Dual Memberships

Double the benefits of a single membership by joining your local Chamber of Commerce and COSE.

When you join your local Chamber of Commerce and COSE, you gain access to twice the benefits, support, resources and impact of joining our organizations separately. With a dual membership, you strengthen your presence in your local community while supporting the economic development of the entire region.

Become a dual member today! Contact us at 216-592-2355 or affiliate@cose.org.


Local Chamber of Commerce COSE Affiliate Plus Sign                     COSE

COSE Affiliate ConnectCONNECT

Get connected with community and local business partners to grow your business.

Build relationships that foster success by connecting with 14,000 members across Ohio.

COSE Affiliate Receive Guidance RECEIVE

Receive guidance on the right resources to help you minimize the cost of energy utilities, office products, payroll, workers’ comp and more.

COSE Affiliate Expand KnowledgeEXPAND

Attend frequent workshops and monthly seminars to help you run a smarter, more profitable business.

Expand your knowledge by attending regional events like the annual Small Business Convention and B2B Matchmaker.

COSE Affiliate Be HeardBE HEARD

Get the representation you need to resolve business issues with local government officials.

Have your voice heard on important advocacy issues at the state and national level.

Dual memberships are available with the following Chambers of Commerce:

Ashtabula County Chamber of Commerce

Aurora Chamber of Commerce

Brecksville Chamber of Commerce

Brunswick Area Chamber of Commerce

Chagrin Valley Chamber of Commerce

Cuyahoga Falls Chamber of Commerce

Euclid Chamber of Commerce

Heights-Hillcrest Regional Chamber of Commerce

Hudson Area Chamber of Commerce

Lakewood Chamber of Commerce

Madison-Perry Area Chamber of Commerce

Mentor Area Chamber of Commerce

Olmsted Chamber of Commerce

Painesville Area Chamber of Commerce 

Parma Area Chamber of Commerce

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

Warrensville Heights Area Chamber of Commerce


Willoughby Western Lake County Chamber of Commerce