Maryland Business Entity Search: Look Up a Business Free (2026)

Fact-checked by the LegalGlass editorial team against primary sources · Published Aug 6, 2026 · Last updated Aug 6, 2026

You can look up any Maryland business for $0 - free through the SDAT Business Entity Search on the Maryland Business Express portal. It confirms the entity's exact legal name, its SDAT Department ID, entity type, good-standing status, resident agent, and filing history at no cost. Use it to verify a company before you sign a contract, to check name availability before you file, or to find the resident agent for service of process.

Quick Answer

Free search
SDAT Business Entity Search - egov.maryland.gov/BusinessExpress
Agency
Maryland State Department of Assessments and Taxation (SDAT)
Cost
$0 - the search itself is free
Shows
Legal name, Department ID, status, resident agent, filing history
Good-standing certificate
Ordered through Business Express for a separate fee
Tax agency
Comptroller of Maryland (separate from SDAT)

Where Maryland Business Records Live

Maryland keeps its corporate registry with the State Department of Assessments and Taxation (SDAT) - the same department that accepts Articles of Organization - rather than a secretary of state. SDAT records every domestic and foreign LLC, corporation, and limited partnership, along with each entity's resident agent, principal office, and Annual Report status. The public front door to that data is the free Business Entity Search on the Maryland Business Express portal, which is also where you file. For the national overview of how these lookups work, see our business entity search hub.

SDAT's database is not the same as the tax or trademark record. SDAT tracks the entity's legal existence, its filings, and its business personal property; the Comptroller of Maryland handles sales, income, and withholding tax accounts separately. Your federal EIN is issued by the IRS and does not appear in the state system. And a name clear in Maryland records may still conflict with a registered trademark owned by a business elsewhere, so an entity search is one layer of diligence, not the whole picture.

Free Search: SDAT Business Entity Search

The primary tool is the Business Entity Search on Maryland Business Express. You can search by entity name or by SDAT Department ID. Results confirm the entity's exact legal name, its Department ID (a letter followed by digits - for example, a "W" prefix for an LLC), its entity type, its status (Active / Incorporated, or Not in Good Standing / Forfeited), the formation date, the resident agent and address, and the entity's filing history including Annual Reports. The search is free and requires no account, which makes it ideal for confirming that a vendor, customer, or prospective partner is a real entity in good standing before you commit. When you need a certified record, you order it from the same portal for a fee.

What a Search Reveals

A Maryland entity search returns nearly everything a lender, court, or counterparty needs to confirm a company's identity and standing. The table below shows the common data points.

Data pointShown in the free search?
Exact legal nameYes
SDAT Department IDYes
Entity type (LLC, corporation, LP)Yes
Status / good standingYes
Formation / registration dateYes
Resident agent and addressYes
Annual Report and filing historyYes
Certificate of status (good standing)Order via Business Express (fee)

Certificate and certified-copy fees are set by SDAT and change over time, so confirm the current amount in Maryland Business Express before ordering.

How to Search, Step by Step

  1. Open the Business Entity Search. Go to Maryland Business Express and enter the entity name or Department ID.
  2. Open the entity record. Select the matching result to view the status, entity type, formation date, and the current resident agent and address.
  3. Check good standing and filings. Review whether the entity is in good standing and whether its Annual Reports are current.
  4. Order certified records if needed. Request a certificate of status or a certified copy of the Articles of Organization for financing, litigation, or a bank account opening.

Reading Maryland Entity Status

The status field is the single most important result of a search. An entity in good standing reads Active or "Incorporated" and shows current filings. The key problem status is Not in Good Standing, which usually means the entity failed to file its Annual Report or business personal property return, or lapsed on its resident agent. If the failure continues, the entity's right to do business can be forfeited. A forfeited or not-in-good-standing entity generally must file all delinquent Annual Reports, pay what it owes, and - if forfeited - file Articles of Reinstatement to return to good standing. If you are dealing with a company that is not in good standing, treat contracts cautiously; the entity may have lost the ability to bring or defend a lawsuit until it cures. See how to dissolve an LLC in Maryland for how a clean close differs from a forfeiture.

Checking Name Availability Before You File

If you are forming a new company, an entity search doubles as a name-availability check. Maryland requires a new entity name to be distinguishable on SDAT's records from existing names and reservations. Searching for close matches tells you whether your preferred name is likely available, but only SDAT makes the final call when you file. A clear search is not a guarantee, and a name available in state records can still infringe a federal trademark. If you are ready to reserve a name, you can hold it for 30 days for $25. See how to form an LLC in Maryland for the full formation arc, the Articles of Organization for the formation document, and what is an LLC for entity basics.

Finding a Resident Agent in the Record

One of the most useful fields in a Maryland search is the resident agent. Every Maryland LLC must maintain a resident agent and a Maryland principal office under Corporations & Associations § 4A-210, and that agent - the person to serve with a lawsuit or official notice - appears directly on the entity record. Attorneys routinely run the search to find the current agent before filing suit, and owners check their own record to confirm the agent is accurate before a financing or a bid. The agent is named in the Articles of Organization and updated later by a Resolution to Change Resident Agent. See the national registered agent overview for how the role works.

Common Uses for a Maryland Entity Search

A Maryland entity search supports several everyday tasks. Vendors and lenders run one for due diligence before extending credit. Attorneys use it to find the current resident agent so they can properly serve a lawsuit. New founders check name availability before filing Articles of Organization. Buyers confirm an entity's good standing during an acquisition, and banks require a certificate of status to open accounts or process loans. Whatever the purpose, the free SDAT Business Entity Search confirms the entity exists and is in good standing; Maryland Business Express is where you order the certified document a bank or court will accept as proof.

The search is also the first step before you form or rename a company, and a smart annual habit for owners. Because Maryland's $300 Annual Report is due every April 15 and a missed one drops the entity out of good standing, a quick self-search each spring is the easiest way to confirm your status and resident agent before renewing a license or bidding on work. If you are winding a company down, the record will show a forfeited or cancelled status once the process is complete; leaving an entity active but unfiled is what produces the "not in good standing" flag that later blocks clean reinstatement. Compare approaches in other states, such as the Indiana business entity search, to see how Maryland's SDAT-based model differs.

Frequently Asked Questions

Is the Maryland business entity search free?

Yes. The SDAT Business Entity Search on Maryland Business Express is free and shows the legal name, Department ID, entity type, good-standing status, resident agent, and filing history. A certificate of status costs a separate fee.

Where do I search for a Maryland business?

Use the Business Entity Search on the Maryland Business Express portal, operated by SDAT - the state's system of record for business formations.

What is an SDAT Department ID?

It is the unique identifier SDAT assigns to each Maryland entity - a letter followed by digits (for example, "W" for an LLC). You use it to file the annual report and to look the entity up.

How do I find a Maryland LLC's resident agent?

Search the entity and open its record, which lists the current resident agent and address. The agent is named in the Articles of Organization and updated by a Resolution to Change Resident Agent.

What does "Not in Good Standing" mean?

It usually means a missed Annual Report or personal property return, or a lapsed resident agent. The entity must generally file all delinquent reports, pay what it owes, and may need Articles of Reinstatement to return to good standing.

How do I get a Maryland certificate of good standing?

Order a certificate of status from SDAT through Maryland Business Express for a separate fee. Banks, lenders, and other states typically require this certified document rather than the free search result.

Related

Sources

  1. Maryland Business Express (SDAT) - Business Entity Search (free public search: name, Department ID, status, resident agent).
  2. Maryland SDAT - Maryland Business Services (registry and formation authority).
  3. Maryland SDAT - SDAT Business Forms (Articles of Organization; Resolution to Change Resident Agent; Reinstatement).
  4. Maryland Business Express - Online business filing portal.
  5. Maryland Business Express - Fee Schedule (certificate of status and certified copy fees).
  6. Maryland General Assembly - Corporations & Associations § 4A-210, Principal office and resident agent.
  7. Maryland General Assembly - Corporations & Associations § 4A-204, Articles of organization.
  8. Maryland SDAT - Form 1, Annual Report and Business Personal Property Return (PDF) ($300 LLC; April 15).
  9. Comptroller of Maryland - Businesses (tax accounts) (sales, income, and withholding tax, separate from SDAT).
  10. Maryland SDAT - Articles of Organization (LLC) form (PDF) (resident agent named at formation).
  11. IRS - Limited Liability Company (LLC) (federal classification; EIN not in state record).
  12. Cornell Legal Information Institute - Registered agent.
  13. Cornell Legal Information Institute - Limited Liability Company (LLC).

LegalGlass provides general information for educational purposes and is not a law firm or a substitute for advice from a licensed attorney or tax professional. Search results, fees, and status codes change; verify current requirements with the Maryland State Department of Assessments and Taxation before acting.