About Cornerstone
Cornerstone is an Investment Management company, headquartered in Denver, with 51 - 200 employees and annual revenue of $5M - $20M.
Single family office
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Cornerstone Company Highlights
Phone Number
(303) 410-xxxx
Corporate Office Address
1821 Blake Street
Denver, 80202
Website
Industries Served
Investment ManagementNumber of Employees
51 - 200 Employees
Company Revenue
$5M - $20M
Cornerstone Email Format
The most common Cornerstone email format is [f][last] (ex. jdoe@cstoneholdings.com), currently being used by 55% of Cornerstone business email addresses. There are 9 email formats used by Cornerstone.
Cornerstone Org
Cornerstone has 3 C-Level, 2 Director, 1 Manager, 2 Mid-Level, and 2 Other employees.
Cornerstone Decision Makers
- CEOBonnie McCloskey
- CFONick Steiner
Cornerstone's Tech Stack
Frequently Asked Questions About
Cornerstone
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Who is the CEO of Cornerstone?
The CEO of Cornerstone is Bonnie McCloskey. See full contact details ›
Who is the CFO of Cornerstone?
The CFO of Cornerstone is Nick Steiner. See full contact details ›
How many senior employees does Cornerstone have?
Cornerstone has 6 senior employees that are typically used for decision making.
What email format does Cornerstone use?
The most common Cornerstone email format is {f}{last} (e.g. jdoe@cstoneholdings.com).
Who are the key decision makers at Cornerstone?
Key decision makers at Cornerstone include Bonnie McCloskey (CEO) and Nick Steiner (CFO). See full contact details ›
What technologies does Cornerstone use?
Cornerstone uses technologies including Contact Form, Extendify, and Font Awesome.
How do I contact Cornerstone?
To contact Cornerstone, visit cstoneholdings.com.
What companies are similar to Cornerstone?
Companies similar to Cornerstone include American Family Insurance, The Standard, and Guy Carpenter.
Where is Cornerstone headquartered?
Cornerstone is headquartered at 1821 Blake Street, Denver.
What is the main phone number for Cornerstone?
The main phone number for Cornerstone is (303) 410-xxxx.
What is the official website for Cornerstone?
The official website for Cornerstone is cstoneholdings.com.
What is the annual revenue of Cornerstone?
The annual revenue of Cornerstone is $5M - $20M.
How many employees does Cornerstone have?
Cornerstone has 51 - 200 employees.
What industry is Cornerstone in?
Cornerstone is in the Investment Management industry.
Last updated: November 4, 2025