Maryland Secretary of State 2026

Updated 2026 • Official Links Checked

Maryland Secretary of State Business Search, Apostille, Notary, Charities & Official Contact Help

Use this practical Maryland SOS guide to find official Secretary of State services, search Maryland business entities through Maryland Business Express and SDAT, request apostille or certification, contact the Notary Division, register charitable organizations, check trademark resources, and avoid wrong-office mistakes.

$5
Apostille / certification
410
974-5521
SDAT
Business records
16
Francis Street

🔒 Official Maryland Secretary of State & Business Resources

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Maryland SOS Certification Desk
410-974-5521
Use this number for Maryland certification and apostille questions. Notary questions use 410-974-5520. Charity registration questions use 410-974-5534.

01 — Start Here

Maryland SOS Help: Choose the Correct Official Route Before You File, Search or Mail Documents

The Maryland Secretary of State is important for certifications, apostilles, notary public matters, charitable organizations, trademarks, service of process and several state administrative services. But Maryland business entity search is usually handled through Maryland Business Express and SDAT resources.

This is the first thing users should understand. If you want to search an LLC, corporation, trade name or business record, start with Maryland Business Express Business Entity Search. If you need an apostille, document certification, notary commission issue or charity registration, start with Maryland Secretary of State pages.

The most common mistake is opening the wrong office page. A business owner may need SDAT for entity records, Maryland Business Express for annual reports or personal property returns, and Maryland SOS for apostille or charitable registration. This guide separates each task clearly.

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Simple rule: Use Maryland Business Express and SDAT for business entity search, filings, annual reports and personal property tax returns. Use Maryland Secretary of State for apostilles, certifications, notary, charities, trademarks and service-of-process style resources.

Business users

Search Maryland entities, order business documents, register a business, register a trade name, file annual reports and file personal property tax returns through Maryland Business Express and SDAT resources.

Apostille users

Use the Maryland SOS Certification Desk for apostilles and certifications. Check document type, destination country and certification requirements before mailing anything.

Charity and notary users

Use Maryland SOS charity and notary pages for registration, renewal, notary application, duties and official contact guidance.

02 — Business Search

Maryland Business Entity Search, LLC Lookup, Corporation Records and SDAT Help

Many people search “Maryland Secretary of State business search,” but the practical official route is Maryland Business Express Business Entity Search, connected to SDAT business records.

Use this search when you need to look up a Maryland LLC, corporation, trade name, sole proprietorship registration, limited partnership, nonprofit corporation or other business record. The results can help you find entity type, principal office, resident agent and other available public details.

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Correct official route: Use Maryland Business Express Business Entity Search for Maryland business lookup. For SDAT help, the official search page lists support through sdat.charterhelp@maryland.gov.
1
Open the official Maryland Business Entity Search
Use the state search page, not a paid private directory.

Open the official Maryland Business Express Business Entity Search page. This is the practical route for Maryland LLC lookup, corporation lookup, trade name search and public business record checking.

Official search: Maryland Business Entity Search

2
Search by exact name first, then partial name
Small spelling differences can hide results.

Start with the exact legal name. If nothing appears, remove punctuation, commas, “LLC,” “Inc,” “Corporation,” “Company,” or other suffixes. Search the main unique words only.

If you have a department ID or filing number, use that because it may find the exact entity faster than a name search.

3
Open the record and verify the details
Do not rely on a name match only.

Check entity status, principal office, resident agent, entity type, filing history and other available details. If you are doing due diligence, save the record or order official documents if required.

4
Use Maryland Business Express for documents and filings
Business search is only one part of the business portal.

Maryland Business Express also provides links for ordering business documents, registering a business, registering a trade name, filing annual reports and filing personal property tax returns.

Official portal: Maryland Business Express

Best search trick

If exact search fails, remove suffixes and search the most unique part of the business name. For example, search “Harbor Tech” before searching “Harbor Tech Solutions LLC.”

Resident agent warning

The official entity search page says the department cannot recommend a company to act as resident agent. Be careful with private agent websites that look like state pages.

03 — Business Express

Maryland Business Express: Register, File Annual Reports and Order Business Documents

Maryland Business Express combines business resources that help users plan, start, manage and grow a business in Maryland.

User NeedOfficial RoutePractical Tip
Search a businessBusiness Entity SearchSearch name and department ID if available.
Register a businessMaryland Business Express registration toolsPrepare business name, owner/organizer details, resident agent and address before starting.
Register a trade nameMaryland Business Express trade name optionSearch existing business and trade names before filing.
File annual reportMaryland Business Express / SDAT annual report toolsCheck deadlines and personal property tax requirements before submitting.
Order business documentsMaryland Business Express document toolsOnly order documents you actually need for bank, lender, vendor or legal use.
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Practical business tip: Maryland business search is useful for checking public records, but formation, annual report, trade name and document ordering tasks should be completed through official Maryland Business Express and SDAT flows.
04 — Apostille / Certification

Maryland Apostille, Certification Desk and Document Authentication Steps

Maryland Secretary of State handles certifications and apostilles through its Certification Desk. The official page lists certifications/apostilles at $5 each and provides walk-in and mailing guidance.

Fee

Maryland SOS lists certifications and apostilles at $5.00 each.

Walk-in hours

The official certification page lists walk-in service hours as 9 a.m. to 1 p.m., Monday through Friday.

Walk-in limit

The official page notes a limit of 15 documents per customer daily for walk-ins.

1
Confirm the country where the document will be used
Apostille and authentication depend on destination.

Before mailing or visiting, ask the receiving agency or foreign authority exactly what it requires. Some countries need an apostille, while others may need a different authentication or legalization route.

2
Prepare the document correctly
Bad preparation is the main reason requests fail.

A Maryland public record, notarized document, school document, court document or vital record may need a specific certification before the Secretary of State can authenticate it.

If your document is notarized, check whether it needs county clerk certification first. If it is a vital record or court record, confirm that the copy is certified by the proper issuing office.

3
Use the official checklist
Do not send loose documents without instructions.

Use the official Maryland SOS certification/apostille page and mailing checklist before submitting documents. Include the foreign country, your contact details, payment and return instructions where required.

Official page: Maryland Certifications and Apostilles

4
Save tracking and receipt
Especially important for original records.

Keep copies of your request form, payment proof and mailing tracking number. If the document is original or difficult to replace, use a trackable mailing method.

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Apostille tip: Do not start by asking “Where do I get an apostille?” Start by asking “What exact document type do I have, who issued it, and what country will use it?” That decides the correct preparation path.
05 — Notary

Maryland Notary Division, Notary Application, Fees and Commission Help

Maryland Secretary of State Notary Division handles notary public application and notary-duty questions. The official Notary Division page lists phone support at 410-974-5520.

Notary phone

410-974-5520

Notary email

The official page lists a Maryland.gov notary email contact for application and general-duty questions.

Fee change note

The official notary page states that effective 1/22/2024, Maryland notaries may demand no more than $8 for an original notarial act and no more than $30 for a remote notarial act.

1
Open the official Maryland Notary Division page
Start there before applying or renewing.

Use the official Notary Division page for application questions, general duties, handbook updates, laws, regulations and notary-specific contact information.

Official page: Maryland Notary Division

2
Understand your commission path
Notary approval and commission steps can involve more than one office.

Maryland notary processes may involve application review and local clerk-related steps. Read the official instructions before assuming that an online application alone completes the entire process.

3
Check the fee and remote-notary rules
Do not use outdated notary-fee information.

Review current notary laws and regulations before charging, advertising or performing remote notarial acts. Fee rules and remote-notary rules can change.

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Notary tip: A notarized document is not always ready for foreign use. If it must be used abroad, check the apostille/certification process after notarization.
06 — Charities

Maryland Charitable Organizations Registration, Renewal and Compliance Help

Maryland Secretary of State Charitable Organizations Division handles charity registration and renewal resources. Users often need this when starting a nonprofit, fundraising, renewing charity registration or checking compliance.

Charities phone

410-974-5534

Charities address

16 Francis Street, Annapolis, MD 21401.

Maryland OneStop

Maryland OneStop provides official forms and agency details for charitable organization registration.

1
Confirm whether your organization must register
Not every nonprofit situation is identical.

If your nonprofit solicits contributions, review the Maryland SOS charity guidance. Registration, exemption, renewal or annual update requirements can depend on your fundraising activity, revenue and organization type.

2
Separate nonprofit incorporation from charity registration
These are not the same thing.

Maryland nonprofit corporate charter information is filed with SDAT. Charity registration is handled through the Maryland Secretary of State Charitable Organizations Division. A nonprofit may need both steps depending on its activity.

3
Use official forms and keep proof
Do not rely on private summaries only.

Use Maryland SOS or Maryland OneStop forms for charity registration. Save submission confirmation, payment proof, approval letters and annual update records.

Official charity page: Maryland Charitable Organizations

Maryland OneStop form: SOS Charities Initial Registration Form

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Charity compliance tip: Do not assume forming a nonprofit corporation means you are cleared to solicit donations. Check charity registration, renewal and exemption requirements separately.
07 — Trademarks

Maryland Trademarks, Trade Names and Business Name Confusion

Maryland users often confuse business entity search, trade name registration and trademark protection. These are related, but they are not the same legal step.

User NeedWhere to StartImportant Difference
Check an existing businessMaryland Business Entity SearchShows public business record information, not full brand rights.
Register a trade nameMaryland Business ExpressA trade name is not the same as a trademark.
Check state trademark resourcesMaryland Secretary of State trademark pagesState trademark registration is different from federal USPTO trademark registration.
Protect a brand nationallyUSPTO plus legal reviewFederal trademark rights involve separate rules and should be reviewed carefully.
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Trademark tip: A Maryland business name record does not automatically mean you have trademark protection. Search business records, trade names and trademark resources separately before investing in branding.
08 — Service of Process

Maryland Service of Process, Resident Agent and Wrong-Office Mistakes

Users searching Maryland Secretary of State sometimes need legal service, resident agent information or business contact details. The correct route depends on whether you are looking up a business record or serving documents under a specific rule.

Resident agent lookup

Use Maryland Business Entity Search to view available resident agent information for a business record.

Legal service rules

Service of process is legal-sensitive. Confirm the correct legal method before mailing or delivering papers.

Private agent warning

The official search page says the department cannot recommend a company to act as resident agent.

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Legal caution: This guide is informational only. For service of process, lawsuit service, subpoenas, resident agent disputes or legal deadlines, verify official court rules or speak with a qualified legal professional.
Practical Insider Tips

Maryland SOS Tips That Help Avoid Wrong Offices, Rejected Documents and Private Filing Traps

These small checks can save time before business lookup, apostille submission, notary application, charity registration or business filing.

Tip 01

Use Business Express for entity search

Maryland business lookup is through Maryland Business Express and SDAT resources, not a separate SOS business-search system.

Tip 02

Search partial names

If a Maryland business name does not appear, remove LLC, Inc., punctuation and extra words before searching again.

Tip 03

Apostille: check document first

Do not mail original documents until you confirm notarization, certification, destination country and Maryland SOS checklist rules.

Tip 04

Charity registration is separate

Nonprofit incorporation and charitable solicitation registration are separate steps. Check both SDAT and Maryland SOS charity rules when needed.

Tip 05

Notary fee rules changed

The Maryland notary page lists updated notary fee limits effective January 22, 2024. Do not rely on old notary fee information.

Tip 06

Save every confirmation

Keep filing receipts, apostille mailing tracking, charity registration proof and business document order confirmations until the task is fully complete.

09 — Contact

Maryland Secretary of State Phone Number, Address and Division Contacts

Maryland Secretary of State contact depends on the service. Certification, notary, charities, business search and SDAT business filings use different routes.

NeedOfficial ResourceContact / Link
Main Maryland SOSOffice of the Secretary of Statesos.maryland.gov
Certification / ApostilleCertification Desk410-974-5521
Notary DivisionNotary application and duties410-974-5520
Charitable OrganizationsCharity registration and renewal410-974-5534
Business Entity SearchMaryland Business ExpressSearch Maryland entities
SDAT charter helpBusiness search supportsdat.charterhelp@maryland.gov
Annual report / personal propertyMaryland Business Express / SDATBusiness Express
Maryland OneStop charity formSOS Charities Initial RegistrationOpen OneStop form

Maryland Secretary of State address

16 Francis Street, Annapolis, MD 21401.

This address appears in official Maryland OneStop charity registration details and common Secretary of State service references.

SDAT business address reference

Maryland SOS nonprofit guidance refers users to SDAT at 301 West Preston Street, Baltimore, MD 21201, phone 410-767-1340, for corporate charter information.

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Contact tip: Call the correct division. Apostille questions go to the Certification Desk, notary questions go to the Notary Division, charity questions go to Charitable Organizations, and business-record help goes through Maryland Business Express or SDAT.
10 — Avoid Problems

Common Maryland Secretary of State Mistakes That Cause Delays

Most Maryland SOS problems happen because users search the wrong portal, send apostille documents before preparing them correctly, confuse nonprofit incorporation with charity registration, or rely on private filing websites.

Mistake 1: Searching businesses on the wrong page

Use Maryland Business Express Business Entity Search for Maryland LLC, corporation, trade name and business records.

Mistake 2: Mailing apostille documents too early

Confirm the document type, issuing authority, notarization or certification requirement and destination country before mailing original documents.

Mistake 3: Confusing nonprofit and charity steps

Nonprofit charter information is handled through SDAT, while charitable registration is handled through Maryland SOS Charitable Organizations Division.

Mistake 4: Paying private filing pages first

Before paying for annual reports, business documents, resident agent services, apostille help or charity registration, check the official Maryland government page.

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Important: If a website, letter or email looks official but asks for extra filing, renewal, certificate, resident agent or compliance fees, verify the task through Maryland.gov, Maryland Business Express, SDAT or Maryland SOS before paying.
11 — FAQs

Maryland Secretary of State FAQs

These answers cover common Maryland SOS searches for business lookup, Maryland Business Express, SDAT, apostille, notary, charities, trademarks, service of process and official contact help.

Q
Where do I search Maryland business entities?

Use the official Maryland Business Express Business Entity Search at egov.maryland.gov/businessexpress/entitysearch. This is the practical route for Maryland LLC, corporation, trade name and business record lookup.

Q
Does Maryland Secretary of State handle apostilles?

Yes. Maryland Secretary of State handles certifications and apostilles through the Certification Desk. The official page lists certifications and apostilles at $5 each.

Q
What is the Maryland apostille phone number?

The Certification Desk phone number listed by Maryland SOS is 410-974-5521.

Q
What are Maryland apostille walk-in hours?

The official Maryland SOS certification page lists walk-in service hours as 9 a.m. to 1 p.m., Monday through Friday, with a daily walk-in limit of 15 documents per customer.

Q
What is the Maryland Notary Division phone number?

The Maryland Notary Division lists phone support at 410-974-5520 for notary application and general-duty questions.

Q
Where do I register a charity in Maryland?

Maryland charitable organization registration is handled through the Maryland Secretary of State Charitable Organizations Division. Maryland OneStop lists the division address as 16 Francis Street, Annapolis, MD 21401.

Q
Is nonprofit incorporation the same as charity registration in Maryland?

No. Nonprofit corporate charter information is handled through SDAT, while charitable organization registration is handled through the Maryland Secretary of State Charitable Organizations Division.

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Is Secretary-of-States.org an official Maryland government website?

No. This website is an independent informational guide. Always confirm filings, fees, deadlines, apostille instructions and legal requirements on official Maryland government websites.

12 — Final Takeaway

Best Way to Use Maryland Secretary of State Services Without Wasting Time

Start by choosing the correct Maryland agency route. For business entity search, annual reports, business documents, trade names and SDAT records, use Maryland Business Express and SDAT. For certifications, apostilles, notary, charities, trademarks and Secretary of State administrative services, use Maryland SOS.

If you are searching a business, do not stop after seeing a matching name. Open the record, check the entity type, principal office, resident agent and filing details. If you need official documents, use Maryland Business Express or SDAT resources rather than a private lookalike page.

If your task is apostille or certification, prepare the document correctly before mailing or walking in. Confirm destination country, document type, notarization, certification and checklist requirements first. For charity registration, remember that nonprofit incorporation and charity registration are separate compliance tasks.

Best practical shortcut: Use official Maryland links only, verify the correct division before paying, prepare documents before mailing, save every confirmation, and double-check current instructions on Maryland.gov pages before taking action.

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