Michigan

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This guide contains public integration notes for Michigan. Use it for identifier formats, search behavior, and state-specific caveats. The live source of truth for coverage, pricing, data sources, documents, legal forms, roles, and status values is the pricing page.

Michigan coverage, pricing, and sources

Open the current catalog for supported datapoints, documents, sources, identifiers, and availability.

This jurisdiction may be in preview or limited availability. Check the live pricing page or contact support before relying on it in production.

Country details below are preserved as integration notes. If a table or example conflicts with the live pricing page, use the pricing page as the source of truth and contact support.

Data Sources
Company Identifiers
Search Capabilities
Quirks & Gotchas
Mappings
Data Availability

API access: US-MI is not yet part of the public countryCode enum. Contact us to enable it on your workspace. Requests sent with countryCode: "US-MI" will otherwise return 400 until the enum is expanded.

Data Sources

Michigan uses a single integration against the Michigan Department of Licensing and Regulatory Affairs (LARA), Corporations, Securities & Commercial Licensing Bureau (CSCL), via the MiBusiness Registry portal at mibusinessregistry.lara.state.mi.us (launched June 2025, replacing the legacy CID/PIN system). The register covers every domestic and foreign profit corporation, non-profit corporation, limited liability company, limited partnership, limited liability partnership, and professional service entity filed in Michigan. Every request is resolved live. Michigan does not publish a bulk corporate data extract.

What is returned	Source
Legal name, prior names	MiBusiness Registry entity detail
9-digit Identification Number	MiBusiness Registry entity detail
Jurisdiction (home state for foreign entities)	MiBusiness Registry entity detail
Entity type (legal form)	MiBusiness Registry entity detail
Entity status	MiBusiness Registry entity detail
Annual report standing and due date	MiBusiness Registry entity detail
Initial filing date	MiBusiness Registry entity detail
Resident agent name and registered office address	MiBusiness Registry entity detail
Officers (President, Secretary, Treasurer, Directors)	Most recently filed annual report (corporations only)
Trade Register Extract (printed entity detail)	MiBusiness Registry entity detail, included at no extra charge

No bulk open-data export. LARA does not publish a corporate data extract. Every request is resolved live against the MiBusiness Registry.

Company Identifiers

Query Identifiers

Identifier Type	Format	Example	Notes
Michigan LARA Identification Number	9 digits, numeric only	`123456789`	Assigned by LARA Corporations Division. Printed on every filing and shown on the MiBusiness Registry entity detail page.

Pass the 9-digit identification number without any prefix or separator. The number is the same identifier shown on the entity detail page under “Identification #”.

Identifiers in API Response

Identifier	Format	Example	Found In
`miIdNumber`	9 digits, numeric only	`123456789`	All entities

Search Capabilities

Search Type	Pattern	Example	Match Type	Expected Results
By Name	2–100 chars	`"Acme Michigan"`	Starts-with (case-insensitive)	Multiple results
By Identification Number	9 digits	`987654321`	Exact	Exact match returned first (`matchType: id`)

Starts-with search. Name search anchors on the beginning of the legal name (case-insensitive). Use a fuller query string to narrow the result set, which is capped at 50 matches.

Quirks & Gotchas

Quirk	Details
Officers only for corporations	Only profit and non-profit corporations are required to disclose officers under Michigan law (MCL 450.1531 / MCL 450.2531). LLCs, limited partnerships, and LLPs do not publish member or partner information on the register. Requests for these entity types return no legal representatives.
Officer data can lag up to 12 months	Officers come from the entity’s most recent annual report, filed once per year on the anniversary date. The data reflects the state at the last filing, not today.
Annual report standing is separate from entity status	The “AR Standing” field reflects whether the entity is current on its annual report filing obligation. An entity can be “Active” in status but “Overdue” on annual reports simultaneously.
Prior names are surfaced	The entity detail includes an assumed-name history. DBA-style prior names are stored in a separate register file and are not yet surfaced on the company profile.
Resident agent is an Other Key Person	The resident agent receives service of process but cannot bind the entity. It is returned under `otherKeyPersons`, not `legalRepresentatives`.
No shareholder or UBO register	Michigan does not collect shareholder lists or beneficial-ownership data for any entity type through the business register. The federal beneficial-ownership database is restricted to authorized users.
No industry classification codes	The MiBusiness Registry does not collect NAICS, NACE, or ISIC codes.
No bulk data pipeline	Every request is resolved live against the MiBusiness Registry. There is no cached open-data dataset for Michigan.
Paid documents require a LARA account	Certified copies of charter documents, annual reports, and Certificates of Good Standing are available through the LARA paid filing system. These require a MiLogin for Business account and are not yet offered through Topograph.

Mappings

Legal Forms

Legal form is sourced from the entity-type label published on the MiBusiness Registry. The vocabulary follows the Michigan Business Corporation Act (MCL 450.1101), the Limited Liability Company Act (MCL 450.4101), the Nonprofit Corporation Act (MCL 450.2101), and the Revised Uniform Limited Partnership Act (MCL 449.1101). Unknown labels are classified by AI enrichment.

Michigan entity types and standardized mappings

MiBusiness Registry Entity Type	Standardized
Domestic Profit Corporation	Corporation
Foreign Profit Corporation	Corporation
Domestic Professional Service Corporation	Corporation
Foreign Professional Service Corporation	Corporation
Domestic Nonprofit Corporation	NonprofitOrganization
Foreign Nonprofit Corporation	NonprofitOrganization
Domestic Ecclesiastical Corporation	NonprofitOrganization
Domestic Limited Liability Company	LimitedLiabilityCompany
Foreign Limited Liability Company	LimitedLiabilityCompany
Domestic Professional Limited Liability Company	LimitedLiabilityCompany
Foreign Professional Limited Liability Company	LimitedLiabilityCompany
Domestic Limited Partnership	Partnership
Foreign Limited Partnership	Partnership
Domestic Limited Liability Partnership	Partnership
Foreign Limited Liability Partnership	Partnership
Domestic Limited Liability Limited Partnership	Partnership
Foreign Limited Liability Limited Partnership	Partnership
Domestic Cooperative	Cooperative
Foreign Cooperative	Cooperative
Domestic Cooperative Association	Cooperative

The complete legal forms table, including any labels added after this guide was written, is on the Michigan pricing page.

Officer Roles

Michigan corporations are required under MCL 450.1531 (Business Corporation Act) and MCL 450.2531 (Nonprofit Corporation Act) to maintain a president, secretary, treasurer, and board of directors. The MiBusiness Registry exposes exactly these four roles.

MiBusiness Registry Label	Standardized	Classification
President	President	Legal Representative
Secretary	Secretary	Legal Representative
Treasurer	Treasurer	Legal Representative
Director	Director	Legal Representative
Resident Agent	RegisteredAgent	Other Key Person

The Resident Agent is classified as an Other Key Person. It only receives service of process and does not have authority to bind the entity.

Entity Status

MiBusiness Registry Status	Active
Active	Yes
Existence Ceased - Merged	No
Withdrawn - Certificate of Withdrawal	No
Converted	No
Dissolved - Operation of Law	No
Dissolved - Certificate of Dissolution	No

Data Availability

Data Point	Available	Notes
Company name	Yes	Current legal name
Prior names	Yes	Previous legal names from the entity detail
Entity status	Yes	See status table above
Annual report standing	Yes	Current / overdue status for annual report obligation
Registration date	Yes	Initial filing date with LARA
Legal address	Yes	Registered office street address and mailing address
Legal form	Yes	Michigan entity-type vocabulary with standardized mapping
Legal representatives	Yes (corporations only)	President, Secretary, Treasurer, Directors from most recent annual report. LLCs, LPs, and LLPs return no legal representatives.
Registered agent	Yes	Resident agent name and registered office address, returned as Other Key Person
Activity codes	No	Not collected by the Michigan business register
Shareholders	No	Not published
UBOs	No	Not published (federal FinCEN database is restricted)
Assumed names (DBAs)	Roadmap	The register file exists but assumed-name data is not yet surfaced on the company profile
Trade Register Extract	Yes	Free printable PDF of the MiBusiness Registry entity detail page, included with the company-data request at no extra charge
Certified copies	No	Available through the LARA paid filing system; not yet offered through Topograph
Certificate of Good Standing	No	Available through the LARA paid filing system; not yet offered through Topograph
Financial data	No	Not collected

Example API Responses

Search by Name

curl -X POST "https://api.topograph.co/v2/search?country=US-MI&query=Acme+Michigan" \
  -H "x-api-key: YOUR_API_KEY"

[
  {
    "id": "987654321",
    "legalName": "ACME MICHIGAN COMPANY",
    "countryCode": "US-MI",
    "matchReason": {
      "matchType": "default"
    },
    "address": {
      "region": "MI",
      "countryCode": "US"
    }
  }
]

Search by Identification Number

curl -X POST "https://api.topograph.co/v2/search?country=US-MI&query=987654321" \
  -H "x-api-key: YOUR_API_KEY"

[
  {
    "id": "987654321",
    "legalName": "ACME MICHIGAN COMPANY",
    "countryCode": "US-MI",
    "matchReason": {
      "matchType": "id"
    }
  }
]

Company Profile

curl -X POST "https://api.topograph.co/v2/company" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"countryCode": "US-MI", "id": "987654321", "dataPoints": ["company", "legalRepresentatives", "otherKeyPersons"]}'

{
  "company": {
    "id": "987654321",
    "countryCode": "US-MI",
    "identifiers": { "miIdNumber": "987654321" },
    "legalName": "EXAMPLE CORPORATION",
    "registrationDate": "2005-03-15",
    "legalForm": {
      "localName": "Domestic Profit Corporation",
      "standardized": "Corporation"
    },
    "status": {
      "localName": "Active",
      "active": true
    },
    "legalAddress": {
      "street": "123 Example Street",
      "city": "Lansing",
      "region": "MI",
      "postalCode": "48933",
      "countryCode": "US"
    }
  },
  "legalRepresentatives": [
    {
      "firstName": "Jane",
      "lastName": "Smith",
      "role": {
        "localName": "President",
        "standardized": "President"
      }
    }
  ],
  "otherKeyPersons": [
    {
      "firstName": "Acme",
      "lastName": "Registered Agent LLC",
      "role": {
        "localName": "Resident Agent",
        "standardized": "RegisteredAgent"
      }
    }
  ]
}

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Michigan coverage, pricing, and sources

Table of Contents

Data Sources

Company Identifiers

Query Identifiers

Identifiers in API Response

Search Capabilities

Quirks & Gotchas

Mappings

Legal Forms

Officer Roles

Entity Status

Data Availability

Example API Responses

Search by Name

Search by Identification Number

Company Profile

​Start here

Michigan coverage, pricing, and sources

​Table of Contents

​Data Sources

​Company Identifiers

​Query Identifiers

​Identifiers in API Response

​Search Capabilities

​Quirks & Gotchas

​Mappings

​Legal Forms

​Officer Roles

​Entity Status

​Data Availability

​Example API Responses

​Search by Name

​Search by Identification Number

​Company Profile

Start here

Table of Contents

Data Sources

Company Identifiers

Query Identifiers

Identifiers in API Response

Search Capabilities

Quirks & Gotchas

Mappings

Legal Forms

Officer Roles

Entity Status

Data Availability

Example API Responses

Search by Name

Search by Identification Number

Company Profile