Localbiz is a Korean business information and support platform that helps users research companies and promote their own businesses. It brings together information on more than 7.8 million businesses, including available sales, employee, capital, representative, registration, and licensing details. Users can search by business registration number or company name, check business operating status and registration certificate details, and explore DART disclosures, corporate registry records, mail-order business data, and licensed local venues. The site also offers industry and regional directories, sales rankings, listed-company information, and reports on business closures and survival rates.

For business owners, Localbiz provides free company pages that can be claimed and edited after verification, with space for introductions, logos, galleries, company history, and recruitment links. Its promotional services include local business posts and advertising opportunities. Practical resources include marketing tools, local-area and competition analysis, industry benchmarks, funding and subsidy notices, and calculators for taxes, payroll, pricing, rent, loans, and payment fees. Localbiz also publishes business guides and articles, and offers developer API and customer support options.