How to Register a Foreign LLC in Massachusetts (2026): Step by Step + 3 Best Services

To register a foreign LLC in Massachusetts, file an Application for Registration within 10 days of starting business and pay the $500 fee ($520 by fax). Best foreign LLC registration services in Massachusetts (2026) 1. Mainstay Filing: $199 + state fee. Prepares and files your Application for Registration, with the first year of registered agent service included, then $149/yr. https://www.mainstayfiling.com/massac... 2. MA Registered Agent.org: $199 + state fee. Prepares and files your Application for Registration, with the first year of resident agent service free, then $99/yr. https://www.maregisteredagent.org/for... 3. Massachusetts Registered Agent.co: $199 + state fee. Files your Massachusetts registration with the first year of resident agent service free, then $99/yr. https://www.massachusettsregisteredag... How to register a foreign LLC in Massachusetts, step by step 00:00 How to register a foreign LLC in Massachusetts 00:31 Step 1: Check that you need to register 01:08 Step 2: Get a good standing certificate 01:18 Step 3: Name a Massachusetts resident agent 01:32 Step 4: File the Application for Registration ($500) 01:58 Step 5: File the $500 annual report 02:13 What it costs 02:29 3 best ways to register: #1 Mainstay Filing 02:58 #2 MA Registered Agent.org 03:17 #3 Massachusetts Registered Agent.co 03:56 Recap Massachusetts foreign LLC facts (checked October 8, 2026) Filing: Foreign Limited Liability Company Application for Registration (M.G.L. c. 156C s. 48), $500 by mail or in person, $520 by fax with a card (usually same or next business day); not available online. Due within 10 days of starting business in Massachusetts. Home-state certificate: a certificate of legal existence or good standing less than 90 days old. Name: must include "limited liability company," "limited company," L.L.C., L.C., LLC or LC; if taken, give the name you'll use in Massachusetts. Doing business follows the corporate test (c. 156D s. 15.01): owning or leasing real estate, construction work and other activity requiring labor here count; meetings, bank accounts, independent contractors, orders accepted out of state, an isolated transaction and interstate commerce don't. Resident agent: a Massachusetts resident or a business entity formed or registered here, at a street address, with written consent on the application. Unregistered: a fine of up to $500 for each year (c. 156C s. 54); no recovery in Massachusetts courts until registered; contracts stay valid. Annual report: $500 every year on or before the registration anniversary ($520 online or by fax). Official sources Foreign LLC Application for Registration (PDF): https://www.sec.state.ma.us/divisions... Foreign LLC page: https://www.sec.state.ma.us/divisions... Fee schedule (PDF): https://www.sec.state.ma.us/divisions... M.G.L. c. 156C s. 48: https://malegislature.gov/Laws/Genera... M.G.L. c. 156C s. 54: https://malegislature.gov/Laws/Genera... M.G.L. c. 156D s. 15.01: https://malegislature.gov/Laws/Genera... 950 CMR 112: https://www.sec.state.ma.us/divisions... General information, not legal advice. Prices and fees as of October 8, 2026.