funder
- Last reviewed
- March 4, 2026
Official channels
Find St. Louis Arch Angels elsewhere
Open the official website or a supported primary organization account.
Capability profile
St. Louis Arch Angels as a funder
Investment thesis
St. Louis Arch Angels invests in early-stage businesses to improve the business climate in the St. Louis region. They leverage the expertise of their members, who include business leaders, engineers, physicians, and scientists.
Focus narrative
St. Louis Arch Angels invests in early-stage businesses with a focus on improving the business climate in the St. Louis region. Their members include business leaders, engineers, physicians, and scientists.
Focus and fit
- Stages
- Pre-seed · Seed · Seed+
- Regions
- United States
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 100
Portfolio context
Notable portfolio companies include: IDEATE Medical: Develops new sterilization technology aimed at lowering infection risks associated with endoscope procedures. CoverCress, Inc.: Works on enhancing productivity and revenue for corn and soybean farmers through the commercialization of a cash cover crop. Aptimmune Biologics, Inc.: Focuses on developing innovative mucosal vaccines to combat viral diseases in the global swine industry.
Common questions
What to know about St. Louis Arch Angels
Upseed classifies St. Louis Arch Angels under the Angel Group organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
March 4, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.