Insights

Integrated Services Advantage CGO offers a one stop suite of business insurance, employee benefits, HR, payroll and 401k services with in house consultants, enabling efficient cross selling to mid market clients seeking a single partner for risk and people operations.

Thought Leadership Credibility Recent market outlook launch in 2026 and recognition as IIA of IL Agency of the Year provide strong credibility; use these assets as lead magnets, webinars and proposals to differentiate from larger brokers and win mid market opportunities.

Tech Driven Outreach A tech mature stack including HubSpot Analytics signals a capability to run data driven account based marketing and personalized client onboarding; leverage for targeting, nurturing and faster conversion.

Mid Market Focus Revenue range and employee count place CGO solidly in the mid market segment; target Illinois and Midwest firms with comprehensive benefits, HR and risk management needs, offering bundled services to simplify procurement and vendor management.

Local Service Model Local Lisle base with in house consultants and client service teams positions CGO as a high touch regional partner aware of Illinois regulatory requirements and employee benefits challenges; ideal for clients seeking responsive service and compliance support.

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?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
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?

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

What is Connor & Gallagher OneSource's NAICS code?

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

How many employees does Connor & Gallagher OneSource have currently?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
Connor & Gallagher OneSource operates in the Insurance industry.

What technology does Connor & Gallagher OneSource use?

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

What is Connor & Gallagher OneSource's email format?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
Connor & Gallagher OneSource was founded in 1997.

Connor & Gallagher OneSource

InsuranceIllinois, United States51-200 Employees

Connor & Gallagher OneSource operates as an independent insurance broker based in Lisle, Illinois, with roots dating to 1997. The firm serves organizations by delivering coverage and programs across business insurance, employee benefits, HR, payroll, and 401k plan services. A core feature is its in-house team of consultants and dedicated customer service professionals who specialize in each area to support clients' ongoing needs.

In February 2026, CGO published its 2026 Insurance Market Outlook, representing a focused industry briefing for clients and prospects. The company situates itself in the insurance sector by offering a broad suite of risk management and benefits services tailored to organizations. In 2023, Connor & Gallagher OneSource received the IIA of IL Agency of the Year Award in the large agency category.

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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

ยฉ LeadIQ, Inc. All rights reserved.