Costello & Sons Insurance Brokers Employee Directory

InsuranceUnited States11-50 Employees

History: 
    Costello & Sons Insurance (CSI) is a third generation brokerage originally opened in downtown San     Francisco. We have grown to over 2,000 clients and over $45,000,000 in insurance premium, which puts us in the top 15% of insurance brokers in the nation.  

Specialization:
While most brokers are “generalists” who attempt to be all things to all people, CSI specializes in these distinct  areas:
       1) Venture Capital & Private Equity Firms

       2) Technology Companies

       3) Personal Asset & Income Protection

CSI is a full service insurance brokerage firm, and we offer a wide range of products and services to meet the needs of our clients including property and casualty insurance, group health, 401(k), life, disability and long-term care.

CSI is also one of 20 members of TechAssure, a global group of elite  brokers endorsed by the National Venture Capital Association (NVCA) to deliver “best of breed” solutions and products for their members and portfolio companies. 

With offices in Northern and Southern California, CSI is a regional insurance broker that is small enough to know its clients by name and large enough to insure clients with worldwide operations.

CSI is successful because we represent every major insurance carrier in each of our niches, while maintaining personal relationships with these carriers due to our volume of business.

Find Costello & Sons Insurance Brokers employees' phone numbers or email addresses

Costello & Sons Insurance Brokers Global Highlights

Location
Employees

North America
16

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  • United States Of America
    15
  • Mexico
    1

Europe
2

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  • United Kingdom Of Great Britain And Northern Ireland
    2

Asia
1

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  • India
    1

Costello & Sons Insurance Brokers's Leadership

  • Stylized image of a person
    P. H. A.
    Owner
    Phone icon
  • Stylized image of a person
    J. H.
    Senior Vice President Sales
    Phone icon
  • Stylized image of a person
    S. D.
    Operations Manager
    Phone icon

Contact profiles from Costello & Sons Insurance Brokers

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    P. H. A.
    Owner
    Phone icon
    United KingdomEngland
    Oct 22, 2025
  • Stylized image of a person
    J. H.
    Senior Vice President Sales
    Phone icon
    UNITED STATES
    Mar 08, 2023
  • Stylized image of a person
    S. D.
    Operations Manager
    Phone icon
    United KingdomRedbridge
    Feb 25, 2024

Frequently Asked Questions

What is Costello & Sons Insurance Brokers known for?

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Costello & Sons Insurance Brokers was founded in 1939 operates in the Insurance industry. The company's main headquarters is located in 1752 Lincoln Avenue, San Rafael, CA 94901, US; you can contact the main corporate office by phone at . Explore Costello & Sons Insurance Brokers's company overview page for more information.

What is Costello & Sons Insurance Brokers's most common email format?

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Costello & Sons Insurance Brokers employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Costello & Sons Insurance Brokers email formats with LeadIQ.

How many employees does Costello & Sons Insurance Brokers have currently?

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Costello & Sons Insurance Brokers has approximately 13 employees as of December 2025. These team members are located across 3 continents, including North AmericaEuropeAsia.

Who are Costello & Sons Insurance Brokers's key employees and leadership?

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As of December 2025, Costello & Sons Insurance Brokers's key employees include:

  • Owner: P. H. A.
  • Senior Vice President Sales: J. H.
  • Operations Manager: S. D.

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