All States/

Massachusetts Business Entity Search

Search Massachusetts LLCs, corporations, and partnerships via API. Structured JSON from IRS Exempt Organizations Business Master File. 225,197 entities available.

225,197
Total Entities
81,840
Corporations
44,622
Sole Proprietorships
44,000
Nonprofits

Search Massachusetts entities

Entity types in Massachusetts

Corporation
81,840Sole Proprietorship
44,622Nonprofit
44,000LLC
33,735FCC Licensee
8,207Non-Profit
6,545Business Entity
2,390Partnership
1,912LLP
1,135Professional Association
811

Related Guides

How to Look Up a Business in Any StateHow to Verify if a Business is Legitimate

Get Massachusetts business data via API

Developer plan includes a 14-day free trial. Cancel anytime.

Start Free Trial
Massachusetts Business Entity Search — LLCs, Corporations & More | Filed.dev