10 Essential Legal Documents Every Small Business Needs in 2026
Most new business owners don't realize they need a stack of legal documents until something goes wrong — an employee walks off with a client list, a contractor sues over unpaid work, a co-founder leaves without a clear agreement on equity. By then, the cost of fixing it far exceeds what drafting the right document upfront would have cost.
Here are the 10 documents most small businesses need in their first year. We'll cover what each one protects you from, when you need it, and what to include.
1. Operating Agreement (LLC) or Bylaws (Corporation)
What it is: The internal rulebook for how your company operates — who owns what percentage, how decisions get made, what happens if a founder leaves.
Why you need it: Most states don't require LLCs to have an operating agreement, but without one, your business is governed by the state's default rules — which usually aren't what you actually want. For corporations, bylaws are required to maintain good standing.
Key clauses: Ownership percentages, capital contributions, profit distribution, management structure (member-managed vs. manager-managed), voting rights, transfer restrictions, dissolution triggers.
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2. Non-Disclosure Agreement (NDA)
What it is: A contract where one or both parties agree to keep specific information confidential.
Why you need it: You'll need one before showing a potential investor your deck, sharing source code with a contractor, discussing an acquisition, or hiring someone who'll see customer data.
Unilateral vs. mutual: A unilateral NDA protects one party's information (common when you share with a vendor). A mutual NDA protects both parties (common when exploring partnerships or sales).
3. Independent Contractor Agreement
What it is: A contract defining the scope of work, payment terms, IP ownership, and relationship between your business and a freelancer or consultant.
Why you need it: Without one, three things go wrong: (1) contractors can claim they're actually employees (costing you payroll taxes and benefits retroactively), (2) you may not own the work they produce, (3) you have no recourse if they miss deadlines or disappear.
Must-have clauses: Scope of work, deliverables, payment terms, independent contractor status (not employee), work-for-hire / IP assignment, confidentiality, termination.
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4. Employment Agreement (for first W-2 hires)
What it is: A formal offer letter and employment contract specifying role, compensation, benefits, and termination terms.
Why you need it: The day you hire your first W-2 employee, you trigger a stack of obligations — employment taxes, workers' comp, unemployment insurance, anti-discrimination laws. An employment agreement documents the deal and protects both sides.
Typical structure: Position & duties, compensation, benefits, at-will employment clause (for most US states), confidentiality, IP assignment, termination procedure, severance (if any).
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5. Service Agreement / Master Services Agreement (MSA)
What it is: The contract you use with your paying customers. Defines what you're providing, what they owe you, liability limits, and what happens if either side fails.
Why you need it: If you're selling services, this is the document that gets you paid (and protects you from getting sued). Sloppy MSAs cause 90% of B2B customer disputes.
Essentials: Scope of services, payment terms (net-30, late fees, payment methods), acceptance criteria, limitation of liability, indemnification, confidentiality, term & termination, governing law.
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6. Privacy Policy + Terms of Service
What they are: The legal framework for your website or app.
Why you need them: If you collect any data from users (even just email addresses for a newsletter), you're subject to privacy laws — CCPA in California, GDPR if you have EU users, state-level laws cropping up everywhere else. Terms of Service establishes the rules users agree to when they use your product.
Privacy policy must cover: What data you collect, how you use it, who you share it with, user rights (access, deletion), contact info for privacy requests, effective date.
7. Intellectual Property (IP) Assignment Agreement
What it is: A contract transferring ownership of intellectual property — code, designs, brand elements, inventions — from whoever created it to your company.
Why you need it: If a co-founder, employee, or contractor creates anything for your business without an IP assignment, they might own it — not your company. This blows up during fundraising and M&A due diligence.
When to use: Anytime someone contributes to your product. Ideally signed before work begins.
8. Founders' Agreement (for co-founders)
What it is: An agreement between co-founders covering equity splits, vesting, roles, decision-making, and what happens if someone leaves.
Why you need it: Unvested equity is the #1 reason startups implode. A co-founder who leaves in month 3 shouldn't walk with 25% of the company. A founders' agreement with vesting fixes this.
Typical terms: Equity split, 4-year vesting with 1-year cliff, roles & responsibilities, decision rights, departure scenarios, IP assignment, non-compete (where enforceable).
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9. Commercial Lease Agreement (if you rent office or retail space)
What it is: A contract between your business and a landlord specifying rent, term, maintenance duties, and exit terms for a commercial space.
Why you need it: Commercial leases are very different from residential ones — landlords have more leverage, terms are typically longer (3-5+ years), and small print around build-out costs, CAM (common area maintenance) fees, and personal guarantees can cost you personally if the business fails.
Negotiate hard on: Personal guarantee (try to limit or remove), CAM fees (get an estimate), early termination rights, assignment rights (can you sublease?).
10. Bill of Sale (for significant asset purchases)
What it is: A document transferring ownership of tangible property — equipment, vehicles, inventory — from seller to buyer.
Why you need it: Anytime your business buys or sells significant physical assets, you need a paper trail. Buying a used vehicle, selling old equipment, transferring inventory between entities — all need a bill of sale for your records, your taxes, and (for vehicles) the DMV.
Include: Full description including serial numbers/VINs, purchase price, payment method, condition ("as-is" if applicable), seller's warranty (or disclaimer), signature of both parties, date, notarization (optional but recommended for big-ticket items).
The honest truth about legal templates
These templates will get you 80-90% of the way to a legally sound document. For most small-business situations, that's plenty — far better than operating with nothing, or cutting-and-pasting a template a friend forwarded you.
For the remaining 10-20% — high-stakes situations, complex multi-party deals, jurisdiction-specific quirks, or disputes that are already brewing — hire an attorney. A $99-299 review of your generated document before it gets signed is some of the cheapest insurance in business. Learn how our attorney review process works →
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