Questions? Contact us at 216-592-2355 or memberservices@cose.org.

Thank you for investing in COSE and your local Chamber. As a result of your support, you now have access to new resources and opportunities for your business. Below you will find information on the new benefits available to you as a result of your dual membership in COSE and your local Chamber.

COSE Savings and Support Dual Membership Package

Businesses that join their local Chamber of Commerce and COSE at the Savings and Support level will receive the standard benefits included in the COSE Savings and Support Package as well as the following additional opportunities and resources:

  • Ability to offer a promotion to over 10,000 businesses via the COSE Member Exclusives email blast

    • COSE recently launched a new initiative which provides exclusive discounts for members and their employees on items and services for their business and home! Each month, COSE Member Exclusive deals will hit your inbox with unique money-saving opportunities from COSE member organizations.

  • $50 discount on the fee to become an Expert in the COSE Expert Network

    • Do you have expertise and want to know how you can partner with COSE to share your expertise through the COSE Expert Network, in the Mind Your Business magazine, or on the COSE Blog? Want to be a resource for other business owners? Check out the benefits and reach out to Diane Helbig to get started.

  • Discounted pricing on registration to the COSE/Chamber Partner Super Networking Event

    • Join us on the night that 29 Chambers of Commerce come together to celebrate the connectivity of our business region at the largest multi-chamber networking event  in Northeastern Ohio.  Utilize our vast chamber network to create business connections across the region.

COSE Business Connections Dual Membership Package

Businesses that join their local Chamber of Commerce and COSE at the Business Connections level will receive the standard benefits included in the COSE Business Connections Package as well as the following additional opportunities and resources:

  • An invitation to one COSE Investor Network Event 

    • COSE Investor Network provides access to events, experiences or conversations that allow you to hear about specific work or initiatives in advance of the broader community, giving you the opportunity to share your perspective, shape next steps and connect with other small business leaders.
  • An additional $50 discount on the fee to become an Expert in the COSE Expert Network 

    • Do you have expertise and want to know how you can partner with COSE to share your expertise through the COSE Expert Network, in the Mind Your Business magazine, or on the COSE Blog? Want to be a resource for other business owners? Check out the benefits and reach out to Diane Helbig to get started.
  • Complimentary invitation and access to a VIP Keynote Event at the Small Business Convention

    • The COSE Small Business Convention is the premier event for small business owners, entrepreneurs and community leaders of the Midwest. Organizations from across the region join together to connect with other small business owners and learn techniques to improve their business strategies. The convention offers national keynote speakers, a business-to-business trade show, educational and social events and great networking experiences.
  • Complimentary registration to the COSE/Chamber Partner Super Networking Event

    • Join us on the night that 29 Chambers of Commerce come together to celebrate the connectivity of our business region at the largest multi-chamber networking event  in Northeastern Ohio.  Utilize our vast chamber network to create business connections across the region.
  • One additional opportunity to offer a promotion to over 10,000 businesses via the COSE Member Exclusive email blast.




COSE Dual Membership Partner Chambers

COSE and our partnering Chambers of Commerce are committed to providing you and your businesses with resources and support. To receive additional opportunities and resources, member must be enrolled in one of the below Partner Chambers of Commerce. 

Greater Ashtabula Chamber of Commerce

Aurora Chamber of Commerce

Brecksville Chamber of Commerce

Brunswick Area Chamber of Commerce

Chagrin Valley Chamber of Commerce

Chillicothe Ross Chamber

Defiance Area Chamber of Commerce

Eastern Lake County Chamber of Commerce

Erie County Chamber of Commerce

Euclid Chamber of Commerce

Garfield Heights Chamber of Commerce

Heights-Hillcrest Regional Chamber of Commerce

Hudson Area Chamber of Commerce

Knox County Chamber of Commerce

Lakewood Chamber of Commerce


Greater Medina Chamber of Commerce

Mentor Area Chamber of Commerce

Middleburg Heights Chamber of Commerce

Noble County Chamber of Commerce

Olmsted Chamber of Commerce


Parma Area Chamber of Commerce

Plexus - The Chamber of Commerce for the LGBT Community and Allies in Northeast Ohio

Solon Chamber of Commerce

Streetsboro Chamber of Commerce

Twinsburg Chamber of Commerce

Uptown Business Association

Warrensville Heights Area Chamber of Commerce

Willoughby Western Lake County Chamber of Commerce