Who this is for
- US owners adding a business activity or trade name to an existing company
- Owners deciding whether a new LLC should be held directly or by another entity
- S corporation owners considering a subsidiary or holding LLC
Not covered here
- Detailed federal, payroll, state and information return requirements
- Choice of an LLC's tax election
- State registration outside the formation state
- Legal advice about creditor protection or transferring assets and contracts
Can two businesses or brands run inside the same LLC or corporation?
Yes. One LLC or corporation can carry on more than one activity or use more than one brand. The second activity does not, by itself, create a new federal taxpayer or income tax return. The IRS recognizes corporations with multiple trades or businesses and asks for activity details where relevant (Form 1120-S instructions).
Both activities still belong to the same legal company. A trade name and separate bookkeeping do not create a legal wall between them. If separating a venture's legal risk matters, compare a new entity with a lawyer under the states' laws and review contracts, licenses and insurance before transferring the activity.
A sole proprietor owes the business's employment taxes personally, without a willfulness test. For an LLC, corporation or partnership, a person who controls payment of withheld tax, such as a member, officer or partner, can owe that tax personally under IRC section 6672 if the failure to pay is willful (IRS liability guidance; IRS penalty guidance). For payroll withholding, the IRS generally has three years from the following April 15 or the return's later filing date to assess the penalty, then ten years from assessment to collect; missing or false returns and other legal suspensions can change those periods (IRS assessment limits; IRS collection limits).
An LLC is disregarded for federal income tax when its activity appears on its owner's return instead of a separate LLC income tax return.
| Structure | Legal entity carrying the second activity | Usual federal income tax reporting |
|---|---|---|
| Second brand in an existing company | Existing company | With that company's activity; its classification determines the return |
| New single-owner LLC held by you | New LLC, owned by you | On your return unless the LLC elects corporate treatment |
| New single-owner LLC held by your company | New LLC, owned by your company | On the ultimate federal owner's return unless the LLC elects corporate treatment |
| New LLC with multiple federal owners | New LLC, owned by its members | Usually Form 1065 unless it elects corporate treatment |
| One-owner holding LLC over subsidiaries | Each subsidiary; the holding LLC owns their interests | No return for the disregarded holding LLC; each subsidiary's classification controls its reporting |
| Multi-owner holding LLC over subsidiaries | Each subsidiary; the holding LLC owns their interests | Usually Form 1065 for the holding LLC; each subsidiary's classification controls its reporting |
The IRS rules for single-owner LLCs and multi-owner LLCs support the default outcomes in the table. A qualified LLC owned entirely by spouses as community property may instead be treated as disregarded; changing that reporting position is treated as a federal tax conversion (IRS rule). Confirm ownership and the reporting position before assuming Form 1065 is due. An election can also change the defaults; see How LLCs are taxed.
For income tax, a sole owner reports a disregarded business personally, partners and S corporation shareholders report their shares on their own returns, and a C corporation pays tax on its own income (IRS: single-member LLCs; IRS: S corporations; Form 1065 instructions; Form 1120 instructions).
When does a second name need a DBA, and does it get an EIN or return?
A DBA is a trade name, not a new entity. If the name you use publicly differs from the owner's legal name, check the filing rule where you operate. California directs businesses to file fictitious business names with the county of their principal place of business (California Secretary of State); New York corporations and LLCs using another name file a Certificate of Assumed Name with the state (New York Department of State).
The IRS lists the legal name and DBA separately on Form SS-4. A new trade name alone does not call for a new federal income tax return or EIN; the owner and its existing tax obligations remain the same. The SS-4 instructions expressly say a sole proprietor generally uses one EIN across multiple businesses or trade names. A newly formed entity, employees or other tax duties can change the EIN answer.
Should you own a second LLC directly or through your existing company?
Direct ownership of a disregarded LLC normally puts the new activity on your return. Company ownership puts it on that company's return if it files one; otherwise, trace through disregarded entities to the ultimate federal owner. A single-owner LLC normally has no separate federal income tax return (IRS: single-member LLCs).
If you personally own the LLC, its business income normally enters your personal return. If an existing corporation or partnership owns it, the LLC is generally treated as that company's division for federal income tax. That can keep the second operation under the existing company's income tax return while retaining a separate state-law LLC. A corporation-owned LLC's profit does not become your sole-proprietor Schedule C income simply because you own the corporation.
Compare who will sign contracts, hold assets, employ workers, receive profit and bear obligations. Have a lawyer assess the legal separation you need. Ownership transfers after formation may have tax and legal effects; identify the intended owner and existing elections before signing them over. For a second state, see Registering in another state.
Can an S corporation run a second business or own a single-member LLC?
Yes. An S corporation can report more than one activity on its Form 1120-S, and it can own a single-member LLC that has not elected corporate tax status. The subsidiary's income and deductions then enter the S corporation's return as a division (IRS: single-member LLCs; Form 1120-S instructions).
The LLC remains distinct for some other taxes. If it has employees, the disregarded LLC uses its own name and EIN for employment tax reporting; certain excise taxes also treat it separately (IRS: single-member LLCs). A subsidiary that elects corporate status changes the federal return structure. See How S corporations are taxed.
Can a holding LLC own an S corporation without ending its S election?
Only if the person treated as owning the S corporation stock is an eligible S shareholder. A disregarded holding LLC can hold the stock when its sole tax owner is eligible. The S corporation answers Form 1120-S Schedule B, question 3 and attaches Schedule B-1 identifying the LLC and its federal owner (IRS: S corporation eligibility; Schedule B-1).
A holding LLC with multiple federal owners is generally a partnership, so putting existing S corporation shares into it can invalidate the election. A holding LLC taxed as a C corporation has the same shareholder problem. A qualifying new holding corporation can instead hold the old S corporation as a QSub in an F reorganization; the old S election carries over to the parent without a new Form 2553. The parent's authorized officer signs Form 8869 for the subsidiary, generally from 12 months before through 2 months and 15 days after its requested effective date (IRS ruling; Form 8869 instructions). If that election was late, Rev. Proc. 2013-30 may provide relief within three years and 75 days when its conditions are met (IRS late-election relief). Verify the actual tax owner and elections before moving S shares. If an ineligible shareholder takes the stock, the S election generally ends on the day the corporation loses eligibility (Form 1120-S instructions).
When does an LLC owned by another company file its own federal income tax return?
An LLC's federal classification, not its place on an ownership chart, answers that question. A domestic LLC with one federal owner is normally disregarded and reports income on that owner's return; with multiple federal owners, it is normally a partnership filing Form 1065; an LLC that elects corporate treatment files under corporate rules (IRS: single-member LLCs; Form 1065 instructions).
For corporate treatment, current members or an authorized officer, manager or member sign Form 8832; a former owner also signs if the election covers their ownership period. Its effective date is generally no more than 75 days before filing or 12 months after filing. A classification change by election generally bars another such change for 60 months, except an initial election effective on formation and other limited relief (Form 8832 instructions). An eligible LLC can instead elect S treatment on Form 2553, signed by an authorized officer with shareholder consent, generally within 2 months and 15 days after its effective tax year begins (Form 2553 instructions).
Trace ownership through every disregarded LLC to find the federal owner. The same state-law LLC may still have its own payroll, excise and state filings. A wholly foreign-owned U.S. disregarded LLC with reportable related-party transactions may also need Form 5472 attached to a pro forma Form 1120, even though it has no separate income tax return (Form 5472 instructions). See Which returns your business files for the full filing map.
Do several ventures in one company mean one return or separate Schedules C?
One corporation generally files its own Form 1120 or Form 1120-S for its activities; one partnership generally files Form 1065. Distinct brands do not create another entity return (Form 1120 instructions; IRS: S corporations; Form 1065 instructions).
An individual operating more than one separate sole-proprietor business files a separate Schedule C for each business, even if the businesses share an owner or disregarded LLC. A brand is not necessarily a separate business; look at the actual activities rather than the number of names (Schedule C instructions). Keep the records needed to distinguish activities even when they appear on one entity return.
Would a holding company add a federal return?
Sometimes. A one-owner holding LLC without a corporate election normally adds no federal income tax return for itself. A disregarded subsidiary's activity reaches the ultimate owner's return, but a subsidiary classified as a partnership or corporation may file its own return. A multi-owner holding LLC normally files Form 1065, subject to the spouse-owned community property exception above; a holding company taxed as a corporation generally has its own corporate return (IRS: single-member LLCs; Form 1065 instructions; Form 1120 instructions).
Count tax returns by each entity's classification, not by the words “holding company.” If the holding LLC will own S corporation shares, confirm its federal tax owner is an eligible S shareholder (IRS: S corporations). The LLC classification guide explains elections.
Does each LLC or series add state filings and annual costs?
It can. Federal disregard does not erase state obligations. California generally charges its $800 annual tax to an LLC organized, registered or doing business there. A partnership-classified or disregarded LLC generally files Form 568 under those conditions. California-source income can require a filing without them, but the form depends on classification and registration. An LLC taxed as a corporation follows California corporate filing and tax rules instead (California Form 568 booklet). A second California LLC can therefore add another filing and tax without adding a federal income tax return.
States set their own formation, registration, report, annual tax and franchise-fee rules. California treats certain qualifying series as separate LLCs for Form 568 and the LLC annual tax and fee when they are registered or doing business there (California Form 568 booklet). For the California amounts and exceptions, see California minimum tax and LLC fee; for operations elsewhere, see Registering in another state.
Can a series LLC replace separate LLCs, and is each series a separate taxpayer?
A series LLC may separate assets under the law of the state that creates it, but it is not a universal substitute for separate LLCs or a guarantee of one tax return. Delaware, for example, ties its registered-series liability limits to separate asset records and required filings (Delaware LLC Act). California says a series LLC cannot be formed there and describes separate payment and return procedures for series operating there (California Franchise Tax Board).
Federal treatment needs care: the IRS published proposed, rather than final, series classification rules. That proposal would treat a domestic series as an entity formed under local law and notes limited specific guidance under current law. Do not assume every series files separately or that the whole arrangement files once based on the series label alone (IRS proposed series rules). Have a lawyer check liability and other-state recognition, and confirm the federal and each state's filing treatment before using a series.
How should you track income, expenses and transfers?
Keep a complete, separate record for each business activity, even within one company. The IRS says separate records support accurate income, expense and tax reporting for multiple businesses (Publication 583).
- Record sales, direct expenses, assets and debts by activity. Use a consistent, documented method for shared costs.
- For separate entities, keep each entity's books and accounts distinct. Record transfers as the actual transaction, such as a contribution, distribution, loan or payment for goods or services; retain the agreement and supporting documents.
- Keep the ownership chart, formation papers, DBA registrations, tax elections, EIN notices, state registrations and prior returns together. These establish who owns each activity and what each entity files.
Example
Illustrative only; all amounts are US dollars. One person owns an S corporation providing consulting services. The corporation starts an online store under a registered trade name. Consulting brings in $100,000 of receipts and $40,000 of expenses; the store brings in $60,000 of receipts and $35,000 of expenses. Both activities belong to the S corporation, which tracks them separately and includes their $85,000 combined illustrative profit on one Form 1120-S, before other items.
If the S corporation instead forms and solely owns a new LLC for the store, and that LLC remains disregarded, the store's $25,000 illustrative profit still flows into the corporation's Form 1120-S. The LLC may nevertheless need its own payroll, excise or state filings. If the person owns the new disregarded LLC directly, the corporation reports its $60,000 illustrative consulting profit on Form 1120-S, while the person generally reports the store's $25,000 on Schedule C. The ownership documents change the answer, even though the store operates the same way (IRS: single-member LLCs).
Different for you?
- You need to identify every business return: use Which returns your business files.
- You are considering an LLC tax election: use How LLCs are taxed.
- You are moving S corporation shares under a holding company or changing an S subsidiary: confirm shareholder eligibility and election effects before signing. See How S corporations are taxed and Business formation.
- The second business will operate in another state: see Registering in another state.
- Your LLC or series operates in California: see California minimum tax and LLC fee.
- The new venture holds rental property: see Rental property in an LLC.
- You need to choose the owner, document transfers or assess legal separation: bring the ownership chart, current elections, state filings, contracts and separate books to Business formation.
Figures on this page
| Figure | Value | Source |
|---|---|---|
| QSub election filing window after requested effective date Form 8869 generally must be filed no later than this after the requested effective date; it can also be filed up to 12 months before that date | 2 months and 15 days | IRS: Instructions for Form 8869 Checked |
| Form 8832 retroactive effective-date limit An entity classification election generally cannot take effect earlier than this before filing | 75 days | IRS: Form 8832 and instructions Checked |
| Form 8832 future effective-date limit An entity classification election generally cannot take effect later than this after filing | 12 months | IRS: Form 8832 and instructions Checked |
| Form 2553 ordinary election deadline File after the effective tax year begins; filing during the preceding tax year is also permitted | 2 months and 15 days | IRS: Instructions for Form 2553 Checked |
| California LLC annual tax Annual tax for LLCs organized or doing business in California, subject to exceptions | $800 | California Franchise Tax Board: Limited liability company Checked |
Primary sources
- IRS: Instructions for Form SS-4
- IRS: Single member limited liability companies
- IRS: S corporations
- IRS: Instructions for Form 1120-S
- IRS: Instructions for Form 1065
- IRS: Instructions for Form 1120
- IRS: Instructions for Form 5472
- IRS: Form 8832 and instructions
- IRS: Instructions for Form 2553
- IRS: Instructions for Form 8869
- IRS: Schedule B-1 (Form 1120-S)
- IRS: Instructions for Schedule C
- IRS: Publication 583, Starting a Business and Keeping Records
- IRS: About Form 8869
- IRS: Late election relief
- IRS: Revenue Ruling 2008-18
- IRS: Employment tax and trust fund recovery penalty
- IRS: Liability for unpaid employment taxes
- IRS: Trust fund recovery penalty time limits
- IRS: Time IRS can collect tax
- IRS: Proposed series LLC regulations
- California Secretary of State: Business entity FAQs
- New York Department of State: Business entity FAQs
- California Franchise Tax Board: Limited liability company
- California Franchise Tax Board: Series LLC
- California Franchise Tax Board: Form 568 booklet
- Delaware Code: Limited Liability Company Act, series
About this guide
Edited and reviewed by Di Lu, CPA on . It explains general rules for the tax year shown. It is not advice for your situation.
Changes
- : First published.