Missouri Secretary of State

Register a business, search existing entities, file annual reports where applicable, and access official business records.

Missouri Department of Revenue

Find information on Missouri sales and use taxes, employer withholding, business tax registration, and filing requirements.

Missouri Department of Labor Employer Resources

Review unemployment insurance, workers’ compensation, wage requirements, and other Missouri employer obligations.

Missouri – Small Business Development

Access business advising, financial planning assistance, training, and resources for Missouri entrepreneurs and established businesses.

Missouri Business Portal

Find state resources for starting, managing, and growing a business in Missouri.

Small Business & Self-Employed Tax Center

Access federal tax guidance, employer requirements, recordkeeping information, and resources for operating a business.

Get an Employer Identification Number (EIN)

Apply for a federal Employer Identification Number directly through the IRS at no cost.

U.S. Small Business Administration

Find business planning resources, financing programs, operational guidance, and educational materials for small businesses.

Eureka Chamber of Commerce

Connect with the Eureka business community through networking, local events, business advocacy, and membership opportunities.

Washington Area Chamber of Commerce

Discover local businesses, community events, networking opportunities, and resources supporting commerce in the Washington area.

U.S. Small Business Administration

Find business planning resources, financing programs, operational guidance, and educational materials for small businesses.