Insights

Market Leadership Connor & Gallagher OneSource is an award-winning independent insurance broker with a strong regional presence in Illinois and a diverse service portfolio including business insurance, employee benefits, HR, payroll, and 401k plans, positioning them as a trusted partner for organizations seeking comprehensive coverage solutions.

Growing Revenue With an annual revenue estimated between 250 million to 500 million dollars, the company demonstrates significant market traction, indicating opportunities to expand their client base and cross-sell integrated insurance and benefits services for increased wallet share.

Technology Utilization Employing a modern tech stack including React, cloud infrastructure, and analytical tools such as Google Tag Manager, Connor & Gallagher is well-positioned to leverage digital strategies for client engagement, marketing automation, and personalized service delivery, making them receptive to innovative sales solutions.

Industry Recognition Receiving prestigious awards like the IIA of IL Agency of the Year highlights their reputation for excellence and stability, making them a reliable prospect for strategic partnerships, specialized insurance products, and consulting services targeting top-tier agencies.

Potential Expansion Being relatively mid-sized with 51 to 200 employees, Connor & Gallagher may pursue growth through acquisitions, new market segments, or enhanced service offerings, providing opportunities for customized enterprise solutions, technology integrations, and scalable service packages.

Connor & Gallagher OneSource Tech Stack

Connor & Gallagher OneSource uses 8 technology products and services including HubSpot Analytics, cdnjs, Open Graph, and more. Explore Connor & Gallagher OneSource's tech stack below.

  • HubSpot Analytics
    Analytics
  • cdnjs
    Content Delivery Network
  • Open Graph
    Content Management System
  • HubSpot Cookie Policy Banner
    Cookie Compliance
  • jQuery Migrate
    Javascript Libraries
  • Slick
    Javascript Libraries
  • Goober
    Javascript Libraries
  • HubSpot
    Marketing Automation

Connor & Gallagher OneSource's Email Address Formats

Connor & Gallagher OneSource uses at least 2 format(s):
Connor & Gallagher OneSource Email FormatsExamplePercentage
FLast@gocgo.comJDoe@gocgo.com
85%
Last@gocgo.comDoe@gocgo.com
9%
LFirst@gocgo.comDJohn@gocgo.com
5%
FirstL@gocgo.comJohnD@gocgo.com
1%
FLast@congalins.comJDoe@congalins.com
82%
First.Last@congalins.comJohn.Doe@congalins.com
18%

Frequently Asked Questions

Where is Connor & Gallagher OneSource's headquarters located?

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Connor & Gallagher OneSource's main headquarters is located at 750 Warrenville Road #400 Lisle, Illinois 60532 United States. The company has employees across 1 continents, including North America.

What is Connor & Gallagher OneSource's phone number?

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You can contact Connor & Gallagher OneSource's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Connor & Gallagher OneSource's official website and social media links?

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Connor & Gallagher OneSource's official website is gocgo.com and has social profiles on LinkedIn.

What is Connor & Gallagher OneSource's NAICS code?

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Connor & Gallagher OneSource's NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does Connor & Gallagher OneSource have currently?

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As of June 2026, Connor & Gallagher OneSource has approximately 141 employees across 1 continents, including North America. Key team members include Partner At Connor And Gallagher Insurance Services: T. C.Accounting Manager: P. W.Account Manager: C. K.. Explore Connor & Gallagher OneSource's employee directory with LeadIQ.

What industry does Connor & Gallagher OneSource belong to?

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Connor & Gallagher OneSource operates in the Insurance industry.

What technology does Connor & Gallagher OneSource use?

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Connor & Gallagher OneSource's tech stack includes HubSpot AnalyticscdnjsOpen GraphHubSpot Cookie Policy BannerjQuery MigrateSlickGooberHubSpot.

What is Connor & Gallagher OneSource's email format?

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Connor & Gallagher OneSource's email format typically follows the pattern of FLast@gocgo.com. Find more Connor & Gallagher OneSource email formats with LeadIQ.

When was Connor & Gallagher OneSource founded?

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Connor & Gallagher OneSource was founded in 1997.

Connor & Gallagher OneSource

InsuranceIllinois, United States51-200 Employees

Connor & Gallagher OneSource (CGO) is an independent insurance broker in Lisle, Illinois since 1997. We serve organizations in the areas of business insurance, employee benefits, HR, payroll, and 401k plan services. We have in-house consultants and customer service teams that specialize in each of these areas.
#BusinessInsurance #EmployeeBenefits #401k #HR #Payroll

Section iconCompany Overview

Headquarters
750 Warrenville Road #400 Lisle, Illinois 60532 United States
Phone number
Website
gocgo.com
NAICS Code
524 - Insurance Carriers and Related Activities
Founded
1997
Employees
51-200

Section iconFunding & Financials

  • $250M$500M

    Connor & Gallagher OneSource's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    Connor & Gallagher OneSource's revenue is estimated to be in the range of $250M$500M

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