Can a sole proprietorship become an LLC in New Hampshire?

Yes, you can convert your sole proprietorship to an LLC anytime by filing Articles of Organization with the New Hampshire Secretary of State and paying the $100 filing fee. You'll need to obtain a new EIN and update business licenses and contracts.

Does an LLC reduce self-employment tax in New Hampshire?

By default, no - single-member LLCs pay the same 15.3% self-employment tax as sole proprietors. However, an LLC can elect S-Corporation status to potentially reduce self-employment taxes on distributions, typically beneficial with profits over $60,000.

How much does it cost to form an LLC in New Hampshire?

The New Hampshire state filing fee is $100 to file Articles of Organization. There are no annual report fees in New Hampshire, making it one of the most cost-effective states for LLC maintenance.

Does an LLC protect personal assets in New Hampshire?

Yes, a properly formed and maintained LLC provides personal liability protection, meaning your personal assets are generally protected from business debts and lawsuits. However, you must maintain proper business practices and avoid commingling personal and business funds.

Can one person own an LLC in New Hampshire?

Yes, New Hampshire allows single-member LLCs. One person can own and operate an LLC, receiving the same liability protection and tax flexibility as multi-member LLCs.

Is a sole proprietorship legal without registration in New Hampshire?

Yes, sole proprietorships don't require state registration in New Hampshire. However, you may need local business licenses, and if operating under a name other than your legal name, you'll need to file a trade name with the Secretary of State.

New Hampshire LLC vs Sole Proprietorship: Complete 2026 Comparison

Discover the key differences between forming an LLC and staying a sole proprietor in New Hampshire, including costs, taxes, and liability protection.

By Edmond Hui · Last updated: January 2026

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LLC vs Sole Proprietorship: Side-by-Side

Factor	LLC	Sole Proprietorship
Personal liability protection	Full protection - personal assets are separate from business debts	No protection - you're personally liable for all business debts
Formation cost & paperwork	$100 state fee + Articles of Organization filing	Free - no registration required in New Hampshire
Taxation	Pass-through by default, but can elect corporate taxation	Pass-through only - reported on personal tax return
Self-employment tax	Same as sole prop by default, but can elect S-Corp to reduce	Full 15.3% self-employment tax on all profits
Business credibility	Professional appearance with 'LLC' designation	Less formal - operates under your personal name
Banking & contracts	Separate business bank account required	Can use personal accounts (not recommended)
State fees in New Hampshire	$100 formation fee, no annual report required	No state fees required
Conversion path to LLC	Already an LLC	Can convert anytime by filing Articles of Organization

When an LLC Makes More Sense

You have personal assets to protect from business liabilities
Your business generates significant income where S-Corp election could save taxes
You want to build business credit separate from your personal credit
You plan to have business partners or investors in the future

When a Sole Proprietorship Makes More Sense

You're testing a business idea with minimal startup costs
Your business has very low liability risk
You want the simplest possible structure with no ongoing paperwork
Your annual profit is under $40,000 where LLC tax benefits are minimal

Tax Deep Dive

Sole Prop Tax

As a sole proprietor in New Hampshire, all business income passes through to your personal tax return and you pay 15.3% self-employment tax on all net profits. New Hampshire has no state income tax, making it particularly attractive for sole proprietors.

Llc Default Tax

A single-member LLC in New Hampshire is taxed identically to a sole proprietorship by default - pass-through income with full self-employment tax. However, LLCs have flexibility to elect different tax treatments as the business grows.

Llc S Corp Election

An LLC can elect S-Corporation tax status to potentially reduce self-employment taxes by taking part salary, part distributions. This typically becomes beneficial when the LLC generates over $60,000 annually, though you should consult a tax professional for your specific situation.

Frequently Asked Questions

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