About Westchester
Westchester is an Insurance company, headquartered in Alpharetta, with 501 - 1,000 employees and annual revenue of $1M - $5M.
About Us Westchester is one of the largest and most diverse excess and surplus lines commercial property and casualty insurance companies in the United States. Focused on the wholesale distribution channel, Westchester provides innovative specialty products for property, specialty casualty, environm...
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Westchester Company Highlights
Phone Number
(305) 463-xxxx
Corporate Office Address
11575 Great Oaks Way
Alpharetta, 30022
Website
Westchester Email Format
The most common Westchester email format is [first].[last] (ex. john.doe@westchester.com), currently being used by 98% of Westchester business email addresses. There are 13 email formats used by Westchester.
Westchester Org
Westchester has 6 C-Level, 67 VP, 21 Director, 35 Manager, 38 Senior, 209 Mid-Level, and 16 Other employees.
Westchester Decision Makers
- CEOAllan Sanderson
Westchester's Tech Stack
Frequently Asked Questions About
Westchester
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Who is the CEO of Westchester?
The CEO of Westchester is Allan Sanderson. See full contact details ›
How many senior employees does Westchester have?
Westchester has 167 senior employees that are typically used for decision making.
What email format does Westchester use?
The most common Westchester email format is {first}.{last} (e.g. john.doe@westchester.com).
Who are the key decision makers at Westchester?
Key decision makers at Westchester include Allan Sanderson (CEO). See full contact details ›
What technologies does Westchester use?
Westchester uses technologies including Adobe Experience, Amazon Advertising, and Apache HTTP Server.
How do I contact Westchester?
To contact Westchester, visit westchester.com.
Where is Westchester headquartered?
Westchester is headquartered at 11575 Great Oaks Way, Alpharetta.
What is the main phone number for Westchester?
The main phone number for Westchester is (305) 463-xxxx.
What is the official website for Westchester?
The official website for Westchester is westchester.com.
What is the annual revenue of Westchester?
The annual revenue of Westchester is $1M - $5M.
How many employees does Westchester have?
Westchester has 501 - 1,000 employees.
What industry is Westchester in?
Westchester is in the Insurance industry.
Last updated: September 28, 2025