> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/boston-ma/law-practice/ # Law Firms in Boston, MA The bigger law firms headquartered in Boston, MA, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the law firms counted in Boston, MA, the biggest by headcount range include Nixon Peabody LLP, Mintz and Foley Hoag LLP. They are mostly very small: 58% have 50 or fewer employees. ## Which law firms are in Boston? Among the companies whose public profile lists Law Practice as their industry and Boston, MA as their headquarters, the biggest by headcount range include Nixon Peabody LLP, Mintz, Foley Hoag LLP, Committee For Public Counsel Services and Choate, Hall & Stewart LLP. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Nixon Peabody LLP | 1,001 to 5,000 | | Mintz | 1,001 to 5,000 | | Foley Hoag LLP | 501 to 1,000 | | Committee For Public Counsel Services | 501 to 1,000 | | Choate, Hall & Stewart LLP | 201 to 500 | | Goulston & Storrs | 201 to 500 | | Sullivan & Worcester LLP | 201 to 500 | | Hinckley Allen | 201 to 500 | | Nutter | 201 to 500 | | Morrison Mahoney LLP | 201 to 500 | | Mg M The Law Firm | 201 to 500 | | Burns & Levinson LLP | 201 to 500 | | Verrill | 201 to 500 | | Caldwell | 51 to 200 | | Gesmer Updegrove LLP | 51 to 200 | | Lawson & Weitzen, LLP | 51 to 200 | | Boyle Shaughnessy Law | 51 to 200 | | Prince Lobel Tye LLP | 51 to 200 | | Clark Elbing LLP | 51 to 200 | | Conn Kavanaugh | 51 to 200 | | Jeffrey Glassman Injury Lawyers | 51 to 200 | | Sunstein LLP | 51 to 200 | | Melick & Porter, LLP | 51 to 200 | | Campbell Conroy & O'neil, P.C | 51 to 200 | | Peabody & Arnold LLP | 51 to 200 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## What do law firms in Boston do? Law Practice is a broad label. The most common NAICS codes among them are 541110 (93%), 523910 (3%) and 624190 (3%). **Figure: What law firms in Boston do.** Bars for the share of counted law firms with each code: 541110 93%, 523910 3%, 624190 3%. *Share of counted law firms in Boston by their NAICS code.* [NAICS 541110](https://enrich.chat/naics/541110/)[NAICS 523910](https://enrich.chat/naics/523910/) ## How big are they? 58% of the law firms counted in Boston have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of law firms in Boston.** Seven columns for the share of counted law firms in Boston in each employee range: 11 to 50 58%, 51 to 200 29%, 201 to 500 9%, 501 to 1,000 2%, 1,001 to 5,000 2%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted law firms in Boston in each employee range.* ## How old are they? Most were founded in the before 1960 (25%), then the 1990s (18%). **Figure: When law firms in Boston were founded.** Eight columns for the share of counted law firms in Boston founded in each era: Before 1960 25%, 1960s 2%, 1970s 12%, 1980s 16%, 1990s 18%, 2000s 9%, 2010s 15%, 2020s 2%. *Share of counted law firms in Boston by the era they were founded in, for the ones that list a founding year.* ## How law firms compare - 58% of law firms in Boston have 50 or fewer employees, against 71% across other cities on this site. - 18% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at law firms in Boston? The people to talk to are usually managing partners and heads of operations. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the law firms in Boston, MA ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the managing partners and heads of operations at law firms in Boston, MA, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Other industries in Boston: [Software Companies](https://enrich.chat/companies-in/boston-ma/software-development/)[Real Estate Companies](https://enrich.chat/companies-in/boston-ma/real-estate/)[IT Services Companies](https://enrich.chat/companies-in/boston-ma/it-services-and-it-consulting/)[Financial Services Companies](https://enrich.chat/companies-in/boston-ma/financial-services/)[Technology and Internet Companies](https://enrich.chat/companies-in/boston-ma/technology-information-and-internet/)[Consulting Firms](https://enrich.chat/companies-in/boston-ma/business-consulting-and-services/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/boston-ma/hospitals-and-health-care/)[Advertising Agencies](https://enrich.chat/companies-in/boston-ma/advertising-services/)[Nonprofit Organizations](https://enrich.chat/companies-in/boston-ma/non-profit-organizations/)[Biotechnology Companies](https://enrich.chat/companies-in/boston-ma/biotechnology-research/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/boston-ma/staffing-and-recruiting/)[Construction Companies](https://enrich.chat/companies-in/boston-ma/construction/)[Investment Management Firms](https://enrich.chat/companies-in/boston-ma/investment-management/)[Architecture Firms](https://enrich.chat/companies-in/boston-ma/architecture-and-planning/)[Venture Capital and Private Equity Firms](https://enrich.chat/companies-in/boston-ma/venture-capital-and-private-equity-principals/)[Colleges and Universities](https://enrich.chat/companies-in/boston-ma/higher-education/)[Insurance Companies](https://enrich.chat/companies-in/boston-ma/insurance/)[Research Services Firms](https://enrich.chat/companies-in/boston-ma/research-services/)[Legal Services Firms](https://enrich.chat/companies-in/boston-ma/legal-services/)[All of Boston](https://enrich.chat/companies-in/boston-ma/) Law Firms in other cities: [New York, NY](https://enrich.chat/companies-in/new-york-ny/law-practice/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/law-practice/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/law-practice/)[Houston, TX](https://enrich.chat/companies-in/houston-tx/law-practice/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/law-practice/)[Washington, DC](https://enrich.chat/companies-in/washington-dc/law-practice/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/law-practice/)[Philadelphia, PA](https://enrich.chat/companies-in/philadelphia-pa/law-practice/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/law-practice/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/law-practice/) ## Frequently asked questions ### Which are the biggest law firms in Boston? Among those counted, they include Nixon Peabody LLP, Mintz, Foley Hoag LLP, Committee For Public Counsel Services and Choate, Hall & Stewart LLP, ranked by headcount range. ### How big are law firms in Boston? 58% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### Which companies count as law practice? Companies whose public profile lists Law Practice as their industry and whose headquarters are in Boston, MA. ## Try this prompt Find the people at law firms in Boston ```text Use www.enrich.chat to find the managing partners and heads of operations at law firms in Boston, MA, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Software Companies in Boston](https://enrich.chat/companies-in/boston-ma/software-development/) - [Real Estate Companies in Boston](https://enrich.chat/companies-in/boston-ma/real-estate/) - [IT Services Companies in Boston](https://enrich.chat/companies-in/boston-ma/it-services-and-it-consulting/) - [Financial Services Companies in Boston](https://enrich.chat/companies-in/boston-ma/financial-services/) - [Law Firms in New York](https://enrich.chat/companies-in/new-york-ny/law-practice/) - [Law Firms in Chicago](https://enrich.chat/companies-in/chicago-il/law-practice/) - [Law Firms in Los Angeles](https://enrich.chat/companies-in/los-angeles-ca/law-practice/) - [Law Firms in Houston](https://enrich.chat/companies-in/houston-tx/law-practice/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)