A comparison of the tax advantages and disadvantages of a corporations versus sole proprietorships, partnerships, LPs, LLCs, and LLPs:
Corporation | Sole Proprietor / Partnership / LLC / LLP | |
Borrowing from retirement plan permitted | Yes, subject to certain limitations | No |
Retirement plan contribution limited to earnings from business for which plan was established | No | Yes |
Additional limitation on deducting retirement plan contributions used to purchase insurance | No | Yes |
Limitation on forward averaging for certain distributions from retirement plan | No | Yes |
Possible net operating loss from plan contributions | Yes | No |
May acquire basis in retirement plan life insurance | Yes | No |
Interest in retirement plan forfeitures | Yes | No |
Entitled to $10,000 minimum funding for defined benefit plans | Yes | No |
Entitled to qualified health plan participation | Yes | No |
Entitled to qualified sickness, accident, or disability wage continuation plan participation | Yes | No |
Entitled to qualified group term life insurance plan participation | Yes | No |
Entitled to $5000 qualified death benefit | Yes | No, but similar amount available from qualified retirement plan |
70-percent dividend received deduction available | Yes | No |
Clear separation of personal and business expenses | Yes | No |
IRC §303 stock redemption treatment available | Yes | No |
Unlimited liability | No | Yes (No for limited liability partnership) |
Unreasonable compensation problem | Yes | No |
IRS may, under some circumstances, disregard corporate entity for tax purposes | Yes | No |
May be subject to double taxation | Yes | No |
Subject to tax on unreasonable accumulation of earnings and profits | Yes | No |
May be subject to personal holding company tax | Yes | No |
Must pay Federal Unemployment Tax Act (IRC §§3301-3311) taxes | Yes | No |
Must pay California unemployment taxes and workers’ compensation premiums | Generally | No |
Must pay minimum California franchise tax annually | Yes | Depends |
May be subject to income bunching on incorporation | Yes | No |
Corporation may have to capitalize partnership retirement payment obligations it assumes | Yes | Not applicable |
Higher tax cost of liquidation | Yes | Depends |
Must pay social security taxes | Yes | Yes |
Net operating loss limitations | Yes | No |
Passive activity loss limitations | Yes | No |
Expense payments to employees may be reclassified as constructive dividends | Yes | Not applicable |
May be subject to additional reporting rules | Yes | Yes |
Alternative minimum tax on buy-sell agreements funded by corporate-owned life insurance | Yes | Not applicable |
Can zero out taxable income | Yes, but difficult | Yes |
S corporation election | Yes | Not applicable |
Higher legal and accounting costs | Yes | No |
Professional employees must respect financial separateness of corporation | Yes | No (Yes for limited liability partnership) |