Limited liability company (LLC) members commonly claim that their distributive shares of LLC income — after deducting compensation for services in the form of guaranteed payments — aren’t subject to self-employment (SE) tax. But the IRS has been cracking down on LLC members it claims have underreported SE income, with some success in court.
SE tax background
Self-employment income is subject to a 12.4% Social Security tax (up to the wage base) and a 2.9% Medicare tax. Generally, if you’re a member of a partnership — including an LLC taxed as a partnership — that conducts a trade or business, you’re considered self-employed.
General partners pay SE tax on all their business income from the partnership, whether it’s distributed or not. Limited partners, however, are subject to SE tax only on any guaranteed payments for services they provide to the partnership. The rationale is that limited partners, who have no management authority, are more akin to passive investors.