Massachusetts Business Entity Search

Find Massachusetts LLCs, corporations, and registered businesses. Cross-referenced with the Massachusetts SOC and 12+ state registries.

Browse the Massachusetts registry →

How to search Massachusetts business entities

Every business that operates legally in Massachusetts files a public record with the Massachusetts Secretary of the Commonwealth. That record names the entity, identifies its registered agent for service of process, and tracks every formal filing through dissolution. Those records are open to anyone — that is the legal definition of a public registry.

Corporate.AI is a free, structured front door to Massachusetts's public business filings. We mirror the state's data, normalize it against records from 49 other jurisdictions, and add the cross-state intelligence (shared officers, shared registered agents, NAICS sector classification, beneficial-ownership signals) that a single-state portal cannot provide. Use the search above to look up any Massachusetts entity by name, by primary filing number, or by officer.

For absolute freshness — same-day filings, formal certificates of good standing, certified document copies — you should also have the Massachusetts SOC portal bookmarked. We link directly to it from this page.

About the Massachusetts SOC

The Massachusetts Secretary of the Commonwealth is the office of record for every business entity formally registered in Massachusetts. They maintain the public registry, accept new filings, and issue certificates of good standing. Corporate.AI mirrors and normalizes this data alongside records from 49 other jurisdictions.

Domestic LLC filing fee
~$500
Domestic Corp filing fee
~$275

Massachusetts charges one of the highest domestic LLC filing fees in the country at $500.

Massachusetts business entity search FAQ

How do I search Massachusetts business entities?▶

Use the search box above to query Corporate.AI for any Massachusetts-registered LLC, corporation, nonprofit, or partnership. You can also search directly at the Massachusetts SOC's public registry portal. Corporate.AI consolidates Massachusetts entity records with cross-state filings (foreign registrations, officer overlap, registered-agent networks) so a single search returns more context than the state portal alone.

Is Massachusetts business entity search free?▶

Yes. Public Massachusetts business filings are open records. Corporate.AI never charges to look up an entity, its registered agent, officers, or filing history. The Massachusetts SOC also offers free public search; premium services (certified copies, certificates of good standing) typically cost $500 or more depending on document type.

What information is included in a Massachusetts entity search?▶

Each Massachusetts entity record on Corporate.AI includes the registered legal name, entity type (LLC, Corporation, LP, Nonprofit), formation date, current status, primary filing number assigned by the Massachusetts SOC, registered agent (when published), officer roster (when published), and full filing history. We also surface entities that share officers, registered agents, or NAICS sector classifications across all 50 states.

How do I get a Massachusetts certificate of good standing?▶

A certificate of good standing (sometimes called a certificate of existence or status certificate) must be issued by the Massachusetts SOC directly — Corporate.AI does not issue official certificates. You can typically request one online from the Massachusetts SOC for $125–$50 with same-day or 24-hour turnaround. The certificate confirms the entity is in good standing as of the issuance date.

How do I look up a registered agent in Massachusetts?▶

Every Massachusetts business entity is required to designate a registered agent — a person or company authorized to receive service of process at a Massachusetts street address. Corporate.AI's registered-agent index lets you reverse-search: given an agent name, see every Massachusetts entity that has designated them. This pattern is useful for due diligence, beneficial-ownership analysis, and competitive research. The Massachusetts SOC's portal supports forward lookup (entity → agent) but typically not reverse lookup.

What's the difference between an LLC and a corporation in Massachusetts?▶

A Massachusetts LLC (limited liability company) is the most common entity type for small businesses — it offers liability protection with pass-through taxation and minimal corporate formalities. A Massachusetts corporation (typically a C-corp or S-corp) is owned by shareholders, governed by a board, and is the standard vehicle for raising outside investment. Formation fees are similar — $500 for an LLC vs $275 for a corporation in Massachusetts as of 2026 — but the tax, governance, and capital-raising profiles differ significantly.

How recent is the Massachusetts business data on Corporate.AI?▶

Massachusetts entity records on Corporate.AI are refreshed from the Massachusetts SOC's public feed on the cadence the state publishes — daily, weekly, or monthly depending on jurisdiction. Each entity page displays a "last refreshed" timestamp so you can verify how recent the underlying record is. For absolute freshness, cross-check against the Massachusetts SOC's live portal (linked above) before relying on a record for legal or contractual purposes.

Can I download Massachusetts business entity data?▶

Yes. Corporate.AI's REST API and MCP server expose Massachusetts entity records in machine-readable form for licensed use cases — KYC/AML programs, sales prospecting, journalism, academic research. Bulk downloads of the Massachusetts SOC's underlying data are typically available directly from the state, sometimes free and sometimes for a fee. See our /api page for licensing terms.