Plain-English definitions of the entity types, filings, tax terms, and compliance language every Wisconsin entrepreneur runs into. No jargon, no fluff — just the meaning, why it matters, and what to do about it.
Annual Report
A yearly filing required of most LLCs and corporations to keep the state's business records current. The annual report typically confirms the entity's name, principal office address, registered agent, and member or officer information.
In Wisconsin, the Department of Financial Institutions (WDFI) requires LLCs to file an annual report each year and charges a $25 filing fee. Missing the deadline can result in late fees and, eventually, administrative dissolution of the entity.
Anchor Filings tracks deadlines and files annual reports for clients on Compliance Pro ($179/yr) — including the state fee.
Articles of Incorporation
The founding legal document filed with the state to create a corporation. The articles establish the corporation's existence and contain key details: corporate name, registered agent, principal office address, share structure, and incorporator information.
In Wisconsin, articles of incorporation are filed with WDFI. The state filing fee is currently $100 for a domestic corporation. Once accepted, the corporation legally exists as a separate entity from its shareholders.
The founding legal document filed with the state to create a Limited Liability Company (LLC). Articles of organization include the LLC's legal name, registered agent and office, management structure (member-managed or manager-managed), and organizer signature.
In Wisconsin, articles of organization are filed with WDFI for a $130 state fee. Once accepted, the LLC exists as a legal entity separate from its members.
A federal report filed with FinCEN (Financial Crimes Enforcement Network) under the Corporate Transparency Act, identifying the individuals who ultimately own or control a business entity. Under FinCEN's interim final rule effective March 26, 2025, all entities formed in the United States — including Wisconsin LLCs and corporations — are exempt from BOI reporting. Only entities formed under foreign law and registered to do business in a U.S. state ("foreign reporting companies") remain required to file, and U.S. persons who are beneficial owners of those entities are also exempt.
For foreign reporting companies that still must file, the report includes each non-U.S. beneficial owner's full legal name, date of birth, current address, and a copy of an acceptable identification document. Initial reports are due within 30 days of the registration's effective date in the United States.
Foreign-formed entity registered to do business in Wisconsin? We file the FinCEN BOI report for $79, including updates when ownership changes.
C-Corporation
A corporation taxed as a separate entity from its owners under Subchapter C of the Internal Revenue Code. C-Corps pay corporate income tax on profits; shareholders then pay personal income tax on dividends — the so-called "double taxation."
Despite double taxation, C-Corps are the standard structure for businesses planning to raise venture capital, issue multiple share classes, or eventually go public. They allow unlimited shareholders, foreign owners, and complex equity structures.
A registered trade name that lets a business legally operate under a name different from its formal legal name. For example, an LLC named "Smith Holdings LLC" might register a DBA to operate publicly as "Smith's Coffee Roasters."
In Wisconsin, DBAs (also called "trade names") are filed at the state level for corporations and LLCs. Sole proprietors register at the county level. Banks generally require a registered DBA before issuing checks payable to the trade name.
A nine-digit federal tax identification number issued by the Internal Revenue Service (IRS). The EIN identifies a business entity for federal tax purposes and is required for most business activities.
An EIN is required to open a business bank account, hire employees, file federal tax returns, apply for business credit, and elect S-Corporation tax treatment. Sole proprietors without employees can sometimes use a Social Security Number instead, but an EIN is still recommended for privacy and credibility.
EINs are obtained by filing IRS Form SS-4. Domestic applicants typically receive their EIN online within minutes; international applicants must apply by phone, fax, or mail and may wait days to weeks.
We prep and file SS-4 with the IRS — your EIN delivered for $59, typically within one business day.
Foreign Qualification
The process by which an LLC or corporation formed in one state registers to legally do business in another state. "Foreign" here means out-of-state, not international — a Delaware LLC operating in Wisconsin is "foreign" to Wisconsin.
Foreign qualification is required when an out-of-state entity has a physical presence, employees, real estate, or significant ongoing business activity in another state. Operating without proper qualification can lead to fines, loss of liability protection, and the inability to bring lawsuits in the host state's courts.
In Wisconsin, foreign qualification requires filing a Certificate of Authority with WDFI, along with a recent certificate of good standing from the entity's home state.
A business entity that combines the personal liability protection of a corporation with the pass-through taxation and operational flexibility of a partnership or sole proprietorship. The most common entity type for new US small businesses.
LLCs protect owners' personal assets — homes, savings, vehicles — from business debts and lawsuits. By default, single-member LLCs are taxed as sole proprietorships and multi-member LLCs as partnerships, but any LLC can elect to be taxed as a C-Corp or S-Corp.
LLCs are governed by an Operating Agreement (internal) and the state's LLC act (external). Members' rights and obligations are highly customizable.
Form a Wisconsin LLC with Anchor Filings — $159 all-in, including the $130 state fee and a custom operating agreement.
Member
An owner of an LLC. Members hold ownership interests (sometimes called "membership units" or simply "interests") that represent their share of the LLC's profits, losses, and voting rights.
An LLC may be member-managed, where members run the day-to-day business directly, or manager-managed, where members appoint one or more managers (who may or may not also be members) to run operations. Both arrangements are documented in the Operating Agreement.
Nonprofit Corporation
A corporation organized for charitable, religious, educational, scientific, or other public-benefit purposes rather than to generate profit for owners. Nonprofits have no shareholders; any surplus revenue is reinvested in the organization's mission.
Nonprofit corporations are formed at the state level (in Wisconsin, with WDFI). To receive federal tax-exempt status — and the ability to accept tax-deductible donations — they must separately apply to the IRS, typically under section 501(c)(3) of the Internal Revenue Code.
The internal governance document of an LLC. The operating agreement spells out ownership percentages, profit and loss allocation, voting rights, decision-making rules, member contributions, transfer restrictions, and what happens when a member dies, leaves, or is added.
Wisconsin does not require an LLC to have a written operating agreement, but courts strongly favor LLCs that do. Without one, the state's default LLC rules apply — which often produce results the members never intended. For multi-member LLCs especially, a custom operating agreement is essential.
A custom operating agreement is included with every LLC formation we file, no extra charge.
Pass-through Taxation
A federal tax treatment under which a business entity itself pays no income tax. Instead, profits and losses "pass through" to the owners and are reported on the owners' personal tax returns at individual rates.
Pass-through is the default treatment for sole proprietorships, partnerships, and LLCs. S-Corporations are also pass-through. The main alternative is C-Corporation taxation, which subjects the business to corporate income tax and shareholders to a second round of tax on dividends.
Registered Agent
An individual or business entity designated to receive legal notices, service of process (lawsuit papers), and official state correspondence on behalf of an LLC or corporation. Every state requires every business entity to maintain a registered agent.
The registered agent must have a physical street address (no PO boxes) in the entity's state of formation and be available during business hours. You can be your own registered agent — but doing so makes your home address part of the public record and means you must always be available to receive legal papers.
A federal tax election (not an entity type) made by an eligible LLC or corporation to be taxed under Subchapter S of the Internal Revenue Code. Profits and losses pass through to shareholders, avoiding the corporate-level tax that applies to C-Corps.
S-Corp election is popular among profitable LLCs because it allows owners to split their income into a "reasonable salary" (subject to self-employment tax) and "distributions" (not subject to self-employment tax) — potentially reducing total taxes. Restrictions apply: no more than 100 shareholders, US residents/citizens only, single class of stock.
An unincorporated business owned and operated by one person, with no legal separation between the owner and the business. The simplest possible business structure — no formation paperwork, no state filing, no separate tax return.
The catch: there is no liability protection. Business debts are the owner's debts. Business lawsuits target the owner personally — including their home, savings, and other assets. Most small businesses outgrow the sole proprietorship structure quickly and form an LLC for protection.
WDFI (Wisconsin Department of Financial Institutions)
The Wisconsin state agency responsible for business entity filings, including LLC and corporation formations, annual reports, amendments, foreign qualifications, and dissolutions. WDFI also regulates banks, credit unions, and securities in Wisconsin.
Most business filings can be submitted to WDFI online through the agency's filing portal. Standard processing is typically a few business days; expedited service is available for an additional fee.
Need Help Filing in Wisconsin?
Knowing the words is one thing. Filing the paperwork is another. Anchor Filings handles every Wisconsin business filing with transparent pricing and a local Madison team.
