Wisconsin Business Entity Search
Find a registered business through Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services. Use the official link below, then check the search options and name rules for Wisconsin.
Official website: apps.dfi.wi.gov · Opens in a new tab
Wisconsin search options and record coverage
Wisconsin DFI's corporate-record search searches business name, entity ID, entity type, and status and displays public registered-agent/office and filing data; it does not function as a complete owner database. The One Stop portal and DFI online forms support formation, annual reports, amendments, agent changes, certificates, and copywork.
Checking a business name in Wisconsin
Wisconsin names must be distinguishable under the applicable corporation or LLC statute. Punctuation, capitalization, spacing, translations, and generic designators may not cure confusing similarity; DFI acceptance does not establish trademark rights or approve regulated activity.
Wisconsin name reservations
Wisconsin name reservation uses DFI business-entity forms and the current Chapter 180/183 fee schedule; the reviewed 2026 extract did not expose one universal reservation amount or duration. A reservation is filing priority only and does not clear trademarks, professional restrictions, or local permits.
DBA, trade names, and fictitious names
Wisconsin trade-name/DBA treatment depends on whether the name is a registered entity name, trademark, or local business name. Begin with DFI forms at https://dfi.wi.gov/Pages/BusinessServices/BusinessEntities/Forms.aspx and verify any municipal or Department of Revenue business-name requirement; an assumed name does not create an entity.
What do you need after the search?
- Official proof of standing — find certificate fees and ordering instructions.
- A missed report or inactive registration — check deadlines and reinstatement rules.
- A new business registration — compare Wisconsin formation and filing fees.