Organization · Angel Group
Cornerstone Angels
Cornerstone Angels is a membership-based angel investment group based in Northbrook, Illinois, focused on providing financial capital, mentorship, and advisory support to high-growth organizations primarily in the greater Midwest.
Overview
What Cornerstone Angels does
What Cornerstone Angels is
Cornerstone Angels is a membership-based angel investment group based in Northbrook, Illinois, focused on providing financial capital, mentorship, and advisory support to high-growth organizations primarily in the greater Midwest.
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
- Structured capabilities
- Funder
- Last reviewed
- March 4, 2026
Official channels
Find Cornerstone Angels elsewhere
Open the official website or a supported primary organization account.
Capability profile
Cornerstone Angels as a funder
Investment thesis
Cornerstone Angels focuses on investing in high-growth organizations primarily in the greater Midwest region. They aim to support companies in various sectors, particularly CleanTech, Software, and Healthcare Services, through Seed and Series A rounds.
Focus narrative
Cornerstone Angels primarily invests in the greater Midwest region, including Illinois, Indiana, Michigan, Missouri, Minnesota, Wisconsin, and Iowa, but will consider opportunities nationwide. The group focuses on investments across various sectors, particularly in CleanTech/Alternative Energy, Software, Internet, Mobile, Manufacturing & Industrial, Consumer/Retail & Food/Beverage, Business Services, Healthcare Services, and Medical Devices. They concentrate on Seed and Series A investment rounds but may consider Turnaround & Buyouts or Later Stage deals under special circumstances.
Focus and fit
- Stages
- Seed · Series A
- Regions
- North AmericaUnited States
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 38
Portfolio context
Cornerstone Angels has built a portfolio of 38 companies, with 29 still active. Notable portfolio companies include Beekeeper Labs, a licensed software platform; PageVault, a service for legal professionals; SDBIC, a financial services company; KitoTech Medical, a medical device company; Edison DC Systems, enhancing power efficiency; Are You a Human, a human verification solution; Right At School, providing child-care programs; and Chronos Research, developing mobile financial services.
Common questions
What to know about Cornerstone Angels
Upseed classifies Cornerstone 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.