Idaho’s industries are as vibrant and diverse as its geography. With over 200,131 small businesses, these enterprises account for an impressive 99.2% of all companies in the state. Construction leads the way with 26,674 firms, followed by professional services (25,580 businesses) and real estate (24,013 businesses).
Small businesses are at the heart of the state’s economy—recent data from the 2024 Small Business Administration (SBA) report shows they contributed to 67.5% of new job creation during the measured period. The Idaho Secretary of State (SOS) is a central resource for the latest data on business entity registrations and trends within the state.
In Idaho, a business entity refers to any formally registered structure operating within the state, including limited liability companies (LLCs), corporations, partnerships, and nonprofits. The following steps provide clear instructions on how to search for and access information about these business entities in Idaho.
Visit the Idaho SOS Business Search Page
To begin a business entity search in Idaho, navigate to the Idaho SOS official business search tool at https://sosbiz.idaho.gov/search/business.
Search Using Preferred Search Criteria
Once in the search tool, users can customize their search to locate specific business entities or broaden their results based on their needs.
A basic method is the name search, where users can enter the desired business name without including designations like “LLC” or “Corp,” as the database will automatically include all entity types. Alternatively, users can search by filing numbers by entering the unique identifier assigned to a registered business.
For a more refined search, the advanced search feature provides additional filters to help narrow down results. Users can access these options by selecting “Advanced Search Options” beneath the page’s search bar. 
Users can search for businesses associated with a specific registered agent, view only active entities, or focus on entities filed within a particular date range. They can also specify whether the search term should match the beginning of a business name or simply appear anywhere within it.
Locate the Idaho Business Entity in the Search Results
Once the search is complete, the SOS business search tool will display a table listing the entities that align most closely with the search criteria.
The table provides details such as the entity’s name, filing number, type, current status, filing date, and registered agent. To access more detailed information about a specific entity, users can click on the entry in the “Form Info” column.
Access the Idaho Business Entity Details
When a specific Idaho business entity is selected from the search results, a detailed summary is displayed on the left side of the page.
This section provides key information, including the filing type, foreign name (if applicable), entity status, state of formation, term of duration, principal and mailing addresses, initial filing date, annual report due date, and registered agent’s name and address.
Users can also access several helpful features from this page. For instance, a Certificate of Existence can be requested directly, and the entity’s filing history is available for review. The filing history offers a chronological list of all documents submitted by the entity, such as formation documents, amendments, annual reports, and registered agent updates.
Each entry includes links to view detailed information, including the filing number and a description of changes, such as ownership updates or modifications to the registered agent. Scanned copies of these documents can also be downloaded for reference.
Additionally, the page still includes a “Search” box so users can perform a new search at any time.
Further Assistance
For any additional questions or support regarding Idaho business entities, individuals can seek the SOS for assistance through the following means:
- Office Location: 450 N. 4th Street, Boise, ID 83702
- Mailing Address: P.O. Box 83720, Boise, ID 83720-0080
- Phone: (208) 334-2301
- Email: [email protected]
The office staff is available to answer questions, provide guidance on navigating the business search tool, and assist with specific inquiries about business records. For in-person visits, the physical office in Boise offers services during regular business hours, while the website and email address provide convenient alternatives for remote assistance.
Why Do an Idaho Entity Search?
Performing an Idaho business entity search is an important step for anyone involved with businesses in the state. The search tool offers valuable information, regardless of whether forming a new entity, verifying the details of an existing business, or checking compliance with state regulations. Below are the key reasons to perform an Idaho entity search:
- Verifying Idaho Business Registration: A business entity search can confirm that a company is properly registered with the Idaho Secretary of State. This step verifies that a business is operating legally and avoids potential issues such as fines or penalties for unregistered operations.
- Researching Business Name Availability in Idaho: Doing a search helps confirm whether the desired name is already in use or if similar names are registered, which can prevent potential conflicts related to branding or trademark infringement. In addition to avoiding confusion with existing businesses, selecting a unique name is a must in complying with Idaho’s business naming regulations. Idaho requires that business names must not be deceptively similar to an already registered name in the state. Moreover, certain words may be restricted or require special approval based on the business structure or industry.
- Ensuring Compliance With Idaho State Regulations: Businesses in Idaho are required to comply with certain state laws and regulations, including timely filing of necessary documents such as annual reports and other required forms. Failure to file required documents on time can lead to penalties, fines, or even the dissolution of the business. An entity search helps verify that a business is in good standing. It can provide information on whether a company has been involved in any legal actions or has had changes to its status, such as being administratively dissolved or revoked due to non-compliance.
- Investigating Idaho Business Ownership and Management: An entity search can provide detailed information about the ownership structure, including the names of major stakeholders, executives, and business members. Understanding the proportion of ownership and the level of influence each individual has can affect decisions about equity stakes, management input, or involvement in daily operations.
- Researching Local Market Competition: Idaho is known for its pro-business regulatory environment and low tax burden, which attracts a diverse range of businesses, particularly in tech, manufacturing, and agriculture. Because of this favorable environment, companies may encounter a large number of new or rapidly growing industries. By performing an entity search, businesses can gain a deeper understanding of the competitive environment, including the leading players, their size, structure, and operational scope. Companies can also use this information to identify gaps in the market or areas where they may have a competitive advantage and assess broader trends in their industry.
Who Holds Data for Idaho Business Entity Search
Along with the Idaho SOS (Secretary of State), several other agencies manage and oversee various aspects of state business operations. The following offices maintain essential records that are relevant for conducting Idaho business entity searches:
Idaho State Tax Commission
The Idaho State Tax Commission (ISTC) oversees tax compliance for businesses operating in the state. It manages various taxes, including sales tax, income tax, and use tax. All companies in Idaho are required to register with the ISTC and comply with state tax laws. The agency tracks business filings, payments, and overall tax compliance.
For those conducting an entity search, the ISTC provides valuable information about a business’s tax history, potential liabilities, and compliance with state tax obligations. Verifying tax compliance is essential, as companies that fail to meet tax requirements can face penalties or legal issues, which could impact partnerships or investments.
The ISTC also offers online services, such as validating business permits, and publishes reports and statistics on state taxes. These resources help businesses stay informed about market trends and meet their tax obligations.
Idaho Department of Labor
The Idaho Department of Labor (IDOL) regulates labor laws and maintains important records related to unemployment insurance, worker classification, and other workforce-related matters, as well as wages, statistical data, and economic reports.
IDOL holds businesses accountable for meeting their obligations regarding unemployment insurance contributions, employee reporting, and adherence to labor laws. The agency also allows employers to register their businesses and post job openings through its online platform.
Idaho Department of Finance
The Idaho Department of Finance (IDOF) regulates businesses in the financial services sector, including companies that offer loans, investments, and other financial products. It oversees mortgage lenders, securities brokers, collection agencies, and payday lenders.
For those conducting an entity search, the IDOF provides information regarding a financial business’s licensing, registration, and compliance status. On its website, individuals can utilize the Licensee & Financial Institution Search, a tool that allows individuals to verify the status of financial businesses and check their regulatory standing.
Idaho Department of Agriculture
The Idaho Department of Agriculture (IDA) oversees businesses in the state’s agricultural sector, including farming, ranching, food production, and processing. The department monitors that these businesses comply with industry regulations and standards, with a focus on health, safety, and environmental protection.
For businesses in the agricultural industry, the IDA’s records can verify that potential partners, competitors, and suppliers are properly licensed and comply with regulatory requirements. The department provides a Pesticide Applicator Licensing tool that allows companies to confirm that their partners and service providers hold the necessary licenses for pesticide application.
County Clerk’s Offices
County clerk’s offices in Idaho maintain essential records for businesses operating within their respective counties. These offices handle business license registrations, fictitious business names, and other local filings.
For those conducting an entity search, county clerk records can confirm the legal status of businesses that may not be required to file at the state level. These offices provide information on local business operations, trade names, and compliance with county-specific regulations.
Local City Governments
Local city governments in Idaho regulate businesses within their city limits and handle business licenses, zoning laws, and other municipal requirements. Businesses must register with the city government and follow local laws. Contacting the local city government can help verify a business’s legal standing within a specific town or city.
Federal Agencies
Federal agency records are important for verifying regulatory compliance for Idaho businesses, especially in industries such as finance, healthcare, and environmental services. Federal agencies regulate businesses that operate across state lines or in federally regulated industries.
- For example, the U.S. Securities and Exchange Commission (SEC) oversees public companies and financial markets and enforces rules designed to promote transparency and prevent fraudulent activities. Idaho businesses operating in the securities industry, such as investment firms or publicly traded companies, must adhere to SEC regulations.
- The U.S. Department of Labor (DOL) enforces federal labor laws. DOL records can help verify whether businesses are meeting federal employment requirements regarding fair wage standards, labor condition reporting, workplace safety compliance, and protecting workers’ rights.
- The Environmental Protection Agency (EPA) sets standards for air and water quality, hazardous waste management, and other environmental protections. Idaho businesses in industries such as agriculture, manufacturing, and construction must be in compliance with EPA guidelines for environmental safety.
- Additionally, the Internal Revenue Service (IRS) regulates businesses for federal tax compliance and manages the collection of taxes, including income, payroll, and excise taxes.
Commercial Database Providers
In addition to government sources, commercial database providers like Dun & Bradstreet and LexisNexis compile detailed records for Idaho businesses. These records can include company profiles, financial performance data, credit reports, industry classifications, and ownership information. Accessing this information typically requires a subscription or a one-time payment. Users can search and analyze data through the provider’s online tools. Certain sensitive information may also need permission from the business entity involved, and users must adhere to the provider’s terms of service.
What Are Different Entities You Can Register in Idaho?
Entrepreneurs must make important decisions regarding a business structure, often consulting with an attorney and an accountant. This process involves evaluating factors such as tax obligations, personal liability, management structure, continuity, ownership transferability, and the level of operational formality. In Idaho, businesses typically choose from the following recognized legal structures:
- Corporations։ Corporations are the original business structure designed to protect owners from personal liability. While they remain a popular choice for many businesses, corporations may not always be the most suitable option for startups due to the formalities and documentation requirements involved. Corporations can be subject to double taxation unless they qualify as an S Corporation under specific IRS guidelines. Double taxation occurs when income is taxed at the corporate level and again when distributed as dividends to shareholders.
- Limited Liability Companies (LLC)։ An LLC blends features of sole proprietorships, partnerships, and corporations. It offers flexibility in taxation and allows members to elect whether the entity will be disregarded, taxed as a partnership, or taxed as a corporation. Unlike corporations, LLCs have members rather than shareholders, and management responsibilities can be handled by either the members or designated managers. Like corporate shareholders, LLC members are protected from personal liability for the company’s actions. Members do not face personal liability for participating in management. To establish an LLC in Idaho, a Certificate of Organization must be filed with the SOS.
- Limited Liability Partnerships (LLP)։ LLP is an option for partners seeking liability protection. In an LLP, all partners benefit from liability shields, which means that they are not personally liable for the partnership’s obligations or the actions of other partners, provided there is no personal negligence, misconduct, or wrongdoing. LLPs are taxed similarly to general partnerships, which avoid double taxation. This structure is ideal for professionals who want to limit their personal financial risk while retaining the flexibility of a partnership.
- Limited Partnerships (LP)։ Under Idaho law, an LP must include at least one general partner and one or more limited partners. These partners do not have to be identified when filing with the SOS. While the general partner assumes personal liability for the partnership’s obligations, limited partners are typically shielded from personal liability beyond the amount they have invested unless they actively participate in the partnership’s management. This structure allows limited partners to remain relatively passive investors while enjoying protection from any debts.
- General Partnerships։ A general partnership is one of the simplest forms of business organization. When individuals collaborate with the intention of making and sharing profits, they are automatically considered partners under the law, regardless of whether a formal agreement exists. In a general partnership, all partners share unlimited personal liability for the partnership’s debts and obligations. However, general partnerships typically benefit from single taxation, where earnings are only taxed at the individual level. In Idaho, partnerships can formalize their arrangement by filing a statement of partnership authority with the SOS. Additionally, general partnerships can transition into an LLP if greater liability protection is desired.
Useful Additional Information on the Idaho SoS Websites
The Idaho SOS (Secretary of State) website offers a wide range of resources and tools beyond basic business entity searches. These additional features are particularly beneficial for existing businesses and those looking to manage their operations more efficiently:
Trademark, UCC, Notary, and Franchise Authority Search
The Idaho SOS website offers a comprehensive Trademark, UCC (Uniform Commercial Code), Notary, and Franchise Authority Search tool in its Online Business Services (SOSBiz) to provide quick access to key business records.
The Trademark Search helps users confirm the uniqueness of business names, logos, and slogans. Meanwhile, the UCC Search allows individuals to review financing statements, liens, and secured transactions that offer information about a business’s financial standing and credit history.
Using Notary Search to verify the credentials of Idaho’s public notaries helps confirm that notarized documents are valid and trustworthy. Lastly, the Franchise Authority Search provides access to records of registered franchises to assist potential franchisees and investors in confirming compliance with state regulations.
Business Forms
The Business Forms section is designed to assist businesses throughout their lifecycle. This section provides essential forms for various entity types and includes resources and forms for Notary Public filings to help notaries comply with state requirements.
The website encourages online submissions to make the filing process more convenient and cost-effective. Filing forms electronically streamlines the process and eliminates the $20 manual processing fee associated with paper filings.
Registered Agents
The SOS also uploads the most recent list of appointed registered agents for businesses in the state. A registered agent acts as the official point of contact for a business and is responsible for receiving legal documents, tax notifications, and other important correspondence on behalf of the entity. 
Notary Training
The Idaho SOS provides an in-depth Notary Training Course tailored for both new and returning notaries in the state. This program serves as a useful tool for understanding Idaho’s notary laws, procedures, and requirements. The course is divided into seven chapters, each with video study guides that offer step-by-step instructions and practical guidance.
Business Economic Report
The Idaho SOS Business Economic Report provides a comprehensive overview of business activity and economic trends within the state. The report typically includes key statistics on new business registrations, business closures, and overall trends in business filings. 
SOSBiz Frequently Asked Questions
The SOSBiz Frequently Asked Questions section provides a guide for individuals and businesses navigating the online platform. It includes step-by-step instructions for essential business filings, such as registering new entities, renewing filings, updating information, and submitting reports.
Additionally, it features specialized sections for Notary Services, UCC filings, and Liens, with clear guidance on forms, fees, and submission processes for each. For users new to SOSBiz, the FAQ offers tips on creating accounts, resolving login issues, and processing payments. It also connects users to additional resources, including Idaho statutes and administrative rules.
Idaho Business Search FAQ
Below are some frequently asked questions to assist individuals in understanding business entity searches in Idaho:
How Often Is the Database in Idaho Updated?
The Idaho business entity database is updated regularly to maintain accuracy and reflect the latest filings and changes. Typically, updates occur as new information is submitted and processed by the Idaho SOS (Secretary of State).
Is There a Fee for Conducting an Idaho Business Entity Search?
No, conducting a basic business entity search on the Idaho SOS website is free. However, obtaining specific documents or certified copies may involve a fee.
Do I Need an Account To Search for Business Entities in Idaho?
No, a SOSBiz account is not required to search for business entities in Idaho. The search tool is publicly accessible, though creating an account may be necessary for filing documents or accessing additional services.
Can Dissolved Businesses in Idaho Still Be Found?
The Idaho business entity search tool allows users to view records of dissolved businesses. These records typically include the business’s status, history, and any available filings up to the dissolution date.
Are Foreign Entities Operating in Idaho Searchable?
The business entity search tool allows users to find foreign entities registered to do business in Idaho. The tool displays their registration details, including the state or country of origin.
Does Idaho Display Amendments to Business Filings?
The business entity database in Idaho includes information on amendments made to a business’s filings. These updates keep the entity’s public record current and accurate.
What Should I Do if I Can’t Find the Business Name I’m Searching for in Idaho?
If a business name cannot be located in Idaho’s database, users should verify the spelling or try alternative keywords. If the issue remains unresolved, individuals are advised to contact the Idaho SOS office for further assistance.
Does the Business Entity Search Tool Provide a Business’s Filing History in Idaho?
The Idaho business entity search tool provides access to a business’s filing history, including initial registrations, amendments, and annual reports, depending on the available records.