Bookkeeping Basics
Business Entity Formation: Decisions, Steps, and Bookkeeping
Plan business entity formation by comparing structure, liability, tax, ownership, state filing, EIN, banking, licenses, records, and bookkeeping.
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Business entity formation is the process of choosing and creating the legal structure through which a business operates. The choice can affect personal liability, ownership, governance, taxes, payroll, financing, continuity, filings, and bookkeeping.
Formation is a legal and tax decision, not a form-filling shortcut. State law, owner facts, industry rules, professional licensing, and federal tax classification vary. Use this guide to organize questions and records, then obtain legal and tax advice for the actual choice.
Common structures
| Structure | General feature | Formation and bookkeeping focus |
|---|---|---|
| Sole proprietorship | One individual operates without a separate state entity | Separate records, trade name, licenses, tax schedules |
| General partnership | Two or more owners carry on a business together | Agreement, capital, allocations, partner transactions |
| Limited liability company | State-law entity with flexible ownership | Operating agreement, member capital, federal classification |
| C corporation | Separate corporation and taxpayer | Stock records, payroll, governance, corporate tax |
| S corporation | Eligible entity with a federal tax election | Election, owner payroll, distributions, basis records |
| Nonprofit corporation | State entity formed for qualifying purposes | Restrictions, governance, exemption application, fund records |
The SBA notes that structure affects operations, taxes, fundraising, paperwork, and personal liability. The table is only a general orientation. State protections, ownership rules, professional-entity requirements, and federal elections need specific review.
LLC is not a tax return
An LLC is created under state law. For federal income tax, a single-member LLC may generally be disregarded by default, a multi-member LLC may generally be treated as a partnership by default, and an eligible LLC can elect corporate treatment. Actual classification and elections depend on the facts and filings.
An S corporation is a federal tax status that an eligible corporation or other eligible entity may elect. It is not a substitute name for every LLC. Owner compensation, distributions, basis, payroll, and state treatment require careful administration.
Questions before choosing
- Who owns the business now, and how may ownership change?
- What capital, loans, property, services, or intellectual property will each owner contribute?
- How will voting, profit, loss, distributions, compensation, and exits work?
- What personal, professional, product, contract, or employee risks exist?
- Will the business seek investors, grants, government work, or institutional financing?
- Which federal, state, local, and foreign taxes may apply?
- What payroll, benefit, licensing, insurance, and governance duties follow?
- What happens on death, disability, dispute, sale, or dissolution?
Formation workflow
- Choose the owners, state, structure, legal name, and business purpose with advisers.
- Check name availability, trademarks, trade names, domains, and professional restrictions.
- File the required formation or registration documents and appoint an agent where required.
- Adopt the operating agreement, bylaws, resolutions, ownership records, and authorization matrix.
- Obtain an EIN when required and confirm federal tax classification and elections.
- Register for state and local taxes, payroll, unemployment, workers’ compensation, licenses, and permits.
- Open dedicated bank, card, payroll, processor, and accounting accounts in the legal name.
- Fund the entity and record equity, debt, property, and startup costs from source documents.
- Create a compliance calendar and complete beneficial-ownership analysis under current rules.
- Review insurance, contracts, invoicing, employment, privacy, and record retention before operating.
EIN and registrations
An employer identification number is a federal tax identifier. The IRS offers EIN applications directly and warns businesses to complete legal formation before applying for an EIN for the new entity. Not every structural or name change requires a new EIN, while some ownership or structure changes do.
An EIN does not replace state entity numbers, payroll registrations, sales-tax permits, professional licenses, local permits, or tax-exempt determinations. Maintain a register of every account, agency, identifier, filing frequency, responsible person, credential owner, and renewal.
Current beneficial-ownership reporting
FinCEN currently states that all entities created in the United States are exempt from Corporate Transparency Act beneficial ownership information reporting. Under the revised rules, certain entities formed under foreign law and registered to do business in a U.S. jurisdiction can remain reporting companies if no exemption applies.
This area changed materially in 2025 and could change again. Use FinCEN’s current guidance on the decision date. Do not file sensitive owner information with a private solicitation or outdated website without verifying the official requirement and destination.
Formation bookkeeping
Keep formation filings, governing documents, ownership ledger, tax elections, EIN confirmation, permits, licenses, bank records, insurance, capitalization table, contribution documents, loan agreements, and professional invoices. Record the payer, entity, date, purpose, and whether the item is equity, debt, reimbursable, an asset, a startup cost, or another category.
Do not record founder deposits or investor proceeds as customer revenue. Do not treat every formation cost as immediately deductible. Book and tax treatment can differ for organizational costs, startup costs, property contributions, stock issuance, and debt.
Owner transactions
Create separate accounts for contributions, distributions, loans, payroll, guaranteed payments, reimbursements, and other owner activity appropriate to the entity. Support loans with written terms, approval, interest where applicable, payment history, and classification review.
Maintain ownership percentages, units or shares, acquisition dates, consideration, transfers, vesting, redemptions, and capital changes outside the general ledger as well as in it. Reconcile legal ownership records to equity accounts.
Preserve separation and governance
Use contracts, invoices, bank accounts, and signatures in the entity’s correct legal name. Follow approval and governance requirements. Record material decisions, related-party transactions, distributions, loans, and conflicts. Renew licenses, reports, agent details, and registrations.
Entity formation does not guarantee liability protection in every circumstance. Personal guarantees, professional conduct, commingling, undercapitalization, fraud, and failure to follow law can create exposure. Ask qualified counsel about the specific risks.
Common mistakes
- Forming in another state without analyzing foreign registration and total compliance.
- Choosing an S election solely from an online tax-savings claim.
- Using a personal bank account after formation.
- Failing to document owner contributions, loans, or ownership promises.
- Missing payroll, sales-tax, local, industry, or annual-report registrations.
- Following obsolete BOI instructions.
- Letting the formation service own credentials or withhold entity records.
Review after formation
Revisit structure after a new owner, financing, employee plan, material contract, state expansion, acquisition, profit change, or succession event. A conversion or election may create tax, legal, contractual, and accounting consequences, so plan before filing.
Complete an annual entity checklist covering state standing, agent, licenses, insurance, governance records, ownership ledger, elections, payroll, tax accounts, contracts, bank authority, system users, and unresolved notices. Record who reviewed each item and preserve current confirmations.
Connect formation to startup bookkeeping, establish bookkeeping basics, and compare accountant alternatives.
Frequently asked questions
Is an LLC the best entity?
No structure is universally best. Ownership, liability, tax, financing, profession, state, governance, cost, and exit plans determine the fit.
Is an LLC the same as an S corporation?
No. An LLC is a state-law structure; S corporation status is a federal tax election available to eligible entities that meet requirements.
When should I get an EIN?
After the new legal entity is properly formed when an EIN is required. Use the IRS directly and confirm whether a change requires a new number.
Do U.S.-created entities currently file BOI reports?
Current FinCEN guidance exempts U.S.-created entities. Certain foreign-formed registered entities may remain in scope, so verify current official rules.
What formation records should I keep?
Keep filings, governing documents, ownership records, elections, EIN, registrations, licenses, funding support, bank records, contracts, and approvals.
Can I change entity type later?
Often, but conversion can affect tax, contracts, licenses, ownership, debt, payroll, and dissolution. Obtain advice before changing.
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