LLC vs S-Corp in Oklahoma

Oklahoma has a state personal income tax and a state corporate income tax, which are the two factors that drive the LLC vs S-corp math for a trade business. The Oklahoma Secretary of State handles entity formation. The IRS handles federal tax classification via Form 8832 and Form 2553. The Oklahoma Tax Commission administers the state income taxes and the state sales and use tax. An Oklahoma LLC can elect to be taxed as an S corporation for federal purposes, and Oklahoma conforms to the federal S-corp pass-through for state income tax. Oklahoma LLC basics. - Articles of Organization filed with the Oklahoma Secretary of State under the Oklahoma Limited Liability Company Act (18 O.S. Sections 2000 et seq.). - Filing fee is published by the Secretary of State; verify the current fee on the SOS business filing page before filing. - Single-member LLCs default to disregarded-entity for federal tax. Multi-member LLCs default to partnership tax. Either can elect S corp treatment with IRS Form 2553. - Oklahoma LLCs file an Annual Certificate with the Secretary of State. An Oklahoma LLC in construction also needs: an Oklahoma Tax Commission registration (sales tax, withholding, and use tax where applicable), workers' compensation under 85A O.S., and the applicable Construction Industries Board trade license (electrical, plumbing, or mechanical). Oklahoma corporate and individual income tax. - Oklahoma imposes a corporate income tax on C corporations under 68 O.S. Section 2355. An S corp with a valid federal S election generally passes through income to shareholders and is not subject to Oklahoma corporate income tax on the pass-through income. - Oklahoma imposes an individual income tax under 68 O.S. Section 2355. Shareholders report their pro-rata share of S-corp income on Oklahoma Form 511 (resident) or 511-NR (non-resident) and pay at Oklahoma's individual income tax rates. An Oklahoma S corp files Form 512-S (Oklahoma S Corporation Income Tax Return) and issues Oklahoma Schedule K-1 to each shareholder. - Single-member disregarded-entity LLC income passes through directly to the owner's Schedule C and Oklahoma Form 511. Multi-member LLC income passes through via partnership return (Form 514) and each partner's Schedule K-1. Why an Oklahoma trades shop might elect S corp. The main reason is federal self-employment tax savings. A disregarded-entity LLC owner pays self-employment tax on the full net profit. An S corp owner-employee pays payroll tax on wages only; the distribution portion avoids self-employment tax. Oklahoma's individual income tax applies to either the LLC's pass-through profit or the S corp's wages-plus-distributions, so the state side is neutral between the two structures. The S-corp election is primarily a federal decision. There is one Oklahoma-specific catch: the S corp must pay its owner-employee a reasonable W-2 salary, and Oklahoma withholding, state unemployment tax through the Oklahoma Employment Security Commission, and federal payroll taxes apply to that wage. The owner's retirement plan options (Solo 401(k), SEP-IRA) also differ between the two structures. Run the breakeven with a CPA before electing. Rule of thumb. Start as an Oklahoma LLC. When annual profit after a reasonable owner wage is high enough that federal payroll-tax savings clear the payroll, retirement plan, and accounting costs (ballpark, at least $40k to $50k of net profit after a reasonable W-2 salary), elect S corp. A CPA with Oklahoma construction clients can run the breakeven for your numbers.