Boston Startup Legal Checklist: 15 Things to Do Before Launching

Boston startup legal checklist — those five words might not be the most exciting thing you Googled today, but if you’re about to launch a company in Massachusetts, they might be the most important. Boston has one of the most active startup ecosystems in the country. You’ve got world-class research universities, deep venture capital networks, and a talent pool that other cities would kill for. But none of that matters if you skip the legal groundwork before your first day of business.

The hard truth is that most founders don’t lose their companies to bad products or bad marketing. They lose them to preventable legal problems — the wrong business structure, a co-founder dispute without a written agreement, or an IP ownership mess that surfaces right when a serious investor comes knocking.

This guide is designed for founders who are serious about doing this right. Whether you’re building a biotech company in the Seaport District, a SaaS startup in Cambridge, or a consumer brand launching out of Allston, the legal steps you take before launch will shape everything that comes after. We’ve put together 15 concrete things you need to handle before you open your doors, with Massachusetts-specific details throughout. Read it, save it, share it with your co-founder. Then actually do the work.

Why the Boston Startup Legal Checklist Matters More Than You Think

Boston is a phenomenal place to build a company. It’s one of the top cities in the country for venture capital investment, life sciences, and deep tech. But it’s also a state with its own specific compliance requirements, tax structures, and regulatory quirks that differ from, say, Delaware or California.

Massachusetts startup compliance isn’t optional — it’s the foundation. Skipping it doesn’t just put you at legal risk; it makes you unattractive to investors, unprotectable from competition, and exposed to liability that could wipe you out personally. The steps in this Boston startup legal checklist aren’t bureaucratic busywork. They’re the things that make your company real and defensible.

1. Choose the Right Business Entity Structure

The first item on any startup legal checklist is picking your business structure, and this decision has long-term consequences. Your entity type determines how you’re taxed, how much personal liability you carry, and how easily you can raise outside capital.

In Massachusetts, your main options are:

• LLC (Limited Liability Company): Flexible, tax-efficient, and great for small teams or founders who want simplicity. Your profits pass through to your personal tax return, and you’re protected from most personal liability.
• C-Corporation: The gold standard for venture-backed startups. If you plan to raise institutional capital or issue equity to employees, a C-Corp (often incorporated in Delaware but registered to do business in Massachusetts) is almost always the right move.
• S-Corporation: Has shareholder restrictions that often make it impractical for startups. Generally not the right fit unless you have a very specific tax strategy.
• Sole Proprietorship or General Partnership: Simple to form, but these offer zero liability protection. If something goes wrong, your personal assets are on the table.

Most Boston tech startups that plan to raise money incorporate as C-Corps in Delaware but register as a foreign corporation in Massachusetts. If you’re not planning to raise venture capital and want simplicity, a Massachusetts LLC works well.

2. File Your Formation Documents with the Secretary of the Commonwealth

Once you’ve picked your structure, you need to make it official. In Massachusetts, business formation is handled through the Office of the Secretary of the Commonwealth.

• LLCs file a Certificate of Organization (filing fee: $500)
• Corporations file Articles of Incorporation (filing fee: $275)
• Foreign corporations (incorporated in Delaware or another state) file a Foreign Corporation Registration to do business in Massachusetts

These documents establish your business as a legal entity in the eyes of the state. Filing online through the Secretary of the Commonwealth’s Corporations Division portal is the fastest route. Once filed, your entity legally exists in Massachusetts.

If you’re already incorporated in Delaware (common for VC-backed startups), you still need to register as a foreign corporation in Massachusetts to legally operate here.

3. Get Your Employer Identification Number (EIN)

An Employer Identification Number (EIN) is your company’s federal tax ID. You need it to:

• Open a business bank account
• File federal and state taxes
• Hire employees or contractors
• Apply for certain business licenses

You can apply directly through the IRS website at no cost. The process takes about 15 minutes and you’ll get your EIN immediately. There’s no reason to pay a third party to do this for you.

4. Register for a Business Certificate (DBA) in Boston

If you’re operating your business under a name other than your legal entity name — which is the case for most companies — you need to file a business certificate with the City of Boston. This is Massachusetts’s version of a “doing business as” (DBA) registration.

The filing fee for a business certificate in Boston is $65. If you are not a Massachusetts resident but want to conduct business in the state, an additional $35 applies.

You can file at the City Clerk’s Office at City Hall or, in some cases, online. Business certificates in Boston must be renewed every four years. This is a simple step that trips up a surprising number of founders.

DBA certificates are filed with the Office of the Town Clerk in the community where the business is principally headquartered. If your principal office is outside Boston proper, check with your local city or town clerk.

5. Draft a Founders’ Agreement Before Anything Else

If you have a co-founder — and most startups do — you need a founders’ agreement in place before you write a single line of code or pitch a single investor. This is one of the most skipped items on the Boston startup legal checklist, and it causes more damage than almost anything else.

A solid founders’ agreement covers:

• Equity split — who owns what percentage and why
• Vesting schedule — typically four years with a one-year cliff, so no one walks away with a third of the company after three months
• Roles and decision-making authority — who runs what
• Intellectual property assignment — all work done for the company belongs to the company, not to individual founders
• What happens if someone leaves — buyout rights, reverse vesting, non-compete clauses

Handshake deals between friends do not hold up. Get this in writing before the relationship gets complicated by money, stress, or diverging visions.

6. Set Up a Vesting Schedule for Founder Equity

Related to your founders’ agreement is the question of equity vesting. Standard practice in the startup world is a four-year vesting schedule with a one-year cliff. That means:

• No equity vests until 12 months of service (the cliff)
• After the cliff, 25% vests immediately
• The remaining 75% vests monthly over the following 36 months

This structure protects the company from a scenario where a co-founder leaves early but keeps a large chunk of equity. It also signals maturity to investors — they expect to see vesting schedules in place before they write a check.

If you’re issuing equity to early employees or advisors, you’ll want vesting on those grants too. Early employee equity typically follows the same four-year schedule.

7. Protect Your Intellectual Property Early

Intellectual property (IP) protection is where a lot of Boston startups — especially those coming out of universities — run into serious trouble if they’re not careful.

Here’s what you need to think about:

Trademarks

Your brand name and logo are protectable as federal trademarks. File an application with the U.S. Patent and Trademark Office (USPTO) before you launch publicly. A trademark search beforehand is essential — you don’t want to build a brand for a year and then get a cease-and-desist letter.

Patents

If your product involves a novel invention or technical process, you may have patent protection available. File a provisional patent application early to establish your priority date. You then have 12 months to file a full utility patent application. Patent law is complex — get a qualified IP attorney involved.

Copyrights

Software, written content, designs, and other creative works are protected by copyright automatically upon creation, but registering your copyright with the U.S. Copyright Office gives you stronger legal standing if you ever need to enforce it.

IP Assignment Agreements

Every founder, employee, and contractor who does work for your company must sign an IP assignment agreement. This document transfers any work they create in the course of their work to the company. Without it, the person who wrote your code or designed your product might technically own it. This is not a technicality — it’s a real problem that has killed acquisition deals and funding rounds.

8. Assign Intellectual Property from University Research (If Applicable)

Boston is home to MIT, Harvard, Boston University, Northeastern, and dozens of other research institutions. If your startup is based on research conducted at a university, you have a specific IP problem to solve: most universities own the intellectual property created by their students, faculty, and staff using university resources.

Before you commercialize any technology developed at a university, work with the university’s technology licensing office (TLO) to understand what rights the institution holds and how to license or acquire them. Getting this wrong is a company-ending mistake. Many successful Boston startups have had to negotiate these agreements early — don’t skip it.

9. Secure the Right Business Licenses and Permits in Massachusetts

Most businesses in Massachusetts need some form of license, permit, or registration at the local (city/town), state, or federal level. There is no general statewide “Massachusetts business license” — licensing depends on business type and location.

For Boston startups, common requirements include:

• Local business certificate (the DBA we covered in step 4)
• Sales tax registration with the Massachusetts Department of Revenue via MassTaxConnect, if you’re selling taxable goods or services
• Professional licenses, depending on your industry (healthcare, legal, financial services, construction, food service, etc.)
• Federal licenses, for regulated industries like broadcasting, investment advising, firearms, or alcohol

Specific industries like food service, childcare, construction, and alcohol sales require additional permits. Failing to secure the proper licenses may result in fines or closure.

Check with the Massachusetts Licenses and Permits page on Mass.gov and consult your local city or town clerk to make sure you haven’t missed anything specific to your industry or location.

10. Open a Dedicated Business Bank Account

This one sounds simple, but you’d be shocked how many early-stage founders mix their personal and business finances for the first six months. Don’t do it.

Keeping your business finances separate is important for several reasons:

• It maintains the legal separation between you and your company, which is what actually protects your personal assets under an LLC or corporation
• It makes accounting, tax prep, and financial reporting dramatically easier
• It builds financial credibility with investors and lenders
• It’s legally required in many states to maintain your liability protection

To open a business bank account, you’ll typically need your EIN, your formation documents, and a government-issued ID. Many Boston-area banks and credit unions offer startup-friendly accounts with low fees. It’s also worth looking at fintech options built specifically for startups.

11. Draft Essential Business Contracts and Agreements

Strong contracts are the backbone of a healthy startup. Before you launch, you should have templates ready for the agreements you’ll use regularly.

The most important ones for early-stage Boston startups include:

• Non-Disclosure Agreement (NDA): Use this before sharing proprietary information with potential partners, investors, or employees.
• Consulting or Contractor Agreement: Covers scope of work, payment terms, confidentiality, and IP assignment for anyone you hire as an independent contractor.
• Customer/Client Agreement: Defines the terms of your service, payment expectations, limitation of liability, and dispute resolution.
• Employment Agreement: For full-time hires, this covers role, compensation, equity, confidentiality, and non-solicitation.
• Terms of Service and Privacy Policy: If you’re operating a website or app that collects user data, these are not optional.

Don’t pull these off random free-template websites. Have a startup attorney review or draft your standard agreements. The cost is minimal compared to the exposure of a poorly written contract.

12. Register for Massachusetts State Taxes

Massachusetts tax compliance for startups involves more than just federal income taxes. Here’s what you need to register for:

• MassTaxConnect — the state’s online tax portal, where you register your business and manage state tax filings
• Sales tax — Massachusetts has a 6.25% sales tax on tangible goods and certain services. If you’re selling taxable products or SaaS that falls under Massachusetts sales tax rules, you need to collect and remit this tax.
• Payroll taxes — If you’re paying employees, you need to register for Massachusetts withholding and unemployment insurance taxes
• Corporate excise tax — Massachusetts charges corporations an 8% corporate excise tax on net income, with a minimum excise based on the value of assets or net worth

Tax requirements differ based on your entity type and revenue. Consult a CPA familiar with Massachusetts startup taxation to set up your filings correctly from day one.

13. Get the Right Business Insurance

Business insurance isn’t glamorous, but it’s a genuine necessity. Depending on your industry and structure, you may need:

• General Liability Insurance: Covers third-party claims for bodily injury or property damage. Most landlords and many clients require it.
• Professional Liability (Errors and Omissions): Covers claims that your service or advice caused a client financial harm. Essential for SaaS companies, consultants, and professional services firms.
• Directors and Officers (D&O) Insurance: Protects founders and board members from personal liability related to their decisions. Most serious investors expect to see this in place.
• Workers’ Compensation: Required by Massachusetts law if you have any employees, even part-time. The penalty for not having it is significant.
• Cyber Liability Insurance: Increasingly important for any company handling customer data.

Talk to a business insurance broker who has experience working with Massachusetts startups. Insurance needs vary significantly by industry.

14. Understand Massachusetts Employment Law Before Your First Hire

Massachusetts is a pro-employee state, and its labor laws are more protective than federal minimums in several areas. Before you hire your first employee, you need to understand:

• Massachusetts Paid Family and Medical Leave (PFML): Employers must contribute to the state’s PFML fund and comply with notification requirements.
• Massachusetts Earned Sick Time Law: Employees earn one hour of sick time for every 30 hours worked, up to 40 hours per year.
• Non-Compete Agreements: Massachusetts significantly restricted the use of non-compete agreements in 2018. They can only last up to 12 months, must be in writing, signed before employment begins, and must include compensation to the employee (the “garden leave” requirement or equivalent).
• Misclassification Risk: Massachusetts uses a strict three-part ABC test to determine whether a worker is an independent contractor or an employee. Misclassifying employees as contractors carries serious penalties.
• Wage and Hour Laws: Massachusetts minimum wage and overtime laws must be followed strictly.

Many Boston startups get tripped up on the non-compete and misclassification rules in particular. Before you hire anyone, consult an employment attorney familiar with Massachusetts law.

15. Work with a Qualified Startup Attorney

The last item on this Boston startup legal checklist is the one that ties everything else together: get proper legal counsel. Not a general practice attorney. Not your college roommate who passed the bar. A startup attorney who has worked with early-stage companies in Massachusetts and understands the specific challenges founders face.

A good startup lawyer will:

• Help you pick the right entity structure for your specific goals
• Draft and review founders’ agreements, term sheets, and investor documents
• Manage your IP filings and assignment agreements
• Review and negotiate contracts before you sign them
• Keep you compliant with Massachusetts’s evolving regulatory environment

Boston has a strong network of startup-focused law firms, from large firms like Goodwin Procter and Foley Hoag to boutique practices that work specifically with early-stage companies. Many offer startup-friendly fee arrangements, including deferred fees or flat-rate packages for common early-stage work. The Massachusetts Legal Assistance Corporation can also point you toward resources if cost is a constraint.

Conclusion

The Boston startup legal checklist isn’t a one-time task — it’s a foundation you build before everything else. From choosing the right entity and filing your formation documents with the Secretary of the Commonwealth, to protecting your intellectual property, registering for Massachusetts taxes, and putting proper employment practices in place before your first hire, each of these 15 steps reduces your legal exposure and positions your company for growth. Boston is one of the best places in the world to build something, but the startup ecosystem rewards founders who treat legal compliance as a competitive advantage, not an afterthought. Get these steps done before you launch, and you’ll spend less time firefighting and more time building.